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Seiko Instruments Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Seiko Instruments Inc-related inventors


Vibration generation device and electronic device

This vibration generation device includes a rotor that is configured to be rotatable about a rotation axis, the rotor including a weight having a center of gravity that is eccentric with respect to the rotation axis; a shaft that is inserted into the rotor and configured to rotatably support the rotor; and a restriction part that is disposed further inward than the weight in a radial direction, the restriction part being attached to one end of the shaft, and the restriction part restricting a movement of the rotor in an axial direction.. . ... Seiko Instruments Inc

Tilt sensor

A tilt sensor includes: a pressure sensor disposed to be relatively movable with respect to a detection target object and configured to detect pressure of a fluid; and a tilt information detection unit configured to detect tilt information (for example, a tilt angle) of the detection target object according to an output of the pressure sensor and movement information of the pressure sensor.. . ... Seiko Instruments Inc

Mechanical component, mechanism module, movement, and timepiece

A mechanical component, a mechanism module, a movement, and a timepiece superior in lubricating oil retaining performance are to be provided. A mechanical component includes: a first component having a first surface region; a second component having a second surface region on which the first surface region can slide; and an oil retaining film formed on at least one of the first surface region and the second surface region and more lipophilic than the region.. ... Seiko Instruments Inc

Timepiece

A timepiece allowing accurate positioning of a display plate and a plate member is to be provided. A timepiece 10 includes: a main plate 2 having one or more positioning portions 21 and 22; a plate member 3 having one or more first positioning receiving portions 33 to be locked to the positioning portions 21 and arranged so as to overlap the main plate 2; and a display plate 5 having one or more second positioning receiving portions 55 to be locked to the positioning portions 22 and arranged so as to overlap the plate member 3.. ... Seiko Instruments Inc

Timepiece and control method of timepiece

A timepiece includes a communication unit that controls communication with a communication device by using a periodic communication radio wave, and a control unit that controls a hand operation of an indicating hand driven by a motor. The control unit sets a hand operation permission period during which the hand operation of the indicating hand is permitted starting from communication timing of the communication radio wave.. ... Seiko Instruments Inc

Portable apparatus case, portable apparatus, and timepiece

Disclosed are a portable apparatus case, a portable apparatus, and a timepiece allowing easy attachment. A timepiece case includes: a case main body, a first bow having a first passage hole and provided on the case main body, a strap one end portion of which is mounted to the first bow and the other end portion of which is passed through the first passage hole, and a fixation member provided on at least one of the first bow and a main portion of the strap extending from the first bow to the first passage hole and detachably connected to the strap.. ... Seiko Instruments Inc

Portable apparatus case, portable apparatus, and timepiece

Disclosed are a portable apparatus case, a portable apparatus, and a timepiece allowing easy attachment. A timepiece case includes: a case main body, a first bow having a first passage hole and provided on the case main body, a strap one end portion of which is mounted to the first bow and the other end portion of which is passed through the first passage hole, and a fixation member provided on an extension portion of the strap extending from the first passage hole to the outside and detachably connected to a main portion of the strap extending from the first bow to the first passage hole.. ... Seiko Instruments Inc

Timepiece

There is provided a timepiece capable of selecting a timepiece mode and a chronograph mode. The timepiece includes an hour hand and a minute hand which indicate a time in a case where the timepiece mode is selected, and a main control unit that performs control so as to start time measurement by simultaneously starting hand operations of the hour hand and the minute hand in a case where the chronograph mode is selected, to indicate a measured time at the time of stopping by stopping the hand operation of the hour hand, and to continue the time measurement by continuing the hand operation of the minute hand.. ... Seiko Instruments Inc

Control device for vibration generation device, electronic apparatus, and method of controlling vibration generation

