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Merlin Technology Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Merlin Technology Inc-related inventors


Mechanical shock resistant mems accelerometer arrangement, associated method, apparatus and system

An accelerometer arrangement and method are described for determining accelerations of an inground tool. First and second triaxial accelerometers are supported such that a normal sensing axis of the first triaxial accelerometer is at least generally orthogonal to the normal sensing axis of the second triaxial accelerometer for determining the accelerations along the three orthogonal axes based on a combination of sensing axis outputs from one or both of the triaxial accelerometers. ... Merlin Technology Inc

Advanced emergency collective actuator with friction pull-off and method for a helicopter

An emergency collective actuator includes an actuator motor to produce an actuation force and an actuator linkage that directly engages a friction control lever that is pivotally supported on the collective stick of a helicopter to apply the actuation force directly to the friction control lever such that the actuation force initially disengages the friction control and then reduces the adjustable pitch toward a minimum collective pitch position. The actuator can include a clutch that slips to allow the pilot to overcome the actuation force and that slips responsive to an engagement of the friction control by the pilot, but otherwise the clutch co-rotates with the motor shaft to bias the adjustable pitch toward a minimum collective pitch position.. ... Merlin Technology Inc

Drill string inground isolator in an mwd system and associated method

An inground isolator and associated method can provide an electrically isolated break in a drill string using electrical insulating members/isolators that are supported by a housing. During drill string operations, the isolators are subject only compressive forces responsive to both extension (pushing) and retraction (pulling) by the drill string. ... Merlin Technology Inc

Rotorcraft autopilot and methods

A helicopter autopilot system includes an inner loop for attitude hold for the flight of the helicopter including a given level of redundancy applied to the inner loop. An outer loop is configured for providing a navigation function with respect to the flight of the helicopter including a different level of redundancy than the inner loop. ... Merlin Technology Inc

Horizontal directional drilling area network and methods

A drilling area network hub is located proximate to a drill rig and includes an uphole transceiver in bidirectional communication with a downhole transceiver by utilizing the drill string as an electrical conductor. Certain information is collected including rig-based and/or location information. ... Merlin Technology Inc

Emergency collective actuator and method for a helicopter

A helicopter includes a rotor system having a rotor with an adjustable pitch that is controlled at least in part by a pilot using a collective control and which helicopter generates a low rpm signal that is indicative of a threshold low rotational speed of the rotor. An actuator arrangement can move the collective control by exerting a force on the collective control such that the pilot is able to overcome the actuator force but which otherwise can move the collective control from a current operational position toward a minimum pitch position. ... Merlin Technology Inc

Distinguishing false signals in cable locating

Discriminating between a cable locating signal and a false cable locating signal is described. A reference signal, which contains a locating signal frequency impressed on it, is transmitted in a way which provides for detection of a phase shift between the locating signal and the false locating signal. ... Merlin Technology Inc

Locating arrangement and method using boring tool and cable locating signals

An arrangement and an associated method are described in which a boring tool is moved through the ground within a given region along a path in which region a cable is buried. The boring tool and the cable transmit a boring tool locating signal and a cable locating signal, respectively. ... Merlin Technology Inc

Long-range nozzle for entry of air

A long-range nozzle for introducing air into a room comprising a nozzle body (1) opening in a nozzle opening (13) is described. In order to enable an advantageous air moistening, it is proposed that the nozzle opening (13) is surrounded by a coaxial crown of atomizer nozzles (8) which are connected to an annular channel (9) to which pressurized liquid can be applied.. ... Merlin Technology Inc

Advanced steering tool system, method and apparatus

A steering tool is movable by a drill string to form an underground bore along an intended path. A sensing arrangement of the steering tool detects its pitch and yaw orientations at a series of spaced apart positions along the bore, each position is characterized by a measured extension of the drill string. ... Merlin Technology Inc

Tension monitoring arrangement and method

Tension monitoring is described using a sensor which may exhibit an offset for which compensation may be provided to produce a zero voltage amplified output or to increase dynamic range. An arrangement determines whether a power reset is responsive to a battery bounce such that an initially-measured system start-up parameter can be retained. ... Merlin Technology Inc

Communication protocol in directional drilling system, apparatus and method utilizing multi-bit data symbol transmission

A system includes a transmitter for use in conjunction with a horizontal directional drilling system that transmits a multi-bit symbol stream that characterizes sensor symbols for receipt by an aboveground portable device. The portable device receives the symbol stream for aboveground recovery of the sensor signals. ... Merlin Technology Inc

Measurement device and associated method for use in frequency selection for inground transmission

A portable device and associated method are described for use with a system in which a locating signal is transmitted from within the ground during an operational procedure. The locating signal includes a transmission frequency that is selectable from a group of discrete transmission frequencies in a frequency range and the region includes electromagnetic noise that can vary. ... Merlin Technology Inc

Multimode steering and homing system, method and apparatus

A boring tool is movable through the ground. A transmitter supported by the boring tool transmits an electromagnetic homing signal. ... Merlin Technology Inc

09/21/17 / #20170268329

Flux plane locating in an underground drilling system

A portable locator and method for establishing the location of the cable line in a region which includes at least one generally straight electrically conductive cable line extending across the region from which cable line a locating signal includes a first arrangement for measuring a local flux intensity of the locating signal at a first above ground point within the region with the portable locator in a particular orientation at the first above ground point. A second arrangement uses the local flux intensity to establish a cable line angular orientation which limits the possible directions to the cable line relative to the particular orientation of the portable locator at the above ground point. ... Merlin Technology Inc

