| 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) |
|---|
| 08/26/1986 | US4608524 Output circuit and brushless motor using the same |
| 08/20/1986 | EP0191740A2 Temperature and current protection for quadruple voltage regulator |
| 08/20/1986 | EP0191482A2 DC-DC converter |
| 08/20/1986 | EP0105278B1 Circuit arrangement for power control |
| 08/20/1986 | CN86101078A Apparatus for suppressing voltage fluctuation |
| 08/20/1986 | CN85100595A Industry frequency sine-wave current stabilized device of low voltage heavy alternating current |
| 08/19/1986 | US4607311 Power circuit for electromagnetic actuator |
| 08/19/1986 | CA1210124A1 Electronic circuit controlling a multiple operation apparatus fitted with an electromagnetic mechanism |
| 08/19/1986 | CA1210087A1 Voltage to current converting circuit |
| 08/19/1986 | CA1210060A1 Voltage sensing at loads remotely connected to power supplies |
| 08/14/1986 | WO1986004751A1 A.c. power supply systems |
| 08/14/1986 | WO1986004724A1 Integrated circuit having a variably boosted node |
| 08/13/1986 | EP0190961A1 Direct current power supply with an adjustable operating point |
| 08/13/1986 | EP0073825B1 Regulated converter with volt-balancing control circuit |
| 08/13/1986 | CN85200636U Power-factor automatic compensation controller with computer |
| 08/12/1986 | US4605983 Drive circuits |
| 08/12/1986 | US4605891 Safe operating area circuit and method for an output switching device |
| 08/12/1986 | US4605890 Synchro power amplifier and control circuit for automatically tuning an inductive load |
| 08/06/1986 | CN85202689U Current-transforming phase shift trigger with scr |
| 08/06/1986 | CN85201829U Straight-line type self-compensating ac voltage regulator |
| 08/06/1986 | CN85100723A Regulated power supply on the basis of the difference of the energy gap |
| 08/05/1986 | US4604568 Current source with adjustable temperature coefficient |
| 08/05/1986 | US4604567 Maximum power transfer system for a solar cell array |
| 07/31/1986 | WO1986004464A1 Installation for the filtering and transitory stabilization of network voltage |
| 07/30/1986 | EP0189237A2 An inductive displacement transducer system |
| 07/30/1986 | EP0188866A2 Multiple loop feedback systems |
| 07/30/1986 | CN85108055A Distributed electric power demand control |
| 07/29/1986 | US4603288 Dual regulated power supply |
| 07/29/1986 | CA1208694A1 Controller for electromagnetic exciter using power line subharmonic |
| 07/22/1986 | US4602206 Capacitance control for a static var generator |
| 07/22/1986 | CA1208286A1 Static var generator having a thyristor circuit arrangement providing reduced losses |
| 07/17/1986 | WO1986004189A1 Dc to dc converter |
| 07/17/1986 | WO1986004164A1 Method of operating parallel-connected semiconductor switch elements |
| 07/15/1986 | US4600981 Margin angle responsive method and apparatus for controlling reactive power in a HVDC system |
| 07/08/1986 | CA1207384A1 Power supply circuit |
| 07/03/1986 | WO1986003860A1 Circuit for monitoring the electric current supply of a consumer |
| 07/02/1986 | CN85103010A Computer-controlled power factor compensation method and device |
| 07/01/1986 | US4598349 Electronic transformer composed of flyback converters |
| 06/25/1986 | CN85201324U Adjustable a.c. constac |
| 06/24/1986 | US4596947 Power control circuit arrangements |
| 06/24/1986 | CA1206522A1 Mains voltage discrimination device |
| 06/18/1986 | EP0184659A1 Mulitplexing apparatus for phase-control circuits |
| 06/11/1986 | CN85201353U Power distribution circuit installation |
| 06/10/1986 | US4594634 High-voltage direct-current supply with over-current protection |
| 06/10/1986 | US4594633 Integrated circuit protection circuit |
| 06/04/1986 | EP0183548A2 Local power switching control subsystem |
| 06/04/1986 | EP0183504A2 A regulated high voltage supply |
| 06/04/1986 | EP0183307A2 Electronic device for feeding an ion pump with two different tensions and for improved measuring of the pressure in said pump |
| 06/04/1986 | EP0183044A1 Device for limiting the changing rate of an alternating current delivered by a superconducting generator |
| 06/04/1986 | CN85202845U D.c. converting regulated power supply |