A control device for the vibration generation device includes the vibration generation device including a stator, and a rotor provided so as to be able to rotate around a predetermined axis with respect to the stator, and having a weight having a gravity center at a position shifted from the predetermined axis, and a control section adapted to control a start-up period maximum voltage value, which is a maximum voltage value of a drive signal to be applied to the vibration generation device in a start-up period, to become larger than a steady operation period voltage value, which is a voltage value of the drive signal to be applied to the vibration generation device in a steady operation period.. . ... Seiko Instruments Inc

Fluid pressure cylinder

An inner cylinder inside an outer cylinder is disposed to be coaxial to an air pressure supply rod inside the inner cylinder. A first piston is disposed between the air pressure supply rod and the inner cylinder, a pneumatic chamber is disposed on a side of one surface (hydraulic surface) of the first piston in the inner cylinder, and a first hydraulic chamber is disposed on a side of the other surface. ... Seiko Instruments Inc

Cutting device and scissors

A cutting device includes a support shaft, a first blade body which holds the support shaft, a slide bearing mounted on the support shaft, a second blade body provided to overlap the first blade body and rotatably supported on the support shaft via the slide bearing, a fixing member disposed on the support shaft on a side opposite to the first blade body across the slide bearing, and a biasing member disposed between the slide bearing and the fixing member. A regulating portion, which regulates movement of the slide bearing toward the first blade body side with respect to the second blade body, is provided in at least one of the second blade body and the slide bearing, and the slide bearing is biased toward the first blade body side by the biasing member.. ... Seiko Instruments Inc

Diaphragm, pressure sensor using diaphragm, and diaphragm producing method

Provided herein is a diaphragm that is highly durable, and that does not involve the risk of gas leakage, and a pressure sensor using such a diaphragm. The diaphragm is a metallic diaphragm that includes a plate-shaped pressure receiver, and a frame-like support member. ... Seiko Instruments Inc

Cutting device and scissors

A cutting device includes a support shaft; a first blade body which holds the support shaft; a rolling bearing which is mounted on the support shaft, and has an outer race and an inner race; a second blade body which is provided to overlap the first blade body, and is rotatably supported on the support shaft via the rolling bearing; a fixing member which is disposed on the support shaft on a side opposite to the first blade body across the rolling bearing; and a biasing member disposed between the rolling bearing and the fixing member. One of the outer race and the inner race rotates integrally with the second blade body, and the other of the outer race and the inner race is biased toward the first blade body by the biasing member.. ... Seiko Instruments Inc

Vibration generation device and electronic apparatus

There is provided a vibration generation device superior in responsivity compared to the related art. The vibration generation device includes a stator, a rotor provided to the stator so as to be able to rotate around the central axis, and having a weight having a gravity center at a position shifted from the central axis, and an air resistance reduction part provided to the weight, and reducing the air resistance to the weight when the rotor rotates. ... Seiko Instruments Inc

05/24/18 / #20180145284

Electrochemical cell and manufacturing method of the electrochemical cell

An electrochemical cell includes an electrode body which includes a positive electrode and a negative electrode and an outer package which is formed by overlapping a first member and a second member. The outer package includes: a housing portion which houses the electrode body; and a sealing portion which is formed along an outer circumference of the housing portion, by fusing and bending the first member and the second member, at a portion corresponding to the outer circumference of the housing portion.. ... Seiko Instruments Inc

04/19/18 / #20180107165

Timepiece and control method of timepiece

A timepiece, in which an indicating hand is driven by a motor and high speed processing is required for driving a load other than the indicating hand, includes a main control circuit that instructs drive timing of the motor so as to drive the load, and that is operated by an operation frequency serving as a first frequency, and a motor control unit that generates a drive pulse for driving the motor, and that is operated by an operation frequency serving as a second frequency which is lower than the first frequency.. . ... Seiko Instruments Inc

04/05/18 / #20180097302

Portable printer

A portable printer includes a casing accommodating a printer module; a control board accommodated in the casing and electrically connected to the printer module; a female-side connector mounted on the control board and exposed to an outside of the casing through a connector opening formed in the casing, the female-side connector detachably mounting a male-side connector; and an elastic member interposed between an inner peripheral surface of the connector opening and an outer peripheral surface of the female-side connector.. . ... Seiko Instruments Inc

