| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 11/03/2011 | US20110267231 Cellular Antenna Phase Shifter Positioning Using Motorized Torque Lever |
| 11/02/2011 | CN202026272U Three-phase stepping motor driver |
| 10/26/2011 | EP1468486B1 Method and apparatus for detecting a stall condition in a stepping motor |
| 10/26/2011 | CN101042899B Optical disk drive |
| 10/26/2011 | CN101042898B Optical disk drive |
| 10/19/2011 | CN202014220U Out-of-step detecting mechanism of stepping motor |
| 10/19/2011 | CN102223124A Device for controlling stepping motor |
| 10/13/2011 | US20110248662 System and method for using a stepper motor as a rotary sensor |
| 10/12/2011 | EP2375560A2 Drive device for use in a laboratory device |
| 10/12/2011 | CN102217189A Micro-stepping reluctance motor |
| 10/06/2011 | US20110242946 Stepping motor control circuit and analog electronic timepiece |
| 10/06/2011 | US20110241597 H-bridge drive circuit for step motor control |
| 10/05/2011 | CN102210093A Method of detecting an operating condition of an electric stepper motor |
| 10/04/2011 | US8030876 Stepper motor device with compensating non-sinusoidal driving values and method of producing the driving values |
| 09/29/2011 | WO2011119770A2 Voltage-controlled stepper motor driver |
| 09/29/2011 | US20110235472 Stepping motor control circuit and analog electronic timepiece |
| 09/29/2011 | US20110234143 Voltage-controlled stepper motor driver |
| 09/28/2011 | CN102201774A Stepping motor control circuit and analog electronic timepiece |
| 09/22/2011 | WO2011113806A1 Controlling a motor of an injection device |
| 09/22/2011 | US20110226125 Electro-mechanical control system for positioning fluid motors |
| 09/22/2011 | CA2792834A1 Controlling a motor of an injection device |
| 09/20/2011 | US8022652 Method for controlling a mechanically communicated electric motor |
| 09/14/2011 | EP2365617A2 Electromagnetic linear step motor |
| 09/14/2011 | CN201976058U 用于反应堆功率调节系统步进电机驱动的切换装置 Reactor power switching device for adjusting the stepper motor drive system |
| 09/14/2011 | CN101008136B Electric machine control device and sewing machine with same |
| 09/07/2011 | EP2363950A2 Actuator system with stepping motor |
| 09/07/2011 | EP2363622A1 Method for operating a valve having a stepper motor as actuator |
| 09/07/2011 | CN101719711B Micro-stepping motor for instruments |
| 09/06/2011 | US8013563 Motor control apparatus |
| 08/31/2011 | CN201956959U 步进电机同步直驱离合的控制单元 Stepper motor synchronous control unit straight expelled together |
| 08/31/2011 | CN102170258A Open loop servo control method based on permanent magnet inductor stepping motor |
| 08/31/2011 | CN101309061B Motor driving circuit |
| 08/24/2011 | CN102164288A Camera and method for switching color mode of camera |
| 08/24/2011 | CN102163949A Stepping motor control circuit and analogue electronic watch |
| 08/18/2011 | WO2011099536A1 Electronic clock |
| 08/18/2011 | US20110199865 Stepping motor control circuit and analogue electronic watch |
| 08/17/2011 | EP2357791A1 Drive control apparatus, image pickup apparatus, and drive control method |
| 08/17/2011 | CN201937531U 一种步进电机的恒转矩驱动电路 A constant torque stepper motor drive circuit |
| 08/17/2011 | CN102158161A Stepping angle compensation method for stepping motor |
| 08/17/2011 | CN101728926B Micro step motor with double driving shafts |
| 08/11/2011 | WO2010015819A3 Micro-stepping reluctance motor |
| 08/04/2011 | US20110188352 Stepping motor control circuit and analogue electronic watch |
| 08/03/2011 | CN201918952U 一种基于直线电机的摆动装置 A linear motor based swing device |
| 08/03/2011 | CN102142805A Stepping motor connection detecting circuit |
| 08/03/2011 | CN102142804A Stepping motor control circuit and analogue electronic watch |
| 07/28/2011 | US20110181229 Apparatus, system and method for stepper motor stall detection |
| 07/27/2011 | CN102136821A System and method for controlling current provided to a stepping motor |
| 07/27/2011 | CN101515779B Apparatus and method of driving stepping motor of analog electronic clock |
| 07/26/2011 | US7986120 Pulse motor control device, control method, control program, and imaging apparatus |
| 07/20/2011 | EP2345148A1 Method of detecting an operating condition of an electric stepper motor |
| 07/14/2011 | US20110169442 Drive apparatus for stepping motor |
| 07/13/2011 | CN201898467U Control system of intelligent water tank fan motor |
| 07/13/2011 | CN201897709U Control device of high-speed spherical video camera holder |
