| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 05/05/2005 | US20050093503 Indicating instrument |
| 05/04/2005 | EP1528368A2 Indicating instrument |
| 05/04/2005 | EP1527512A1 Stepper driver system with current feedback |
| 05/04/2005 | CN1612464A Driving device for step-by-step motor |
| 04/28/2005 | US20050088134 Method to reduce midrange resonance during operation of a multi-phase step motor |
| 04/27/2005 | CN1608702A Motor stop control device utilizable for gaming machine and gaming machine using the same |
| 04/27/2005 | CN1199344C Driving device of electric machine without sensor |
| 04/21/2005 | US20050083008 Pointing position correcting method, pointing position correcting apparatus, and pointing apparatus |
| 04/21/2005 | US20050083007 Motor stop control device utilizable for gaming machine and gaming machine using the same |
| 04/21/2005 | US20050083001 Adjustable iris-diaphragm controller |
| 04/13/2005 | CN1606231A Linear step motor position sensing system |
| 04/12/2005 | US6879415 Film scanner |
| 04/12/2005 | US6879128 Method and apparatus for independently controlling each phase of a multi-phase step motor |
| 04/07/2005 | DE10302004B4 Schaltungsanordnung zur Ableitung drehrichtungsbezogener Ausgangssignale aus Encodereinrichtung mit zwei um einen Winkelbetrag versetzten Einzelencodern Circuit arrangement for deriving the direction of rotation-related output signals from the encoder device with two offset by an angle encoders Single |
| 04/06/2005 | EP1521133A1 Method, apparatus, and program for driving a stepping motor in an image forming apparatus, to suppress oscillations from feedback control |
| 04/06/2005 | CN2691164Y Double polar motor driving circuit with low switching speed |
| 03/30/2005 | EP1519479A2 Stepping motor driver |
| 03/24/2005 | WO2005026834A1 Sector drive mechanism |
| 03/24/2005 | US20050063031 Driving device and light-amount adjusting device provided with the same |
| 03/24/2005 | US20050062494 Stall detection circuit and method |
| 03/24/2005 | US20050062451 Stepping motor driver |
| 03/23/2005 | EP1517279A2 Motor stop control device utilizable for gaming machine and gaming machine using the same |
| 03/23/2005 | CN1599234A Two-way motive controller |
| 03/23/2005 | CN1598682A Driving device and light-amount adjusting device provided with the same |
| 03/23/2005 | CN1194352C Integrated circuit for controlling soft disk driver |
| 03/22/2005 | US6870701 Motor driving device and disk device |
| 03/22/2005 | US6870346 Method and apparatus for controlling acceleration and velocity of a stepper motor |
| 03/17/2005 | WO2005025048A1 Circuit for driving a stepper motor and method of controlling a stepper motor driver |
| 03/17/2005 | US20050057209 Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation |
| 03/17/2005 | CA2533207A1 Circuit for driving a stepper motor and method of controlling a stepper motor driver |
| 03/16/2005 | EP1514342A1 Method and circuit arrangement for operating stepper motors |
| 03/16/2005 | CN1193496C Device for driving electric machine without sensor |
| 03/15/2005 | US6867566 Method and apparatus for improved low current accuracy in multi-phase step motors |
| 03/10/2005 | US20050052152 Circuit for driving a stepper motor and method of controlling a stepper motor driver |
| 03/10/2005 | US20050052147 Single phase motor driving circuit and single phase motor driving method |
| 03/09/2005 | CN2684461Y Subdivision two-phase stepping motor driver |
| 03/09/2005 | CN1592083A Method, controlling apparatus for driving a motor and image forming device |
| 03/08/2005 | US6863435 Spring, mainspring, hairspring, and driving mechanism and timepiece based thereon |
| 03/03/2005 | WO2005020426A1 A method and apparatus for improved low current accuracy in multi-phase step motors |
| 03/03/2005 | WO2005019924A1 Stepping motor control circuit, electronic camera, and stepping motor control method |
| 03/03/2005 | WO2004077176A3 Pulse output function for programmable logic controller with linear frequency change |
| 03/03/2005 | US20050047185 Motor drive |
| 03/03/2005 | US20050046378 Stepping motor control circuit |
| 03/02/2005 | CN2682734Y High-performance stepper motor driving circuit with low-voltage power supply |
| 03/01/2005 | US6861818 Stepper motor controller system and a method thereof |
| 03/01/2005 | US6861817 Method and apparatus for detecting a stall condition in a stepping motor |
| 02/24/2005 | US20050040784 Method and apparatus for extending the torque range of a stepper motor |