02/01/18 / #20180029389

Thermal printer and portable terminal

A thermal printer includes a head block having a head support plate and a thermal head fixed to the head support plate, a platen roller brought into abutment against the thermal head through intermediation of recording paper, a wiring board drawn from the thermal head, a frame supporting the platen roller and the head support plate, and a recording paper sensor mounted to the wiring board and detecting the recording paper. The frame includes a guide wall arranged on upstream of the thermal head in a conveyance direction of the recording paper, the guide wall guiding the recording paper to the thermal head. ... Seiko Instruments Inc

01/18/18 / #20180019500

Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery is provided, including: a positive electrode (10) that includes a lithium-manganese oxide as a positive electrode active material; a negative electrode (20) that includes siox (0x≦2) in which at least a part of a surface is covered with carbon, or a li—al alloy as the negative electrode active material; and an electrolytic solution (50) that contains propylene carbonate (pc), ethylene carbonate (ec), and dimethoxy ethane (dme) as an organic solvent in a range of {pc:ec:dme}={0.5 to 1.5:0.5 to 1.5:1 to 3} in terms of a volume ratio, and at least one of lithium bis(fluorosulfonyl)imide (lifsi) and lithium bis(trifluoromethane sulfonyl) imide (litfsi) as a supporting salt in a total amount of 0.6 to 1.4 (mol/l).. . ... Seiko Instruments Inc

01/11/18 / #20180010642

Grease, antifriction bearing, antifriction bearing device, and information recording/reproducing device

The invention has an object of providing grease reduced in an amount of the flying grease and an amount of the outgas, and superior in low-temperature characteristic, an antifriction bearing using the grease, an antifriction bearing device, and an information recording/reproducing device. A grease includes a base oil, and a thickener, the base oil includes mineral oil and poly-α-olefin, the poly-α-olefin is higher in mass than the mineral oil, the poly-α-olefin includes poly-α-olefin higher in kinetic viscosity than the mineral oil, the kinetic viscosity of the base oil at 40° c. ... Seiko Instruments Inc

11/16/17 / #20170331349

Vibration generation device and electronic apparatus

There are provided a vibration generation device and an electronic apparatus adapted to generate a variety of vibrations corresponding to a variety of situations without making the power consumption excessively high. The vibration generation device and the electronic apparatus according to the present embodiment is provided with two vibration motors having respective eccentric weights different in weight from each other, and drives a first vibration motor having a heavier one of the eccentric weights in the case of announcing a first event, for which notice with a strong vibration is necessary or effective. ... Seiko Instruments Inc

11/16/17 / #20170326894

Thermal printer and portable terminal

A thermal printer includes a platen roller, a thermal head, a head support plate, a frame including a platen roller support portion, a turn support portion configured to support the head support plate, and an urging member configured to urge the head support plate in a direction in which the thermal head approaches the platen roller. The thermal head is fixed to an opposed surface of the head support plate, which is in a first region located on one side with respect to the turn support portion, and is opposed to the platen roller in the first direction. ... Seiko Instruments Inc

11/16/17 / #20170326888

Thermal printer and portable terminal

A thermal printer includes a frame having a first side plate portion and a second side plate portion, and a base portion which crosses over between the first side plate portion and the second side plate portion, a thermal head supported on the frame, a platen roller supported on respective shaft support portions of the first side plate portion and the second side plate portion, a drive source supported in a cantilevered state on a drive support portion of the first side plate portion, and is connected to the platen roller, an engaged portion arranged in the base portion, and an engagement portion which is connected to the drive source and is engageable with the engaged portion, and is configured to regulate displacement of the drive source with respect to the base portion.. . ... Seiko Instruments Inc

