| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 09/29/1998 | US5814964 Stepping motor driving method |
| 09/24/1998 | DE19811007A1 Motor error diagnosis in motor control system |
| 09/24/1998 | DE19808152A1 Positioning element controller for vehicle air conditioner |
| 09/23/1998 | CN1193759A Method for diagnosing motor failure and method for controlling motor operation |
| 09/22/1998 | US5811953 Motor driving circuit and method |
| 09/17/1998 | WO1998040252A1 Device and method for controlling windscreen wipers |
| 09/17/1998 | DE19710099A1 Vorrichtung und Verfahren zur Steuerung von Scheibenwischern Apparatus and method for control of windscreen wipers |
| 09/16/1998 | CN2291749Y Step-by-step linear electric motor driver controlled by one-chip computer |
| 09/16/1998 | CN1193133A Control device for step-by-step motor, and control method and timing device thereof |
| 09/09/1998 | EP0863382A1 Device for driving stepping motor-type instrument |
| 09/09/1998 | EP0862811A1 Open-loop step motor control system |
| 09/09/1998 | CN1039761C Dividing driving circuit for step motor |
| 09/02/1998 | CN2290150Y Constant-current chopper step-by-step electric machine driver |
| 08/27/1998 | WO1998037624A2 Direct drive with internal sensors and a control device |
| 08/25/1998 | US5798626 For supplying a control signal to a motor |
| 08/20/1998 | DE19704296A1 Verfahren und Vorrichtung zur Schrittmotoransteuerung Method and apparatus for stepper motor control |
| 08/19/1998 | EP0859295A1 Stepping motor control device and method thereof and timepiece |
| 08/19/1998 | EP0859294A1 Control device for stepping motor, control method for the same, and timing device |
| 08/19/1998 | CN1190755A Step motor controller, control method and timing device |
| 08/13/1998 | WO1998035436A1 Method and device for controlling a stepping motor |
| 08/11/1998 | US5793834 Method for detecting position of linear stepping motor and apparatus therefor |
| 08/11/1998 | US5793177 Adaptable media motor feed system for printing mechanisms |
| 08/05/1998 | EP0856939A1 Rotation driving system improved in detection of a rotation angle of a stepping motor |
| 08/05/1998 | EP0856846A2 Motor drive method and drive circuit |
| 07/29/1998 | EP0855298A1 Rotation driving system simple in structure and capable of reliably detecting abnormal rotation of a stepping motor |
| 07/23/1998 | DE19701883A1 Device for detecting step-asynchronism and blocking of stepper- or synchronous-motor |
| 07/22/1998 | CN1188539A Device for driving stepper motor type measuring instrument |
| 07/21/1998 | US5783939 Stepper motor gauge calibration by AC feedback |
| 07/08/1998 | EP0851975A1 Method and device for controlling an actuator element |
| 07/07/1998 | CA2044569C Stepper motor throttle controller |
| 07/01/1998 | CN2285535Y Electric wheel-driving device |
| 06/30/1998 | US5774426 Method and device for feeding a single-phase stepping motor |
| 06/23/1998 | US5771166 Asymmetrical bridge inverter circuit for driving a switched reluctance motor |
| 06/23/1998 | US5770937 Stepping motor driving device |
| 06/17/1998 | EP0848376A2 Microstep driving of an optical head after a track jump |
| 06/17/1998 | CN2284474Y Full digital a. c permanent-magnet servomotor driving gear |
| 06/16/1998 | US5767651 Device for driving a positioning element by means of a stepping motor |
| 06/09/1998 | US5762384 Vehicle door lock with a centrally-operated locking unit |
| 06/04/1998 | WO1998024169A1 Stepping motor |
| 06/04/1998 | DE19752248A1 Micro-step control device for stepper motor e.g. for driving magnetic recording head of magnetic disc device |
| 05/20/1998 | DE19645873A1 Arrangement for monitoring the reference position of a rotor of a planar stepper motor |
| 05/19/1998 | US5754025 Iron core motor device |
| 05/13/1998 | CN2281614Y Three level driving device for stepmotor |
| 04/30/1998 | WO1998018200A1 Stepping motor control, and operating mode of such motors |
| 04/29/1998 | EP0838895A1 Vehicle stepper motor control, especially for steering a headlamp |
| 04/28/1998 | US5744929 Stepping motor drive control device for an electronic apparatus |
| 04/28/1998 | US5744922 Current regulator |
| 04/22/1998 | EP0837554A2 Method and apparatus for driving a stepping motor |
| 04/14/1998 | US5739661 Stepping motor driver |
