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Yamaha Corporation patents


Recent patent applications related to Yamaha Corporation. Yamaha Corporation is listed as an Agent/Assignee. Note: Yamaha Corporation may have other listings under different names/spellings. We're not affiliated with Yamaha Corporation, we're just tracking patents.

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 new patent  Engine lubrication system, engine, and vehicle

An engine lubrication system including an oil passage allowing inflow of oil in a crank chamber partitioned off in a crankcase of an engine, at least a part of the oil passage being formed by the crankcase, a scavenge pump accommodated in the crankcase and sucking the oil from the oil passage, an oil tank accumulating the oil sucked by the scavenge pump, and a feed pump supplying, to the engine, the oil accumulated in the oil tank.. . ... Yamaha Corporation

 new patent  Vehicle and engine unit

A vehicle includes, an engine including a crankshaft, a crankcase which is configured to accommodate the crankshaft therein, and a centrifugal clutch which is arranged coaxially with the crankshaft, and a propeller shaft to which rotational power output from the engine and changed in speed is transmitted, the propeller shaft passing through the crankcase and intersecting the crankshaft in plan view, at least a part of the propeller shaft being located between the centrifugal clutch and a support wall portion of the crankcase configured to support the crankshaft and above a lower end of the centrifugal clutch.. . ... Yamaha Corporation

Sound output device

A sound output device includes: a speaker unit that has a sound emitting portion; an attaching member by which the speaker unit is attached to an object; a separating member that is provided between the speaker unit and the attaching member to separate the speaker unit from the attaching member; and a sealing member that is provided between the speaker unit and the attaching member to reduce a sound that is emitted from a side of the speaker unit opposite to the sound emitting portion and is transmitted to a sound emitting portion side. The attaching member has a first portion on a side of the sound emitting portion of the speaker unit, and the first portion of the attaching member has an opening that corresponds to the sound emitting portion.. ... Yamaha Corporation

Vessel propulsion apparatus and vessel including the same

A vessel propulsion apparatus includes a cylindrical duct including a stator and a propeller. The propeller includes a rim including a rotor disposed at a position facing the stator and defining an electric motor in combination with the stator, and blades on an inner side in a radial direction of the rim. ... Yamaha Corporation

Vessel propulsion system and vessel including the same

A propulsion system for a vessel includes an engine propulsion unit that provides a propulsive force to a hull by using an engine as a power source, an electric propulsion unit that provides a propulsive force to the hull by using an electric motor as a power source, a storing mechanism that is displaced from an actuating position to actuate the electric propulsion unit to a storing position to store the electric propulsion unit and performs a storing operation to store the electric propulsion unit, and an interlock controller that interlocks a storing operation of the storing mechanism with generation of a propulsive force by the engine propulsion unit.. . ... Yamaha Corporation

Vessel propulsion apparatus and vessel including the same

A vessel propulsion apparatus includes a propulsive force generator including a duct and a propeller. The duct includes a stator. ... Yamaha Corporation

Vehicle reinforcing member and vehicle

A vehicle reinforcing member includes first and second pistons movable in an axial direction in a cylinder. An inside of the cylinder is sectioned into a gas chamber and a main liquid chamber by the first piston, and the main liquid chamber is sectioned into a first sub-liquid chamber and a second sub-liquid chamber by the second piston. ... Yamaha Corporation

Voice interaction method and voice interaction device

A voice interaction method includes acquiring a voice utterance signal representative of an uttered voice, and acquiring a response signal representative of a response voice responsive to a content of the uttered voice identified by voice recognition of the voice utterance signal. The voice interaction method also includes supplying the response signal to a voice player, to have the response voice played by the voice player, and supplying an interjection signal representative of interjection voice to the voice player, to have the interjection voice played by the voice player during a wait period that starts from an end point of the uttered voice and ends at a start of playback of the response voice.. ... Yamaha Corporation

Content playback device, content playback system, and content playback method

A content playback device includes a receiver, an electronic controller and a communication device. The receiver receives a first playback request indicating a first content from a first user terminal and a second playback request indicating a second content from a second user terminal. ... Yamaha Corporation

Content reproduction apparatus, content reproduction system, and content reproduction method

A content reproduction apparatus includes: a receiver that receives first information indicating a first content from a first user terminal capable of providing the first content, and receives second information indicating a second content from a second user terminal capable of providing the second content; a processing circuit including a control unit that creates a shared list including the first and second contents, based on the first and second information; and a transmitter that transmits the shared list to the first user terminal. The receiver receives first evaluation information from the first user terminal, the first evaluation information indicating a first evaluation for at least one content included in the shared list. ... Yamaha Corporation

Sound processing method and sound processing apparatus

A sound processing method includes a step of applying a nonlinear filter to a temporal sequence of spectral envelope of an acoustic signal, wherein the nonlinear filter smooths a fine temporal perturbation of the spectral envelope without smoothing out a large temporal change. A sound processing apparatus includes a smoothing processor configured to apply a nonlinear filter to a temporal sequence of spectral envelope of an acoustic signal, wherein the nonlinear filter smooths a fine temporal perturbation of the spectral envelope without smoothing out a large temporal change.. ... Yamaha Corporation

Signal processing method and signal processing apparatus

A signal processing method includes a first specifying step and a first modifying step. In the first specifying step, a first modification object section for a singing voice of a music is specified based on a temporal change of pitch of singing voice data representing the singing voice or a temporal change of pitch in a score of the music. ... Yamaha Corporation

Tone bar woody material, tone bar percussion instrument, and production method of tone bar woody material

An object of the present invention is to provide a tone bar woody material and a xylophone that are superior in acoustic characteristics and stable in quality. In the tone bar woody material of the present invention, at least a partial region of a surface layer of a wood material was impregnated with a resin composition, and the wood material comprises in the partial region, a plurality of pores each having an average diameter less than 1.2 times an average diameter of vessels in the wood material.. ... Yamaha Corporation

Control terminal device, audio system and audio system control method

A control terminal device includes a display, at least one processor, and a memory configured to store instructions, when executed by the at least one processor, cause the control terminal device to transmit command messages to the plurality of communication devices disposed in respective areas and connected via a network, and to display on the display an operation screen, a device selection screen for selecting any one of the plurality of communication devices, and area images indicating the areas in which the respective communication devices are disposed so as to serve as a selection operation section for selecting the respective communication devices.. . ... Yamaha Corporation

05/03/18 / #20180120178

Magnetostrictive sensor, magnetic structure and production method thereof, motor drive device provided with magnetostrictive sensor, and motorassisted bicycle

A magnetostrictive sensor including a magnetic structure. The magnetic structure has a columnar substrate extending along an axis, and a magnetostrictive portion disposed on an outer peripheral surface of the substrate. ... Yamaha Corporation

05/03/18 / #20180120177

Magnetostrictive sensor, magnetic structure and production method thereof, motor drive device provided with magnetostrictive sensor, and motor assisted bicycle

A magnetostrictive sensor, including a tubular or columnar substrate extending along an axis, and a magnetostrictive portion disposed on an outer peripheral surface of the substrate and including a plurality of magnetostrictive lines. The plurality of magnetostrictive lines include adjacent first and second magnetostrictive lines that extend along an extension direction, and that are disposed on the outer peripheral surface of the substrate via respectively first and second contact areas. ... Yamaha Corporation

05/03/18 / #20180119749

Transmission and vehicle

Incongruity sense of a driver due to dog clunking noise can be reduced with reduction of dog clunking noise. A fifth-speed driving gear (425) and a sixth-speed driving gear (426) are arranged on a driving shaft (41) along an axial direction. ... Yamaha Corporation

05/03/18 / #20180118317

Outboard motor and marine vessel

An outboard motor includes an engine including a plurality of cylinders, a cowling including an internal space, a drive force transmission shaft, and a supercharger driven by the drive force transmission shaft. An upper end of the supercharger is disposed below an upper end of an uppermost one of the plurality of cylinders in the internal space of the cowling.. ... Yamaha Corporation

05/03/18 / #20180117277

Audio signal generation device, audio signal generation method, and computer-readable storage medium

