| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 05/26/1993 | EP0543666A1 Speed control device for DC motor |
| 05/25/1993 | US5214561 Current control circuit for an electromagnetic type actuator |
| 05/19/1993 | CN2133847Y Monitor for power angle of synchronous generator |
| 05/13/1993 | DE4136475A1 Revolution and torque regulation for reversible D.C. motor drive - reducing magnetic flux for low armature current to provide improved regulation during drive reversal |
| 05/12/1993 | EP0541015A1 Method of controlling a rotary press drive |
| 05/11/1993 | US5210475 Current sensing circuit for use with a current controlling device in a power delivery circuit |
| 05/04/1993 | US5208483 Automatic power-operated window and roof panel system for a motor vehicle |
| 05/04/1993 | US5207520 Printer carriage acceleration control device |
| 04/20/1993 | US5204809 H-driver DC-to-DC converter utilizing mutual inductance |
| 04/15/1993 | WO1993007675A1 Direct current power control circuit for use in conjunction with regulated input signal |
| 04/15/1993 | DE4129495C1 Adjusting short-circuit torque of electric servo motor - storing short circuit current required for desired torque in electronic motor controller after comparison with actual torque |
| 04/08/1993 | DE4206462C1 Regulating current of DC motor - comparing digital armature current actual value detected in cycle time not exceeding 0.2 ms with stipulated value |
| 04/08/1993 | DE4132766A1 Printing machine drive motor RPM regulation system - has double changeover switch with contacts assigned between RPM detector and current summation point and to current setter |
| 04/07/1993 | EP0506883A4 Direct current power control circuit |
| 04/07/1993 | CN2129489Y Voltage staged speed regulator |
| 04/07/1993 | CN1070775A Digitally remote-controlled in telligent regulator of power supply |
| 04/06/1993 | US5201023 Variable speed latching motor control |
| 04/06/1993 | US5200657 Apparatus for controlling or regulating equipment powered by batteries |
| 04/01/1993 | WO1993006643A1 Battery-operated device |
| 04/01/1993 | DE4131981A1 Batteriebetriebenes geraet Geraet Battery operated |
| 03/31/1993 | EP0534761A1 Control of switched reluctance machines |
| 03/31/1993 | EP0534447A1 D.C. fan control circuit for linearly variable cooling |
| 03/24/1993 | EP0533359A2 Electric propulsion motor for marine vehicles |
| 03/24/1993 | EP0533148A1 Limiter circuit of servo motor control apparatus |
| 03/23/1993 | US5196731 Power on/off circuit with lock function |
| 03/18/1993 | WO1993005524A1 Rotary solenoid driver |
| 03/17/1993 | EP0510106A4 Improved motor controller having a control loop for neutralizing rotor leakage and magnetizing reactances |
| 03/17/1993 | EP0378577B1 Apparatus for utilizing an a.c. power supply to bidirectionally drive a d.c. motor |
| 03/17/1993 | CN2128431Y DC separately excited jor compound motor with controllable dynamic characteristic |
| 03/10/1993 | EP0530770A1 Method for operating an electric motor |
| 03/09/1993 | US5192902 Velocity/phase controller for dc servo motor |
| 03/03/1993 | CN2127636Y Efficient rotary drum vaccum filter |
| 02/24/1993 | EP0528658A1 Load current sampling technique |
| 02/18/1993 | WO1993003538A1 Variable speed latching motor control |
| 02/18/1993 | DE4127047A1 Overload monitoring circuit for electromotor-driven closures - generates reopening signal in response to detection of residual aperture below stored min. value |
| 02/17/1993 | EP0527641A2 H-bridge flyback recirculator |
| 02/16/1993 | US5187420 Method of calculating motor control voltage and motor control device using the method |
| 02/02/1993 | US5184299 Antilock brake system motor speed control |
| 01/27/1993 | EP0459998A4 Method and apparatus for dc motor speed control |
| 01/14/1993 | DE4123105A1 Power regulation system for electrical lead e.g. motor - monitors supply voltage to power control device for adjusting pulse width modulation power regulation |
| 01/13/1993 | EP0522909A1 Motorised means comprising a tachometer generator configurable as a security method |
| 01/12/1993 | US5179621 Direct current power control circuit |
| 01/09/1993 | CA2046494A1 Adjustable-speed alternating current motor |
| 12/30/1992 | EP0520225A1 Individual field excitation for multiple-motor drive |
| 12/23/1992 | EP0518911A1 Circuits for the separate potential transmission of pulses of any length or frequency for driving transitor circuits. |
| 12/22/1992 | US5173591 Electric gearshift for children's cars |
| 12/16/1992 | EP0518538A2 Motor control system |
| 12/16/1992 | EP0380606B1 Battery-operated surface treatment apparatus having a booster function |