| 06/03/1986 | US4593338 Constant-voltage power supply circuit |
| 05/28/1986 | EP0182590A2 Var generator having controlled discharge of thyristor switched capacitors |
| 05/28/1986 | EP0181909A1 Circuit for producing, transferring between different voltage circuits and stabilizing an alternating current |
| 05/27/1986 | US4591966 Rectifying network |
| 05/27/1986 | US4591831 Position angle transducer for tap changing transformers |
| 05/27/1986 | US4591810 Pulse width modulator for electronic watthour metering |
| 05/27/1986 | US4591779 Regulated a.c. power supply |
| 05/27/1986 | CA1205150A1 Current-source arrangement |
| 05/27/1986 | CA1204959A1 Regulated current source for thermal printhead |
| 05/20/1986 | CA1204818A1 Fold-back power supply |
| 05/14/1986 | EP0181171A2 Fast settling reference amplifier |
| 05/13/1986 | US4588906 Regulator circuit |
| 05/07/1986 | EP0180275A1 Circuit comprising series-connected semiconductor elements |
| 05/07/1986 | EP0180231A2 Static var compensator circuit |
| 05/06/1986 | US4587591 Power supply for ozone generator |
| 05/06/1986 | US4587478 Temperature-compensated current source having current and voltage stabilizing circuits |
| 05/06/1986 | US4587476 High voltage temperature compensated foldback circuit |
| 05/06/1986 | US4587458 Controlling current density |
| 04/29/1986 | US4585987 Regulated voltage supply with sense current cancellation circuit |
| 04/29/1986 | US4585955 Internally regulated power voltage circuit for MIS semiconductor integrated circuit |
| 04/29/1986 | US4585713 Electrical device comprising at least one thermal battery and its application to a modulable power generator |
| 04/24/1986 | WO1986002503A1 Power supply system with improved transient response |
| 04/23/1986 | EP0178757A2 Solar array regulator |
| 04/22/1986 | CA1203565A1 Method and apparatus for controlling the power factor of an induction-motor |
| 04/22/1986 | CA1203564A1 Three-phase power factor controller with induced emf sensing |
| 04/16/1986 | EP0177525A1 Arrangement for the control or regulation of the rotation speed and/or the torque of an induction motor |
| 04/15/1986 | US4583157 Integrated circuit having a variably boosted node |
| 04/15/1986 | US4583009 Precision voltage reference for systems such as analog to digital converters |
| 04/15/1986 | US4581929 Air flow meter circuit with temperature compensation circuit |
| 04/10/1986 | WO1986002215A1 Current source with adjustable temperature coefficient |
| 04/08/1986 | US4581692 Direct current voltage converter apparatus |
| 04/08/1986 | US4581672 Internal high voltage (Vpp) regulator for integrated circuits |
| 04/08/1986 | US4581568 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller |
| 04/01/1986 | US4580206 Voltage clamp regulator |
| 04/01/1986 | US4580090 Impedance converter for use with a current limited electrical supply |
| 04/01/1986 | US4580088 Soft-starting phase-control circuit for low voltage load |
| 04/01/1986 | CA1202674A1 Power factor correction for variable speed drive |
| 03/25/1986 | US4578734 Electronic circuit controlling a multiple operation apparatus fitted with an electromagnetic mechanism |
| 03/19/1986 | EP0174364A1 A voltage controller |
| 03/18/1986 | CA1202074A1 Electronic switching power supply |
| 03/10/1986 | CN85102530A 电子磁控系统 Electronic magnetic system |
| 03/10/1986 | CN85100196A Power factor correcting system with three-phase condenser having no electric contact cantrolled by non-contact switches |
| 03/05/1986 | EP0173155A2 Power supply for the light sources of frequency-modulated optical detectors |
| 03/05/1986 | EP0173104A2 Power source system comprising a plurality of power sources having negative resistance characteristics |
| 03/04/1986 | US4574232 Rapid turn-on voltage regulator |
| 03/04/1986 | US4574231 Magnetic amplifier apparatus for balancing or limiting voltages or currents |
| 03/04/1986 | US4574230 Phase-regulated switching circuit |
| 02/25/1986 | US4573005 Current source arrangement having a precision current-mirror circuit |
| 02/25/1986 | US4572992 Device for regulating ac current circuit |
| 02/19/1986 | EP0171489A1 Overcurrent detection for a direct current generator with controlled rectifier |