An audio signal generation device (20) includes: an acquirer (210) configured to acquire biological information of a human subject; an audio signal generator (245) configured to generate an audio signal based on at least one of a plurality of pieces of sound information; and a switching cycle decider (241) configured to decide a switching cycle, such that first sound information switches to second sound information at a cycle that is in accordance with the biological information, the first sound information and the second sound information being included in the plurality of sound information pieces, and the audio signal generator (245) generates an audio signal based on the second sound information, at the switching cycle decided by the switching cycle decider (241).. . ... Yamaha Corporation

04/19/18 / #20180109876

Audio device, control terminal, method for audio device, and method for control terminal

An audio device includes: at least one processor, and at least one memory configured to store instructions that, when executed by the at least one processor, causes the audio device to: transmit a first device name relating a group to which the audio device belongs to in a case where the audio device is set as a master device, wherein the master device serves as a content supply source for another device that belongs to the group, and transmit a second device name relating to the audio device in a case where the audio device is not set as the master device.. . ... Yamaha Corporation

04/19/18 / #20180109442

Communication relay apparatus and setting method

A communication relay apparatus includes a plurality of lan ports configured to receive lan cables respectively, at least one switch configured to switch to any one of a plurality of states, and an aggregator configured to specify a combination of two or more of the plurality of lan ports in accordance with a state that is designated in the at least one switch, and conduct redundancy or expansion of a communication bandwidth with respect to a communication performed through the lan cables that are received in the specified lan ports.. . ... Yamaha Corporation

04/19/18 / #20180105249

Outboard motor

An outboard motor includes an engine, a supercharger that compresses air to be supplied to an air intake of the engine, and a cooler that cools the air compressed by the supercharger. The compressed air is cooled by spraying water obtained by condensing water vapor produced by combustion in the engine to the cooler.. ... Yamaha Corporation

04/12/18 / #20180102119

Automated musical performance system and method

A performance system to allow a performer of an actual performance to more appropriately ascertain the progress of an automatic performance by a performance device. The performance system comprises a performance controller that causes a performance device to carry out an automatic performance of a musical piece, and a notification controller that causes a notification device to carry out an operation to visually notify a performer of an actual performance of a musical piece of the progress of the automatic performance.. ... Yamaha Corporation

04/12/18 / #20180100431

Outboard motor unit and marine vessel

An outboard motor unit includes a first outboard motor including a supercharger that is located inside a first cowling and supplies compressed air to a first engine, a second outboard motor including a second cowling and a second engine housed in the second cowling, and an air passage through which the air compressed by the supercharger of the first outboard motor is supplied to the second engine of the second outboard motor.. . ... Yamaha Corporation

04/05/18 / #20180098468

Component mounting device and component mounting determination method for component mounting device

A component mounting device includes a mounting head that mounts a component at a mounting position on a substrate, an imaging unit capable of imaging the mounting position from a plurality of fields of view, imaging directions of which are different from each other, and a controller that selects a success or failure determination field of view used for success or failure determination of whether or not the component has been mounted at the mounting position from the plurality of fields of view according to a state of a shield around the mounting position.. . ... Yamaha Corporation

04/05/18 / #20180098164

Reproduction system, terminal device, method thereof, and non-transitory storage medium, for providing information

An audio processing device has an information extractor that extracts identification information from a first audio signal in a first frequency band that includes an audio component of a sound for reproduction and an audio component including the identification information of the sound for reproduction and a signal processor that generates a second audio signal that includes the identification information extracted by the information extractor and that is in a second frequency band higher than the first frequency band, with a sound represented by the second audio signal being emitted from a sound emission device.. . ... Yamaha Corporation

04/05/18 / #20180098112

Control terminal, system, and method of controlling system

A system including a control terminal, and a method of controlling a plurality of devices, including a first device and a second device that is different from the first device. The method of controlling the system includes receiving a group setting for the first device, which has a main channel and a sub channel, and setting the main channel and the sub channel as respective separate groups.. ... Yamaha Corporation

04/05/18 / #20180097654

Control terminal and method of controlling device

A control terminal and a method of controlling thereof, include receiving and group setting tasks or steps. The receiving task/step receives a selection of a first device, from among a plurality of devices, and a group setting operation for the first device. ... Yamaha Corporation

04/05/18 / #20180095716

Control device, control method, and storage medium storing a program

A control device includes a control circuit or a processor, that performs various tasks/steps, including displaying, in a gui, an image of an operation element operable by a user to input a user instruction, and receiving a device assigned to the operation element, a parameter, including an on or off state or a level of the device assigned to the operation element, and a setting value of the parameter corresponding to an operation state of the operation element. A setting command is transmitted to the device assigned to the operation element when the operation element is operated to be in a predetermined operation state. ... Yamaha Corporation

04/05/18 / #20180094689

Shock absorber, vehicle, and snowmobile

A shock absorber includes a cylinder and a piston. The piston is configured to partition an internal space of the cylinder into two oil chambers and is capable of sliding in an axial direction of the cylinder. ... Yamaha Corporation

03/29/18 / #20180091106

Audio system, audio device, control terminal device, control method, and parameter control device

An audio system includes a first audio device and a second audio device. The first audio device receives an operation of increasing or reducing a parameter value, controls a first parameter using control amount according to operation amount, calculates a ratio of change in the control amount relative to a whole parameter adjustment range, and transmits the ratio of change to the second audio device. ... Yamaha Corporation

03/29/18 / #20180088898

Content reproduction device, content reproduction system, and control method for a content reproduction device

A control method for a content reproduction device includes: receiving, from a second content reproduction device connected through a network, acquisition source information on content included in a playlist of the second content reproduction device; and determining whether or not reproduction of the content is possible.. . ... Yamaha Corporation

03/29/18 / #20180088757

Information processing device and information processing method

An information processing device, which can be a smartphone, and method can obtain input information and display switching information for switching to a screen of a program based on the obtained input information.. . ... Yamaha Corporation

03/29/18 / #20180087462

Control device

A control device for a rotating element rotated by a four-stroke engine has a high degree of freedom in the choice of an apparatus to which the control device is applicable. The control device includes a rotation speed acquisition unit configured to obtain a rotation speed of the rotating element rotated by the four-stroke engine, and an undulation detection unit configured to, based on the rotation speed obtained by the rotation speed acquisition unit, detect a periodic undulation contained in a rotation fluctuation of the four-stroke engine, the periodic undulation having an angular period longer than a crank angle corresponding to four strokes.. ... Yamaha Corporation

03/29/18 / #20180087438

Outboard motor unit and marine vessel

An outboard motor unit includes an outboard motor including a cowling and an engine housed in the cowling and that is mounted on a vessel body, a supercharger that compresses air, and a compressed air cooler that is installed outside the cowling of the outboard motor and cools air compressed by the supercharger.. . ... Yamaha Corporation

03/29/18 / #20180085051

Device control apparatus and device control method

A device control apparatus includes: a receiving unit that receives an output signal of a pressure sensor installed in bedding; a determining unit that determines control information corresponding to the output signal from a plurality of sets of control information for device control; and a device control unit that controls a control target device using the control information corresponding to the output signal.. . ... Yamaha Corporation

03/22/18 / #20180084361

Audio system, audio device, and audio device setting method

Provided is an audio system, including: at least two audio devices capable of holding communication among one another; and a stereo pair setting unit configured to set a stereo pair in which one of two audio devices included among the at least two audio devices serves as a parent device, and another of the two audio devices serves as a child device, in which: the parent device is configured to play, with a delay, a first-channel audio signal included in a first audio signal, and to transmit to the child device a second audio signal including at least a second-channel audio signal, which is included in the first audio signal; and the child device is configured to receive the second audio signal from the parent device to play the second-channel audio signal.. . ... Yamaha Corporation

03/22/18 / #20180083796

Connection method for communication device, communication device, and control terminal device

A communication device includes a wireless communication portion and a control portion. The control portion is configured to: activate the wireless communication portion as a stand-alone access point, acquire network information from a device which has established connection to the access point, the network information being information for establishing connection to the network, stop the access point and connect the wireless communication portion to the network using the network information, and after the wireless communication portion is connected to the network, allow the wireless communication portion to function as an access point for relaying another device to the network.. ... Yamaha Corporation

03/22/18 / #20180082697

Information providing system, information providing method, and computer-readable recording medium

