Featured patents

Complex Joystick Control System and Method
US 08796961 B2, Aug. 5, 2014, With running-speed control, Herbert S. Kobayashi et al.
A complex joystick control system, comprising:…

Improper Wiring Detecting System of Parallel Inverter System
US 08872461 B2, Oct. 28, 2014, With Signals, Meters, Recorders or Testing Devices, Takayuki Kaneko / Fuji Electric Co., Ltd. (Kawasaki-Shi, JP)
A system, comprising:…

Motor Control System Implementing Field Weakening
US 08779702 B2, July 15, 2014, Vector control, Seok-Hee Han et al. / Caterpillar Inc. (Peoria, US)
A control system comprising:…

Quick Change Battery Arrangement for Motorized Shade
US 08723455 B2, May 13, 2014, Plural, Diverse or Diversely Controlled Electric Motors, Richard Scott Hand et al. / Homerun Holdings Corporation (Pensacola, US)
A motorized roller shade, comprising:…

Inverter Control Device
US 08653776 B2, Feb. 18, 2014, Voltage, Kei Kurosaki / Sanden Corporation (Gunma, JP)
An inverter control device, comprising:…

Apparatus and Method for Optimizing Current Use During Control of Multiple Motors
US 08629634 B2, Jan. 14, 2014, Having electrical synchronizing interconnections, Yesaiahu Redler
A method for using pulse-width modulated signals in the control of the electric…

Electric Motor Control Apparatus
US 08604734 B2, Dec. 10, 2013, Constant Motor Current, Load Torque Control, Takayuki Kifuku et al. / Mitsubishi Electric Corporation (Tokyo, JP)
An electric motor control apparatus comprising:…

Apparatus for Driving Motor of Electric Vehicle
US 08558492 B2, Oct. 15, 2013, Having protection means, Junbo Yun et al. / LG Electronics Inc. (Seoul, KR)
An apparatus for driving a motor of an electric vehicle, the apparatus…

Protection Relay, Electrical Switching Apparatus, and System for Determining and Outputting Fault Current Available at a Load and Incident Energy or Personal Protective Equipment Level Operatively Associated Therewith
US 08493012 B2, July 23, 2013, Motor Load, Armature Current or Force Control During Starting Stopping, Joe M. Kellis et al. / Eaton Corporation (Cleveland, US)
A protection relay for an electrical switching apparatus for a load, said…

Control Device and Control Method for AC Motor
US 08471519 B2, June 25, 2013, Including inverter, Takeshi Ito et al. / Toyota Jidosha Kabushiki Kaisha (Toyota-shi, JP)
A control device for an AC motor having an applied voltage controlled by…

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