| 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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| 07/21/1998 | US5782610 Method of stopping scroll compressor that is driven by 3-phase DC motor |
| 07/16/1998 | WO1998031092A1 Current-sensing mosfets in paralleled mosfet power circuit |
| 07/14/1998 | US5780989 Method and apparatus for AC servo motor control |
| 07/14/1998 | US5780986 Soft switching, PWM controller and method for reducing torque ripple in multiphase DC motor |
| 07/14/1998 | US5780983 Brushless DC motor drive apparatus |
| 07/07/1998 | US5777449 In an electric motor |
| 07/07/1998 | US5777448 Circuit for controlling brushless DC motor |
| 07/07/1998 | US5777447 Control apparatus for brushless DC motor |
| 07/02/1998 | WO1998028838A1 Power electronic unit for a synchronous motor |
| 07/01/1998 | EP0851571A2 Motor speed control device |
| 07/01/1998 | EP0851570A1 A device for controlling a synchronous electric motor with a permanent magnet rotor |
| 06/30/1998 | US5774302 Spin drive motor for a disk storage device |
| 06/30/1998 | US5773941 Two-wire brushless DC motor control system |
| 06/30/1998 | US5773938 Apparatus for controlling speed of a rotary motor |
| 06/30/1998 | US5773908 Single phase motor with positive torque parking positions |
| 06/25/1998 | DE3348465C2 Washing machine drive using brushless DC motor |
| 06/23/1998 | US5770933 Blower motor with adjustable timing |
| 06/17/1998 | EP0848489A2 Single phase motor for laundering apparatus |
| 06/17/1998 | EP0848488A1 Method of driving a multiphase brushless DC motor and output stage |
| 06/17/1998 | CN2284474Y Full digital a. c permanent-magnet servomotor driving gear |
| 06/17/1998 | CN2284469Y Energy saving a. c brushless motor |
| 06/17/1998 | CN1185056A Method and device for driving DC brushless motor |
| 06/16/1998 | US5767654 Apparatus and method for detecting motor position in PWM operation of a polyphase DC motor |
| 06/16/1998 | US5767643 Commutation delay generator for a multiphase brushless DC motor |
| 06/16/1998 | US5767641 Circuit and method for the actuation of a brushless DC motor |
| 06/16/1998 | US5767640 Brushless motor |
| 06/16/1998 | US5767639 Electronic control system for a brushless electric motor |
| 06/16/1998 | CA2113284C Method and apparatus of operating a dynamoelectric machine using dc bus current profile |
| 06/11/1998 | WO1998025336A2 Arrangement for generating drive signals for a multi-phase d.c. motor, lock detector, drive arrangement and disk drive |
| 06/11/1998 | WO1998025335A1 Sensorless control method and apparatus of permanent magnet synchronous motor |
| 06/10/1998 | EP0847133A1 A capacitively powered motor and constant speed control therefor |
| 06/10/1998 | EP0846951A2 Motor speed control device |
| 06/09/1998 | US5764024 Pulse width modulator (PWM) system with low cost dead time distortion correction |
| 06/09/1998 | US5764020 Method and apparatus for synchronous driving of the phase windings of a DC motor |
| 06/02/1998 | US5761375 Brushless motor speed detection device |
| 06/02/1998 | US5760707 Method of transmitting multiple serial signals |
| 05/28/1998 | WO1998023026A2 Motor control device and apparatus for the recording and/or reproduction of information including the motor control device |
| 05/27/1998 | CN1182971A Electric motor |
| 05/26/1998 | US5757152 Speed control method for brushless DC motor |
| 05/26/1998 | US5757147 Method and apparatus for controlling multiple motor drive of printing machine |
| 05/26/1998 | US5757100 Method & apparatus for reducing cogging torque in an electric motor |
| 05/22/1998 | WO1998021816A1 Method and apparatus for electronically commuting an electric motor |
| 05/20/1998 | EP0843405A2 An electric machine |
| 05/20/1998 | EP0719473B1 Pulse width modulating motor controller |
| 05/20/1998 | DE19749392A1 Strommeßschaltung Current measuring circuit |
| 05/20/1998 | CN2282292Y Brush less DC motor |
| 05/20/1998 | CN1182306A Inverter driving circuit for brushless D. C. motor |
| 05/20/1998 | CN1182305A Motor driving system for driving brushless motor |
| 05/19/1998 | US5754732 Distributed power supply for high frequency PWM motor controller with IGBT switching transistors |
| 05/14/1998 | DE19646497A1 Rotation direction recognition for synchronous machine |
| 05/13/1998 | EP0841744A1 Method for driving a D.C. brushless electric motor |
| 05/13/1998 | EP0841739A1 Brushless DC motor and method for driving the same |
