| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 12/12/2000 | US6158553 Curtailed operation of multiple-wound induction motor following inverter failure |
| 12/07/2000 | WO2000074222A1 H-type bridge circuit and integrated circuit |
| 12/07/2000 | DE19922977A1 Verfahren zum Ansteuern mindestens eines induktiven Verbrauchers mittels pulsweitenmodulierter Steuersignale A method for controlling at least one inductive load by means of pulse width modulated control signals |
| 12/05/2000 | US6157152 Motor drive system and power window system |
| 11/29/2000 | EP1055131A2 System for removing spurious signatures in motor current signature analysis |
| 11/29/2000 | CN1059057C Quasi-superconductor speed stabilizing system |
| 11/28/2000 | US6154351 Apparatus for detecting abnormality in direct current motor driving system |
| 11/28/2000 | US6153990 Relay circuit for high-voltage operation of a bi-directional DC motor |
| 11/28/2000 | US6153952 DC torque motor, and drive control apparatus and throttle valve control apparatus using DC torque motor |
| 11/23/2000 | WO2000070738A2 Method for controlling at least one inductive consumer by means of a pulse width modulated control signal |
| 11/22/2000 | CN1058818C Circuit for driving electric motor |
| 11/21/2000 | US6150777 Printing mechanism having a direct current motor with imbalanced winding for closed-loop feedback control |
| 11/16/2000 | DE19921344A1 Drive for adjustment device e.g. on reclining furniture, has circuit containing switch that causes short circuit of motor circuit when activated by control drive reaches end position |
| 11/09/2000 | WO2000067254A1 Motion control system |
| 11/08/2000 | CN1272671A Motion control system |
| 11/07/2000 | US6145098 System for displaying system status |
| 11/07/2000 | US6144235 Control circuit for a motor-operated switch |
| 11/07/2000 | US6144179 Method for establishing the rotational speed of mechanically commutated d.c. motors |
| 11/02/2000 | EP1049242A2 DC motor driving apparatus |
| 11/01/2000 | CN2404266Y Intelligent electric operator |
| 11/01/2000 | CN2404265Y Electronic compensated governor for electric power tool |
| 10/31/2000 | US6141494 DC motor driven power steering system for a motor vehicle |
| 10/26/2000 | WO2000064040A1 Speed regulator for modulating pulse width in direct current motors |
| 10/24/2000 | US6135718 Interface apparatus for fan monitoring and control |
| 10/17/2000 | US6131692 Electric power steering controller |
| 10/12/2000 | WO2000060422A1 Door operator system |
| 10/12/2000 | WO2000021188A3 Device for controlling engine speed |
| 10/12/2000 | DE19914654A1 Circuit for pulse width modulated driving of electrical load |
| 10/11/2000 | CN2400967Y Driving circuit for electric screwdriver |
| 10/11/2000 | CN2400966Y 智能电机控制器 Intelligent Motor Controller |
| 10/11/2000 | CN1269631A DC motor rotation speed adjusting method |
| 10/05/2000 | WO2000059114A1 Method and apparatus for providing pulse width modulation |
| 10/05/2000 | WO2000059102A1 Circuit for the pulse width-modulated control of an electrical consumer |
| 10/05/2000 | DE19914904A1 Startvorrichtung zum Andrehen einer Brennkraftmaschine Starter for cranking an internal combustion engine |
| 10/05/2000 | CA2380705A1 Method and apparatus for providing pulse width modulation |
| 10/04/2000 | EP1041275A1 Start device for starting an internal combustion engine |
| 10/03/2000 | US6128437 Digital control for revolving speed of DC motor |
| 10/03/2000 | US6127820 Process and circuit arrangement for determining the speed of a D.C. motor without a speedsensor |
| 09/28/2000 | WO2000029902A3 System for removing spurious signatures in motor current signature analysis |
| 09/26/2000 | US6124751 Boost capacitor for an H-bridge integrated circuit motor controller having matching characteristics with that of the low-side switching devices of the bridge |
| 09/20/2000 | EP1037374A2 Interface module for motor control system |
| 09/20/2000 | EP1037371A2 Motor drive control with low current limitation value |
| 09/20/2000 | EP1037370A2 Motor drive control with excess current period timer resetting |
| 09/20/2000 | EP1037052A1 Rotational pulse generating circuit for commutator DC motors |
| 09/20/2000 | CN1267126A Interface module for electric machine control system |
| 09/13/2000 | EP1034950A2 Control device for heating or air conditioning apparatus of a motor vehicle |
| 09/12/2000 | US6119046 Method of controlling a chopper driver and a circuit arrangement for executing the method |
| 09/12/2000 | US6118243 Door operator system |
| 09/12/2000 | US6118239 Speed control drive circuit for blower motor |
| 09/07/2000 | DE19857978C1 Verfahren und Vorrichtung zum Betreiben eines Stellantriebes eines Kraftfahrzeuges mit unterschiedlichen Bordnetzspannungen Method and apparatus for operating an actuator of a motor vehicle with different electrical system voltages |
| 09/05/2000 | US6114819 Automotive convertible top system for an automobile |
