| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 10/06/2005 | US20050218859 Stepping motor control apparatus |
| 10/06/2005 | US20050218858 Stepping motor driver |
| 10/06/2005 | US20050218857 Stepping motor driving system, information recording and reproducing device, and stepping motor driving method |
| 10/06/2005 | US20050218843 Motor control circuit for supplying a controllable driving current |
| 10/06/2005 | CA2556606A1 System and method for controlling current provided to a stepping motor |
| 10/05/2005 | EP1583219A2 Stepping motor driver |
| 10/05/2005 | EP1583218A1 Stepping motor control apparatus |
| 10/05/2005 | EP1583213A1 Electrostatic actuator drive |
| 10/05/2005 | EP1583212A1 Data bus connection for electrostatic actuator |
| 10/05/2005 | EP1582790A1 Motor operated valve |
| 10/05/2005 | EP1393430B1 Motor driving device and apparatus including the same device |
| 10/05/2005 | CN1677836A Stepping motor driver |
| 10/05/2005 | CN1677835A Stepping motor control apparatus |
| 10/05/2005 | CN1677829A Waveform output device and drive device |
| 10/05/2005 | CN1677828A Signal output device and substrate device |
| 09/29/2005 | DE102004011792A1 Stepper motor operating method, involves producing magnitudes of analog current/voltage values by applying assigned analog voltage levels at inputs of transducers for driving coils of stepping motor |
| 09/27/2005 | US6949907 Method and apparatus for extending the torque range of a stepper motor |
| 09/22/2005 | US20050206963 Image processing device and method for controlling a motor system |
| 09/22/2005 | US20050206340 System and method for controlling current provided to a stepping motor |
| 09/21/2005 | CN1670688A Universal integrated circuit for balance comparator and linear stepping motor |
| 09/20/2005 | US6946814 Stepping motor driver |
| 09/20/2005 | US6946813 Step motor control device and electronic timepiece equipped with step motor control device |
| 09/15/2005 | US20050199844 Motor-operated valve apparatus |
| 09/14/2005 | CN1667308A Motor operated valve |
| 09/13/2005 | US6943523 Brushless motor control system |
| 09/13/2005 | US6943517 Single phase motor driving circuit and single phase motor driving method |
| 09/13/2005 | US6943514 Motor control circuit for supplying a controllable driving current |
| 09/08/2005 | US20050194846 Permanent magnet type three-phase stepping motor |
| 09/08/2005 | DE102004008063A1 Verfahren zum Ansteuern eines elektrischen Schrittmotors zur Variation der Charakteristik eines von einem Kraftfahrzeugscheinwerfer ausgesandten Lichtbündels A method of driving an electric stepping motor for varying the characteristic of a motor vehicle headlight of the emitted light beam |
| 09/07/2005 | CN1663518A Portable seat lifting device |
| 09/06/2005 | US6940269 Meter unit having magnetic pointer position detector |
| 08/31/2005 | EP1569327A2 Pulse motor driving device, pulse motor driving method, timepiece device and timepiece device control method |
| 08/31/2005 | EP1569001A2 Indicating instrument |
| 08/24/2005 | CN2720716Y 风扇电动机 Fan motor |
| 08/18/2005 | WO2005076462A1 Electrically driven vehicle |
| 08/18/2005 | US20050180273 Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal |
| 08/18/2005 | US20050179411 Control apparatus for vibration type actuator and electronic apparatus using it |
| 08/17/2005 | CN1656668A Stepper driver system with current feedback |
| 08/17/2005 | CN1655443A Method for controlling stepping motor |
| 08/17/2005 | CN1655084A Digital controller for direct current linear motor with high frequency response |
| 08/16/2005 | US6930463 Container inspection machine |
| 08/11/2005 | WO2005013474A3 Method and apparatus for independently controlling each phase of a multi-phase step motor |
| 08/11/2005 | US20050174910 Method for controlling stepping motor |
| 08/11/2005 | DE102004003973A1 Verfahren und Vorrichtung zum Bestimmen eines zeitlichen Mittelwertes eines pulsbreitenmodulierten Stroms eines Elektromotors Method and apparatus for determining a temporal average value of a pulse-width-modulated current of an electric motor |
| 08/04/2005 | WO2005070746A1 Method and device for determining a time mean of a pulse width-modulated current of an electric motor |
| 08/04/2005 | US20050169618 Position control device, image blur correction device, and optical apparatus |
| 08/02/2005 | US6924616 Rotational driving apparatus |
| 07/28/2005 | US20050162876 DC motor driving method for reducing adverse RF interferences and application to a vehicle lighting or signalling device |
| 07/26/2005 | US6922030 Adjustable iris-diaphragm controller |
| 07/21/2005 | WO2005067136A1 Current limiter circuit and motor drive circuit |
