Featured patents

Motor With Rotor-Mounted Control Circuitry
US 08816624 B2, Aug. 26, 2014, Rotating sensor component separate from motor structure, Lowell L. Wood, Jr. et al.
An electrical rotating machine, comprising:…

Multi-Phase Rotary Machine Control Apparatus and Electric Power Steering System Using the Same
US 08796963 B2, Aug. 5, 2014, Specific processing of feedback signal or circuit therefore, Takafumi Satou et al. / Denso Corporation (Kariya, JP)
A multi-phase rotary machine control apparatus for controlling a power converter,…

Multi Output Inverter
US 08779716 B2, July 15, 2014, With controlled power conversion, Christopher William Fotherby / Power Concepts NZ Limited (Auckland, NZ)
A DC to AC inverter comprising:…

Motor Driving Device
US 08866424 B2, Oct. 21, 2014, Torque ripple stabilization or acoustic noise attenuation, Joo Yul Ko / Samsung Electro-Mechanics Co., Ltd. (Gyunggi-Do, KR)
A motor driving device, which comprises:…

Drive Circuit and Drive Method of a Stepping Motor
US 08773061 B2, July 8, 2014, "Step-by-step" motors in closed-loop servos, Hiroaki Taka / Nidec Servo Corporation (Gumma, JP)
A stepping motor drive circuit, comprising:…

Active Feedback User Interface System and Gimbal Assembly Therefor
US 08742711 B2, June 3, 2014, Multiple axes analog systems, Donald Jeffrey Christensen et al. / Honeywell International Inc. (Morristown, US)
An active feedback user interface system, comprising:…

System and Method for Controlling One or More Roller Shades
US 08692498 B2, April 8, 2014, Magnitude of movement or revolutions, Mark LaBosco et al. / Crestron Electronics Inc. (Rockleigh, US)
A roller shade system, the system comprising:…

Method for Controlling Three Single-Phase Motors and Moving a Platform in a Direction of the Normal
US 08581536 B2, Nov. 12, 2013, Positional Servo Systems, Michel Mathia et al. / ETEL S.A. (Motiers, CH)
A method for controlling three single-phase motors and moving a platform…

Method and System for Detecting Faults in a Brushless Exciter
US 08536816 B2, Sept. 17, 2013, With Signals, Meters, Recorders or Testing Devices, William Earl Fish / General Electric Company (Schenectady, US)
A method of operating an electrical machine comprising:…

Power Train for a Transport Vehicle, in Particular a Rail Vehicle, and Method for Controlling Same
US 08519661 B2, Aug. 27, 2013, Responsive to rotor shaft position or speed, Guillaume Desportes et al. / Alstom Transport SA (Levallois-Perret, FR)
A power train for a transport vehicle comprising:…

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