| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 07/10/2003 | WO2003056696A1 Method and apparatus for detecting a stall condition in a stepping motor |
| 07/10/2003 | US20030128002 Method and apparatus for controlling speed of moving body |
| 07/08/2003 | US6590359 Method for effecting the synchronous control of several stepping motors |
| 07/03/2003 | US20030122520 Stepping motor controlling device and method thereof |
| 07/02/2003 | CN2559167Y Multi-subdivision high-voltage two-phase step-by-step motor driver |
| 07/01/2003 | US6586898 Systems and methods of electric motor control |
| 06/26/2003 | US20030118360 Image forming apparatus |
| 06/26/2003 | US20030117100 Method and apparatus for detecting a stall condition in a stepping motor |
| 06/25/2003 | EP1266383A4 Instrument reference system |
| 06/17/2003 | US6580238 Motor driver |
| 06/05/2003 | US20030102838 Instrument reference system |
| 06/03/2003 | US6573680 Method and circuit for driving stepping motor |
| 05/27/2003 | US6570351 Sensorless motor driving apparatus |
| 05/22/2003 | US20030094916 Initializing drive apparatus |
| 05/20/2003 | US6566839 Switched capacitor motor driver |
| 05/15/2003 | WO2003041262A1 A device for multi-regime control of four-phase step motor |
| 05/13/2003 | US6563285 Stepper motor control system |
| 05/08/2003 | US20030085675 Matrix connected driver for multiple to phase motors |
| 05/07/2003 | EP0958651B1 Method and device for controlling a stepping motor |
| 05/06/2003 | US6559569 Motor device |
| 05/02/2003 | EP0898528B1 Device and method for controlling windscreen wipers |
| 05/01/2003 | US20030080708 Method and apparatus for improved motor control through current/velocity correction |
| 04/29/2003 | US6555987 Step motor control for accommodating friction load variation |
| 04/29/2003 | US6555985 Stepping motor control device |
| 04/24/2003 | US20030076069 Drive unit for initialization |
| 04/24/2003 | US20030076068 Load angle determination for electrical motors |
| 04/10/2003 | WO2003030349A1 Stepper motor controller |
| 04/10/2003 | US20030067280 Stepper motor controller |
| 04/10/2003 | CA2461820A1 Stepper motor controller |
| 04/09/2003 | CN1409478A Motor drive circuit with motor jamming detection function |
| 04/03/2003 | US20030063023 Apparatus and method for controlling a stepping motor |
| 04/02/2003 | EP1298787A2 Stepping motor controller |
| 04/02/2003 | CN1407713A Method for eliminating interfere by noise as movement of step motor |
| 04/01/2003 | US6541935 Method for controlling stepping motor |
| 03/27/2003 | US20030057911 Stepping motor controller |
| 03/26/2003 | EP1295478A2 Integrated enclosure and controller for video surveillance camera |
| 03/20/2003 | WO2003023282A2 Determination of maximum travel of linear actuator |
| 03/20/2003 | US20030052552 Permanent magnet type three-phase stepping motor |
| 03/18/2003 | CA2231644C Open-loop step motor control system |
| 03/12/2003 | EP0833438B1 Motor driving device |
| 02/26/2003 | CN1399399A Permanent magnetic three phase stepped motor |
| 02/25/2003 | US6524236 Device for controlling an amount of light of a lighting unit for an endoscope |
| 02/18/2003 | US6519999 Meter having pointer-zero-position adjusting function |
| 02/13/2003 | US20030030403 Method and circuit for driving stepping motor |
| 02/06/2003 | US20030025474 Device for producing or controlling an alternating current in at least one inductive load |
| 02/05/2003 | EP1282223A2 Device for producing or controlling an alternating current in at least one inductive load |
| 02/05/2003 | EP1282222A2 Device for producing or controlling an alternating current in at least one inductive load |
| 01/29/2003 | EP1280262A2 Permanent magnet type three-phase stepping motor |
| 01/23/2003 | US20030015923 Motor device |
| 01/22/2003 | CN1392665A Control strategy of switch magnetic resistance driving system |
| 01/21/2003 | US6509709 Stepping motor controller |
