| 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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| 08/05/1997 | US5655054 Motor speed detecting device |
| 07/31/1997 | WO1997027667A1 Arrangement for supplying drive signals to a plurality of windings of a multi-phase d.c. motor, drive system and disk drive |
| 07/31/1997 | DE3448579C2 Electronically controlled fuel-injection unit for combustion engine |
| 07/30/1997 | CN1155781A Motor controller for electronically commutated DC motors in order to compensate for torque drops |
| 07/29/1997 | US5652494 Angle controller for a switched reluctance drive utilizing a high frequency clock |
| 07/24/1997 | WO1997026703A1 High speed bidirectional brushless motor controller using back emf sensing |
| 07/22/1997 | US5650706 Control device for salient pole type permanent magnet motor |
| 07/22/1997 | US5650699 Remote starting circuit and method for brushless DC motor |
| 07/17/1997 | WO1997025768A1 Process for starting an electronically switched direct current motor and a motor for carrying out such a process |
| 07/17/1997 | WO1997025767A1 Motor drive control |
| 07/17/1997 | DE19700479A1 Starting procedure for electrically commutated external rotor two-phase DC motor |
| 07/16/1997 | EP0784378A2 Method for determining the absolute rotor position of in field controlled synchronous machines and device for carrying out this method |
| 07/16/1997 | EP0784377A1 Sensoless switched reluctance motor |
| 07/16/1997 | EP0526660B1 Apparatus for controlling load numerically |
| 07/16/1997 | CN1154598A Method and device for driving DC brushless motor |
| 07/09/1997 | EP0783201A1 Synchronous type electric motor and vehicle equipped with such a motor |
| 07/08/1997 | US5646491 Electrical motor with a differential phase back EMF sensing circuit for sensing rotor position |
| 07/08/1997 | US5646466 Actuating apparatus and actuator |
| 07/03/1997 | WO1997023873A1 Drive system comprising a motor, control means and method for controlling the motor, apparatus for information storage and/or reproduction comprising the drive system |
| 07/03/1997 | WO1997011454A3 Adaptive compensation for hard disc drive spindle motor manufacturing tolerances |
| 07/02/1997 | EP0782247A1 Method and device for the control of a synchronous motor, especially of a motor vehicle |
| 07/02/1997 | EP0781466A1 Circuit and method for the control of a brushless d.c. motor |
| 07/02/1997 | CN1153552A Refrigerating apparatus, and refrigerator control and brushless motor starter used in same |
| 07/02/1997 | CN1153423A Angle controller for switched reluctance drive utilizing high frequency clock |
| 07/01/1997 | US5644203 Brushless motor speed detector |
| 06/26/1997 | DE19650908A1 Electronically commutated motor design |
| 06/25/1997 | EP0780966A2 Sensorless rotor position monitoring in reluctance machines |
| 06/25/1997 | EP0780965A1 Starting method and device for brushless synchronous motors |
| 06/25/1997 | EP0780964A2 Electronically commuted motor |
| 06/25/1997 | EP0780963A1 Quiet commutation circuit for an electric motor |
| 06/25/1997 | EP0780962A2 Electronically commuted motor |
| 06/25/1997 | EP0780033A1 Method and apparatus for minimizing torque ripple in a dc brushless motor using phase current overlap |
| 06/25/1997 | CN1152816A Controller of inverter for electric brush free dc motor |
| 06/24/1997 | US5642461 Economical wide range speed control system |
| 06/24/1997 | US5642009 Quasi square-wave back-EMF permanent magnet AC machines with five or more phases |
| 06/19/1997 | DE19650907A1 Electronically commutated motor |
| 06/18/1997 | CN2256608Y Commutation controller for disc type brushless dc. motor |
| 06/17/1997 | US5640073 Brushless dc motor unit and method of driving the unit |
| 06/12/1997 | WO1997021268A1 Process for controlling a physical quantity, and arrangement for carrying out said process |
| 06/12/1997 | DE19604701C1 Verfahren zur Bestimmung der Anfangs-Rotorlage eines Synchronmotors A method for determining the initial rotor position of a synchronous motor |
| 06/11/1997 | EP0721391A4 A brushless spindle motor for a grinding machine including hydrostatic bearings |
| 06/11/1997 | CN1151627A Small motor |
| 06/10/1997 | US5637974 Method and apparatus for hybrid direct-indirect control of a switched reluctance motor |
| 06/10/1997 | US5637972 Rotor position encoder having features in decodeable angular positions |
| 06/05/1997 | WO1997020382A1 Method of determining the initial rotor position of a synchronous motor |
| 06/05/1997 | WO1997015111A3 A brushless dc motor assembly |
| 06/05/1997 | DE19647983A1 Physical variable control method and device e.g. for electronically commutated electric motor |
| 06/04/1997 | CN1151076A Integrated circuit for controlling information storage disk |
