| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 05/18/2011 | CN101593525B Drive control apparatus, drive control method and optical pickup apparatus |
| 05/18/2011 | CN101312336B Stepping motor control device, stepping motor control method, image forming device and stepping motor |
| 05/17/2011 | US7944778 Motor drive control circuit, semiconductor device, electronic timepiece, and electronic timepiece with a power generating device |
| 05/11/2011 | CN201830195U Linear motor control device for immunizing and quantifying products |
| 05/11/2011 | CN201830194U Drive control device of stepping motor |
| 05/04/2011 | CN102047006A Power transmission device |
| 05/04/2011 | CN102045017A Stepping motor controller |
| 05/04/2011 | CN102043378A Reverse drive method for pointer type electronic timekeeper stepping motor |
| 05/04/2011 | CN101699758B Method and circuit for protecting pulse signals of stepping motor from running risk |
| 05/04/2011 | CN101267182B Step electromotor control method and its device |
| 05/04/2011 | CN101017929B Two-dimension automatic positioning control antenna supporter for micro-wave detection |
| 04/28/2011 | WO2011049568A1 Stepper motor controller |
| 04/28/2011 | US20110095714 Electric pump device |
| 04/27/2011 | EP2315091A2 Systems, methods, and devices for providing pulses to a motion device |
| 04/27/2011 | CN102035451A Stepping motor control circuit and analog electronic timepiece |
| 04/27/2011 | CN102035450A Stepping motor control circuit and analogue electronic watch |
| 04/27/2011 | CN101484853B Electronic clock |
| 04/20/2011 | CN102025308A Driver circuit |
| 04/20/2011 | CN102023562A Analog electronic timepiece and stepping motor driving method |
| 04/14/2011 | WO2011043389A1 Electronic watch |
| 04/13/2011 | CN101567601B Actuating device with controllable stroke |
| 04/07/2011 | US20110080132 Stepping motor control circuit and analogue electronic watch |
| 04/07/2011 | DE102009040139A1 Verfahren und Schaltungsanordnung zur sensorlosen Motorlasterfassung und zur lastwertabhängigen Motorstromregelung bei Schrittmotoren Method and circuit for sensorless motor load sensing and load-value-dependent motor current control in stepper motors |
| 04/06/2011 | EP1711391B1 Method and device for determining a time average of a pulse width-modulated current of an electric motor |
| 04/06/2011 | CN201789466U Control system of stepping motor |
| 04/06/2011 | CN102005997A Device and method for driving and controlling stepper motor |
| 04/06/2011 | CN101471620B Drive control device for a stepper motor and drive control method of the stepper motor |
| 03/31/2011 | WO2011036781A1 Rotating camera |
| 03/31/2011 | WO2011036291A1 Individualised management system for multiple stepper motors |
| 03/30/2011 | CN1536118B Sewing machine and recording medium recorded with pulse electric machine control program |
| 03/24/2011 | WO2011033940A1 Motor control method, motor control device, and motor system |
| 03/24/2011 | US20110068732 Driver circuit |
| 03/24/2011 | US20110068730 Motor control apparatus |
| 03/23/2011 | CN101989828A Motor control apparatus and image forming apparatus |
| 03/16/2011 | EP2296034A1 Integrated enclosure for video surveillance camera with thermostically controlled heater |
| 03/16/2011 | CN201766545U Stepper motor controller |
| 03/16/2011 | CN201765512U Device for tracing sun through automatic-manual combination |
| 03/16/2011 | CN101986551A Stepper motor drive control device |
| 03/10/2011 | WO2011026489A2 Method and circuit arrangement for sensorless engine load detection and for controlling the motor current in accordance with the load value in stepper motors |
| 03/10/2011 | US20110057600 Stepping motor driving apparatus |
| 03/09/2011 | EP2293543A2 Detection of pan positions in video surveillance camera |
| 03/02/2011 | CN201754572U Multi-stepper-motor control system for plate pressing machine |
| 03/02/2011 | CN201752215U Speed regulating device for hydraulic stepless variable speed spray fan |
| 03/01/2011 | US7898206 Stepping motor drive |
| 02/24/2011 | WO2011020744A2 Device and method for actuating and diagnosing stepper motors |
| 02/24/2011 | DE102009038111A1 Vorrichtung und Verfahren zur Ansteuerung und Diagnose von Schrittmotoren Apparatus and method for control and diagnostics of step motors |
| 02/23/2011 | EP2287496A1 Power transmission device |
| 02/23/2011 | EP2286183A1 Method for operating a display device driven by at least one stepping motor |
| 02/23/2011 | CN101980089A Control device for high-speed dome camera holder |
| 02/16/2011 | CN101977003A Stepper motor controller for automatically controlling acceleration and deceleration and method for generating control pulse |