| 05/13/1998 | CN1181849A Switch mode sine wave driver for polyphase brushless permanent magnet motor |
| 05/12/1998 | US5751131 Dynamic rate feedback PM motor starting technique |
| 05/12/1998 | US5751128 Method and apparatus for electronically commuting an electric motor |
| 05/12/1998 | US5751125 Artificial heart with sensorless motor |
| 05/07/1998 | WO1998019386A1 Two-wire brushless dc motor control system |
| 05/06/1998 | EP0840439A1 Amplifier and method for detecting the bemf of a coil of a polyphase sensorless dc motor |
| 05/06/1998 | EP0674781B1 Position control for hybrid servomechanisms |
| 05/06/1998 | CN1180956A Motor control apparatus, and motor drive apparatus and air-condictioner |
| 05/05/1998 | US5747952 Linear motor, apparatus, armature coil current supply circuit for linear motor, and method of supplying current to armature coil of linear motor |
| 05/05/1998 | US5747910 Brushless motor |
| 05/05/1998 | US5747829 Dielectric isolated high voltage semiconductor device |
| 04/30/1998 | WO1998018068A1 Regulating unit for a multiphase direct drive and method of modulating such a drive |
| 04/30/1998 | WO1998018067A1 Regulating unit for a multiphase direct drive and process for controlling such a drive |
| 04/29/1998 | CN2280380Y Mechanism and electricity integrated pulsation type motor |
| 04/28/1998 | US5745316 Phase detector for a recorder/player using a conducting loop driven by a winding strand of the head drum motor |
| 04/28/1998 | US5744928 Digital locked loop |
| 04/28/1998 | US5744921 Control circuit for five-phase brushless DC motor |
| 04/23/1998 | WO1998000921A3 Apparatus and method for processing signals obtained from a position encoder |
| 04/23/1998 | DE19748647A1 Electromagnetic drive system with integral travel signal generation |
| 04/23/1998 | DE19745312A1 Control circuit for brushless, small electronically commutating DC motor |
| 04/23/1998 | DE19643519A1 Regeleinheit für einen mehrphasigen Direktantrieb und Verfahren zur Ansteuerung eines solchen Antriebes Control unit for a multi-phase direct drive and method for controlling such a drive |
| 04/22/1998 | EP0837553A1 Drive circuit for a commutatorless dircet current motor |
| 04/22/1998 | EP0837549A2 PWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the same |
| 04/22/1998 | CN1038173C Motor control unit |
| 04/21/1998 | US5742193 Driver circuit including preslewing circuit for improved slew rate control |
| 04/15/1998 | EP0694203B1 Electric motor, methods for controlling and assembling same |
| 04/14/1998 | US5739652 Method and apparatus for sensorless operation of brushless permanent magnet motors |
| 04/14/1998 | US5739651 Apparatus and method for driving and controlling brushless motor |
| 04/14/1998 | US5739650 Motor system capable of obtaining high efficiency and method for controlling a motor |
| 04/14/1998 | US5739613 Flat three-phase reluctance type motor |
| 04/09/1998 | DE19743321A1 Switched reluctance motor e.g. for electric- or hybrid- vehicles |
| 04/09/1998 | DE19738344A1 Drive circuit for three=phase brushless DC motor e.g. for video cassette recorder or floppy disc drive |
| 04/08/1998 | CN1178412A Absolute angular position calculation apparatus for rotating motor and velocity control apparatus adopting the same |
| 04/07/1998 | US5736916 High frequency pulse transformer for an IGBT gate drive |
| 04/07/1998 | US5736829 High-speed constant-horsepower motor |
| 04/07/1998 | US5736828 Electric machine controller |
| 04/02/1998 | WO1998013824A1 Scanning device and apparatus incorporating said scanning device |
| 04/01/1998 | EP0833438A1 Motor driving device |
| 04/01/1998 | EP0833434A1 Synchronous motor synchronising method and device |
| 04/01/1998 | EP0833433A1 Method and device to control a synchronous electric motor, in particular a vehicle motor fan |
| 04/01/1998 | EP0833240A2 Loop control detection circuit |
| 04/01/1998 | EP0832513A1 Soft switching, pwm controller and method for reducing torque ripple in multiphase dc motor |
| 04/01/1998 | CN2277600Y AC-DC brushless radiating fan motor |
| 04/01/1998 | CN1177758A Control and operation method for rotary machine |
| 03/31/1998 | US5734241 Brake control system of a motor |
| 03/31/1998 | US5734135 Procedure for starting an elevator |
| 03/25/1998 | EP0831580A2 Current controlled drive device for electric commutated permanent magnet motors |
| 03/25/1998 | EP0831579A1 Trim circuitry and method for accuracy improvement in current sensing |