An information providing system (1) has a sound receiver (22) that receives a guidance voice and generates a sound signal (sg); a text identifier (114) that identifies, from among registered texts representing contents of utterances of different guidance voices, a registered text that is similar to an uttered text (l) that represents a content of an utterance of one of the guidance voices (v), the uttered text having been obtained by analyzing the sound signal (sg) by use of speech recognition, and a sound outputter (26) that transmits distribution information (d) that indicates the registered text identified by the text identifier (114) to a terminal device capable of presenting to a user (u) guidance information (g) corresponding to the distribution information (d) from among pieces of guidance information (g) that correspond to the respective guidance voices.. . ... Yamaha Corporation

03/22/18 / #20180081620

Information processing device, reproducing device, and information processing method

An information processing device is provided with an information obtaining unit and a reproduction information transmitting unit. The information obtaining unit obtains first management information of content from a first reproducing device. ... Yamaha Corporation

03/22/18 / #20180079453

Side-by-side all terrain vehicle including front cover

An rov (recreational off-highway vehicle) includes a plurality of seats located next to each other in a vehicle width direction, a left shock absorber, a right shock absorber, and a front cover. An opening is provided in the front cover. ... Yamaha Corporation

03/22/18 / #20180079275

Hydraulic shock absorbing apparatus for vehicle

A hydraulic shock absorbing apparatus for a vehicle includes left and right front wheels, left and right arms, and hydraulic shock absorbers provided between a vehicle body and the left and right arms. A first end portion of each hydraulic shock absorber includes a cylinder main body partitioned into a first oil chamber and a second oil chamber by a piston. ... Yamaha Corporation

03/15/18 / #20180077494

Communication system, communication device, and communication device management method

A communication system includes a control terminal device and one or more communication devices. The control terminal device transmits a search message to entire network when the communication device is registered into the communication system. ... Yamaha Corporation

03/15/18 / #20180074784

Parameter control device, parameter control program, and parameter control method

A parameter control device includes a processing unit, a display that displays an operated portion, and a memory. The processing unit detects an operation on the operated portion, updates a display position of the operated portion according to the operation on the operated portion, and updates a value of a parameter according to the operation on the operated portion. ... Yamaha Corporation

03/15/18 / #20180074689

Parameter control device, parameter control program, and parameter control method

A parameter control device includes a parameter updating unit, and an operational screen displaying unit. In a case where any one of the individually operated portions is operated, the parameter updating unit changes the parameter of the controlled device, which is associated with the relevant individually operated portion, by following an operation amount of the individually operated portion. ... Yamaha Corporation

03/15/18 / #20180072377

Electrically power assisted bicycle

An electrically power assisted bicycle includes an electric motor that generates an assist force assisting human power of a rider, a detachable battery that supplies electric power to the electric motor, a headlight, and an operation panel including a display that displays information, a power button that turns on or off the electrically power assisted bicycle, an illuminance sensor that outputs a signal in accordance with received light, and a controller configured or programmed to control the headlight to be on or off. The power button and the illuminance sensor are located close to each other on or in the operation panel. ... Yamaha Corporation

03/15/18 / #20180072374

Electrically power assisted bicycle

An electrically power assisted bicycle includes an electric motor, a detachable battery that supplies electric power to at least the electric motor, and an operation panel including a controller configured or programmed to control the display in a time display area and a built-in battery that supplies electric power to the controller. When the detachable battery is attached to the electrically power assisted bicycle and the electrically power assisted bicycle is in a power-on state, the controller is supplied with the electric power from the detachable battery. ... Yamaha Corporation

03/15/18 / #20180072373

Electrically power assisted bicycle

An electrically power assisted bicycle includes a driving system including an electric motor that generates an assist force to assist human power of a rider and a first controller configured or programmed to control an operation of the electric motor; and an operation panel including buttons and a second controller. The buttons include a power button that turns on or off a power of the driving system, and an assist force setting button that sets an assist force of the electric motor. ... Yamaha Corporation

03/15/18 / #20180072126

Vehicle damping system and vehicle

An oil channel that connects, a right damper and a left damper includes a switching valve arranged between a right oil channel er and a left oil channel el. The switching valve includes a valve main body in which a first switching channel is formed for connecting the right oil channel er and the left oil channel el. ... Yamaha Corporation

03/08/18 / #20180070487

Component mounting device and component mounting method

A component mounting device includes a mounting head that mounts a component at a mounting position on a substrate, an imaging section capable of imaging the mounting position on the substrate, and a controller that determines a mounting state by comparing images of the mounting position before and after mounting of the component captured by the imaging section. The controller is configured to determine the mounting state by comparing the images before and after mounting of the component during operation from completion of mounting of the component to completion of mounting of a subsequent component.. ... Yamaha Corporation

03/08/18 / #20180070392

Connection method of communication device and the communication device

A connection method of a communication device in a communication system is provided. The communication system includes a plurality of communication devices each having a wireless lan (local area network) access point function and a wireless lan child device function and is constructed by connecting a lower-level communication device to an access point of a higher-level communication device. ... Yamaha Corporation

03/08/18 / #20180069957

Parameter control device, parameter control program, and parameter control method

A control device includes: a display, at least one processor, and a memory configured to store a parameter and instructions that, when executed by the at least one processor, causes the control device to: determine whether a parameter of a controllable device can be changed, when the parameter of the controllable device is possible to change, display a first screen for manipulating the parameter of the controllable device on the display and update the parameter of the controllable device by user's manipulation, and when the parameter of the controllable device is not possible to change, display the second screen on the display and lock the parameter of the controllable device.. . ... Yamaha Corporation

03/08/18 / #20180065464

Off-highway vehicle

An off-highway vehicle is provided with a frame, a plurality of wheels, a seat, a drive source and a drivetrain. The frame has a longitudinal center plane dividing the frame into first and second lateral sides. ... Yamaha Corporation

03/01/18 / #20180063633

Speaker system

A speaker system includes: a speaker unit; a phase-inversion enclosure in which the speaker unit is installed; a bass reflex port that is installed in the phase-inversion enclosure, the bass reflex port having a tubular shape and having an opening, the bass reflex port extending in a first axial direction which is a direction from the opening towards an inside of the bass reflex port, at least a portion of a cross-section of the bass reflex port perpendicular to the first axial direction becoming gradually smaller as going in the first axial direction, and a length of the cross-section in a second axial direction parallel to the cross-section being constant along the first axial direction; and a first flow-regulating plate that is provided near the opening, the first flow-regulating plate having a shape adapted to a flow rate of airflow discharged from the opening or drawn into the opening.. . ... Yamaha Corporation

03/01/18 / #20180058400

Vessel

A vessel includes a vessel body, an engine contained in the vessel body, an air intake box including an air intake port and that is attached to the engine, an air intake duct drawn around in the vessel body, and a guide duct including an opening that opposes the air intake port. The air intake box supplies air taken in from the air intake port to the engine. ... Yamaha Corporation

02/22/18 / #20180051619

Outboard motor

An outboard motor includes an engine, an engine cover with which the engine is covered, an intake pipe disposed between an outer surface of the engine and an inner surface of the engine cover, and a battery. The engine includes a piston that reciprocates rectilinearly and a crankshaft that rotates around a crankshaft axis extending in an up-down direction. ... Yamaha Corporation

02/22/18 / #20180050772

Small craft and small craft trailing system

A small craft includes a craft body, a propulsion device configured to propel the craft body, a position acquisition portion configured to acquire positional information about a trailer on which the craft body is loadable, and a controller configured to control the propulsion device on the basis of the positional information about the trailer acquired by the position acquisition portion during an operation for releasing the craft body from the trailer and/or an operation for attaching the craft body to the trailer.. . ... Yamaha Corporation

02/22/18 / #20180050688

Vehicle and control method thereof

A vehicle includes a differential gear that transmits rotation of a propeller shaft to an axle. A differential lock switches the differential gear between a locked state and an unlocked state. ... Yamaha Corporation

02/15/18 / #20180049353

Setup supporting device, component mounter, setup supporting method

When an operator performs a tape inserting operation of inserting a tape into an insertion port for a tape feeder, the tape feeder detects the tape inserted into the insertion port. Further, it is confirmed based on operation object information indicating the tape feeder serving as an object of the tape inserting operation that the tape feeder having detected the tape is the object of the tape inserting operation. ... Yamaha Corporation

