Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097)
09/2012
09/20/2012WO2012123393A1 Display device having a stepper motor and a watchdog timer
09/20/2012WO2012122895A2 Multiple-frequency inversion method and control apparatus for internal-combustion driven generator
09/19/2012CN202444459U Stepping motor driver with input and output control
09/19/2012CN102684585A Method for controlling multiple two-phase stepping motors in real time
09/19/2012CN102684584A Remote stepping motor control system based on Ethernet
09/19/2012CN101803173B Motor drive device
09/13/2012WO2012121902A1 Single phase motor energy economizer for regulating the use of electricity
09/12/2012CN102664576A Micro-step control method, device and stepping motor controller
09/05/2012CN202419078U Bluetooth-controlled electric panorama head
09/05/2012CN101789743B Positioning system of a programmable logic controller
09/05/2012CN101594111B Step motor controller
08/2012
08/29/2012EP2491645A1 Stepper motor controller
08/29/2012CN101902192B Direct automatic control method of hybrid stepper motor
08/22/2012CN202395716U Drive circuit for stepping motor
08/22/2012CN202395709U Driving device of motor
08/22/2012CN102647136A Stepping motor control system and stepping motor control method
08/22/2012CN102644789A Control of stepper motor operated gas valve
08/22/2012CN101841295B Linear motor motion control method based on fixed-step speed measurement
08/15/2012EP2487549A1 Electronic watch
08/15/2012CN102005997B Device and method for driving and controlling stepper motor
08/14/2012US8242732 Apparatus, system and method for stepper motor stall detection
08/09/2012US20120200249 Two-phase permanent magnet step motor for motion control
08/08/2012CN101632218B Wireless rotisserie
08/02/2012WO2012102232A1 Drive circuit for stepping motor, integrated circuit for same and electronic device comprising same, and control method for stepping motor drive circuit
08/02/2012DE19544526B4 Anzeigevorrichtung mit einem von einem Schrittmotor angetriebenen Zeiger Display device having a pointer driven by a stepping motor
08/01/2012CN202364175U Stepping booster system based on PLC control
08/01/2012CN202355224U Control circuit of automatic pressure releasing device of soybean milk making machine
08/01/2012CN102624308A Integrated control driver of stepping motor and control driving method
08/01/2012CN102624307A Constant torque driving method and driving circuit of stepping motor
08/01/2012CN102620245A Stage light image cutting system and transmission control system used for same
07/2012
07/26/2012WO2012098593A1 Inductive load drive device
07/26/2012WO2011073742A3 Stepper motor stall detection
07/26/2012WO2011026489A3 Method and circuit arrangement for sensorless engine load detection and for controlling the motor current in accordance with the load value in stepper motors
07/25/2012EP2479827A1 Fuel cell system
07/25/2012CN202353511U Driver for extra-high subdivision stepping motor
07/25/2012CN102611373A Method and device for controlling stepper motor and impedance matcher
07/25/2012CN102611372A Method and system for acquiring feedback current of driver of stepping motor
07/25/2012CN102059993B Intelligent instrument panel interface circuit of electric vehicles
07/25/2012CN101971108B Electronic watch
07/25/2012CN101626218B Driving signal output circuit and multi chip package
07/25/2012CN101420200B General speed controller for electricity generator
07/19/2012US20120182840 Motor drive device, timepiece device, and electronic device
07/18/2012EP2477323A2 Drive circuit and drive method of a stepping motor
07/18/2012CN102594236A Control system of stepping motor and control method thereof
07/18/2012CN102594235A Drive circuit and drive method of a stepping motor
07/18/2012CN102588718A Electric panoramic tripod head with Bluetooth control function and control method
07/18/2012CN101951215B Electric boot removing device
07/11/2012EP2474089A2 Method and circuit arrangement for sensorless engine load detection and for controlling the motor current in accordance with the load value in stepper motors
07/11/2012CN102577087A Stepper motor controller
07/11/2012CN102576215A Electronic watch
07/11/2012CN102564463A Encoder, servo unit, and position data calculating method
07/11/2012CN102560916A Control device of sewing machine and sewing machine
07/04/2012CN102545753A Stepping motor array control system and control method thereof
07/04/2012CN102545752A Protective circuit of stepping motor driving circuit
