| Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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| 05/11/1976 | US3956590 Switching arrangement for switching between different current values by means of mechanical or electronic switches |
| 05/04/1976 | US3955133 Apparatus for stabilization of electrical power supply mains |
| 05/04/1976 | US3955130 Motor control circuit including motor current limiting means |
| 04/27/1976 | US3953788 AC power source without a step-up output transformer |
| 04/27/1976 | US3953783 Low cast chopper inverter power supply and gating circuit therefor |
| 04/20/1976 | US3952242 Automatic voltage regulator with optical feedback |
| 04/20/1976 | US3952240 Device for regulating the current in a load |
| 04/20/1976 | US3952139 Circuit arrangement for supplying electrode melting furnaces |
| 04/20/1976 | US3952138 Power control system for electric arc or refining furnace electrically directly coupled to independent power generating unit or units |
| 04/06/1976 | US3949278 Document transfer device drive |
| 04/06/1976 | US3949271 Transient absorber circuit for regulated power supplies |
| 03/30/1976 | US3947755 Circuit for stabilizing the operating voltage of a sweep circuit for a cathode-ray tube |
| 03/30/1976 | US3947753 Voltage regulator including an LED to provide a reference voltage |
| 03/30/1976 | US3947752 Circuit for converting alternating current voltages to a constant magnitude direct current voltage |
| 03/30/1976 | US3947751 Electronic variac surge current limiting circuit |
| 03/23/1976 | US3946304 Phase-initiation control arrangement, particularly for a three-phaseconsumer unit |
| 03/23/1976 | US3946303 Monolithic integrated voltage regulator |
| 03/23/1976 | US3946302 Power regulator with R.M.S. output voltage as function of unregulated D.C. |
| 03/16/1976 | US3944913 System for effecting tap changes of tapped transformer windings by means of thyristors |
| 03/16/1976 | US3944909 Voltage, current, or power controller utilizing a switched reactance A.C. shunt regulator |
| 03/09/1976 | US3943431 Current-splitting network |
| 03/02/1976 | US3942128 Constant-voltage circuit |
| 03/02/1976 | US3942100 Adjustable reactive power compensator for a transmission line |
| 03/02/1976 | US3941900 Method for producing highly pure silicon |
| 02/24/1976 | US3940687 Method for controlling active power distribution in power transmission lines and a controller for effecting same |
| 02/24/1976 | US3940684 Power controller |
| 02/17/1976 | US3939399 Power circuit with shunt transistor |
| 02/17/1976 | US3939396 Shunt A.C. voltage regulator with modified full-wave bridge |
| 02/17/1976 | US3939395 System for connecting and disconnecting power source terminals to a load for time proportional to the current drawn by the load |
| 02/17/1976 | US3939394 Constant voltage circuit |
| 02/17/1976 | US3939352 X-ray generator provided with starting load control |
| 02/17/1976 | US3939319 High-frequency heating device for variably controlling a high frequency output in a continuous or stepwise manner |
| 02/10/1976 | US3938059 Solid state rectifier control unit |
| 02/10/1976 | US3938032 Gate pulse power supply for static alternating current switch |
| 02/10/1976 | US3938031 Adjustable voltage power supply |
| 02/10/1976 | US3938030 Controllable power transferring device utilizing a short-circuited controlled reactance |
| 02/10/1976 | US3938029 Low noise DC power supply system for electronics on a rotating assembly |
| 02/03/1976 | US3936727 High speed control of reactive power for voltage stabilization in electric power systems |
| 02/03/1976 | US3936726 Gating control for a static switching arrangement with improved dynamic response |
| 02/03/1976 | US3936721 Electrical power supplies |
| 02/03/1976 | US3936675 Reference point potential compensating circuit for use with phase controller |
| 01/27/1976 | US3935530 Compensation equipment for fluctuations in A.C. source voltage |
| 01/27/1976 | US3935529 Modulated energy conservative current supply |
| 01/27/1976 | US3935483 Phase shifting circuit |
| 01/20/1976 | US3934191 Circuit arrangement for generating a stabilized direct voltage with superposition of a control voltage |
| 01/20/1976 | US3934189 Power supply regulator high-line shunt bypass |
| 01/13/1976 | US3932802 Controlled power transferring device and method utilizing a reactance controlled by development of opposing magnetic fluxes |
| 01/13/1976 | US3932766 Control system for an externally controlled converter |
| 01/06/1976 | US3931530 Apparatus for controlling the supply of power to a resistive load |