02/08/18 / #20180042152

Feeder for an electronic component

A feeder and a feeder control method, as well as an electronic component device, reliably engaging a supply tape in a loading operation even if there is an accumulated pitch error between sprocket holes. Third, second and first sprockets are arranged successively from an insertion port. ... Yamaha Corporation

02/08/18 / #20180037309

Vessel propulsion device

A vessel propulsion device transmits a drive force of an engine to a propulsive force generator. The vessel propulsion device includes a generator that is driven by the engine, a power shutoff detector that detects a power shutoff state in which the drive force of the engine is not transmitted to the propulsive force generator, and a controller configured or programmed to, when the power shutoff detector detects the power shutoff state, select one of a plurality of charging modes to charge a battery connected to the generator and control a target speed of the engine based on a selected one of the charging modes.. ... Yamaha Corporation

02/01/18 / #20180034338

Brushless motor and electric bicycle provided with the same

A brushless motor includes a stator including teeth each including a constricted portion on which a coil is to be wound, and a tip end portion including a confronting surface that faces a rotor and having a width greater than that of the constricted portion. A spacer includes closure members disposed between adjacent ones of the tip end portions, and fitted to the teeth so that the confronting surfaces of the teeth are exposed toward the rotor.. ... Yamaha Corporation

02/01/18 / #20180033414

Woody material for wind instrument, wind instrument, and production method of woody material for wind instrument

An object of the present invention is to provide a woody material for a wind instrument superior in resistance to a moisture change. The woody material for a wind instrument comprises: a plurality of veneers being laminated; and at least one buffer layer comprising a fibrous sheet constituted from a nonwoven fabric or a woven fabric, and an adhesive with which the fibrous sheet is impregnated, the buffer layer being interposed between adjacent two of the plurality of veneers.. ... Yamaha Corporation

02/01/18 / #20180033407

Sound producing apparatus, keyboard instrument, and sound production control method

A sound producing apparatus includes: a plurality of sound producing members with differing oscillation frequencies; dampers each corresponding to a respective sound producing member and suppressing vibration by contacting the corresponding sound producing members; a damper operation mechanism that moves each damper, thereby controlling a state of contact of the damper with a corresponding sound producing members; a soundboard that undergoes sympathetic resonance with sound producing members; a vibrator that vibrates the soundboard; an acquisition unit configured to acquire an audio signal; a signal output unit configured to: generate a drive signal for driving the vibrator with a vibration corresponding to the acquired audio signal; and output the drive signal to the vibrator; and a damper control unit configured to drive the damper operation mechanism to change a state of contact between the sound producing members and their corresponding dampers, based on frequency distribution of acquired audio signal.. . ... Yamaha Corporation

02/01/18 / #20180029683

Watercraft and exhaust structure of the watercraft

An exhaust system for a watercraft with an engine includes an upstream exhaust pipe including an end portion with an outlet, a water lock including an inner space accommodating the end portion, a downstream exhaust pipe connected to the water lock, and a flow direction diverter, such as a baffle. The upstream exhaust pipe guides exhaust gas from the engine to the end portion. ... Yamaha Corporation

02/01/18 / #20180029672

Watercraft

A watercraft is provided with a watercraft body and a storage container. The watercraft body includes a hull and a deck. ... Yamaha Corporation

01/25/18 / #20180027328

Content delivery apparatus, content delivery system and content delivery method

A content delivery apparatus includes an external input portion, a content reception portion and a delivery portion. To the external input portion, first content having at least a fundamental component is inputted. ... Yamaha Corporation

01/25/18 / #20180023688

Vehicle and control method thereof

A controller causes a clutch to transition from a half-engaged state to an engaged state when a difference in rotational velocity between input and output sides of the clutch falls within a predetermined range in the half-engaged state of the clutch. The controller executes a moving start control to increase an output rotational velocity of a prime mover and cause the clutch to transition to the engaged state when a predetermined first condition is satisfied in the half-engaged state of the clutch.. ... Yamaha Corporation

01/18/18 / #20180020497

Communication system, communication device, and method for reconnecting communication system

A communication system includes a plurality of communication devices constituting a network. Each of the communication devices includes a first wireless communication circuit and a second wireless communication circuit. ... Yamaha Corporation

01/18/18 / #20180020395

Communication system, control terminal, and method for managing communication system

A communication system includes one or more first communication devices mutually communicating via a network, and a first control terminal that controls the one or more first communication devices via the network. First system identification information indicating that the one or more first communication devices belong to a first communication system is attached to the one or more first communication devices. ... Yamaha Corporation

01/18/18 / #20180019885

Device control method, information storage medium, control apparatus, and device control system

A device control method includes: identifying a device contained in device information on a device that was in a controllable mode before, the device being controlled via a network and being allowed to be in the controllable mode and a restriction mode, the controllable mode being a mode in which the device can be controlled by a first type of communication via the network, and the restriction mode being a mode in which a type of communication that can be performed by the device is restricted to a second type of communication to thereby prohibit control of the device by the first type of communication; and switching, by sending by the second type of communication predetermined data that is based on the device information to the identified device, the identified device from the restriction mode to the controllable mode.. . ... Yamaha Corporation

01/18/18 / #20180018957

Sound control device, sound control method, and sound control program

A sound control device includes: a detection unit that detects a first operation on an operator and a second operation on the operator, the second operation being performed after the first operation; and a control unit that causes output of a second sound to be started, in response to the second operation being detected. The control unit causes output of a first sound to be started before causing the output of the second sound to be started, in response to the first operation being detected.. ... Yamaha Corporation

01/18/18 / #20180016953

Oil level gauge guide of engine

An oil level gauge guide includes a cylindrical portion, a first pipe, and a second pipe. The cylindrical portion is provided on a crank case wall which defines a crank chamber including an oil reservoir of an engine, and includes a through hole which communicates the interior and exterior of the crank chamber with each other. ... Yamaha Corporation

01/18/18 / #20180015986

Saddle riding vehicle

A straddled vehicle includes a straddled vehicle body, a front wheel that supports the vehicle body, a rear wheel that supports the vehicle body, a front wheel electric motor that imparts a driving force to the front wheel, a rear wheel electric motor that imparts a driving force to the rear wheel, a front wheel motor drive unit that drives the front wheel electric motor, a rear wheel motor drive unit that drives the rear wheel electric motor, and a control unit. The control unit is programmed to provide a front wheel drive command to the front wheel motor drive unit and to provide a rear wheel drive command, differing from the front wheel drive command, to the rear wheel motor drive unit so as to provide a time difference in changes of the driving forces of the front wheel electric motor and the rear wheel electric motor.. ... Yamaha Corporation

01/11/18 / #20180012574

Support assembly and keyboard apparatus

A support assembly includes a support rotatable with respect to a frame, a repetition lever rotatable with respect to the support, and a first extension portion disposed to the repetition lever on a jack side with respect to the center of rotation of the repetition lever, the first extension portion being in contact with a stopper from below the stopper.. . ... Yamaha Corporation

01/11/18 / #20180012573

Support assembly and keyboard apparatus

A support assembly includes a support rotatable along a first surface with respect to a support rail, a repetition lever rotatable on the support, and a jack rotatable on the support and disposed to at least partially overlaps the repetition lever. The repetition lever includes a first contact portion which makes contact with a regulating portion which regulates rotation, the jack includes a second contact portion which makes contact with the regulating portion which regulates rotation, and the repetition lever and the jack are provided so that the first contact portion and the second contact portion overlap each other.. ... Yamaha Corporation

01/11/18 / #20180012572

Support assembly and keyboard apparatus

A support assembly in one embodiment of the present invention includes a support rotatable along a first surface with respect to a frame; a repetition lever rotatable with respect to the support; and an extension portion coupled to the repetition lever, the extension portion being slidable contact with a first guide portion, the first guide portion moving along the first surface.. . ... Yamaha Corporation

01/11/18 / #20180011684

Audio apparatus

An audio apparatus includes: a receiver which receives audio data transmitted by a broadcast method from an external apparatus; a sound emitter which performs sound emission of the audio data received by the receiver; a generator which generates sound emission control information relating to sound emission of other apparatus which can receive the audio data; and a transmitter which transmits the sound emission control information generated by the generator to the other apparatus.. . ... Yamaha Corporation

