| Patents for H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor (19,185) |
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| 03/25/1998 | EP0831578A2 Current feedback for polyphase DC motors |
| 03/24/1998 | US5731677 Integrated circuit for controlling an information storage disk |
| 03/24/1998 | US5731674 Motor with variable edge steepness |
| 03/24/1998 | US5731670 Method for driving a brushless DC electric motor |
| 03/24/1998 | US5731669 Control apparatus for electric vehicle |
| 03/19/1998 | WO1998011662A1 Device for sensing the angular position for controlling a synchronous motor excited by a permanent magnet |
| 03/19/1998 | WO1998011661A1 Brushless electromotor control method |
| 03/19/1998 | DE19637161A1 Verfahren zum Steuern von bürstenlosen Elektromotoren A method of controlling brushless electric motors |
| 03/18/1998 | EP0829951A1 Circuitry and method for controllable slew rate |
| 03/18/1998 | EP0829130A1 Switched reluctance motor with indirect position sensing and magnetic brake |
| 03/18/1998 | CN1176520A Electromechanical transducer comprising two rotors having permanent magnets |
| 03/18/1998 | CN1037798C Servomotor |
| 03/17/1998 | US5729652 System for controlling the speed of a motor driven by an unregulated voltage |
| 03/17/1998 | US5729102 Brushless motor |
| 03/10/1998 | US5726549 Sensor-less control apparatus for permanent magnet synchronous motor |
| 03/10/1998 | US5726543 Sensorless, brushless DC motor start-up circuit using intermittently-accelerated-rate clock |
| 03/04/1998 | EP0827267A1 Flux maximum position determining method for permanent magnet or externally excited synchronous machines and device applying this method |
| 03/03/1998 | US5723967 Method of starting a brushless motor for driving a compressor in a refrigerating cycle |
| 03/03/1998 | US5723957 Method and apparatus for controlling spindle motor |
| 03/03/1998 | US5723858 Position encoder with fault indicator |
| 03/03/1998 | US5722479 Directional electrostatic accretion process employing acoustic droplet formation |
| 02/26/1998 | WO1998008297A1 Synchronous motor driving method, compressor driving method, device for the methods, and brushless dc motor driving device |
| 02/26/1998 | WO1998008291A1 Permanent magnet direct current (pmdc) machine with integral reconfigurable winding control |
| 02/26/1998 | CA2262616A1 Permanent magnet direct current (pmdc) machine with integral reconfigurable winding control |
| 02/25/1998 | EP0825059A2 Controller for driving a permanent magnet type synchronous motor |
| 02/19/1998 | WO1998007089A1 Process and device for monitoring a microprocessor |
| 02/18/1998 | EP0824289A1 Electromechanical transducer featuring two permanent magnet rotors |
| 02/18/1998 | CN1173709A Shaping loop of indication signal |
| 02/18/1998 | CN1037478C Single phase electropically commutated motor system and method |
| 02/12/1998 | WO1998006167A1 Actuation and control method and device, particularly for synchronous permanent-magnet motors |
| 02/12/1998 | CA2262398A1 Actuation and control method and device, particularly for synchronous permanent-magnet motors |
| 02/11/1998 | CN1173229A Adaptive compensation for hard disc drive spindle motor manufacturing tolerances |
| 02/11/1998 | CN1173076A Drive circuit for brushless motor |
| 02/11/1998 | CN1173075A Drive circuit for brushless motor |
| 02/11/1998 | CN1173074A Drive circuit for brushless motor |
| 02/11/1998 | CN1173073A Drive circuit for brushless motor |
| 02/11/1998 | CN1173072A Drive circuit for brucshless motor |
| 02/10/1998 | US5717301 Electric motor assembly |
| 02/10/1998 | US5717299 Apparatus for driving a sensorless motor |
| 02/10/1998 | US5717298 Brushless DC motor start circuit that suppresses field excitation during alternate polyphase commutation states when starting |
| 02/10/1998 | US5717297 Drive circuit for brushless DC motors |
| 02/10/1998 | US5715792 Method for controlling the advance angle of a power engine |
| 02/04/1998 | EP0822651A1 A bemf zero-crossing detection system of a multiple-phase motor |
| 02/04/1998 | EP0822650A2 Control apparatus for a brushless motor |
| 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 | EP0821845A1 Method and apparatus for hybrid direct-indirect control of a switched reluctance motor |
| 01/29/1998 | DE19628586A1 Motorspeiseschaltung und Verfahren zum Ansteuern eines Motors Motor power supply circuit and method for driving a motor |
| 01/28/1998 | EP0820657A1 Switch mode sine wave driver for polyphase brushless permanent magnet motor |
| 01/28/1998 | EP0820255A1 Motor controlled surgical system and method having positional control |
| 01/28/1998 | CN1171865A Economical wide range speed control system |
| 01/27/1998 | US5712551 For use in a refrigerator |
| 01/27/1998 | US5712541 Method and apparatus for actuating synchronous motors |
