| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 10/31/2007 | DE102006020058A1 Electrical stepper motor e.g. two-phase-claw pole-stepper motor, operating method for motor vehicle, involves activating determination of blocking condition only after free run of stepper motor for predetermined period is sensed in advance |
| 10/31/2007 | CN101064491A Power converter control for reducing emi noise by temporally changing the PWM carrier frequency |
| 10/31/2007 | CN101064483A Device and method for controlling power converting device |
| 10/31/2007 | CN100346558C Permanent magnetic three phase stepped motor |
| 10/24/2007 | CN101061625A Stepping motor for generating vibration |
| 10/17/2007 | CN100344050C Stepping motor with several step angles |
| 10/09/2007 | US7279858 Drive regenerative control system |
| 10/03/2007 | CN100341238C Step motor network control apparatus applicable to medical robot |
| 09/26/2007 | CN101043195A Stepping motor control apparatus |
| 09/26/2007 | CN101042899A Optical disk drive |
| 09/26/2007 | CN101042898A Optical disk drive |
| 09/26/2007 | CN100340057C Magnetic motor |
| 09/19/2007 | EP1835611A1 Stepping motor controlling device |
| 09/12/2007 | CN101034866A Step motor acceleration system |
| 09/11/2007 | US7268512 Control device for stepping motor |
| 09/07/2007 | WO2007071057A8 Position controlled drive mechanism |
| 08/30/2007 | US20070200527 Stepping motor driving device |
| 08/29/2007 | CN101026355A Apparatus and method for driving a stepping motor and electronic apparatus using the same |
| 08/22/2007 | CN1333519C Step motor accelerating system |
| 08/16/2007 | US20070189815 Method,apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation |
| 08/16/2007 | US20070188124 Step motor drive circuit and analog electronic timepiece |
| 08/15/2007 | CN101019079A Analog electronic clock and motor control circuit |
| 08/15/2007 | CN101017929A Two-dimension automatic positioning control antenna supporter for micro-wave detection |
| 08/15/2007 | CN101017102A Return-to-zero method of indicating gauge and indicating gauge using same |
| 08/09/2007 | WO2007089258A1 Stepper motor stall detection |
| 08/09/2007 | US20070182353 Motor control apparatus |
| 08/07/2007 | US7253581 Data storage device, motor control device, and motor control method |
| 08/01/2007 | CN101008136A Electric machine control device and sewing machine with same |
| 07/26/2007 | DE102007002906A1 Mehrkanal-Impulsfolgen-Übertragungsvorrichtung Multichannel pulse trains transmission device |
| 07/24/2007 | US7248031 Electric circuit and semiconductor device |
| 07/19/2007 | DE19529164B4 Vorrichtung zum Steuern der von der Beleuchtungseinheit eines Endoskops abgegebenen Lichtmenge Apparatus for controlling the output of the lighting unit of an endoscope light quantity |
| 07/18/2007 | CN2924926Y Multifunctional step motor driver |
| 07/18/2007 | CN1327607C Driver and driving method of step-by-step motor |
| 07/17/2007 | US7245106 Controller of pulse width modulation signal-driven device, and method of reducing noise of the device |
| 07/12/2007 | WO2007077936A1 Stepping motor drive method and drive device |
| 07/12/2007 | WO2007077935A1 Vibration generation stepping motor stop control method and stop control device |
| 07/11/2007 | CN1326319C Driving device for step-by-step motor |
| 07/03/2007 | US7239108 Method for stepper motor position referencing |
| 06/28/2007 | WO2007071057A1 Position controlled drive mechanism |
| 06/28/2007 | US20070145937 Braking system for electric step motors |
| 06/28/2007 | CA2633387A1 Position controlled drive mechanism |
| 06/20/2007 | EP1798847A2 Electronic commutation circuits |
| 06/20/2007 | CN2914487Y Stepping motor driver |
| 06/20/2007 | CN1322666C Wire breakage detector for driver of step motor |
| 06/19/2007 | US7233255 Indicating instrument |
| 06/14/2007 | US20070132422 Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
| 05/31/2007 | US20070120517 Skew correction system and method of controlling a skew correction system |
| 05/30/2007 | CN1319267C Linear step motor position sensing system |
| 05/30/2007 | CN1319266C Method and apparatus for detecting a stall condition in a stepping motor |
| 05/24/2007 | WO2007058069A1 Stepping motor for generating vibration |