01/11/18 / #20180009503

Electric power-assisted bicycle and drive system therefor

An electric power-assisted bicycle, comprising: a torque sensor for detecting pedaling force applied to the pedal; an inclination angle sensor for detecting rocking of the bicycle body in a lateral direction; an electric motor that assists drive of a drive wheel driven by pedaling of the rider; and a controller that controls the electric motor based on the pedaling force. The controller has a first mode and a second mode as control modes of the electric motor. ... Yamaha Corporation

01/04/18 / #20180007186

Sound emission and collection device, and sound emission and collection method

A sound emission and collection device includes a speaker, a filter processing a sound emission signal, microphones, echo cancellers cancelling regression sound signals of the sound emitted by the speaker from the sound collection signals of the corresponding microphones, a first integration section integrating adaptive filter coefficients taken out from the plurality of echo cancellers, a reverberation time estimation section estimating the reverberation time for each frequency band in the space in which the speaker and the plurality of microphones are present on the basis of the integrated adaptive filter coefficient, and an arithmetic operation section specifying a frequency band having a long reverberation time from the sound emission signal based on the estimated reverberation time, calculating a filter coefficient for suppressing power of the specified frequency band, and setting the filter coefficient to the filter.. . ... Yamaha Corporation

01/04/18 / #20180005617

Sound control device, sound control method, and sound control program

A sound control device includes: a reception unit that receives a start instruction indicating a start of output of a sound; a reading unit that reads a control parameter that determines an output mode of the sound, in response to the start instruction being received; and a control unit that causes the sound to be output in a mode according to the read control parameter.. . ... Yamaha Corporation

01/04/18 / #20180004209

Marine vessel

A marine vessel includes a distance detector that measures a distance to an object, a speed detector that detects a vessel speed, and a controller that executes on-shore/off-shore assistance control to control a propulsion unit to generate a thrust that moves a vessel body in a direction opposite to a direction toward the object based on the distance to the object measured by the distance detector and the vessel speed detected by the speed detector.. . ... Yamaha Corporation

01/04/18 / #20180003127

Engine and method of manufacturing cylinder block of engine

An engine includes a cylinder block including a cylinder hole, a crank shaft as an offset crank, and a connecting rod that connects the piston and the crank shaft. An inclined surface is provided on an entire circumference of a crank-shaft-side opening edge of one end of the cylinder hole. ... Yamaha Corporation

01/04/18 / #20180001983

Outboard motor

An outboard motor includes an outboard motor body, a mount mounted on a boat body, and a support member that supports the outboard motor body so as to be steerable with respect to the mount. The support member includes an upper support that surrounds a drive shaft and supports the outboard motor body, a lower support that is spaced below the upper support, surrounds the drive shaft, and supports the outboard motor body, and a coupler that couples the upper support to the lower support.. ... Yamaha Corporation

01/04/18 / #20180001964

Jet boat

A jet boat includes a cockpit arranged in a central portion of the jet boat on a boat body centerline, a bulwark provided along a circumference of a deck, and a platform fixed to a stern. In the bulwark, the upper surface of a rear bulwark between the platform and the cockpit is located above the upper surface of a foot space and below the seating surface of a seat.. ... Yamaha Corporation

12/28/17 / #20170374337

Content reproducing apparatus and content reproducing method

A memory portion stores automated reproducing setting data that associates content input sources with necessariness/unnecessariness of automated reproduction of content. A control portion, when an operation-display portion or a remote control reception portion accepts selection of a content input source, judges whether or not automated reproduction is necessary on content that is inputted from the currently selected input source, based on the automated reproducing setting data. ... Yamaha Corporation

12/28/17 / #20170372711

Multifunctional audio signal generation apparatus

A sample counter in each channel performs counting operation at a given rate. Independently for each channel, the rate and an initial value for the counter are set, and start and stop of the counting operation of the counter are controlled, so that a partial portion of an original waveform corresponding to a count range from the set initial value to a count stop point is reproduced in the channel. ... Yamaha Corporation

12/28/17 / #20170370098

Acoustic structure

An acoustic structure includes: at least one hollow section defined by a pair of opposed transparent or translucent wall members and a plurality of connecting wall members interconnecting the pair of wall members, and at least one opening portion communicating an interior space inside the hollow section to an exterior space. At least some of the connecting wall members may have colorless or colored transparency or translucence. ... Yamaha Corporation

12/28/17 / #20170368299

Sound source control device and sound source control method

For the purpose of improving sleep satisfaction for different human subjects individually, a sound source control device (20) includes: an acquirer (202) configured to acquire a biorhythm of a human subject; an estimator (204) configured to estimate sleep depths of the human subject from the acquired biorhythm of the human subject; a controller (230) configured to control a sound source (240) to play a sound in accordance with the acquired biorhythm of the human subject, the sound being defined using a prescribed parameter set; and an evaluator (220) configured to evaluate a sleep state of the human subject based on the estimated sleep depths of the human subject, and based on the evaluation, instruct the controller (230) to change at least a part of contents of the parameter set.. . ... Yamaha Corporation

12/21/17 / #20170366365

Communication system, communication device, and management method for communication system

A communication system includes communication devices configured to be connected to one another through a network. A root device which is one of the communication devices stores system information including address information and information on availability of communication of the communication devices. ... Yamaha Corporation

12/21/17 / #20170361913

Jet propelled watercraft and jet propulsion assembly

A jet propelled watercraft includes a first exhaust pipe connected to an exhaust port, a catalyst storage connected to the first exhaust pipe, a second exhaust pipe connected to the catalyst storage, and a water lock connected to the second exhaust pipe. The catalyst storage and the water lock are located outward in a width direction with respect to the exhaust port of the engine in a plan view of the jet propelled watercraft.. ... Yamaha Corporation

12/21/17 / #20170361910

Jet propelled watercraft and jet propulsion assembly

A jet propelled watercraft includes a watercraft body, an engine housed in the watercraft body, a jet propulsion unit that suctions and jets water with a drive force of the engine, a first exhaust pipe connected to an exhaust port of the engine, and a catalyst storage connected to the first exhaust pipe, wherein the first exhaust pipe and the catalyst storage are integral and unitary with each other.. . ... Yamaha Corporation

12/14/17 / #20170356508

Drive unit and electric-motor-assisted bicycle

In a drive unit attached to a vehicle-body frame of an electric-motor-assisted bicycle including a one-way clutch including an outer member, an inner member, a plurality of clutch lugs, a plurality of springs, and a plurality of pins. Clutch teeth are located on one of an inner peripheral portion of the outer member and an outer peripheral portion of the inner member. ... Yamaha Corporation

12/14/17 / #20170356316

Gas-liquid separation device for blow-by gas in engine

A gas-liquid separation device includes a gas-liquid separation chamber in a head cover that defines a valve gear chamber, a partition wall that changes a direction of blow-by gas that flows in the gas-liquid separation chamber, and a blow-by gas suction passage extending from the gas-liquid separation chamber to an intake-side valve gear chamber. The upstream end of the blow-by gas suction passage defines an opening in a vicinity of a bottom wall of the valve gear chamber (intake-side valve gear chamber). ... Yamaha Corporation

12/14/17 / #20170355432

Outboard motor and outboard motor movement mechanism

An outboard motor includes an outboard motor body, a first support mounted on a boat body, a second support that rotatably supports the outboard motor body, a linkage that couples the first support and the second support to each other such that the second support is movable in a vertical direction and rotatable with respect to the first support, a first drive that rotates the second support coupled to the first support through the linkage with respect to the first support while moving the second support in the vertical direction with respect to the first support, and a second drive that rotates the outboard motor body with respect to the second support.. . ... Yamaha Corporation

12/07/17 / #20170354071

Electronic component supply apparatus, reel apparatus, tape processing apparatus, and method for resupplying component stored tape

An electronic component supply apparatus (1) includes a reel apparatus (2) and a tape processing apparatus (3). The reel apparatus (2) has a tape reel (8) with a component stored tape (100) wound thereon, the component stored tape (100) having electronic components (105) stored therein. ... Yamaha Corporation

12/07/17 / #20170353937

Audio device, audio system, and synchronous reproduction method

An audio device includes a signal input interface, a first output interface, a second output interface, at least one processing circuit configured as a buffer control portion, at least one memory configured to store an audio signal. The buffer control portion sets a second reading position at a position that precedes a first reading position of the first output interface by delay time, and, when starting output of the audio signal, writes silent data for the delay time in the memory and sets the first reading position at the head of the silent data.. ... Yamaha Corporation