| 02/22/2005 | US6859752 Speed adjustment control method |
| 02/22/2005 | US6859423 Motor drive circuit for a disk drive apparatus |
| 02/17/2005 | US20050035736 Method and apparatus for improved low current accuracy in multi-phase step motors |
| 02/16/2005 | CN1579586A Motor stop control device for gaming machine and gaming machine provided with the motor stop control device |
| 02/16/2005 | CN1189328C Driving method for driven object, and driving device and printer of using same |
| 02/15/2005 | US6854592 Conveying apparatus |
| 02/10/2005 | WO2005013474A2 Method and apparatus for independently controlling each phase of a multi-phase step motor |
| 02/10/2005 | US20050029977 Motor stop control device for gaming machine and gaming machine provided with the motor stop control device |
| 02/09/2005 | EP1505548A2 Motor stop control device for gaming machine and gaming machine provided with the motor stop control device |
| 02/09/2005 | CN2678243Y AC servo drive device based on digital signal processor |
| 02/08/2005 | US6853162 Re-zeroing of a stepper motor without noise or movement |
| 02/08/2005 | CA2171090C Ribbon sensing device for bag tyer |
| 02/03/2005 | US20050024008 Driving device for stepping motor |
| 02/03/2005 | US20050024007 Method and apparatus for independently controlling each phase of a multi-phase step motor |
| 02/01/2005 | US6850028 Motor driver and recording apparatus incorporating the same |
| 02/01/2005 | US6850027 Stepping motor driver |
| 02/01/2005 | US6850026 Stepping motor driver |
| 02/01/2005 | US6850025 Integrated enclosure and controller for video surveillance camera |
| 01/26/2005 | CN1571268A Absolute zero control method and device for stepper motor |
| 01/25/2005 | US6847180 Motor control apparatus and motor control method |
| 01/19/2005 | EP0833131B1 Device for driving stepper motor type measuring instrument |
| 01/18/2005 | US6844643 Motor device |
| 01/13/2005 | US20050006966 Drive device for stepper motor and indicating apparatus using the same |
| 01/12/2005 | CN2671229Y Two-wire driving controller of step motor |
| 01/12/2005 | CN1564455A Controller of stepper dynamo |
| 01/05/2005 | EP1494348A2 Container inspection machine |
| 01/05/2005 | CN1183657C Method for controlling stepper motor and its device |
| 01/04/2005 | US6838853 Stepping motor drive device and method |
| 12/30/2004 | US20040263098 Container inspection machine |
| 12/30/2004 | DE102004027699A1 Antriebsvorrichtung für Schrittmotoren und diese verwendende Anzeigeeinrichtung Drive means for stepper motors and use this indicator |
| 12/29/2004 | CN1558549A Micro electromechanical system based unidirectional stepping reverse self-locking electromagnetic driver |
| 12/23/2004 | US20040257026 On-hardware optimization of stepper-motor system performance |
| 12/01/2004 | CN1550245A Motor stop control device utilizable for reel-type gaming machine |
| 12/01/2004 | CN1178375C Control method of step motor |
| 11/30/2004 | US6825636 Circuit and method for controlling stepping motor |
| 11/25/2004 | US20040232874 Stepping motor drive device and method |
| 11/25/2004 | DE102004020044A1 Regelvorrichtung für einen Positioniermotor Control device for a positioning |
| 11/25/2004 | DE102004019945A1 Rotationsantriebsgerät Rotary drive unit |
| 11/17/2004 | CN1176521C Step-by-step motor driving device |
| 11/16/2004 | US6819074 Apparatus and method of controlling a driving speed of a motor |
| 11/11/2004 | WO2004082126A8 Electric vehicle with adaptive cruise control system |
| 11/11/2004 | US20040224752 Motor stop control device utilizable for reel-type gaming machine |
| 11/11/2004 | US20040222760 Motor stop control device |
| 11/10/2004 | EP1475759A1 Motor stop control device |
| 11/10/2004 | EP1475758A1 Motor stop control device |
| 11/10/2004 | CN1545202A High-frequency induction current delivery excitation method for synchronous motor and equipment thereof |
| 11/10/2004 | CN1175555C Stepping motor control device and optical head drive device |
| 11/09/2004 | US6815923 Stepper motor jam detection circuit |
| 10/28/2004 | US20040212341 Rotational driving apparatus |
| 10/28/2004 | US20040212340 Control device of a position control motor |
| 10/27/2004 | CN2652039Y Computer series double-circuit step-by-step motor controller |
| 10/20/2004 | EP1468486A1 Method and apparatus for detecting a stall condition in a stepping motor |
| 10/20/2004 | CN1538602A 风扇电动机 Fan motor |