| 04/14/1998 | US5739647 Multi-rotor electromechanical transducer and method for controlling such a transducer |
| 04/08/1998 | EP0834405A2 Recording apparatus |
| 04/01/1998 | EP0833439A1 Synchronous driving method for inductive load and synchronous controller for h-bridge circuit |
| 04/01/1998 | EP0833438A1 Motor driving device |
| 04/01/1998 | EP0833131A1 Device for driving stepper motor type measuring instrument |
| 04/01/1998 | EP0832514A1 Method of actuating a step motor and suitable device |
| 04/01/1998 | CN1177860A Control method for step-by-step motor |
| 04/01/1998 | CN1177859A Controllor for step-by-step motor |
| 04/01/1998 | CN1037925C Method for driving step-by-step motor |
| 03/25/1998 | EP0831581A2 Stepping motor controller |
| 03/18/1998 | CN1176520A Electromechanical transducer comprising two rotors having permanent magnets |
| 03/10/1998 | US5727216 Signal processor |
| 03/03/1998 | US5723964 Method and device for controlling step motor |
| 02/26/1998 | DE19633740A1 System for controlling self-clocked stepping motor e.g. of printer |
| 02/25/1998 | EP0825708A2 Stepping motor control device |
| 02/18/1998 | EP0824289A1 Electromechanical transducer featuring two permanent magnet rotors |
| 02/05/1998 | WO1998005116A1 Sensorless step recognition process for stepping motors |
| 02/05/1998 | DE19653460A1 Verfahren zur sensorlosen Schritterkennung bei Schrittmotoren Method for sensorless detection step for step motors |
| 02/04/1998 | EP0822649A1 Reconstruction of BEMF signals for synchronizing the driving of brushless-sensorless motors by means of redefine driving signals |
| 02/04/1998 | CN1172377A Method for driving step-by-step motor |
| 02/03/1998 | US5714813 Return-to-origin mechanism in motor actuator |
| 01/28/1998 | EP0820255A1 Motor controlled surgical system and method having positional control |
| 01/28/1998 | CN1171648A Switch governor motor |
| 01/20/1998 | US5710499 Stepper motor control circuit and method |
| 01/14/1998 | EP0818876A2 Stepping motor control system |
| 01/13/1998 | US5708339 For securing a bundle of gathered material |
| 01/08/1998 | WO1998000684A1 Device for driving stepping motor-type instrument |
| 01/08/1998 | WO1998000637A1 Inductive load driving device and driving method |
| 01/06/1998 | US5705908 Drive unit and a motor drive control method |
| 12/31/1997 | CN2271777Y Stepping motor driving device for computerized bronzine machine |
| 12/30/1997 | US5703455 Control device for a stepping motor included in an electronic apparatus |
| 12/30/1997 | US5703454 Image reading device for scanning a document in first and second modes |
| 12/11/1997 | WO1997047075A1 Piezoelectric linear step motor |
| 12/11/1997 | DE19723933A1 Stepper motor drive e.g. for vehicle IC engine throttle valves, steering wheel rake and height adjustment drive, seat adjuster etc |
| 12/02/1997 | US5692358 Bag neck tying device |
| 11/27/1997 | DE19721282A1 Verfahren zum Treiben eines Schrittmotors A method of driving a stepping motor |
| 11/25/1997 | US5691613 Method for determining a rotor position of a rotary motor or linear motor, and circuit arrangement for carrying out the method |
| 11/25/1997 | US5690440 Controller for serial printer carriage |
| 11/25/1997 | CA2094748C Mixed mode stepper motor controller and method |
| 11/11/1997 | US5686803 Control apparatus for a pulse motor |
| 10/16/1997 | WO1997038487A1 Motor driving device |
| 10/16/1997 | WO1997038285A1 Device for driving stepper motor type measuring instrument |
| 10/15/1997 | EP0801462A1 Device generating three-phase position detecting signal with two coils |
| 10/09/1997 | WO1997037425A1 System for detecting abutment and blocking in a stepped motor |
| 10/09/1997 | WO1997037416A1 Process for detecting abutment and blocking in an electric motor |
| 10/07/1997 | US5674169 Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means |
| 10/02/1997 | DE19612597A1 Anschlags- und Blockiererkennung bei einem Schrittmotor Stop and jamming detection in a stepper motor |
| 10/02/1997 | DE19612596A1 Anschlags- und Blockiererkennung bei einem Elektromotor Stop and jamming detection in an electric motor |
| 09/23/1997 | US5670855 Motor control device |
| 09/23/1997 | US5670852 Pump motor and motor control |
| 09/17/1997 | CN1159672A Multi-rotator electromechanical converter and method for control it |