| 02/15/2011 | CA2387158C For driving step motors without overshoot |
| 02/09/2011 | CN201742364U Two-phase mixture type step motor SPWM fractionized driver |
| 02/09/2011 | CN201742363U Step motor control device of temperature control valve |
| 02/09/2011 | CN201733711U Training testing experiment device for rat double-visual clue |
| 02/09/2011 | CN101971108A Electronic watch |
| 02/09/2011 | CN101969291A System-on-chip driver of high-subdivision multi-path stepping motor |
| 02/09/2011 | CN101968008A Error correcting method for step out of stepping motor |
| 02/03/2011 | US20110026375 Stepping motor control circuit and analogue electronic timepiece |
| 02/03/2011 | US20110025252 Stepping motor drive apparatus and stepping motor driving method |
| 02/03/2011 | US20110024980 Motor control apparatus and image forming apparatus |
| 02/02/2011 | EP1741011B1 System and method for controlling current provided to a stepping motor |
| 02/02/2011 | CN1815875B Optical image stabilizer and a method of controlling the optical image stabilizer |
| 02/02/2011 | CN101964622A Driving controller of stepping motor |
| 02/02/2011 | CN101963740A Ray filter switching control device |
| 02/02/2011 | CN101963739A Method for automatically switching filter |
| 02/02/2011 | CN101064483B Device and method for controlling power converting device |
| 02/01/2011 | US7880423 Method and apparatus for stepper motor stall detection |
| 01/27/2011 | US20110018592 Electric Circuit |
| 01/27/2011 | US20110018484 Stepping motor with a coded pole pattern |
| 01/19/2011 | CN101951215A Electric boot removing device |
| 01/19/2011 | CN101951214A Excitation current shifting method and device for stepping motor |
| 01/13/2011 | WO2010120430A3 Calibration of motor for constant airflow control |
| 01/12/2011 | CN101944873A Acceleration and speed reduction control method for stepper motor |
| 01/12/2011 | CN101942737A Driving of carpet loom rapier |
| 01/12/2011 | CN101424946B Pulse positioning system and method for compensating pulse positioning error thereof |
| 01/11/2011 | US7868579 Micro-step driving method of stepping motor and electrically-driven device using stepping motor |
| 01/06/2011 | US20110001449 Motor controlling apparatus and motor controlling method thereof |
| 01/05/2011 | EP2269831A1 Image forming device |
| 01/05/2011 | DE102009027346A1 Verfahren und elektrische Schaltung zum Betreiben eines Elektromotors, insbesondere eines Stellmotors für eine Komponente einer Brennkraftmaschine The method and electric circuit for operating an electric motor, in particular an actuating motor for a component of an internal combustion engine |
| 01/05/2011 | CN201699642U High-frequency and high-voltage electromagnetic wave connection driving device |
| 01/05/2011 | CN101938241A Stepping motor control system and control method thereof |
| 01/04/2011 | US7863851 Closed loop stepper motor control |
| 12/29/2010 | EP2266806A1 Image forming device |
| 12/29/2010 | EP2265813A1 Stepper motor driven proportional fuel metering valve |
| 12/29/2010 | CN201690409U Micro-step drive circuit of motorcycle meter stepper motor |
| 12/29/2010 | CN101932907A Method for operating a display device driven by at least one stepping motor |
| 12/29/2010 | CN101931357A Motor drive device and electronic device that uses the same |
| 12/29/2010 | CN101931356A Driver circuit |
| 12/28/2010 | US7859216 Stepper motor apparatus and method for controlling stepper motor |
| 12/23/2010 | US20100320955 Motor drive device and electronic device that uses the same |
| 12/22/2010 | EP2264874A2 Electric machine |
| 12/22/2010 | EP2263305A1 Stepper motor driven proportional actuator |
| 12/22/2010 | EP1658721B1 Stepping motor control circuit, electronic camera, and stepping motor control method |
| 12/22/2010 | CN101924511A Stepper motor for keeping position of printing plate exposure device |
| 12/16/2010 | DE102010020550A1 Method for controlling electric stepper motor for printing plate exposure device, involves positioning rotor of motor in position by controller in accordance with rotating field of stator before switching off motor current |
| 12/15/2010 | EP2262100A2 Method, use of the method and device for detecting a defective actuator and a heating technology assembly for same |
| 12/15/2010 | CN201674453U Controller, control device and control system of driving motor |
| 12/15/2010 | CN101452286B Stepper motor drive device based on CAN bus |
| 12/15/2010 | CN101141109B Stepping motor drive integrated circuit |
| 12/14/2010 | US7852035 Motor drive circuit |