| 06/03/1997 | US5636193 Method and apparatus for reducing vibration on a disk spindle motor by detecting the vibrations and correcting the motor driving signal according to the detected vibration |
| 06/03/1997 | US5635810 Control system for a permanent magnet synchronous motor |
| 05/27/1997 | US5633570 Position feedback control of brushless DC motors from standstill |
| 05/27/1997 | US5633569 Start-up commutation method for a rotating magnetic storage device without back rotation |
| 05/27/1997 | US5633546 Magnetic sensor for switched reluctance motor |
| 05/22/1997 | WO1997018617A1 Method and apparatus for improving the efficiency of a permanent magnet motor |
| 05/21/1997 | EP0774829A2 Circuit with a digital controller for operating a synchronous motor |
| 05/21/1997 | CN1150503A Circuit for controlling electric motor depending on rotor position |
| 05/21/1997 | CN1150352A Speed controlling method for rotary motor and apparatus thereof |
| 05/20/1997 | US5631999 Adaptive compensation for hard disc drive spindle motor manufacturing tolerances |
| 05/20/1997 | US5631817 Load current control of pulse width modulated drive signal including calibration and correction coefficient |
| 05/20/1997 | US5631487 Semiconductor device and motor driver circuit using the same |
| 05/15/1997 | DE19645998A1 Artificial heart using sensorless, brushless DC motor |
| 05/14/1997 | EP0773624A1 Engine control for electronically commutated DC motors to compensate torque notches |
| 05/09/1997 | WO1997016774A1 Motor controlled surgical system |
| 05/09/1997 | CA2233223A1 Motor controlled surgical system |
| 05/06/1997 | US5627444 Switched reluctance motor control |
| 05/06/1997 | US5627441 Apparatus for controlling motor drive and method for controlling thereof |
| 05/06/1997 | CA2038846C Process for the suppression of current peaks during commutation of a brushless direct-current motor |
| 05/02/1997 | EP0771066A1 Rotor position sensing in a dynamoelectric machine using coupling between machine coils |
| 04/30/1997 | CN1148911A Virtual hall-effect signal generating for a brushless sensorless electrical rotary machine |
| 04/30/1997 | CN1148753A Controlling system for permanent-magnet synchronous electric motor |
| 04/29/1997 | US5625424 Digital motor controller for color wheel |
| 04/29/1997 | US5625353 Device for transmitting signals from position detector and method of such signal transmission |
| 04/29/1997 | US5625265 Compact, high efficiency electronic motor controller with isolated gate drive for power transistors |
| 04/29/1997 | US5625264 System for controlling a brushless DC motor |
| 04/24/1997 | WO1997015111A2 A brushless dc motor assembly |
| 04/23/1997 | EP0769851A2 Digital locked loop |
| 04/23/1997 | EP0769843A1 A method and apparatus for controlling static electronic components for phase switching in a three-phase brushless electric motor |
| 04/23/1997 | EP0769220A1 Brushless dc motor using phase timing advancement |
| 04/23/1997 | CN1148448A Method for starting permanent magnet synchronous motor with rotational position detector, and motor controller |
| 04/23/1997 | CN1148168A Method and device for testing original position of electric motor's rotator for ac servo system |
| 04/22/1997 | US5623379 Method of controlling a start-up of a motor used for a disk apparatus |
| 04/16/1997 | EP0544728B1 Generator for amplitude-coupled voltages |
| 04/15/1997 | US5621288 Motor speed regulating circuit with starter and storage medium drive using the same |
| 04/15/1997 | US5619871 Laundry machine |
| 04/10/1997 | WO1997013317A1 Device generating three-phase position detecting signal with two coils |
| 04/10/1997 | DE19537453A1 Two-pole reluctance motor with semiconductor-switched stator winding |
| 04/09/1997 | EP0766885A1 Brushless dc motor control network |
| 04/09/1997 | EP0766537A1 High frequency electric toothbrush |
| 04/08/1997 | US5619112 Bi-directional electric torque motor and driver |
| 04/08/1997 | US5619109 Method and circuitry for drag braking a polyphase DC motor |
| 04/03/1997 | DE19639698A1 Electro-motor excitation system |
| 04/03/1997 | DE19538946C1 Electronically commutated electric motor e.g. for application with motor vehicle roof-mounted panel for fan drive |
| 04/02/1997 | EP0647368B1 Process and device for motor control |
| 04/02/1997 | CN1146660A Electricity-magnetism inverse transformation reaction semiconductor electronic driver |
| 04/02/1997 | CN1146659A Power driving circuit for brushless motor and driving method thereof |
| 04/01/1997 | US5617000 Apparatus for detecting and controlling the rotational position of a motor shaft |
| 04/01/1997 | US5616996 Model reference following commutation circuit and adjusting method thereof |
| 04/01/1997 | US5616995 Systems and methods for controlling a draft inducer for a furnace |
| 04/01/1997 | US5616994 Drive circuit for brushless motor |
| 04/01/1997 | US5616993 Method and apparatus for switching a motor between bipolar and unipolar mode |