Featured patents

Motor Driving Control Apparatus and Method, and Motor Using the Same
US 08829834 B2, Sept. 9, 2014, With separate starting mode or "ramp-up" mode, Joo Yul Ko / Samsung Electro-Mechanics Co., Ltd. (Suwon, Gyunggi-Do, KR)
A motor driving control apparatus comprising:…

Sensorless Commutation Circuit and Sensorless Driving Apparatus for Brushless Motor
US 08786224 B2, July 22, 2014, Comparator circuit or method, Ge-Wei Lee et al. / I-Shou University (Kaohsiung, TW)
A sensorless commutation circuit for a brushless motor, comprising:…

Controller for Electrical Power Steering Apparatus
US 08786228 B2, July 22, 2014, Having protection means, Hiroshi Kitamoto / JTEKT Corporation (Osaka-Shi, JP)
A controller for a power steering apparatus comprising:…

Fan Control System and Air Conditioner That Includes the Same
US 08773048 B2, July 8, 2014, Diverse speeds for different motors, Toshiaki Sato et al. / Daikin Industries, Ltd. (Osaka, JP)
A fan control system, comprising:…

Variable Speed Drive System
US 08760089 B2, June 24, 2014, Alternating Current Commutating Motors, Robert C. Smith / Franklin Electric Company, Inc. (Fort Wayne, US)
A fluid displacement system comprising:…

System and Method for Aligning a Resting Rotor to a Known Position
US 08587232 B2, Nov. 19, 2013, Plural mode control, Lynn R. Kern / Standard Microsystems Corporation (Hauppauge, US)
A method for aligning a rotor in a motor, wherein the motor comprises the rotor…

Control Device and Control Method for Alternating-Current Motor
US 08536810 B2, Sept. 17, 2013, Plural mode control, Kenji Yamada / Toyota Jidosha Kabushiki Kaisha (Toyota-Shi, JP)
A control device for an alternating-current motor, in which an applied voltage is…

Quiet Motor Control System
US 08493010 B2, July 23, 2013, Torque ripple stabilization or acoustic noise attenuation, Brian Lee Schmidt et al. / Texas Instruments Incorporated (Dallas, US)
A method comprising:…

Conveyance System and Automated Manufacturing System
US 08456123 B2, June 4, 2013, Multifunction manipulator, Masashi Tsuyama et al. / HGST Netherlands B.V. (Amsterdam, NL)
A conveyance system, comprising:…

Speed Controller for Electric Motor
US 08461785 B2, June 11, 2013, With running-speed control, Dalwinder Singh Sidhu
A variable speed electric motor speed controller comprising:…

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