| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 01/24/1984 | US4427928 Braking control apparatus for an electric motor operated vehicle |
| 01/24/1984 | CA1161108A1 Device for the pulsed drive of an electric motor for reducing the response of mechanical resonnance vibrations |
| 01/17/1984 | US4426605 Method of operating a shunt-wound DC motor as well as controlling device for the execution and application thereof |
| 01/10/1984 | CA1160281A1 Motor field exciter |
| 12/27/1983 | US4423362 Electric vehicle current regulating system |
| 12/20/1983 | US4422023 Starting circuit for electronically controlled motor apparatus |
| 12/20/1983 | US4422022 Speed control for truck |
| 12/13/1983 | US4420716 DC Motor control apparatus |
| 12/13/1983 | US4420713 Turn-off control means for an ac-to-dc electric power converter |
| 11/29/1983 | US4418298 Motor speed control circuit |
| 11/23/1983 | EP0094505A2 Randomized motor drive circuit |
| 11/22/1983 | US4417193 Method and apparatus for controlling alternating current motors |
| 11/22/1983 | US4417187 Circuit for controlling the speed of a motor |
| 11/22/1983 | US4416352 Elevator system |
| 11/16/1983 | EP0093980A1 Power supply circuit for driving a motor |
| 11/15/1983 | US4415911 Recording apparatus |
| 11/15/1983 | US4415843 Voltage regulator |
| 11/15/1983 | US4415249 Motor drive circuit for camera |
| 11/15/1983 | CA1157129A1 Dosing apparatus |
| 11/09/1983 | EP0093555A1 Vehicle propulsion motor control apparatus |
| 11/08/1983 | US4414619 Procedure and apparatus for switching thyristor bridges in static alternating current/direct conversion |
| 11/08/1983 | CA1156745A1 Pulse width modulation control circuit |
| 11/01/1983 | US4413214 Vented pneumatic foot controller |
| 11/01/1983 | US4413212 Motor control apparatus |
| 10/25/1983 | US4412160 DC Motor driving apparatus |
| 10/25/1983 | CA1155912A1 Digital velocity servo |
| 10/18/1983 | US4410842 Battery-powered electric vehicle d.c. motor control |
| 10/18/1983 | CA1155496A1 Electronic-magnetic current isolator circuit |
| 10/13/1983 | WO1983003440A1 Control circuit for the driving of a sliding part of a motor vehicle, particularly a window pane of a motor vehicle |
| 10/11/1983 | US4409648 Apparatus for preventing phase control mechanism malfunction |
| 10/11/1983 | US4409527 Transistor motor control |
| 10/05/1983 | EP0090514A1 A temperature tracking D.C. motor speed controlled fan |
| 10/05/1983 | EP0090152A1 Method to obtain a speed-proportional quantity by a D.C. motor |
| 10/04/1983 | US4408147 Method and apparatus for high efficiency operation of electromechanical energy conversion devices |
| 10/04/1983 | US4408146 Automatic door operator |
| 09/27/1983 | US4406982 DC Motor control circuit |
| 09/27/1983 | US4406980 Speed and direction control mechanism |
| 09/27/1983 | US4406979 Fail-safe system for pulse-controlled three-terminal d.c. motor |
| 09/21/1983 | EP0089204A2 Method and apparatus for high efficiency operation of electromechanical energy conversion devices |
| 09/14/1983 | EP0088312A2 H-switch circuit with an overcurrent protection circuit |
| 09/07/1983 | EP0087812A2 Method and apparatus for position control of electric motor |
| 09/06/1983 | US4403178 Apparatus for controlling a two-speed axle shift motor |
| 08/30/1983 | US4401926 Pulse controllers |
| 08/23/1983 | US4399892 Thyristor Leonard type elevator control system |
| 08/23/1983 | CA1152611A1 Propulsion motor control apparatus and method |
| 08/17/1983 | EP0085901A1 Drive system for vehicles with D.C. motor |
| 08/16/1983 | CA1152193A1 Solid state motor control apparatus and method |
| 08/10/1983 | EP0085293A1 Motor control apparatus |
| 08/02/1983 | US4396877 Reversible electric drive with bidirectional back-current brake and fed by a rectifier supplied from alternating current mains, preferably for motor arc furnace regulators |
| 08/02/1983 | US4396876 Motor control apparatus |
| 08/02/1983 | CA1151234A1 Method of and means for controlling electrical motors |