10/26/17 / #20170305174

Thermal printer and portable terminal

A printer includes a platen roller configured to feed recording paper by nipping the recording paper with a thermal head; a frame which includes a shaft support portion configured to support the platen roller so that the platen roller is rotatable about an axis direction thereof; a drive source arranged on an inner side of the frame in the axial direction with respect to the shaft support portion; a planetary gear mechanism which is arranged on the inner side of the frame in the axial direction with respect to the shaft support portion and is configured to reduce power of the drive source; and a power transmission mechanism which is arranged on an outer side of the frame in the axial direction with respect to the shaft support portion and is configured to transmit power of the planetary gear mechanism to the platen roller.. . ... Seiko Instruments Inc

10/12/17 / #20170292877

Pressure sensor

The present invention is a pressure sensor (1) which includes a sensor main body (2) having a cavity, a cantilever (3) having a lever main body (20) and a lever support portion (21a, 21b) and which is bent according to a pressure difference between the cavity and the outside of the sensor main body (2), and a displacement detection unit (4) which detects displacement of the cantilever (3) based on resistance variation in resistance values of the main body-resistance portion (31) formed in the lever main body (20) and a lever-resistance portion (32) formed in the lever support portion (21a, 21b). A division groove (40) is formed in the lever support (21a), and the division groove (40) divides the lever-resistance portion (32) into a first resistance portion (32a) which is electrically connected to a detection electrode (35) in series and a second resistance portion (32b) which is positioned so as to be closer to the other adjacent lever support portion (21b) than the first resistance portion (32a). ... Seiko Instruments Inc

09/28/17 / #20170276563

Pressure change measurement device, altitude measurement device, and pressure change measurement method

The present invention provides a pressure change measuring apparatus and a pressure change measuring method, which are capable of detecting a change in pressure to be measured with respect to a time axis with high accuracy. Specifically, a reference value setting unit (60) included in a pressure change measuring apparatus (1) is configured to generate a reference value signal based on an output signal of a differential pressure measuring cantilever (4) under a predetermined state, and to output the reference value signal. ... Seiko Instruments Inc

09/14/17 / #20170261943

Portable device and portable timepiece

A portable timepiece includes a case, a power receiving coil accommodated in the case, a bypass member configured to include a soft magnetic material, and a first band that is internally equipped with the bypass member, and that is transformable so as to dispose the bypass member between the power receiving coil and a charging device when charging is performed using the charging device.. . ... Seiko Instruments Inc

09/14/17 / #20170261942

Portable device and portable timepiece

A portable timepiece includes a case, a power receiving coil accommodated on a rear surface side in the case, a bypass member configured to include a soft magnetic material, and a first band that is attached to the case, that is internally equipped with the bypass member, and that enables the bypass member to be disposed between the power receiving coil and a charging device when charging is performed using the charging device.. . ... Seiko Instruments Inc

09/07/17 / #20170255847

Print output control device and control method therefor

A print output control device operably connected to a printer, is configured to periodically check a first buffer sequentially storing print data received from the printer; accumulate, when the print data is stored in the first buffer, the stored print data in a second buffer; store, when status information on the printer is included in the print data, the status information in a status storage unit; store, when a first function is executed, in a third buffer, the print data accumulated in the second buffer to send back the stored print data as an acquisition value for the first function; and store, when a second function is executed, in a third buffer, the print data accumulated in the second buffer from when the second function is executed to send back the stored print data as an acquisition value for the second function.. . ... Seiko Instruments Inc

08/31/17 / #20170249619

Receipt issuing device and control method therefor

A receipt issuing device operably connected to an external host device and an external storage device, including a communication circuit configured to receive receipt data from the external host device, the receipt data including a print start command and receipt information; an external storage device detector configured to detect a wireless communication with the external storage device; an electronic receipt writer configured to write an electronic receipt based on the receipt information to the external storage device; an printing unit configured to printing a receipt based on the receipt information onto a printing medium; and a controller configured to determine, based on a result of the detection by the detector in acquiring the print start command, whether to perform a process of issuing the electronic receipt with the electronic receipt writer or a process of printing the receipt with the printing unit, and upon detecting the signal from the detector, cause to perform the process of the issuing the electronic receipt.. . ... Seiko Instruments Inc

