| 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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| 08/03/1988 | EP0276296A1 Current-limiting circuit. |
| 08/03/1988 | CN87208687U Refrigerator's protector with power saving function |
| 08/02/1988 | US4761726 Variable speed constant frequency power system with boost converter auxiliary output |
| 08/02/1988 | CA1240003A1 Digital cathode current control loop |
| 07/27/1988 | EP0275698A1 Frequency limited resonant regulator |
| 07/27/1988 | EP0275645A2 Clock control system and method for a parallel variable speed constant frequency power system |
| 07/27/1988 | EP0143788B1 Voltage reference circuit |
| 07/27/1988 | CN88210009U D.c. seablizer connected in series manner |
| 07/27/1988 | CN87215551U Regulated power supply |
| 07/27/1988 | CN87205588U D.c. regulated power supply with scr parallel regulation |
| 07/26/1988 | US4760276 Power supply system, for segmented loads, having phantom redundancy |
| 07/20/1988 | EP0274951A1 Anti-transitory apparatus for the electrical supply of on-board equipment |
| 07/20/1988 | CN87100007A Single chip microprocessor wattless power controller |
| 07/19/1988 | US4758941 MOSFET fullbridge switching regulator having transformer coupled MOSFET drive circuit |
| 07/19/1988 | US4758770 Servosystem for controlling the voltage in X-ray generators |
| 07/12/1988 | US4757251 Circuit arrangement for high-voltage adjustment |
| 07/06/1988 | EP0273598A2 DC link variable speed constant frequency parallel power system and control method |
| 07/06/1988 | CN87207534U A.c. switch-type fully electronic auto-manostat |
| 07/06/1988 | CN87101231A Electrical power transfer apparatus |
| 07/06/1988 | CN86108698A Power factor calibration system working in accordance with counting and cycling mode |
| 07/05/1988 | US4755740 Circuit for power pulse amplitude stabilization in radar transmitter pulse modulator or the like |
| 06/30/1988 | WO1988004865A2 Digital-to-time converter |
| 06/30/1988 | WO1988004801A1 Electrical power transfer apparatus |
| 06/29/1988 | EP0272946A1 Circuit to regulate current in an inductive load, and its application to the ignition coil control of an internal-combustion engine |
| 06/29/1988 | CN86108440A Chopper voltage stabilization and transistor chopper voltage stabilizer |
| 06/28/1988 | US4754388 Regulator circuit for converting alternating input to a constant direct output |
| 06/28/1988 | US4754231 Automatic control circuitry for a signal power amplifier |
| 06/28/1988 | US4754164 Method for providing automatic clock de-skewing on a circuit board |
| 06/21/1988 | US4752959 Wiring state detecting device for vehicle |
| 06/21/1988 | US4752726 Reactive power compensation device |
| 06/16/1988 | WO1988004111A3 Multiple voltage-pulsed corona charging with a single power supply |
| 06/09/1988 | DE3738310A1 Vorspannschaltung zum erzeugen praeziser stroeme in einer integrierten schaltung Bias circuit to generate a more specific currents in an integrated circuit |
| 06/08/1988 | EP0269827A1 Digital measuring apparatus |
| 06/02/1988 | WO1988004111A2 Multiple voltage-pulsed corona charging with a single power supply |
| 06/02/1988 | WO1988004072A1 Electronic control circuit for dynamo-driven cycle lightings or other small current-consuming devices |
| 05/31/1988 | US4748342 For producing DC supply voltages |
| 05/31/1988 | US4748340 Load share system |
| 05/25/1988 | EP0268337A1 Apparatus for controlling the power supply of an inductive load |
| 05/25/1988 | CN87213503U Width modulation type power saving dimmer with no jamming |
| 05/24/1988 | US4746818 Circuit for maintaining the state of an output despite changes in the state of input |
| 05/18/1988 | EP0267189A1 Monitoring circuit for control means and selective breakaway means in modular supply systems. |
| 05/17/1988 | US4745352 Switching AC voltage regulator |
| 05/17/1988 | US4744835 Arrangement for avoiding unwanted degradation in no-load operation of solar cell modules composed of amorphous silicon |
| 05/10/1988 | US4743834 Circuit for controlling and regulating power input to a load from an AC voltage supply |
