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