| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 01/30/1991 | EP0409880A1 Actuator and communication system. |
| 01/29/1991 | US4989114 Bridge circuit having polarity inversion protection means entailing a reduced voltage drop |
| 01/29/1991 | US4988931 For rotating a bi-directional electric motor |
| 01/23/1991 | EP0409185A2 Method of calculating motor control voltage and motor control device using the method |
| 01/22/1991 | US4987353 Current switching device for motor |
| 01/22/1991 | US4987349 Infrared remote control toy |
| 01/16/1991 | EP0188576B1 Orbital shaker |
| 01/15/1991 | US4985666 Safety device for video cassette recorder |
| 01/10/1991 | DE3920263A1 Electro-motor current supply - has circuit with resistance network to give rectified AC to apply dynamic limit to motor current |
| 01/09/1991 | EP0407281A1 Simplified feeding system for potentiometers in electronic memorisation of car seats and other |
| 01/09/1991 | EP0406400A1 Motor control circuit |
| 01/09/1991 | CN1011175B Speed control device for dc motors |
| 01/08/1991 | CA1278822C Dc motor adaptive controller |
| 01/03/1991 | DE3921332A1 Setting motor operating circuitry for motor vehicle - uses power transistor bridge and two pairs of driver transistors |
| 01/01/1991 | US4982145 Method and apparatus for the optimization of thyristor power supply transport time delay |
| 12/27/1990 | EP0403684A2 Antenna positioning system |
| 12/25/1990 | US4980838 Digital robot control having pulse width modulator operable with reduced noise |
| 12/25/1990 | US4980622 Actuator two-fault tolerance apparatus |
| 12/20/1990 | DE4016663A1 DC servomotor with integrated speed controller - has chopper on PCB with interference screen due to housing protrusion |
| 12/18/1990 | US4978898 Motor driving and malfunction detecting device |
| 12/18/1990 | CA1278072C Orbital shaker |
| 12/11/1990 | US4977360 Method and circuit for controlling a position-controlling DC motor and a system for controlling linear displacement in accordance with the method |
| 12/11/1990 | US4977358 Switching circuit for varying rotational speed of motor |
| 12/11/1990 | US4976552 Sewing machine of a sewing machine by wireless controller |
| 12/05/1990 | EP0401067A1 Excitation device for electromagnetic actuator |
| 11/28/1990 | EP0399236A2 Single input, single supply three-state controller |
| 11/20/1990 | US4972130 Multipurpose, internally configurable integrated circuit for driving in a switching mode external inductive loads according to a selectable connection scheme |
| 11/20/1990 | US4972129 Passive seat belt apparatus |
| 11/20/1990 | US4972128 Device for the supply of a continuous current electric motor, in particular for the sun roof of an automotive vehicle |
| 11/14/1990 | EP0397102A2 Power delivery circuit with current sensing |
| 11/14/1990 | EP0252095B1 D.c. motor control system |
| 11/13/1990 | US4969739 Spectrometer with direct drive high speed oscillating grating |
| 11/13/1990 | US4969229 Battery-operated surface treatment apparatus having a booster function |
| 11/01/1990 | WO1990013172A1 Control circuit |
| 10/31/1990 | EP0395401A2 Switching circuit for varying the rotational speed of a motor |
| 10/31/1990 | DE4010022A1 Kontroll- und regeleinrichtung fuer einen gleichstrommotor Monitoring and control device for a DC motor |
| 10/31/1990 | CN1046633A Regulating circuit |
| 10/31/1990 | CN1010269B Control device for variable speed electric motor |
| 10/25/1990 | DE4012547A1 Switching device for controlling multi-function actuator - has compact switch assembly with single operating button for selection of any of four operating modes |
| 10/24/1990 | EP0393847A1 Method and apparatus for inductive load control with current simulation |
| 10/24/1990 | CN1046419A Control arrangement for inverter current |
| 10/24/1990 | CN1010153B Circuit arrangement for protecting switch transistor |
| 10/23/1990 | US4965848 Control circuit for a permanent magnet or constant excitation direct current motor, particularly for washing machines |
| 10/23/1990 | US4965497 Control circuit for an electric drive motor |
| 10/17/1990 | CN2064130U Plane suspension motor and its controller |
| 10/17/1990 | CA2010794A1 Method and apparatus for inductive load control with current simulation |