12/07/17 / #20170353169

Signal processing apparatus and signal processing method

A signal processing apparatus includes: an obtaining portion configured to obtain an impulse response in a semi-open state in which, among a plurality of acoustic feedback systems, at least one acoustic feedback system is open and at least one acoustic feedback system is closed; and a calculating portion configured to calculate a gain correction amount based on the impulse response that the obtaining portion has obtained and to output a calculated gain correction amount.. . ... Yamaha Corporation

12/07/17 / #20170352340

Reference display device, reference display method, and program

Provided are a display device and a program which allow a user to intuitively recognize a connection and a breathing timing between respective notes. A cpu (11) generates a guide image, based on information about a sound-producing timing and a sound length of each note, which are included in a guide melody track. ... Yamaha Corporation

12/07/17 / #20170352269

Information provision device, terminal device, information provision system, and information provision method

An information provision device transmits, by near field communication, fixed phrase information, of guidance information that guides a user, representative of a fixed phrase and insertion phrase information selected from among a plurality of pieces of insertion phrase information representative of different insertion phrases to be inserted in the fixed phrase, to a terminal device capable of presenting, to the user, presentation information corresponding to the guidance information where the insertion phrase represented by the insertion phrase information is inserted in the fixed phrase represented by the fixed phrase information.. . ... Yamaha Corporation

12/07/17 / #20170350284

Valve gear for engine

A valve gear includes a camshaft, a first cam and a second cam that drive an intake valve or an exhaust valve, and a synchronous cam that rotates in synchronism with the first and second cams. The valve gear includes a rocker shaft, a rocker arm, and a cam follower swingably supported by the rocker shaft and that comes into contact with the synchronous cam. ... Yamaha Corporation

12/07/17 / #20170349256

Vessel propulsion apparatus

A vessel propulsion apparatus includes an engine, an electric motor located farther forward than a propeller, a propeller shaft, a first transmission that defines a first transmission path extending from the engine to the propeller shaft to transmit power of the engine to the propeller shaft along the first transmission path, and a second transmission that defines a second transmission path, different from the first transmission path, extending from the electric motor to the propeller shaft to transmit power of the electric motor to the propeller shaft along the second transmission path.. . ... Yamaha Corporation

12/07/17 / #20170349233

Vehicle with structure for improved engine output

A vehicle, such as a straddle-type vehicle, can include an engine, a catalyst and an air cleaner. The catalyst can be disposed in an expansion chamber of the vehicle. ... Yamaha Corporation

11/30/17 / #20170346081

Positive electrode active material for a non-aqueous electrolyte secondary battery and manufacturing method thereof, positive electrode, battery, battery pack, and vehicle

In a secondary battery including a non-aqueous electrolyte and a positive electrode, the improvement disclosed is a positive electrode composed of a material that a positive electrode active material and is composed of lix, where x represents a halogen atom; and fe2o3. A method of manufacturing the positive electrode active material includes mixing first particles and second particles to provide a mixture, wherein the first particles comprise lix, where x represents a halogen atom, and the second particles comprise fe2o3. ... Yamaha Corporation

11/30/17 / #20170345409

Sound effect producing apparatus, method of producing sound effect and program therefor

A sound effect producing apparatus includes an input portion, a memory portion, a pseudo sound reflection producing portion, and an effect provision portion. The input portion performs inputting of an audio signal. ... Yamaha Corporation

11/30/17 / #20170341650

Drive torque control device, drive source unit and vehicle

A drive torque control device of a vehicle that includes a drive source for generating a drive source torque, a brake mechanism for generating a braking toque, and a drive wheel for driving the vehicle. The drive torque control device includes a target drive wheel torque calculator configured to calculate a target drive wheel torque, a drive source torque control unit configured to estimate a drive source torque limit value, calculate a target drive source torque based on the target drive wheel torque and the drive source torque limit value, and control the generation of the drive source torque by the drive source based on the target drive source torque, and a braking torque control unit configured to calculate a target braking torque based on the target drive wheel torque and the target drive source torque, and control the generation of the braking torque by the brake mechanism based on the target braking torque.. ... Yamaha Corporation

11/23/17 / #20170337910

Automatic performance system, automatic performance method, and sign action learning method

An automatic performance system includes a sign detector configured to detect a sign action of a performer performing a musical piece, a performance analyzer configured to sequentially estimates a performance position in the musical piece by analyzing an acoustic signal representing performed sound in parallel with the performance, and a performance controller configured to control an automatic performance device to carry out an automatic performance of the musical piece so that the automatic performance is synchronized with the sign action detected by the sign detector and a progress of the performance position estimated by the performance analyzer.. . ... Yamaha Corporation

11/23/17 / #20170334488

Straddle-type vehicle

A straddle-type vehicle includes a vehicle body frame; a power unit supported by the vehicle body frame; a seat mounted at a position higher than the power unit; a handle bar mounted at a position more forward than the seat; a pair of front wheels spaced apart from each other in a vehicle width direction; a pair of suspensions spaced apart from each other in the vehicle width direction and connecting the pair of front wheels to the vehicle frame; and a vehicle body vibration control damper including end portions connected to a first attachment portion and a second attachment portion, respectively, mounted on the vehicle body frame so as to be spaced apart from each other in a vehicle front-back direction, and mounted so as to extend in the vehicle front-back direction with at least a portion thereof located between the pair of suspensions.. . ... Yamaha Corporation

11/23/17 / #20170334286

Fuel tank

A fuel tank includes a tank main body and a fuel filler neck. A breather hole is provided in an inner surface of the fuel filler neck. ... Yamaha Corporation

11/23/17 / #20170334285

Four-wheel vehicle

A four-wheel vehicle includes an engine at least a portion of which is located farther forward than a seat, a fuel tank located above the engine and forwardly of the seat, a fuel filler including a fuel filler neck and a filler cap, a breather channel connected to the fuel filler, and an outflow prevention valve in the breather channel to prevent outflow of liquid fuel. The outflow prevention valve is located higher in a side view of the vehicle body than both of a lower end of the fuel tank and an upper end of the engine.. ... Yamaha Corporation

11/16/17 / #20170330541

Signal processing device

A signal processing device includes: connecting terminals, each of which is connectable to respective ones of a plurality of other signal processing devices that are different from the subject signal processing device; an analog bus connected to the connecting terminals; an input terminal connected to the analog bus and that accepts an input of an audio signal; and an output terminal connected to the analog bus and that outputs an audio signal to a sound emitting device.. . ... Yamaha Corporation

11/16/17 / #20170329725

System, target apparatus, terminal, program, and method

A system includes: a terminal that is capable of executing a plurality of programs; and a target apparatus that is capable of communicating with the terminal. The target apparatus includes: an acceptance unit that receives a specific operation; and a transmission unit that transmits trigger information to the terminal upon the acceptance unit receiving the specific operation. ... Yamaha Corporation

11/16/17 / #20170327004

Electric vehicle

An electric vehicle includes front and rear wheels, a battery, an electric motor that drives at least one of the front and rear wheels, an accelerator, and a mode shift operator that is operated by a user in order to switch drive modes. The electric vehicle includes a driving force characteristics setter that sets, for each of the plurality of drive modes, driving force characteristics which are characteristics of an accelerator opening degree and a target motor driving force for the rotational speed of the electric motor. ... Yamaha Corporation

11/09/17 / #20170319817

Sleep guidance device, control method, and computer-readable recording medium

Provided is a sleep guidance device that serves to control a stimulus imparter for imparting stimuli to a human subject. The sleep guidance device acquires a biorhythm of the human subject; estimates sleep depths of the human subject from the acquired biorhythm of the human subject; and controls the stimulus imparter to impart a stimulus to the human subject in accordance with the acquired biorhythm of the human subject, and from among the sleep depths, a current sleep depth estimated for the human subject.. ... Yamaha Corporation

10/26/17 / #20170311066

Sound pickup device and sound processing device

A sound pickup device includes: a housing; a mount portion via which the housing is mounted on an object; a sound pickup including a microphone; a first output configured to output a sound signal indicating a sound input to the sound pickup; an installer configured to install the sound pickup on the housing; a sensor configured to detect a vibration transmitted to the housing; and a second output configured to output a vibration signal indicating the vibration detected by the sensor.. . ... Yamaha Corporation