07/04/2012CN102545751A Stepping motor driving circuit
07/04/2012CN102545750A Control method and control device of stepping motor, matcher and plasma processing device
07/04/2012CN102540862A Analogue electronic timepiece
07/04/2012CN102043378B Reverse drive method for pointer type electronic timekeeper stepping motor
07/04/2012CN101459403B Drive signal generation circuit
07/04/2012CN101043195B Stepping motor control apparatus
07/03/2012DE202012101163U1 Vorrichtung zur Drehmoment Verbesserung von Encoder-gesteuerten Schrittmotoren Apparatus for torque improvement of encoder-controlled stepping motors
06/2012
06/28/2012WO2012083891A1 Linear reciprocating device and location controlling method thereof
06/27/2012EP2467932A2 Device and method for actuating and diagnosing stepper motors
06/27/2012CN102522934A Stepping motor drive circuit and control method thereof
06/26/2012CA2392082C Digital current ramping to reduce audible noise in stepper motor
06/21/2012US20120153886 Method and circuit arrangement for sensorless engine load detection and for controlling the motor current in accordance with the load value in stepper motors
06/21/2012DE102010055157A1 Etikettiervorrichtung Labeling
06/21/2012DE102010054603A1 Electro-mechanical angular position control device for position-stabilized camera platforms, has stator that is provided with smooth soft magnetic ring for guiding magnetic flux generated by angle sensor
06/19/2012US8203301 Temperature monitoring system for the entire region of environment
06/14/2012DE10135417B4 Meßgerät mit einer Einstellfunktion für eine Zeiger-Nullstellung Meter with a setting function for a pointer-zero
06/07/2012US20120139469 Levitated micro-manipulator system
06/07/2012US20120139454 Device and method for actuating and diagnosing stepper motors
06/06/2012CN202268837U 防步进电机掉步的码盘装置 Anti-swap disk drive stepper motor step code
06/06/2012CN101865697B Minitype two-axle rotating table based on stepping motor
05/2012
05/30/2012CN202261141U Intelligent driving system of stepping motor
05/30/2012CN102023562B Analog electronic timepiece and stepping motor driving method
05/30/2012CN101969291B System-on-chip driver of high-subdivision multi-path stepping motor
05/30/2012CN101689824B Calibrating stepper motor by driving fractional ranges
05/30/2012CN101237207B Integrated circuit for driving motor
05/30/2012CN101127519B Electric circuit
05/24/2012DE102006021418B4 Verfahren zur Steuerung eines Schrittmotors und zum Erkennen einer Blockierung A method for controlling a stepper motor and for detecting a blockage
05/23/2012CN202231661U Driving circuit of stepping motor, driver and stepping motor
05/23/2012CN202231660U Self-driven type closed-loop stepping motor
05/23/2012CN102468796A 步进电动机的驱动装置 Stepper motor drive apparatus
05/23/2012CN101980089B Control device for high-speed dome camera holder
05/23/2012CN101741304B CPLD-based multi-subdivision high-speed constant-torque controller of two-phase hybrid stepping motor
05/23/2012CN101373947B Method, apparatus and system for controlling stepper motor speed
05/16/2012CN202221974U Step motor controller based on CPLD
05/16/2012CN102457222A 基于单片机及vc++的步进电机控制装置 Microcontroller based stepper motor control devices and the vc ++
05/15/2012US8179081 Driver circuit
05/10/2012US20120112682 Method for detecting blockages of electrically commutated electric motors
05/10/2012DE102011000569A1 Verfahren und Schaltungsanordnung zur sensorlosen Motorlasterfassung und zur lastwertabhängigen Motorstromregelung bei einem Schrittmotor Method and circuit for sensorless motor load sensing and load-value-dependent motor current control in a stepper motor
05/09/2012CN102447437A Music fountain device
05/09/2012CN101753085B Step motor controlled driving circuit
05/08/2012US8174223 Method of detecting state of synchronization loss in stepping motor
05/03/2012US20120104985 Stepping motor drive unit
05/03/2012DE102010042491A1 Pumpeneinrichtung für ein Hausgerät, Hausgerät und Verfahren zum Betreiben eines Antriebsmotors Pump means for a domestic appliance, the domestic appliance and method for operating a drive motor
05/02/2012CN202210772U Large power stepping motor driving device
05/02/2012CN101453186B Control circuit for synchronous operation of two or more stepping motors
05/01/2012CA2749071A1 Motor radian counter logic: controls the motor, the intermediate and the load clutches
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