| 07/21/2005 | WO2005067134A1 Power transistor protecting circuit of motor drive circuit, motor drive circuit, and semiconductor device |
| 07/20/2005 | CN1211909C Motor drive circuit with motor jamming detection function |
| 07/14/2005 | WO2005064782A1 Overcurrent protection circuit, motor drive circuit, and semiconductor device |
| 07/14/2005 | US20050151499 Data storage device, motor control device, and motor control method |
| 07/14/2005 | DE10355651A1 Verfahren zur Optimierung des Wirkungsgrades eines unter Last betriebenen Motors Method for optimizing the efficiency of a motor is operated under load |
| 07/14/2005 | DE10355153A1 Stepping drive control for stepping motors transversal or synchronous machines as intermediate member between service procurement strategy (SPS) control and power energising for stepping drives |
| 07/07/2005 | US20050146303 Stepping motor drive device and method |
| 07/05/2005 | US6914855 Circuit for driving motor coils in stepping motors |
| 07/05/2005 | US6914407 Step motor control device and electronic timepiece equipped with step motor control device |
| 07/05/2005 | US6913403 Integrated enclosure and controller for video surveillance camera |
| 06/30/2005 | WO2005060087A1 Method and device for powering a step motor |
| 06/30/2005 | US20050141887 Method for optimizing the efficiency of a motor operated under a load |
| 06/30/2005 | US20050140327 Method and apparatus for detecting a stalled stepper motor |
| 06/30/2005 | US20050140325 Motor controller, library apparatus, conveyance robot for the library apparatus, and computer-readable storage medium with motor control programs |
| 06/28/2005 | US6911800 Stepping motor controller, scanning apparatus, and image forming apparatus |
| 06/23/2005 | WO2005057298A1 Analog electronic clock |
| 06/23/2005 | WO2005043743A3 Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
| 06/23/2005 | US20050134211 Stepping motor drive device and method |
| 06/23/2005 | DE19807085B4 Direktantrieb mit internen Sensoren und Regeleinrichtung Direct drive with internal sensors and controller |
| 06/22/2005 | CN2705948Y Stepper motor absolute zero controller |
| 06/22/2005 | CN1630183A Stepping motor drive device and method |
| 06/22/2005 | CN1630182A Stepping motor drive device and method |
| 06/21/2005 | US6909256 Control device of a position control motor |
| 06/16/2005 | DE19633740B4 Verfahren und Einrichtung zur Ansteuerung eines eigentaktierten Schrittmotors Method and apparatus for controlling a stepper motor eigentaktierten |
| 06/14/2005 | US6906489 Stepping motor drive device and method |
| 06/09/2005 | US20050122611 Semiconductor device and a disk drive apparatus employing such a semiconductor device |
| 06/09/2005 | US20050122080 Apparatus to and method of controlling step motor |
| 06/08/2005 | EP1538738A2 Stepping motor controller |
| 06/08/2005 | EP1538737A1 Control electronic and process for controlling an electric motor |
| 06/08/2005 | EP1537915A2 Reaction vessel |
| 06/08/2005 | EP0932250B1 Electronic device and method for actuating a movable member by means of a stepping motor |
| 06/08/2005 | CN1625040A Motor controller |
| 06/07/2005 | US6903848 Image reading apparatus, image recording apparatus and image forming apparatus |
| 06/07/2005 | US6903531 Circuit for driving a stepper motor and method of controlling a stepper motor driver |
| 06/07/2005 | US6903476 Permanent magnet type three-phase stepping motor |
| 06/02/2005 | US20050116678 Stepper motor driving apparatus |
| 05/31/2005 | US6900657 Stall detection circuit and method |
| 05/31/2005 | US6900612 Stepping motor, stepping motor device and driving method thereof |
| 05/26/2005 | US20050111283 Electric circuit |
| 05/26/2005 | US20050110443 Motor stop control device for gaming machine and gaming machine with the same |
| 05/25/2005 | EP1533764A2 Motor stop control device for gaming machine and gaming machine with the same |
| 05/25/2005 | CN1619665A Method of correcitng stepper motor steps of optical disk device |
| 05/25/2005 | CN1618497A Motor stop control device for gaming machine and gaming machine with the same |
| 05/24/2005 | US6897633 Stepping motor driver |
| 05/12/2005 | WO2005043743A2 Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
| 05/12/2005 | WO2005043730A2 A method to reduce midrange resonance during operation of a multi-phase step motor |
| 05/12/2005 | WO2004083968A3 Method and device for adjusting an element |
| 05/11/2005 | CN1615576A Method and apparatus for detecting a stall condition in a stepping motor |
| 05/10/2005 | US6891356 Electric circuit, driving method of having the same, electronic apparatus having the same, personal computer having the same, portable telephone having the same |
| 05/05/2005 | US20050094994 Integrated enclosure and controller for video surveillance camera |