08/24/17 / #20170240268

Control interface, system and method

. . A pilot control interface and method are described for selective control of an autopilot system by a pilot of an aircraft in which the autopilot system is installed. The pilot control interface includes a passive network that is selectively switchable between a plurality of states across an output interface that is made up of no more than two conductors that are in electrical communication with the autopilot system. ... Merlin Technology Inc

08/17/17 / #20170234120

Advanced inground operations, system and associated apparatus

Systems, apparatus and methods are described for purposes of initiating a response to detection of an adverse operational condition involving a system including a drill rig and an inground tool. The response can be based on an uphole sensed parameter in combination with a downhole sensed parameter. ... Merlin Technology Inc

07/20/17 / #20170204681

Drill string adapter and method for inground signal coupling

A coupling adapter is insertable in at least one joint of a drill string as the drill string is extended from a drill rig. The coupling adapter includes an arrangement for receiving a data signal that is generated by an inground tool and for electromagnetically coupling the data signal onto at least a portion of the drill string that extends from the adapter to the drill rig such that at least some of the drill pipe sections cooperate as an electrical conductor for carrying the data signal to the drill rig. ... Merlin Technology Inc

06/08/17 / #20170160418

Locating technique and apparatus using an approximated dipole signal

Location determination is performed using a transmitter including an elongated generally planar loop antenna defining an elongation axis. The elongation axis is positioned along at least a portion of a path. ... Merlin Technology Inc

05/11/17 / #20170129599

Rotorcraft autopilot system, components and methods

An autopilot actuator includes first and second motors each including a rotatable motor output shaft such that either one or both of the motors can drive an actuator output shaft. An autopilot main unit enclosure is removably mounted to the helicopter proximate to a cyclic control and commonly houses autopilot actuators as well as main autopilot electronics. ... Merlin Technology Inc

03/30/17 / #20170089140

Multimode steering and homing system, method and apparatus

A boring tool is movable through the ground. A transmitter supported by the boring tool transmits an electromagnetic homing signal. ... Merlin Technology Inc

03/30/17 / #20170089139

Directional drilling target steering apparatus and method

An apparatus and method are used in conjunction with a system for performing horizontal directional drilling, the system including a drill string extending from a drill rig to a boring tool such that the boring tool is steerable based on a roll orientation. The system also includes an arrangement for generating steering commands for guiding the boring tool to a target position. ... Merlin Technology Inc

03/23/17 / #20170082654

Mechanical shock resistant mems accelerometer arrangement, associated method, apparatus and system

An accelerometer arrangement and method are described for determining accelerations of an inground tool. First and second triaxial accelerometers are supported such that a normal sensing axis of the first triaxial accelerometer is at least generally orthogonal to the normal sensing axis of the second triaxial accelerometer for determining the accelerations along the three orthogonal axes based on a combination of sensing axis outputs from one or both of the triaxial accelerometers. ... Merlin Technology Inc

03/16/17 / #20170075018

Multi-frequency boring tool locating system and method

Arrangements, apparatus and associated methods are described for use in a multi-frequency boring tool locating system. The boring tool includes a transmitter for transmitting a locating signal at two or more selectable frequencies. ... Merlin Technology Inc

03/02/17 / #20170059733

Locating arrangement and method using boring tool and cable locating signals

An arrangement and an associated method are described in which a boring tool is moved through the ground within a given region along a path in which region a cable is buried. The boring tool and the cable transmit a boring tool locating signal and a cable locating signal, respectively. ... Merlin Technology Inc

03/02/17 / #20170058663

Flux plane locating in an underground drilling system

A portable locator and method for establishing the location of the cable line in a region which includes at least one generally straight electrically conductive cable line extending across the region from which cable line a locating signal includes a first arrangement for measuring a local flux intensity of the locating signal at a first above ground point within the region with the portable locator in a particular orientation at the first above ground point. A second arrangement uses the local flux intensity to establish a cable line angular orientation which limits the possible directions to the cable line relative to the particular orientation of the portable locator at the above ground point. ... Merlin Technology Inc

02/23/17 / #20170050728

Emergency collective actuator and method for a helicopter

A helicopter includes a rotor system having a rotor with an adjustable pitch that is controlled at least in part by a pilot using a collective control and which helicopter generates a low rpm signal that is indicative of a threshold low rotational speed of the rotor. An actuator arrangement can move the collective control by exerting a force on the collective control such that the pilot is able to overcome the actuator force but which otherwise can move the collective control from a current operational position toward a minimum pitch position. ... Merlin Technology Inc

02/16/17 / #20170044841

Drill string inground isolator in an mwd system and associated method

An inground isolator and associated method can provide an electrically isolated break in a drill string using electrical insulating members/isolators that are supported by a housing. During drill string operations, the isolators are subject only compressive forces responsive to both extension (pushing) and retraction (pulling) by the drill string. ... Merlin Technology Inc

01/12/17 / #20170008624

Advanced emergency collective actuator with friction pull-off and method for a helicopter

An emergency collective actuator includes an actuator motor to produce an actuation force and an actuator linkage that directly engages a friction control lever that is pivotally supported on the collective stick of a helicopter to apply the actuation force directly to the friction control lever such that the actuation force initially disengages the friction control and then reduces the adjustable pitch toward a minimum collective pitch position. The actuator can include a clutch that slips to allow the pilot to overcome the actuation force and that slips responsive to an engagement of the friction control by the pilot, but otherwise the clutch co-rotates with the motor shaft to bias the adjustable pitch toward a minimum collective pitch position.. ... Merlin Technology Inc








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