| 01/27/1998 | US5712540 Control method and apparatus for controlling motors of air conditioner |
| 01/27/1998 | US5712539 Digital acoustic noise reduction in electric motors driven by switching power amplifiers |
| 01/22/1998 | WO1998002960A1 Motor power supply and method for controlling a motor |
| 01/22/1998 | WO1998002959A1 Method for commutating a brushless motor and power supply for a brushless motor |
| 01/22/1998 | DE19628585A1 Verfahren zum Kommutieren eines bürstenlosen Motors und Speiseschaltung für einen bürstenlosen Motor A method for commutating a brushless motor and supply circuit for a brushless motor |
| 01/21/1998 | EP0820140A2 Rotor angular position control of single phase permanent magnet motor |
| 01/21/1998 | EP0730721B1 Electronic control arrangement for motor-driven refrigeration compressors |
| 01/21/1998 | CN1170791A Washing machine |
| 01/20/1998 | US5710493 Circuit and method for alternating current motor constructions |
| 01/15/1998 | WO1998001943A1 Synchronous sampling circuit for a sensorless switched reluctance machine system |
| 01/15/1998 | WO1998001942A1 Absolute angle estimation apparatus for a sensorless switched reluctance machine system |
| 01/15/1998 | CA2260112A1 Absolute angle estimation apparatus for a sensorless switched reluctance machine system |
| 01/15/1998 | CA2260036A1 Synchronous sampling circuit for a sensorless switched reluctance machine system |
| 01/14/1998 | EP0818042A2 Adaptive compensation for hard disc drive spindle motor manufacturing tolerances |
| 01/14/1998 | CN1037054C Servo motor |
| 01/13/1998 | US5708578 PWM inductive load bridge driver for dynamically mixing four and two quadrant chopping during PWM period off time |
| 01/13/1998 | US5708344 Resolver for detecting rotation position on the basis of response current to pulse voltage |
| 01/13/1998 | US5708337 Brushless permanent magnet motor for use in remote locations |
| 01/08/1998 | WO1998000921A2 Apparatus and method for processing signals obtained from a position encoder |
| 01/08/1998 | CA2259191A1 Apparatus and method for processing signals obtained from a position encoder |
| 01/07/1998 | EP0817364A1 Method of determining electrical angle and apparatus for the same |
| 01/07/1998 | EP0815640A1 Arrangement for supplying drive signals to a plurality of windings of a multi-phase d.c. motor, drive system and disk drive |
| 01/07/1998 | EP0815557A1 Drive system comprising a motor, control means and method for controlling the motor, apparatus for information storage and/or reproduction comprising the drive system |
| 12/31/1997 | WO1997050171A1 Control systems for electric motor-generators |
| 12/31/1997 | CN2271776Y Electronic mixing follower |
| 12/30/1997 | US5703768 Motor control apparatus |
| 12/30/1997 | US5703449 Controller for brushless DC motor without position sensor |
| 12/29/1997 | EP0814473A2 Harddisk spindle motor controller with either PWM or linear current control output |
| 12/24/1997 | CN1168568A Protecting device for brushless motor |
| 12/23/1997 | US5701064 Rotor position sensing in a dynamoelectric machine using coupling between machine coils |
| 12/18/1997 | WO1997048178A1 Arrangement with a motor with an electronic commutator |
| 12/18/1997 | WO1997048177A1 Arrangement with an electronically commutated motor |
| 12/17/1997 | EP0813289A1 Rotor position encoder for an electrical machine |
| 12/17/1997 | CN1036747C Device for detecting rotational position of brushless motor |
| 12/16/1997 | US5699240 For driving a polyphase ac motor by power from a power supply |
| 12/11/1997 | WO1997047079A1 Electromotor control device for power steering |
| 12/11/1997 | DE19723222A1 Index signal generator for spindle motor rotation in floppy disc unit |
| 12/10/1997 | EP0812059A1 Control process for a rotary machine, servosystem for carrying out this process and rotary machine with such a system |
| 12/10/1997 | EP0812057A1 Switched reluctance motor provided with rotor position detection |
| 12/10/1997 | EP0812056A1 Switched reluctance motor provided with rotor position detection |
| 12/10/1997 | CN2270317Y Driver for brushless dc motor |
| 12/09/1997 | US5696430 Circuit, motor, and method generating a signal representing back EMF in an energized motor winding |
| 12/06/1997 | CA2208008A1 Process for mechanical control of a rotating machine, system of control for operating the said process, rotating machine equipped with such a system |
| 12/03/1997 | CN1166722A Device for controlling speed of rotating motor |
| 12/02/1997 | US5694010 Method and apparatus for controlling a brushless DC motor |
| 11/26/1997 | EP0809349A1 Fully digital drive system for brushless motor with voltage/current profiles read from a digital memory |
| 11/26/1997 | EP0809346A1 Inverter apparatus for supplying a brushless DC motor with drive power |
| 11/25/1997 | US5691856 Magnetic storage device |