| 07/26/1983 | US4395666 D.C. Series excited traction motor capable of operating with a continuous current power supply |
| 07/26/1983 | US4395664 Energy conversion apparatus |
| 07/26/1983 | EP0074385A4 Voltage regulator in motor control. |
| 07/19/1983 | US4394721 Thyristor power converter with switched impedance |
| 07/19/1983 | US4394604 Control apparatus for an electro-mechanical device that generates a back EMF |
| 07/19/1983 | CA1150345A1 Output multiplication method and apparatus |
| 07/12/1983 | US4393442 Procedure and means for monitoring current data in a thyristor-controlled direct current drive |
| 07/12/1983 | US4393338 Vehicle propulsion motor control apparatus |
| 06/29/1983 | EP0082392A1 Circuit arrangement for the registration of the charge current polarity of a reversible DC chopper |
| 06/29/1983 | EP0082391A1 Circuit arrangement for the registration of the charge current of a reversible d. c. chopper |
| 06/29/1983 | EP0082362A1 Digital current regulation circuit |
| 06/28/1983 | US4390824 Full wave motor control circuit |
| 06/28/1983 | US4390823 Motor control system incorporating top speed limiting arrangement |
| 06/21/1983 | US4389602 Electric motor controller |
| 06/14/1983 | US4388573 Electric vehicle control device |
| 06/14/1983 | US4388572 Constant speed regulator for DC motors |
| 06/14/1983 | US4388571 Control circuit for automobile electro-magnetic driving equipment |
| 06/14/1983 | US4388570 Digitally controlled pulse width modulated motor speed control for servo positioning systems |
| 06/07/1983 | US4387325 Electric wheelchair with speed control circuit |
| 06/07/1983 | CA1147798A1 Helical scan recorder having capstan motor speed responsive to a frequency of a command signal |
| 06/01/1983 | EP0080278A1 Device for controlling motor of electric vehicle |
| 05/31/1983 | US4386303 D.C. Motor system for a gatling gun |
| 05/31/1983 | US4386299 Electronic control circuit for a separately excited DC machine |
| 05/24/1983 | US4385266 Field weakening system for pulse-controlled three-terminal d.c. motor |
| 05/17/1983 | US4384241 Sewing machine drive |
| 05/17/1983 | US4384240 Regenerative braking system for three-terminal d.c. motor |
| 05/11/1983 | EP0078394A1 Four-quadrants final control element for controlling a collectorless direct current machine |
| 05/11/1983 | EP0078387A1 Print head velocity control system with error count averaging |
| 05/10/1983 | US4383205 Motor drive amplifier |
| 04/26/1983 | US4381480 Apparatus for controlling a blower motor |
| 04/26/1983 | US4381479 Electric motor chopper control apparatus and method |
| 04/19/1983 | US4380724 Shunt field control apparatus and method |
| 04/19/1983 | US4380723 Digital velocity servo |
| 04/13/1983 | EP0076438A2 Regulating device for a vibratory motor |
| 04/13/1983 | EP0076424A1 D.C. motor current control circuit |
| 04/06/1983 | EP0076206A1 Electric driving device, particularly for window-lifting mechanisms with two speeds |
| 04/06/1983 | EP0076039A1 Speed control for power tools having a DC motor |
| 03/29/1983 | US4378580 Conduction limit protection arrangement for power transistor switch |
| 03/29/1983 | US4378517 Method and apparatus for controlling the energization of an electric motor |
| 03/29/1983 | CA1143785A1 Analog dc motor velocity control loop |
| 03/23/1983 | EP0074385A1 Voltage regulator in motor control. |
| 03/08/1983 | CA1142583A1 Control circuit for reducing field voltage in d.c. motors |
| 03/01/1983 | US4375610 Windshield wiper device for automobiles |
| 03/01/1983 | US4375609 Analog/digital drive speed control circuit |
| 03/01/1983 | US4375603 Shunt-wound control for on-road vehicle |
| 02/16/1983 | EP0072022A1 Current control circuit for a power-drive controlled consumer |
| 02/08/1983 | US4373150 Motor control system |
| 02/01/1983 | US4371819 Pulse width modulation speed control |
| 01/26/1983 | EP0070785A1 Supply means of a direct current motor with series-type excitation controlled by a chopper in continuous conductivity |