| 01/16/2003 | US20030011339 Step motor control for accommodating friction load variation |
| 01/15/2003 | CN1391144A Analog electronic timer |
| 01/09/2003 | US20030006656 Display devices |
| 01/02/2003 | US20030001532 Switched capacitor motor driver |
| 01/01/2003 | CN1388641A Controlling method of stepping motor |
| 01/01/2003 | CN1388422A Control equipment for making step-by-step electric machine rotate |
| 12/31/2002 | US6501930 Image forming method and apparatus with controlled image carrier rotation driving based on previous rotation state |
| 12/26/2002 | US20020195985 Stepping motor driving apparatus with dynamic torque control |
| 12/24/2002 | US6498453 Two-phase stepping motor gauge control system |
| 12/19/2002 | US20020190684 Control strategy for switched reluctance drive systems |
| 12/19/2002 | US20020190674 Motor driving device and apparatus including the same device |
| 12/18/2002 | EP1267480A2 A control strategy for switched reluctance drive systems |
| 12/18/2002 | EP1267226A2 Analog electronic timepiece |
| 12/18/2002 | EP1266383A1 Instrument reference system |
| 12/12/2002 | US20020186622 Analog electronic clock |
| 12/12/2002 | US20020185988 Method for accelerating a control movement in a positioner system with step motors |
| 12/12/2002 | US20020185926 Systems and methods of electric motor control |
| 12/11/2002 | CN1384599A Microcomputer-controlled step motor driver |
| 12/05/2002 | WO2002097955A1 Motor driving device and apparatus including the same device |
| 12/05/2002 | US20020180396 Apparatus of controlling to rotate step motor |
| 12/04/2002 | EP1263126A2 Apparatus of controlling to rotate step motor |
| 11/28/2002 | US20020175650 Method for controlling stepping motor |
| 11/21/2002 | WO2002056454A8 Phase commutation method of three-phase step motor and a device for its realization |
| 11/21/2002 | US20020171381 Sensorless motor driving apparatus |
| 11/19/2002 | US6483266 Sensorless motor driving apparatus |
| 11/05/2002 | US6476579 Pulse motor driving device, pulse motor driving method, timepiece device, and timepiece device control method |
| 11/05/2002 | US6476578 Stepping motor driving apparatus and image forming apparatus having such driving apparatus |
| 10/31/2002 | US20020158592 Method for effecting the synchronous control of several stepping motors |
| 10/30/2002 | CN1377130A Driving device of electric machine without sensor |
| 10/24/2002 | US20020153792 Multi-phase flat-type PM stepping motor and driving circuit thereof |
| 10/23/2002 | EP1250608A1 Load angle determination for electrical motors |
| 10/08/2002 | US6462503 Drive control system for stepping motor |
| 10/08/2002 | US6462502 Stepper motor controlling apparatus |
| 10/08/2002 | US6462501 Motor controlling method and apparatus |
| 10/03/2002 | US20020140386 Torque control for rotating sign drive |
| 10/02/2002 | EP1246355A2 Apparatus for driving sensorless motor |
| 10/01/2002 | US6459229 Motor control apparatus |
| 09/25/2002 | EP0890211B1 Process for detecting abutment and blocking in an electric motor |
| 09/19/2002 | US20020133262 1/8th and 1/16th micro-stepping motor drive software architecture |
| 09/06/2002 | WO2002069484A1 Acceleration and deceleration control method |
| 09/05/2002 | DE10207652A1 Anzeigeinstrument für ein Fahrzeug Indicating instrument for a vehicle |
| 08/29/2002 | US20020117988 Indicating instrument for a vehicle |
| 08/28/2002 | EP1234373A1 Digital current ramping to reduce audible noise in stepper motor |
| 08/27/2002 | US6442437 Method for step motor control |
| 08/27/2002 | US6441579 Current magnitude variation correction for open loop stepper motor driver circuit |
| 08/22/2002 | WO2002065629A1 Method for detecting the constant torque blocking speed of a direct current electric motor |
| 08/08/2002 | WO2002061936A1 Brushless motor control system |
| 08/08/2002 | WO2002035534A3 Drive device |
| 08/08/2002 | US20020105299 Motor driving circuit with a motor failure detecting function |