07/27/17 / #20170215054

Portable time synchronization system

An electronic timepiece includes: a first time counter which clocks the time; a first timer which clocks a predetermined elapsed time period from the time of communication establishing processing with a portable electronic device; and a near field wireless communication portion which is capable of establishing communication in a case of synchronizing the time with the time of the portable electronic device. The portable electronic device includes a second time counter which clocks the time, a second timer which clocks the predetermined elapsed time period from the time of communication establishing processing with the electronic timepiece, and a near field wireless communication portion which is capable of establishing the communication in a case of synchronizing the time with the time of the timepiece, and sends time data which synchronizes the time of the first time counter with the time of the second time counter to a first communication portion in a case where the predetermined time period has elapsed in the second timer.. ... Seiko Instruments Inc

07/27/17 / #20170212477

Analog timepiece and control method of analog timepiece

There is provided an analog timepiece including an hour hand, a minute hand, and a second hand which are rotated by a unit step operation of a stepping motor. The analog timepiece includes a rotor that rotates the hour hand, the minute hand, and the second hand, and that has a magnetic polarity, a stator that includes magnetic pole portions disposed around the rotor, coils that excite the magnetic pole portions, and a control unit that controls each unit step of the rotor in accordance with each pulse group by applying a pulse group including a rotary pulse for rotating the rotor and a braking pulse for braking rotation of the rotor, which is applied before the rotary pulse is applied, to the coil.. ... Seiko Instruments Inc

07/27/17 / #20170212475

Timepiece

A timepiece which can secure a sufficient waterproof performance and which can transmit sound from a sound source efficiently to the exterior is provided. The timepiece is equipped with a movement, a timepiece case accommodating the movement, and a hollow structure portion having a connection proximal portion directly or indirectly in contact with the movement. ... Seiko Instruments Inc

07/27/17 / #20170212474

Timepiece

A timepiece in which the width of an edge member mounted to a case band while supporting a transparent member is small is provided. A case accommodating a dial is equipped with an edge portion arranged outside a case band of the case, a cylindrical portion arranged inside the case band, and an edge member having a receiving portion. ... Seiko Instruments Inc

07/27/17 / #20170210157

Printer, and detection method for a detection area on a sheet

A printer includes a conveying unit configured to convey a sheet having a detection area on at least a portion of a sheet surface; a sensor configured to output a detection signal in accordance with a surface of the sheet conveyed by the conveying unit; an acquisition unit configured to acquire, at a predetermined interval in accordance with conveyance of the sheet, the detection signal output from the sensor; a detection unit configured to detect the detection area based on an integrated value of a change amount of the detection signal acquired at the predetermined interval by the acquisition unit; and a printing control unit configured to control a printing position for printing on the sheet based on the detection area detected by the detection unit.. . ... Seiko Instruments Inc

07/20/17 / #20170207491

Electrochemical cell

A battery includes an electrode body including a positive electrode body and a negative electrode body and an exterior body in which the electrode body is housed. The exterior body includes a first container formed in a bottomed cylindrical shape and including a first circumferential wall section, a second container formed in a bottomed cylindrical shape and including a second circumferential wall section surrounding the first circumferential wall section, the second container housing the electrode body between the second container and the first container, and a fusing member interposed between the first circumferential wall section and the second circumferential wall section and fused to the first circumferential wall section and the second circumferential wall section.. ... Seiko Instruments Inc

07/13/17 / #20170200970

Electrochemical cell and manufacturing method of electrochemical cell

A battery includes: an electrode body; and an external body which is formed by overlapping a first sheet and a second sheet, and in which the electrode body is accommodated. The external body includes an accommodation portion which is formed in the first sheet, and which accommodates the electrode body therein, and a circumferential edge portion in which the first sheet and the second sheet overlap each other around the accommodation portion. ... Seiko Instruments Inc

