| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
|---|
| 11/21/2000 | US6150788 Load torque detection and drive current optimization determination met |
| 11/21/2000 | US6150782 Process for detecting abutment and blocking in an electric motor |
| 11/21/2000 | US6150750 Piezoelectric linear step motor |
| 11/14/2000 | US6147832 Floppy disk drive with PWM control |
| 11/07/2000 | US6144184 Motor controlling method and apparatus |
| 11/01/2000 | CN1271994A Step electric machine control method and device for implementing said method |
| 10/31/2000 | US6141110 Image forming apparatus and method for controlling multi-phase stepping motor for use in image forming apparatus |
| 10/31/2000 | US6140793 Stepper motor controller for microstepping a stepper motor and a method for microstepping a stepper motor |
| 10/31/2000 | US6140792 Motor drive control apparatus and method, and image forming apparatus using the method |
| 10/26/2000 | DE10015894A1 Excitation controller for an electrical motor, comprises data entry device for acquiring rotational angle, memory for storing control data and controller that receives values for causing first and second torque values |
| 10/23/2000 | CA2302171A1 Method for controlling a stepping motor and device for implementing such method |
| 10/18/2000 | EP1045512A1 Stepper motor with driving circuit and arrangement with stepper motor |
| 10/18/2000 | CN1270443A Stepping motor with control circuit and apparatus equipped therewith |
| 10/12/2000 | CA2303606A1 Stepping motor with an electrical activation circuit and arrangement with a stepping motor |
| 10/04/2000 | EP1041708A2 Step motor driving device |
| 10/03/2000 | US6127796 Method and device for driving a self-timing stepping motor |
| 10/03/2000 | US6126593 Device for controlling an amount of light of a lighting unit for an endoscope |
| 09/26/2000 | US6124696 Programmable stepper motor controller and method therefor |
| 09/20/2000 | CN2397671Y Damping noise silencer |
| 09/19/2000 | US6121745 Direct current command generation for a stepper motor drive |
| 09/19/2000 | US6121744 Control apparatus for position control motor |
| 09/12/2000 | US6118945 Lens control apparatus |
| 09/12/2000 | US6118246 Phase synchronization of redundant motor windings |
| 09/05/2000 | US6114826 Stepping motor driving apparatus having small time constant regenerative current path |
| 08/31/2000 | DE10006648A1 Detecting load torque and determining stepper motor drive current optimization involves setting drive current amplitude to bring measured transition voltage duration into agreement with target duration |
| 08/30/2000 | EP1032118A1 Stepper motor driver, method of driving stepper motor, timer, and method of controlling timer |
| 08/29/2000 | US6111383 Controller for feeding chopped electricity |
| 08/29/2000 | US6111380 System for detecting abutment and blocking in a stepped motor |
| 08/25/2000 | CA2263378A1 Open and closed loop control for stepper motors |
| 08/23/2000 | EP1030437A2 Method and apparatus for controlling a servo motor using a stepper motor controller integrated circuit |
| 08/23/2000 | CN1264214A Method and equipment for control actuating motor with integral cirucit of motor controller |
| 08/22/2000 | US6108279 Stepping motor control device and method thereof and timepiece |
| 08/22/2000 | US6107772 Sensorless switched reluctance motor control |
| 08/10/2000 | DE19950482A1 Stepper motor controller e.g. for duplex printing device, has memory unit that stores drive data for generating stepper motor drive phase signal in each control circuit and many control circuits use stored drive data in common |
| 08/09/2000 | CN1262810A Stepping motor control device and optical head drive device |
| 08/09/2000 | CN1055356C Method for stopping starting and controlling step-by-step motor |
| 08/08/2000 | US6100662 Step motor stabilization control |
| 08/01/2000 | US6097126 Three-phrase reluctance motor |
| 07/19/2000 | EP1020021A1 Motor control apparatus |
| 07/18/2000 | US6091221 Motor driving apparatus for perfoming high-speed rotation by phase detection control |
| 07/11/2000 | CA2068466C A method of calibrating a step motor |
| 07/06/2000 | DE10000125A1 Electric stepping motor drive control method involves using microprocessor for direct generation of stepping motor current values using stored function table |
| 07/05/2000 | EP1016591A1 Ribbon sensing device for bag tyer |
| 06/20/2000 | US6078457 Driving method for a stepping motor |
| 06/13/2000 | US6073689 Actuator control apparatus |
| 06/08/2000 | DE4200607C2 Verfahren und Schaltungsanordnung zur Steuerung eines Schrittmotors in einem elektronischen Aufzeichnungsgerät Method and circuit for controlling a stepper motor in an electronic recording device |