| 10/16/1990 | US4963802 Circuit for supplying electrical signal to an actuator |
| 10/16/1990 | US4963801 Motor driving circuit for selectivity driving different motor types |
| 10/10/1990 | EP0391860A2 Radio controlling device for controlling motor driven rolling gates and their electric locks |
| 10/10/1990 | EP0391574A1 Motor control apparatus |
| 10/09/1990 | US4962337 Express window lift motor shutdown |
| 10/08/1990 | WO1990012446A1 A controller for an electrical load |
| 10/08/1990 | CA2051402A1 Controller for an electrical load |
| 10/03/1990 | EP0389832A1 An electronic circuit for measuring and controlling an electric current flowing through an inductive electric load |
| 10/03/1990 | CA2010646A1 Motor driver protection circuit |
| 10/02/1990 | US4961033 Current limiter for an electrical actuator |
| 09/26/1990 | EP0389452A2 Bridge circuit having polarity inversion protection means entailing a reduced voltage drop |
| 09/20/1990 | WO1990010974A1 An actuator device for an electric window winder |
| 09/19/1990 | CN1045492A Procedure for selection of bridge or bridge section in rectifier bridge unit, and bridge selector unit designed for implementing procedure |
| 09/18/1990 | US4958380 Fault current limiter for DC motor drive system |
| 09/18/1990 | CA1274275A1 Setting and dialogue device, particularyl for a speed changer |
| 09/12/1990 | EP0386585A2 Multiplexed digital control device |
| 09/12/1990 | EP0262120B1 Control circuit for an electric motor |
| 08/31/1990 | CA2008429A1 Electrical control circuit for a bidirectional motor |
| 08/31/1990 | CA2008427A1 Torque limited module |
| 08/29/1990 | CN1045005A 电源电路 Power circuit |
| 08/28/1990 | US4952998 Integrated circuit with complementary MOS transistors |
| 08/28/1990 | US4952854 Control device for a DC motor intended for in particular driving opening elements on automobile vehicles |
| 08/23/1990 | DE3904785A1 Power-driven hand tool |
| 08/22/1990 | EP0383382A1 Power supply circuit |
| 08/21/1990 | US4951188 Final stage of a bridge circuit |
| 08/21/1990 | US4950919 MOS-transistor bridge circuit |
| 08/16/1990 | DE4003103A1 Electric servo steering controller - uses torque sensor to control and set direction of servo motor |
| 08/16/1990 | DE3904297A1 Switched-mode power supply for a DC motor |
| 08/14/1990 | US4949393 Motor rotation speed controlling apparatus |
| 08/09/1990 | WO1990008996A2 Method and apparatus for dc motor speed control |
| 08/08/1990 | EP0381597A2 Digital robot control having pulse width modulator operable with reduced noise |
| 08/08/1990 | EP0380606A1 Battery-operated surface treatment apparatus having a booster function. |
| 08/07/1990 | US4947088 Method and apparatus for controlling reel tension |
| 08/01/1990 | EP0380404A1 Method and circuit for the speed control of a DC motor by the motor control voltage |
| 08/01/1990 | EP0379801A2 Compartment panel control apparatus for a motor vehicle |
| 07/31/1990 | US4945298 Motor driving apparatus |
| 07/31/1990 | US4945295 Operation confirmatory circuit for linear actuator |
| 07/26/1990 | WO1990008423A1 Motor control circuit |
| 07/24/1990 | US4943758 Steering control apparatus for a motor vehicle with steerable front and rear wheels |
| 07/18/1990 | EP0378108A2 Spectrometer with direct drive high speed oscillating grating |
| 07/18/1990 | EP0186596B1 Linear displacement control system comprising a dc motor |
| 07/18/1990 | CN1008862B Power-supply circuit |
| 07/04/1990 | EP0376214A1 Motor control circuit |
| 07/03/1990 | US4939632 Power supply circuit |
| 07/03/1990 | CA1271220A1 Power-supply circuit |
| 07/03/1990 | CA1271218A1 Self-oscillating power-supply circuit |
| 06/27/1990 | CA2006456A1 Control device for movable article and drive circuit therefor |
| 06/21/1990 | DE3842426A1 Circuit arrangement for controlling and monitoring a load in a bridge circuit |
| 06/20/1990 | EP0373693A2 Generator of drive signals for transistors connected in a half-bridge configuration |
| 06/20/1990 | EP0373357A1 Method and device to control an externally excited DC motor |
| 06/19/1990 | US4934844 Remote-control system for sewing machine |
| 06/19/1990 | CA1270511A1 Variable speed control switch for an electric tool including a dc motor |
| 06/14/1990 | WO1990006403A1 A linkage system for loading machines |
| 06/12/1990 | US4933614 Motor drive control circuit |