07/06/17 / #20170192394

Pointer driving motor unit, electronic device, and control method of pointer driving motor unit

An object is to provide a pointer driving motor unit which can easily control driving of a pointer of a time piece by a stepping motor, a multifunctional electronic device, and a control method of a pointer driving motor unit. A pointer driving motor unit includes: a supporting body; a stepping motor which rotates a pointer that is supported to be rotatable with respect to the supporting body; a plurality of input portions which include a first input portion into which a first instruction signal is input from a main control portion, and a second input portion into which a second instruction signal is input from the main control portion; and a control portion which is provided in the supporting body, outputs a first driving signal that drives the pointer by a first operation to the stepping motor based on a result of comparing the first instruction signal and a predetermined threshold value with each other, and outputs a second driving signal that drives the pointer by a second operation to the stepping motor based on a result of comparing the second instruction signal and a predetermined threshold value with each other.. ... Seiko Instruments Inc

07/06/17 / #20170192393

Pointer driving motor unit and control method of pointer driving motor unit

A pointer driving motor unit includes: a support body; a pointer which is rotatably supported by the support body; a stepping motor which rotates the pointer; an input portion into which an input signal is put from a main control portion connected to the support body from the outside of the support body; and a control portion which is disposed in the support body, and controls driving of the stepping motor in accordance with the input signal.. . ... Seiko Instruments Inc

06/29/17 / #20170186453

Bearing device, information recording and reproducing device, and manufacturing method for bearing device

A bearing device includes a shaft and a roller bearing externally inserted over the shaft. The roller bearing includes an inner ring disposed coaxially with a center axis of the shaft, an outer ring surrounding the inner ring from an outer side in a radial direction, and a plurality of rolling elements held between the inner ring and the outer ring to be capable of rolling. ... Seiko Instruments Inc

06/29/17 / #20170182801

Thermal printer

A thermal printer includes a thermal head; a platen roller opposed to the thermal head; a platen frame configured to support the platen roller; and a housing for receiving the thermal head, the platen roller, and the platen frame, wherein the platen frame includes: an opposing surface formed below the platen roller in a gravitational direction in an assumed carriage posture, the opposing surface being opposed to the platen roller; and a liquid absorbing sheet arranged on the opposing surface.. . ... Seiko Instruments Inc

06/08/17 / #20170160162

Pressure change measuring apparatus and pressure change measuring method

An arithmetic processing unit (30) included in a pressure change measuring apparatus (1) includes: a differential pressure calculation unit configured to obtain a pressure difference between an inner pressure of a cavity (10) and a pressure to be measured based on an output signal of a differential pressure measuring cantilever (4); a pressure-to-be-measured calculating unit configured to calculate the pressure to be measured based on a set inner pressure of the cavity (10) and the differential pressure calculated by the differential pressure calculation unit; a flow rate calculating unit configured to calculate a flowing quantity of a pressure transmission medium flowing into and out of the cavity (10) for every unit of a predetermined time period based on the differential pressure calculated by the differential pressure calculation unit; and an inner pressure updating unit configured to calculate the inner pressure of the cavity (10) after the predetermined time period based on the flowing quantity calculated by the flow rate calculating unit and a volume of the cavity (10), and to update, to the calculated inner pressure, a set value of the inner pressure of the cavity (10) to be used by the pressure-to-be-measured calculating unit.. . ... Seiko Instruments Inc

05/11/17 / #20170129261

Thermal printer

A thermal printer includes: a housing having a roll sheet receiving portion; a thermal head printing on a recording paper drawn out from the roll sheet; a platen roller feeding the recording paper and held in abutment against the thermal head; a delivery slot through which the recording paper having been subjected to printing by the thermal head is delivered to an outside of the housing, the delivery slot being formed in the housing; a retaining portion for retaining liquid having entered the housing in an assumed carriage posture assumed as a posture during carriage, the retaining portion being formed below the delivery slot in a gravitational direction; and a flow path for guiding the liquid having entered the housing to the retaining portion.. . ... Seiko Instruments Inc