| 05/10/1988 | US4743833 Voltage regulator |
| 05/10/1988 | US4743828 Electric drive system |
| 05/10/1988 | CA1236520A1 Direct current voltage converter apparatus |
| 05/05/1988 | DE3635878A1 Voltage-controlled current source |
| 05/04/1988 | CN87105286A Power switch controller of washer etc |
| 05/03/1988 | US4742331 Digital-to-time converter |
| 05/03/1988 | EP0250483A4 Power controller. |
| 04/28/1988 | DE3736336A1 Constant-voltage range expansion circuit |
| 04/27/1988 | EP0264691A2 Digital timing signal generator and voltage regulator circuit |
| 04/26/1988 | US4740883 Universal solid state power controller |
| 04/26/1988 | US4740878 Dual voltage power supply having equally split voltage levels |
| 04/19/1988 | CA1235519A1 Local power switching control subsystem |
| 04/13/1988 | EP0263572A2 Voltage-controlled push-pull current source |
| 04/13/1988 | CN87212174U Electronic voltage regulator of ac moment motor |
| 04/12/1988 | US4737704 Transformer for arc and plasma setups having broad current adjustment range |
| 04/12/1988 | US4737617 Power control for cooking appliance with transient operating modes |
| 04/12/1988 | CA1235184A1 Tieline control |
| 04/12/1988 | CA1235177A1 Parallel grounding scheme |
| 04/07/1988 | WO1988002583A1 Energy management system |
| 04/07/1988 | WO1988002310A1 System enabling the electrical balancing of transducers arranged in inking heads |
| 04/06/1988 | EP0262156A1 Cmos voltage translator |
| 04/05/1988 | CA1234868A1 Dc to dc converter |
| 04/05/1988 | CA1234864A1 Device for regulating ac current circuit |
| 03/30/1988 | EP0261967A2 Automatic electrical power control circuit |
| 03/30/1988 | EP0258314A4 Scheme for rapid adjustment of network impedance. |
| 03/23/1988 | EP0260776A2 Line frequency switching power supply |
| 03/23/1988 | EP0260504A2 Reactive power compensation circuit |
| 03/23/1988 | EP0260474A1 Power supply adapter systems |
| 03/23/1988 | CN87208651U Magnetic saturation ac voltage-stabilizing electric source |
| 03/15/1988 | US4731655 Protection circuit for improper line voltage |
| 03/15/1988 | US4731574 Series voltage regulator with limited current consumption at low input voltages |
| 03/15/1988 | CA1234188A1 Reference voltage generating circuit |
| 03/09/1988 | EP0258314A1 Scheme for rapid adjustment of network impedance. |
| 03/08/1988 | US4730129 Integrated circuit having fuse circuit |
| 03/08/1988 | US4730128 Bias circuit for an avalanche photodiode |
| 03/08/1988 | US4730122 Power supply adapter systems |
| 03/01/1988 | US4729085 Frequency limited resonant regulator useful in, for example, a half-bridge inverter |
| 03/01/1988 | US4728901 Power buffer circuit |
| 03/01/1988 | US4728880 Multiple voltage-pulsed corona charging with a single power supply |
| 03/01/1988 | US4728877 Method and apparatus for improving electrochemical processes |
| 03/01/1988 | US4728807 Power source system comprising a plurality of power sources having negative resistance characteristics |
| 03/01/1988 | US4728806 DC link variable speed constant frequency power source paralleling controls |
| 02/23/1988 | US4727466 For converting DC power to AC power |
| 02/23/1988 | US4727448 Shutdown control circuit for an electric power supply |
| 02/23/1988 | CA1233202A1 Method and device for stabilizing the operating point of a hall crystal |
| 02/17/1988 | EP0255844A1 Power supplies with magnetic amplifier voltage regulation |
| 02/16/1988 | US4725940 Quantized duty ratio power sharing converters |
| 02/16/1988 | US4725936 High-voltage stabilizing power supply apparatus with an improved inductive noise compensation |
| 02/16/1988 | US4725813 MOS type circuit device |
| 02/16/1988 | US4725740 For supplying power to a load |
| 02/16/1988 | EP0238509A4 Solenoid driver control unit. |
| 02/16/1988 | CA1232944A1 Control method and control apparatus of phase |
| 02/11/1988 | WO1988001077A1 Universal solid state power controller |
| 02/11/1988 | WO1988001075A1 Current-limiting circuit |
| 02/10/1988 | CN86207924U Small domestic multi-way dc regulator |
| 02/10/1988 | CN86205336U Automatic reactive power compensation equipment by forced varying electric current |