10/26/17 / #20170311065

Sound pickup device and sound processing device

A sound pickup device includes: a housing; a mount portion via which the housing on an object constituting a portion of a musical instrument; a sound pickup including a plurality of the microphones respectively oriented in different directions; a first output configured to output a sound signal indicating a sound input to the sound pickup; and an installer configured to install the sound pickup on the housing such that each of the plurality of microphones is oriented away from the object when the housing is mounted on the object via the mount portion.. . ... Yamaha Corporation

10/26/17 / #20170309090

Engine generator

An engine generator includes a generator body connected to an engine, a converter including rectifiers that convert an output from the generator body to dc current, an inverter that converts an output from the converter to ac current, an input voltage detector that detects an input voltage from the generator body to the converter, and an ac current detector that detects an ac current output from the inverter. An abnormality in the engine generator is determined if a state that a current detected by the ac current detector is not higher than a first threshold value and a duty ratio of a voltage detected by the input voltage detector is not higher than the second threshold value continues for a first predetermined time; or if the current detected by the ac current detector is not higher than a third threshold value and the duty ratio change rate is not higher than a fourth threshold value.. ... Yamaha Corporation

10/26/17 / #20170305519

Outboard motor

An outboard motor includes an exhaust passage that discharges exhaust gases generated in a v-type engine into water from an exhaust opening. The exhaust passage includes first and second branch passages connected to cylinders and disposed inside a v-shaped line, a first upstream collecting passage connected to each of the first branch passages, a second upstream collecting passage connected to each of the second branch passages, and a downstream collecting passage connected to the first and second upstream collecting passages. ... Yamaha Corporation

10/26/17 / #20170305263

Mount device and vehicle

A mount device includes an inner rod, a damper made of an elastic material to be mounted to the inner rod, and an outer cover to be mounted to the damper. The damper includes a plurality of projecting portions projecting radially outward from the inner rod and small-thickness portions thinner than the plurality of projecting portions in a radial direction. ... Yamaha Corporation

10/12/17 / #20170291672

Vessel power supply system

A vessel power supply system for a vessel including a propulsion device that includes an engine and a generator driven by the engine to generate electricity, includes a first battery that supplies power to the propulsion device, a second battery that supplies power to accessories of the vessel, a first open circuit voltage sensor that detects an open circuit voltage of the first battery, a second open circuit voltage sensor that detects an open circuit voltage of the second battery, and a switch that is turned on/off to open and close a current path between the first battery and the second battery.. . ... Yamaha Corporation

10/05/17 / #20170288798

Method for controlling audio signal processing device, audio signal processing device, and storage medium

In an audio signal processing device including a plurality of mixing buses to mix audio signals processed in a plurality of channels, a switching instruction to switch function of the mixing buses is accepted. In accordance with the switching instruction, operation mode of one or a plurality of switch mixing buses among the plurality of mixing buses is switched between a first mode and a second mode. ... Yamaha Corporation

10/05/17 / #20170287454

Musical score display control device and method

A musical score display device and method employing a controller that is configured to control a display to display a musical score and, with the musical score, a first time axis corresponding to a performance of the musical score in which at least one repeat part of the musical score is played during the performance, or a second time axis corresponding to the musical score including at least one repeat sign.. . ... Yamaha Corporation

10/05/17 / #20170287453

Musical score display control method, device and program

A musical score display control method, device and program which control a processor to acquire performance data being performed, sequentially acquire performance positions of a performance in a musical score data that represent a musical score based on the musical score data and the performance data, and display on a display a predetermined portion of the musical score data according to the current performance position. The processor also controls the display to display a next performance target portion of the musical score data upon determining that the current performance position has advanced beyond a first threshold position from a prior performance position at a point in time prior to the current performance position, and to display a previous performance target portion of the musical score data upon determining that the current performance position has returned beyond a second threshold position from the prior performance position.. ... Yamaha Corporation

10/05/17 / #20170284345

Air cleaner and vehicle

An air cleaner includes a filter element, a case having an opening and being configured to accommodate the filter element, and a lid configured to close the opening. The case includes a wall including a first surface and a second surface that are formed on at least one of an outer surface and an inner surface of the case and are continuous with each other in an opening direction of the opening through intermediation of a stepped portion. ... Yamaha Corporation

09/28/17 / #20170279422

Btl output self-oscillating class d amplifier

A bridge-tied load output self-oscillating class d amplifier includes a comparator receives an input signal from a signal input circuit at a second input terminal and outputs a positive-phase pulse width modulation signal and a reverse-phase pulse width modulation signal by comparing voltages of the two input terminal, first and second switching circuits power-amplifies the reverse-phase pulse width modulation signal and the positive-phase pulse width modulation signal, a first low-pass filter extracts a first output signal from the reverse-phase pulse width modulation signal, a second low-pass filter extracts a second output signal from the positive-phase pulse width modulation signal, a subtractor calculates a difference between the first and second output signals and output a difference signal, and a first feedback circuit feeds back the difference signal to the second input terminal of the comparator.. . ... Yamaha Corporation

09/28/17 / #20170279421

Self-oscillating class d amplifier

A self-oscillating class d amplifier includes an integration circuit configured to integrate an input signal and output a result of the integration as an integrated signal, a comparator configured to receive the integrated signal at an inverting input terminal and output a pulse width modulation signal by comparing voltages of a non-inverting input terminal being grounded and the inverting input terminal, a switching circuit configured to power-amplify the pulse width modulation signal output from the comparator, a low-pass filter configured to extract an amplified output signal from the power-amplified pulse width modulation signal, a first feedback circuit configured to feed back the output signal of the low-pass filter to the inverting input terminal of the comparator, and a second feedback circuit configured to feed back the output signal of the low-pass filter to the integration circuit.. . ... Yamaha Corporation

09/28/17 / #20170278537

Content playback apparatus, content playback system, content information program, and content playback method

A content reproduction apparatus includes: an information receiving unit that receives first information from a first user terminal capable of providing a first content, the first information including the first content, the information receiving unit receiving second information from a second user terminal capable of providing a second content, the second information including the second content; a list transmission unit that transmits a shared list to the first user terminal, the shared list being created based on the first and second information and including information indicating the first and second contents; a reproduction request receiving unit that receives, from the first user terminal, a request of one of the first and second contents; and a reproduction unit that acquires the requested content from a user terminal that is capable of providing the requested content that is one of the first and second user terminals, and reproduces the acquired content.. . ... Yamaha Corporation

09/28/17 / #20170278501

Performance information processing device and method

Performance information of a music performance executed by a user is received, and temporarily stored into a buffer for each given time period. The performance information is recorded into a recording section in response to a recording instruction by the user. ... Yamaha Corporation

09/28/17 / #20170278495

Input support apparatus and method therefor

An input support method is provided for use in an input support apparatus that supports input of a music note. The method includes: controlling a display unit to display a pitch-time plane that includes a pitch-axis and a time-axis, a chord sequence that is associated with the time-axis of the pitch-time plane, and a pointer that indicates a position on the time-axis along the chord sequence; identifying constituent music notes that form a chord corresponding to a display position of the pointer along the chord sequence; and controlling the display unit to display areas on the pitch-time plane, each displayed area indicating a corresponding one of the identified constituent music notes, differently from other areas on the pitch-time plane.. ... Yamaha Corporation

09/28/17 / #20170278494

Supporter for supporting sound tubes to be hung therefrom and method of producing the same, and musical instrument

A musical instrument includes a supporter for supporting a plurality of sound tubes to be hung therefrom using wires. The supporter includes at least one hanger bar and a plurality of hanger pins extending from the at least one hanger bar toward a hanging side of the at least one hanger bar from which the sound tubes are hung. ... Yamaha Corporation

09/28/17 / #20170278493

Musical instrument

A musical instrument includes an instrument main body extending in a first direction, a first protruding portion that protrudes from one main side of the body, and at least one second protruding from the one main side and spaced from the first protruding portion in a second direction perpendicular to the first direction. The center of gravity of the main body is interposed between the first and second protruding portions in the second direction and located in a region defined by the first and second protruding portions. ... Yamaha Corporation