| 07/13/2011 | CN102122913A Controller for hyperfine stepping motor |
| 07/12/2011 | US7977909 Device and method of driving stepping motor of analog electronic clock |
| 07/06/2011 | EP1369986B1 Magnetic motor |
| 07/06/2011 | CN102118128A Control method and device for accurate positioning on stepping motor |
| 07/06/2011 | CN101707466B Stepping motor, non-synchronization detection structure and method for detecting non-synchronization |
| 06/30/2011 | US20110158626 Drive control apparatus, image pickup apparatus, and drive control method which perform micro step drive of stepping motor |
| 06/30/2011 | US20110158054 Stepping motor control circuit and analogue electronic watch |
| 06/30/2011 | US20110156631 Motor drive circuit for rotating a rotor by supplying the currents to two coils |
| 06/30/2011 | US20110156624 Motor drive circuit for driving a synchronous motor |
| 06/29/2011 | CN102111553A Drive control apparatus, image pickup apparatus, and drive control method |
| 06/29/2011 | CN102111099A Motor drive circuit |
| 06/28/2011 | CA2440381C A brushless motor control system |
| 06/23/2011 | US20110148340 Driving circuit of stepping motor |
| 06/22/2011 | DE102010031847A1 Method for transferring position signal and/or path signal from position indicator to receiver for controlling brushless servo motor in motor vehicle, involves transferring path step size from position indicator to receiver |
| 06/22/2011 | CN201878086U Driving and controlling circuit for two-phase hybrid stepper motor array |
| 06/22/2011 | CN201878085U Disconnection detection device for stepping motor |
| 06/22/2011 | CN201878084U Driving and controlling device for stepper motor |
| 06/22/2011 | CN201878083U Power amplifying board of power supply of stepping motor |
| 06/22/2011 | CN201871833U Automatic regulating system for stepping motor processed by electric spark |
| 06/22/2011 | CN102104358A Driving circuit of stepping motor |
| 06/22/2011 | CN102104357A Motor control device and method, impedance matcher and plasma processing equipment |
| 06/16/2011 | US20110141857 Stepping motor control circuit and analogue electronic watch |
| 06/15/2011 | CN201869147U Full-digital step driver based on vector control |
| 06/15/2011 | CN201864899U Fabric draw-off mechanism of computerized flat knitting machine |
| 06/15/2011 | CN102097992A Hydraulic failure treatment method of follow-up system of stepping motor speed regulator |
| 06/15/2011 | CN102097991A Stepping motor driving device and driving method |
| 06/15/2011 | CN101635552B Driver of two-phase stepping motor and drive control method |
| 06/15/2011 | CN101388634B Step motor controlling apparatus |
| 06/15/2011 | CN101309064B Step motor driving circuit |
| 06/15/2011 | CN101021716B Step motor drive circuit and analog electronic timepiece |
| 06/08/2011 | CN201860290U Opto-mechatronics controller circuit for three-dimensional reconstruction |
| 06/08/2011 | CN102088268A Stepping motor drive unit |
| 06/01/2011 | DE10355651B4 Verfahren zur Optimierung des Wirkungsgrades eines unter Last betriebenen Motors Method for optimizing the efficiency of a motor is operated under load |
| 06/01/2011 | CN201854240U High-low voltage driving power supply with continuous current detection |
| 06/01/2011 | CN201854239U Chopping constant current driving power supply |
| 06/01/2011 | CN201854238U High and low voltage switching driving power source |
| 06/01/2011 | CN201854237U Control circuit for startup of stepping motor |
| 06/01/2011 | CN201854176U Driving power supply with frequency modulation and voltage modulation |
| 06/01/2011 | CN102082539A Circuit for increasing chopping frequency of small-internal-resistance stepping motor for spaceflight |
| 05/26/2011 | WO2011060783A2 Method and circuit arrangement for controlling current in motors |
| 05/26/2011 | US20110122733 Stepping motor control circuit and analog electronic timepiece |
| 05/25/2011 | CN101425772B Dynamic data collection system and accurately positioning method for collection position |
| 05/19/2011 | DE102009053564A1 Verfahren und Schaltungsanordnung zur Stromregelung bei Motoren Method and circuit for current regulation in engines |
| 05/18/2011 | EP2321897A2 Micro-stepping reluctance motor |
| 05/18/2011 | CN201834147U Automatic gear-shifting device for bicycle |
| 05/18/2011 | CN102059993A Intelligent instrument panel interface circuit of electric vehicles |
| 05/18/2011 | CN102058984A Dancing robot for education and entertainment |