| 08/31/2000 | DE19906231A1 Multi-stage revolution rate control circuit for d.c. motor, compares modified input voltage with reference voltages to produce digital signals that collectively form input digital signal set |
| 08/30/2000 | EP1031182A2 Method and circuit for generating a pulse-width modulated actuating signal for a direct current actuator |
| 08/30/2000 | CN1056022C DC motor control circuit |
| 08/29/2000 | US6111383 Controller for feeding chopped electricity |
| 08/29/2000 | US6111378 Window wiper motor system for an automotive vehicle |
| 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 |
| 08/23/2000 | CN1055809C Speed control apparatus for switched reluctance motor |
| 08/22/2000 | US6107926 Load short-circuit failure detection method and apparatus and electric power steering device |
| 08/16/2000 | EP1028521A2 Circuitry for determining actuator position |
| 08/16/2000 | EP1027760A1 Control circuit for a motor-operated switch |
| 08/15/2000 | US6104159 Field weakening control method in induction motor |
| 08/09/2000 | CN2391379Y Controller for DC electric machine |
| 07/27/2000 | DE19858697A1 Verfahren und Schaltungsanordnung zur Überwachung des Betriebszustandes einer Last Method and circuit for monitoring the operating state of a load |
| 07/25/2000 | US6094021 Motor drive apparatus |
| 07/20/2000 | DE10000020A1 Integrated gate driver circuit for energizing power semiconductor components with MOS gate control, has time delay circuit |
| 07/19/2000 | EP1020021A1 Motor control apparatus |
| 07/19/2000 | EP1020017A1 Separately excited dc motor with boost and de-boost control |
| 07/19/2000 | CN2388774Y Frequency-changing speed regulator cabinet |
| 07/19/2000 | CN2388773Y Electric regulating exciting device for digging machine |
| 07/18/2000 | US6091887 Method and apparatus for controlling a physical parameter |
| 07/05/2000 | CN1258959A Controller for DC electrical motor and controlling method for DC motor |
| 06/29/2000 | WO2000038311A1 Motor control circuit for regulating a d.c. motor |
| 06/28/2000 | EP1014556A1 Control of switched reluctance machines |
| 06/28/2000 | EP1014543A2 Series motor with commutator |
| 06/28/2000 | EP1012958A1 Motor reversing circuit |
| 06/28/2000 | EP0824426B1 Control system for an automotive vehicle multi-functional apparatus |
| 06/28/2000 | CN1258129A Control of switching reluctance electric machine |
| 06/28/2000 | CN1258128A Reduction operation for multi-winding induction motor after fault of converter |
| 06/27/2000 | US6081089 Drive system |
| 06/22/2000 | WO2000035689A2 Method and device for operating an actuating drive of a motor vehicle with different vehicle electric system voltages |
| 06/21/2000 | EP1011190A2 Method and circuit for monitoring the operational status of a charge |
| 06/21/2000 | EP1010089A1 A microprocessor-controlled drive unit for electrically operated devices |
| 06/21/2000 | DE19911036C1 Regulator for controlling heating and air conditioning appliances in motor vehicles incorporates an electrically commutated DC motor driving a suction fan with a temperature measuring probe in its suction air current. |
| 06/20/2000 | US6078157 Circuit for operating an electric motor during shut down |
| 06/20/2000 | US6078156 Method and apparatus for improved electronic braking of a DC motor |
| 06/20/2000 | US6078154 Circuitry for determining actuator position |
| 06/15/2000 | DE19957713A1 Hydraulikbremssystem Hydraulic brake system |
| 06/14/2000 | EP1008233A1 Current supply device for a d.c. motor drive system, especially comprising travel-dependent detection of parameters of the driven object |
| 06/08/2000 | DE19953606A1 Motor drive arrangement e.g. for power steering system for motor vehicle, contains four FETs and resistances, each of whose electrical resistance is higher than that of each FET if the FET has an ON state fault |
| 06/07/2000 | CN1255778A Electronic controller of man-electricity co-action for electric bicycle |
| 06/07/2000 | CN1255777A Driver for both AC and DC motors and its drive control method |
| 05/31/2000 | EP1005147A2 Method and electronic circuit for determination of the optimal integrator gain for a speed controller |
| 05/31/2000 | CN1254979A Multi-stage speed control circuit for DC motor |
| 05/30/2000 | US6069810 Method for reducing feedbacks on a flow of current drawn from a network during operation of inductive load and a booster converter for driving motors in accordance with the method |
| 05/25/2000 | WO2000029902A2 System for removing spurious signatures in motor current signature analysis |
| 05/25/2000 | DE19950144A1 Motor drive controller for choke flap drive motor for internal combustion engine controls motor current to first level during motor starting period and to second, lower level thereafter |
| 05/25/2000 | DE19946414A1 Betätigungseinrichtung für bewegbare Schranken Actuating device for movable barriers |
| 05/25/2000 | DE19852301A1 Method of controlling DC motors operating gate-driving mechanisms applies a DC electronic motor power voltage generated by a DC motor measured as a rate for the number of revolutions of a DC motor |