| 12/15/1992 | US5172037 Switching circuit for dc motor |
| 12/08/1992 | US5170108 Motion control method and apparatus for motorized window blinds and and the like |
| 12/02/1992 | CN1019339B Regulating circuit |
| 11/25/1992 | CN1066538A Differential-device controlled double rotor speed regulating motor |
| 11/25/1992 | CN1066494A Double output external adjusting system of double rotor motor |
| 11/17/1992 | US5165006 Vehicle motor switching apparatus |
| 11/17/1992 | US5164642 Control device for electric car |
| 11/11/1992 | CN1066157A Bidirectional rotary type ac. adjustable-speed motor |
| 11/10/1992 | CA1310007C Hoist winding system |
| 11/05/1992 | DE4114005A1 Control circuit for DC motor speed and direction - contains three pairs of operational amplifiers for variation of multivibrator pulse width according to potentiometer position |
| 11/04/1992 | CN1065957A Block type current conversion energy lift technique for dc chopper circuit |
| 11/03/1992 | US5160875 Dc motor controller with high reliability |
| 10/29/1992 | WO1992019038A1 Process and circuits for determining machine-related electromagnetic and mechanical state variables on electrodynamic induction machines supplied via converters |
| 10/28/1992 | EP0510106A1 Improved motor controller having a control loop for neutralizing rotor leakage and magnetizing reactances |
| 10/27/1992 | CA1309454C Speed control unit for direct current electric motor with intrinsic feed-back |
| 10/20/1992 | US5156520 Linkage system for loading machines |
| 10/14/1992 | EP0508788A1 Circuit arrangement of a DC shunt or compound motor |
| 10/14/1992 | EP0360854B1 Two-state, bilateral, single-pole, double-throw, half-bridge power-switching apparatus and power supply means for such electronic power switching apparatus |
| 10/07/1992 | EP0507538A2 Electrical actuator with means for preventing dither at a limit switch |
| 10/07/1992 | EP0506883A1 Direct current power control circuit |
| 10/07/1992 | CN1018599B Plane floatation electric motor and microprocessor control thereof |
| 10/06/1992 | US5153492 Servo amplifier |
| 10/06/1992 | US5153487 Method and circuit for the monitoring of electromotive controlling elements |
| 09/23/1992 | EP0504153A1 Drive device for movable components. |
| 09/23/1992 | CN1064773A Governor with dc motor for ac power supply |
| 09/22/1992 | US5150264 Safety device for controllably driving the cassette holder of a video cassette recorder subjectable to overload |
| 09/22/1992 | US5150027 Motor drive circuit for radio-controlled model |
| 09/09/1992 | CN1064376A Ac speed adjusting brushless wound induction motor |
| 09/09/1992 | CN1064375A Ac speed adjusting squirrel-cage induction motor |
| 09/02/1992 | EP0500852A1 Positioning control. |
| 09/01/1992 | US5144215 Current supply control apparatus for an inductance load |
| 08/18/1992 | US5140591 Generator of drive signals for transistors connected in a half-bridge configuration |
| 08/18/1992 | US5140515 Inductive load current controller |
| 08/05/1992 | CN1017766B Control arrangement for inverter current |
| 08/03/1992 | CA2060260A1 Dc motor controller |
| 08/01/1992 | CA2060299A1 Motion control method and apparatus for motorized window blinds and the like |
| 07/28/1992 | US5134351 Speed changing device for a multi-polar, constant flux electric motor, and a motorized ventilating fan unit equipped with such a device |
| 07/23/1992 | DE4201027A1 Electrical shaver matching beard thickness - has motor load current assessment circuit, microcomputer and control circuit controlling RPM according to output signal of latter |
| 07/22/1992 | EP0495601A2 Control circuit for a DC motor |
| 07/22/1992 | CN1063003A Energy-saving controller of seperate exciting dc motor |
| 07/21/1992 | US5132600 Load driving circuit having a pair of push-pull circuits |
| 07/19/1992 | CA2059304A1 Control circuit for a dc motor |
| 07/14/1992 | US5130626 Device for controlling rotational speed of motor |
| 07/14/1992 | CA1305237C Apparatus for interactively accelerating an electric drive vehicle |
| 07/08/1992 | EP0406400A4 Motor control circuit |
| 07/07/1992 | US5128597 Control apparatus for power window regulator |
| 07/01/1992 | EP0492070A1 Motion device for handling vehicle |
| 06/30/1992 | US5126642 Variable speed motor control |
| 06/30/1992 | US5126603 Circuit utilizes N-channel mos transistors having reduced area dimension for effectively detecting output current of a H-bridge circuit |
| 06/24/1992 | EP0491499A1 Drive circuit |
| 06/23/1992 | US5124604 Disk drive motor |
| 06/23/1992 | CA1304121C Control device for a dc motor intended for in particular driving opening elements on automobile vehicles |