04/20/17 / #20170108833

Stepping motor, timepiece movement, timepiece, and manufacturing method of stepping motor

A stepping motor includes a rotor that is used in rotating an indicating hand, and a stator that configures a magnetic path, that is made of an alloy containing fe, ni, and cr, and in which a cr-diffusion region whose cr-concentration is 14 mass % or greater is disposed in a portion whose cross-sectional area in the magnetic path is smaller than a cross-sectional area of other portions.. . ... Seiko Instruments Inc

03/16/17 / #20170075310

Electronic apparatus and control method

A proposed electronic apparatus is capable of charging a secondary battery and performing data communication using a solar cell while suppressing effects of ambient light even when the intensity of light radiated to the solar cell is low. The electronic apparatus includes a control circuit 202 and a resistance 205. ... Seiko Instruments Inc

03/02/17 / #20170060096

Electronic timepiece

An electronic timepiece which can reduce currents flowing in a pull-down resistor or a pull-up resistor when a crown switch is turned on includes a first switch that is connected to a signal line, a second switch, and a one-shot pulse signal generation circuit. The first switch is inserted into the signal line. ... Seiko Instruments Inc

02/23/17 / #20170052511

Movement and electronic timepiece

. . There is provided a movement including a center wheel & pinion that drives a minute hand, a second wheel & pinion that is arranged coaxially with a center axle of the center wheel & pinion, a first light emitting element that is arranged on one side in an axial direction of the center axle with respect to the center wheel & pinion and the second wheel & pinion, and a first light receiving element that is arranged on the other side in the axial direction of the center axle across the second wheel & pinion, and that detects light emitted from the first light emitting element. The center wheel & pinion has a first center wheel transmittable portion through which the light emitted from the first light emitting element is transmittable, and a second center wheel transmittable portion which is disposed on a rotation trajectory of the first center wheel transmittable portion and through which the light emitted from the first light emitting element is transmittable. ... Seiko Instruments Inc

02/23/17 / #20170052509

Movement and electronic timepiece

A movement includes a second light emitting element, a second light receiving element, a second wheel & pinion that drives a second hand and that has a first second wheel transmittable portion and a second second wheel transmittable portion through which light is transmittable. A control unit detects a position of the second wheel & pinion by causing the second light receiving element to receive the transmitted light emitted from the second light emitting element and transmitted through the first second wheel transmittable portion or the second second wheel transmittable portion. ... Seiko Instruments Inc

02/09/17 / #20170036455

Printing unit and thermal printer

A printing unit includes a thermal head, a platen roller, a head support member and a guide member. The platen roller is abutted against the thermal head with the recording sheet therebetween and rotated to feed the recording sheet. ... Seiko Instruments Inc

01/19/17 / #20170019246

Communication system, electronic apparatus, communication method and program

A proposed electronic apparatus is capable of transmitting correct data by re-transmitting data without complicating communication processing even when a delay occurs in transmission processing of data in one-way communication. An electronic apparatus 10 transmits data to an electronic timepiece 20 as an optical signal by using a light source 103 which transmits the optical signal, determining whether a delay has occurred in transmission of the data or not, and re-transmitting the data by using the light source 103 when a delay has occurred. ... Seiko Instruments Inc

01/05/17 / #20170002867

Grease for rolling bearing, rolling bearing, rolling bearing device, and information recording and reproducing apparatus

Provided is grease for a rolling bearing of an information recording and reproducing apparatus 1, containing a base oil, a thickener, and at least one kind of an antioxidant selected from an amine-based antioxidant (a) expressed by the general formula (1), and a phenol-based antioxidant (b) expressed by the general formula (2).. . ... Seiko Instruments Inc








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