| 05/24/2007 | US20070115760 Analog electronic clock |
| 05/23/2007 | CN1316932C Portable seat lifting device |
| 05/22/2007 | US7221116 Motor control apparatus |
| 05/16/2007 | CN1316731C Step motor driving device and method |
| 05/09/2007 | CN1315126C Device and method for controlling step motor of optical disc driving system |
| 05/02/2007 | EP1779504A1 Arrangement for driving a load element |
| 05/02/2007 | CN1313891C Image forming apparatus and method |
| 04/25/2007 | CN1954004A 生物相容性材料 Biocompatible material |
| 04/24/2007 | US7208905 Driving method, driving mechanism, and image capturing apparatus |
| 04/18/2007 | CN1311619C Timepiece unit and method for controlling timepiece unit |
| 04/11/2007 | CN1310418C Controller of step-by-step motor |
| 04/10/2007 | US7202709 Waveform output device and drive device |
| 04/05/2007 | US20070075594 Stepping motor control method |
| 04/03/2007 | US7199546 Motor stop control device utilizable for gaming machine and gaming machine using the same |
| 03/29/2007 | US20070070680 Electric circuit |
| 03/29/2007 | DE10357969B4 Vorrichtung zum Ansteuern eines Schrittmotors An apparatus for driving a stepping motor |
| 03/28/2007 | CN1938935A Power transistor protecting circuit of motor drive circuit, motor drive circuit, and semiconductor device |
| 03/28/2007 | CN1937397A Vehicle electric booster steering system controller |
| 03/28/2007 | CN1937396A Coutrol device for electric booster steering system |
| 03/28/2007 | CN1307785C Method for controlling stepping motor |
| 03/27/2007 | US7197390 Electric vehicle with adaptive cruise control system |
| 03/21/2007 | EP1764907A1 Redundant electromotoric drive system |
| 03/21/2007 | EP1764906A1 Controller apparatus for synchronous motor and controlling method thereof |
| 03/21/2007 | CN2882096Y Flexible positioning device for step-by-step motor |
| 03/20/2007 | US7193386 Apparatus and method for driving a stepping motor |
| 03/15/2007 | DE4325042B4 Steuersystem für Verbrennungsmotoren Control system for internal combustion engines |
| 03/14/2007 | EP1763127A2 System and method of controlling a stepper motor |
| 03/07/2007 | EP1760875A1 Method and apparatus detecting an operating state of a motor |
| 03/07/2007 | EP1760098A1 Biocompatible material |
| 03/07/2007 | CN1926484A System and method for controlling current provided to a stepping motor |
| 03/07/2007 | CN1303307C Shutter rolling mechanism including step-by-step motor controller for controlling upper and lower limit stop position |
| 03/06/2007 | US7187147 Motor drive |
| 02/28/2007 | EP1757835A2 Method of setting a clutch torque |
| 02/28/2007 | CN1920980A Method for driving control main spindle motor without sensing unit in compact disk driver storehouse |
| 02/27/2007 | US7183731 Pulse generating method and pulse generator, and motor control system using the same |
| 02/14/2007 | CN1300928C Motor controller |
| 02/07/2007 | CN2867406Y Needle manipulating clock ship capable of automatic adjusting pulse width |
| 02/07/2007 | CN1910813A Current limiter circuit and motor drive circuit |
| 02/01/2007 | US20070024228 Stepping motor drive apparatus and control method thereof |
| 01/31/2007 | CN2865133Y Sine-wave subdivision drive for three-phase mixed stepping motor |
| 01/30/2007 | US7171578 Pulse output function for programmable logic controller with linear frequency change |
| 01/30/2007 | US7170254 Stepper motor driving apparatus |
| 01/30/2007 | US7168677 Motor-operated valve apparatus |
| 01/25/2007 | WO2007011454A2 Agc circuit for the reduction of harmonics in the drive signal |
| 01/24/2007 | CN2862497Y Computer automatic controlled incense coiling machine |
| 01/24/2007 | CN1297068C Micro electromechanical system based unidirectional stepping reverse self-locking electromagnetic driver |
| 01/17/2007 | CN1898857A Overcurrent protection circuit, motor drive circuit, and semiconductor device |
| 01/10/2007 | EP1741011A1 System and method for controlling current provided to a stepping motor |
| 01/04/2007 | US20070001642 Stepping motor controller, printer, stepping motor control method and stepping motor control program product |
| 01/03/2007 | CN1889356A Method for utilizing capacitor to drive motor used as step operation |