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| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 03/16/1976 | US3944897 Control circuits for electrically driven vehicles | | 03/16/1976 | US3944856 Chopper control system | | 03/02/1976 | US3942085 Control apparatus of DC motors | | 03/02/1976 | US3941214 Control system for a transportation system | | 02/24/1976 | US3940671 Control circuit for amusement device | | 02/17/1976 | US3938624 Transportation system with motor field control | | 02/10/1976 | US3938015 SCR motor voltage controller | | 02/10/1976 | US3938013 D. C. Motor control system effecting changes in the connections of the armature and variations in current flow through the field | | 02/03/1976 | US3936711 Motor speed control circuit | | 02/03/1976 | US3936710 Synchronous drive control system for dc motor | | 02/03/1976 | US3936709 Control circuits for electrically driven vehicles | | 02/03/1976 | US3935677 Metallographic polisher with speed control | | 01/27/1976 | US3935521 Displacing apparatus | | 01/27/1976 | US3935520 DC motor regulator | | 01/06/1976 | US3931558 SCR motor speed control system with trigger stabilization circuit | | 01/06/1976 | US3931557 DC Motor stall protection circuit | | 01/06/1976 | US3931556 System for driving a direct-current motor in synchronism with an external signal |
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