| 06/07/2000 | CN1255434A Driving method for driven object, and driving device and printer of using same |
| 06/06/2000 | US6072656 Stepping motor control method |
| 05/30/2000 | US6067960 Method and device for controlling the volume of intake air for an engine |
| 05/25/2000 | WO2000030244A1 Stepping motor control device |
| 05/23/2000 | US6066930 Synchronous driving method for inductive load and synchronous controller for H-bridge circuit |
| 05/23/2000 | US6065231 Motor drive method and drive circuit |
| 05/17/2000 | CN1052587C Chip microprocessor accurately controlled stepping motor system |
| 05/16/2000 | US6064171 Host based stepper motor phase controller and method therefor |
| 05/11/2000 | DE19938120A1 System mit Motorsteuerung unter Verwendung mehrerer Zeitgebungssignalgeneratoren System with motor control using multiple Zeitgebungssignalgeneratoren |
| 05/09/2000 | US6060857 Stepper motor controller |
| 05/02/2000 | US6057722 Pulse signal generation device for generating and outputting pulse signal without error synchronized with signal of fixed cycle |
| 05/02/2000 | CA2047230C Peristaltic pump motor drive |
| 04/27/2000 | DE19945511A1 Stepper motor control system for image printer medium movement uses time delay unit and paper sensor to reduce microprocessor requirements |
| 04/25/2000 | US6054835 Stepping motor control, and operating mode of such motors |
| 04/25/2000 | US6054834 Control system for a step motor and method thereof |
| 04/18/2000 | US6051950 Positional determination device using a stepping motor |
| 04/12/2000 | EP0992397A1 Controlling device for an electric step motor in an vehicle |
| 04/11/2000 | US6049184 Method and arrangement for controlling a current |
| 04/04/2000 | US6046567 Stepper motor drive system |
| 03/30/2000 | WO2000018001A1 Nominal current generating device |
| 03/30/2000 | DE19842698A1 Sollstromerzeugungsvorrichtung Nominal power generating device |
| 03/29/2000 | EP0870359B1 Digital frequency generator |
| 03/29/2000 | CN2371725Y Automatic scanner of frequency change controlling laser for steping motor |
| 03/23/2000 | WO2000016472A1 Stepper motor driver, method of driving stepper motor, timer, and method of controlling timer |
| 03/21/2000 | US6040677 Apparatus for driving stepper motor of camera |
| 03/21/2000 | US6040676 Passive electronic damping for step motor |
| 03/08/2000 | CN1246754A Step-by-step motor driving device |
| 03/07/2000 | US6034501 Device for driving stepper motor type measuring instrument |
| 03/07/2000 | US6034500 Stepping motor control apparatus |
| 03/01/2000 | EP0982846A1 Process and device for controlling a stepper motor |
| 03/01/2000 | CN1245996A Method for controlling stepper motor and its device |
| 02/22/2000 | US6029010 Optical unit controller |
| 02/22/2000 | US6028412 Digital frequency generator |
| 02/15/2000 | US6025690 Method and device for controlling a stepping motor |
| 02/15/2000 | US6025660 Electromechanical transducer comprising two rotors having permanent magnets |
| 02/02/2000 | EP0977350A2 Method for compensating for positional error inherent to stepper motors running in microstepping mode |
| 01/27/2000 | DE19925451A1 Motor vehicle air conditioning system stepper motor driver has changeover stages controlled so stimulation coils are supplied with stimulation current in one direction and in opposite direction |
| 01/26/2000 | EP0851975B1 Method and device for controlling an actuator element |
| 01/20/2000 | DE19831502A1 Control method for displacement or angle setting device in automobile e.g. for continuously variable drive transmission |
| 01/18/2000 | US6016044 Open-loop step motor control system |
| 01/12/2000 | CN1241323A Electronic device |
| 01/11/2000 | US6014075 Indicating instrument having stepping motor |
| 01/11/2000 | US6014000 System with motor control using multiple timing signal generators |
| 01/11/2000 | US6013999 Stepper motor control that adjusts to motor loading |
| 01/11/2000 | US6013998 Method for compensating for positional error inherent to stepper motors running in microstepping mode |
| 01/04/2000 | US6011369 Device and method for controlling windscreen wipers |
| 12/28/1999 | US6009292 Image reader |
| 12/14/1999 | US6002601 Sharing of external components for the control of the switching dead-time of a plurality of integrated devices cooperating in driving an R-L multi-phase actuator |
| 12/07/1999 | US5998956 Recording apparatus |
| 12/07/1999 | US5998955 Pulse-motor driving apparatus |
| 11/30/1999 | US5994893 Driving apparatus for stepping motor type instrument |
| 11/25/1999 | DE19821835A1 Concentric multiple rotational drive assembly for use in dial type measurement displays |
| 11/24/1999 | EP0958651A1 Method and device for controlling a stepping motor |
| 11/23/1999 | US5990651 Stepping motor drive apparatus and stepping motor |