09/28/17 / #20170278492

Drum head and drum

A drum head includes: a skin has a plurality of openings arranged along a periphery of the skin; and a reinforcement provided on at least a portion of peripheral edges of the plurality of openings.. . ... Yamaha Corporation

09/28/17 / #20170278491

Foot pedal apparatus for drum

A drum foot pedal apparatus includes: a coil spring imparting resilient self-returning force to a foot board; a rod member (or an adjusting bolt) supported by a support section provided on a support post member; and a tension adjustment mechanism provided between the coil spring and the rod member. The tension adjustment mechanism includes a connection position adjustment section that interconnects the lower end of the coil spring and the rod member above the support post member, and that is constructed to permit adjustment of a connection position between the lower end of the coil spring and the rod member or the adjusting bolt at a position above the support section. ... Yamaha Corporation

09/28/17 / #20170278490

Pedal apparatus for percussion instrument

Pivot shaft support members, formed as component parts separate from support posts of a frame of a pedal apparatus, are mounted on respective upper ends of the support posts, and the pivot shaft support members pivotably support the opposite ends of a pivot shaft for a beater rod. A heel section is provided on a rear end portion of an under plate of the pedal apparatus, and a pair of left and right hinge support members, formed as component parts separate from the heel section, are mounted to the heel section. ... Yamaha Corporation

09/28/17 / #20170277414

Data positioning method, data positioning apparatus, and computer program

A data positioning method includes obtaining positional information indicating a position which is designated by operation of an operation unit in any region among a plurality of regions, each of the plurality of regions corresponding to a predetermined direction along which values of a series of pieces of data are varied and being provided for designating a position of the series of pieces of data in the predetermined direction, and the plurality of regions include at least one region for designating a plurality of discrete positions of the series of pieces of data in the predetermined direction. The method further includes determining the position for designating a portion of data corresponding to the obtained positional information, any one position being determined among the plurality of discrete positions when positional information indicating a position in the region for designating the discrete positions is obtained.. ... Yamaha Corporation

09/28/17 / #20170276213

In-line four cylinder engine

An offset in-line four cylinder engine has reduced vibration generated by a secondary inertia couple based on lateral pressures from pistons. A reference line passes through a shaft center of a crankshaft and is parallel or substantially parallel to cylinder axes of four cylinders as viewed in the axial direction of the crankshaft. ... Yamaha Corporation

09/28/17 / #20170274972

Jet propelled watercraft

A jet propelled watercraft includes a reverse gate that moves to a first position and to a second position. When the reverse gate is in the first position, the reverse gate causes a vessel body to move forward. ... Yamaha Corporation

09/28/17 / #20170274254

Golf club

A golf club includes a shaft, and a club head provided at an end of the shaft, wherein: the club head includes a head body and plate-like face member provided as a hitting face of the head body; and the face member is fixed to the head body only at a part of an upper or lower edge surface, or parts of both upper and lower edge surfaces of the face member. A fixing position of the face member may be located in the proximity of a node of a characteristic vibration in a case of freely supporting the face member. ... Yamaha Corporation

09/21/17 / #20170272884

Signal processing device and signal processing method

A signal processing device includes: a calculating unit performing calculation using signal levels of first and second acoustic signals; a determining unit, based on a result of a comparison between: the signal level of at least one of the first and second acoustic signals before the calculation; and a result of the calculation, determining whether a component of a third acoustic signal to be output from a position between a position from which the first acoustic signal is output and a position from which the second acoustic signal is output is included in the first and second acoustic signals; and a signal generating unit generating the third acoustic signal from the first and second acoustic signals when the determining unit determines that the component of the third acoustic signal is included in the first and second acoustic signals.. . ... Yamaha Corporation

09/21/17 / #20170267309

Vehicle

A vehicle includes a right front wheel, a left front wheel, a brake operator, grips, and a steering force transmission which transmits a steering force to the right front wheel and the left front wheel. The steering force transmission includes a steering shaft, a handlebar, and a tie rod. ... Yamaha Corporation

09/14/17 / #information related to voice of a question and information related to voice of a response to the question are received. an analysis section acquires a representative pitch of the question (e.g., a pitch of the end of the question), and a representative pitch of the response (e.g., an average pitch of the response) based on the received information. on the basis of comparison between the representative pitch of the question and the representative pitch of the response, an evaluation section evaluates the voice of the response to the question on the basis of how much a difference between the respective representative pitches of the question and the response is away from a predetermined reference value (e.g., a fifth consonant interval).

Yamaha Corporation

. . ... Yamaha Corporation

09/14/17 / #20170265017

Speaker device

Provided is a speaker device, which includes speaker units having different diameters and sound emission directions, and which is capable of suppressing variations in sound quality at a listening position, which are caused by changing an orientation in which the speaker device is installed. A speaker device has first and second speaker units, which have different diameters and sound emission directions, mounted thereto. ... Yamaha Corporation

09/14/17 / #20170265004

Speaker device

Provided is a speaker device including a cabinet whose direction is changed in accordance with an installation state, and capable of detecting the direction of the device based on received optical signals. The speaker device can be installed in a state in which the speaker device is placed on a rack such that a receiving unit faces a listening position, and a state in which the speaker device is hung on a wall such that a receiving unit faces the listening position. ... Yamaha Corporation

09/14/17 / #20170263230

Sound production control apparatus, sound production control method, and storage medium

A sound production control apparatus by which a sound production mode is controlled on the basis of a player's motion even during a non-playing control operation period. An information obtaining unit 30 obtains detection information by detecting a player's motion. ... Yamaha Corporation

09/14/17 / #20170263222

Drum

A drum, including: a shell; at least one head; and a vibration damping portion including at least one of (a) an outer-surface facing surface which is disposed in substantially parallel with and is closely opposed to an outer surface of an outer peripheral portion of the at least one head without contacting the outer surface and (b) an inner-surface facing surface which is disposed in substantially parallel with and is closely opposed to an inner surface of the outer peripheral portion of the at least one head without contacting the inner surface.. . ... Yamaha Corporation

09/14/17 / #20170259692

Detachable battery pack and electric vehicle

A battery pack includes non-parallel longer and shorter axes. A virtual first plane includes the shorter axis and an end surface of the battery pack, a virtual second plane includes the longer axis and another end surface of the battery pack, and a virtual third plane is perpendicular or substantially perpendicular to the longer axis and includes the center of gravity of the battery pack. ... Yamaha Corporation

09/07/17 / #20170257703

Content playback device, content playback method, and non-transitory computer-readable storage medium

A content reproduction apparatus includes a content reproducer configured to reproduce content, a user identifier configured to identify a specific user, a determiner configured to determine a place to which the specific user belongs, based on information of a distance with respect to a terminal carried by the specific user, and a result of identification performed by the user identifier, and a controller configured to, based on the information of the distance with respect to the terminal, cause the content to be output in the place to which the specific user belongs, and inhibit the content from being output in another place.. . ... Yamaha Corporation

09/07/17 / #20170256246

Information providing method and information providing device

The information providing method includes: sequentially identifying a performance speed at which a user performs a piece of music; identifying, in the piece of music, a performance position that is performed by the user; setting an adjustment amount in accordance with a temporal variation in the identified performance speed; and providing the user with music information corresponding to a time point that is later, by the adjustment amount, than a time point that corresponds to the performance position identified in the piece of music.. . ... Yamaha Corporation

09/07/17 / #20170256106

Vehicle and engine generator unit for driving vehicle

A vehicle includes a vehicle body, an electromotive driving unit mounted on the vehicle body, an engine operable with a liquid fuel, a generator that generates electric power, and a control device including a power generation control unit and an electric power output unit. The power generation control unit outputs a signal for controlling the engine and the generator, the electric power output unit outputting electric power generated by the generator to the electromotive driving unit. ... Yamaha Corporation

09/07/17 / #20170255615

Information transmission device, information transmission method, guide system, and communication system

An information transmission device includes a processor, and a memory storing instructions. The processor executes the stored instructions to recognize a phrase of voice represented by a voice signal, specify identification information item corresponding to the recognized phrase from a plurality of identification information items corresponding to mutually different phrases, and transmit the specified identification information item to a terminal device capable of reproducing a content represented by the identification information item.. ... Yamaha Corporation








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