| 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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| 01/21/1987 | EP0209500A1 Method and arrangement at a transformer |
| 01/21/1987 | EP0208711A1 Dc to dc converter. |
| 01/20/1987 | US4638239 Reference voltage generating circuit |
| 01/20/1987 | US4638238 Switching technique for thyristor-switched capacitors to achieve network damping |
| 01/20/1987 | US4638184 CMOS bias voltage generating circuit |
| 01/20/1987 | CA1216904A1 Current stabilizing circuit |
| 01/15/1987 | WO1987000312A1 Electronic control circuit |
| 01/13/1987 | US4636964 Method and system for generating and adjusting a predetermined quantity of mutually independent direct current voltages |
| 01/13/1987 | US4636742 Constant-current source circuit and differential amplifier using the same |
| 01/13/1987 | US4636709 Regulated DC power supply |
| 01/10/1987 | CN85100630A Power on-off control circuit |
| 01/08/1987 | DE3524050A1 Semiconductor arrangement with a linear power transistor stage |
| 01/07/1987 | EP0207145A1 Method of operating parallel-connected semiconductor switch elements |
| 01/07/1987 | EP0207086A1 Circuit for monitoring the electric current supply of a consumer. |
| 01/06/1987 | US4635180 Device for controlling and regulating current flowing through an electromagnetic consumer, particularly for use in connection with an internal combustion engine |
| 01/06/1987 | US4635178 Paralleled DC power supplies sharing loads equally |
| 01/06/1987 | US4634958 Transformer utilizing selectively loaded reactance to control power transfer |
| 01/06/1987 | US4634956 DC to DC converter |
| 12/30/1986 | US4633184 Device for generating a signal corresponding to a variable magnitude associated with the reactive power of an arc furnace in order to control a reactive power compensator |
| 12/30/1986 | US4633164 Microprocessor controlled constant current circuit |
| 12/30/1986 | US4633162 Series voltage regulator employing a variable reference voltage |
| 12/30/1986 | US4633038 Supply circuit for a variable load, particularly for a line circuit in telephone systems |
| 12/30/1986 | EP0206253A1 Circuit supplying an electric load from a solar generator |
| 12/23/1986 | US4631707 Memory circuit with power supply voltage detection means |
| 12/17/1986 | EP0204978A1 Shutdown control means for an electric power supply |
| 12/16/1986 | US4630220 Voltage controller |
| 12/16/1986 | US4629973 Current stabilizing circuit operable at low power supply voltages |
| 12/16/1986 | US4629969 Apparatus for generating a signal indicative of a fault occurring in an electric circuit connected to an AC network |
| 12/16/1986 | US4629966 Dual current limiting voltage regulator |
| 12/16/1986 | CA1215434A1 Bias current reference circuit having a substantially zero temperature coefficient |
| 12/10/1986 | EP0204618A1 Static electronic relay authorizing or establishing a current in any direction or an alternating current in a utilisation circuit |
| 12/10/1986 | EP0204038A1 Method of operating a secondary battery |
| 12/09/1986 | CA1215147A1 Polyphase assembly |
| 12/09/1986 | CA1215113A1 Current stabilizing with starting circuit |
| 12/04/1986 | WO1986007187A1 Digital cathode current control loop |
| 12/03/1986 | CN86100063A Dc to dc converter |
| 12/02/1986 | US4626983 Power conversion device for solar cell |
| 12/02/1986 | US4626976 Switch mode power supply having magnetically controlled output |
| 12/02/1986 | US4626956 Electromagnetic feeder drive control apparatus |
| 12/02/1986 | US4626815 Polyphase assembly |
| 12/02/1986 | US4626771 ECL slave reference generator |
| 12/02/1986 | US4626769 Voltage/current source |
| 11/26/1986 | CN86103505A Method and an arrangement for controlling the magnetizing current passing through a transformer |
| 11/25/1986 | US4625161 Control pulse generator for thyristors supplying a reactive power regulating inductor in an electrical power network |
| 11/25/1986 | CA1214517A1 Installation for a continuously variable control of the amplitude of a sinusoidal electrical alternating current |
| 11/20/1986 | EP0201636A1 Noise erasing apparatus for stimulable phosphor sheet |
| 11/18/1986 | US4623834 Dual programmable response time constants for electronic tap switching line regulators |
| 11/18/1986 | CA1214208A1 Electrical supply for ozone generator |
| 11/12/1986 | CN85103691A Trigger circuit of silicon controlling rectifier |
| 11/11/1986 | US4622629 Power supply system with improved transient response |
| 11/11/1986 | US4622513 Gating of the thyristors in an arcless tap changing regulator |
| 11/11/1986 | US4622476 Temperature compensated active resistor |
| 11/05/1986 | EP0199903A2 A control apparatus for rectifying circuits |
| 11/05/1986 | CN86102665A Control system for an electric locomotive having ac to dc converters |
| 11/05/1986 | CN85103787A High current and low ripple linear stabilized power supply device |
| 11/05/1986 | CN85103350A Low-idling-voltage source for arc welding |
| 11/04/1986 | US4621242 R.F. impedance match control system |
| 11/04/1986 | US4621199 Parallel grounding scheme |
| 11/04/1986 | CA1213562A1 Cathodic protection controller |
| 10/29/1986 | EP0199315A2 Control system for an electric locomotive having AC to DC converters |
| 10/29/1986 | CN85200850U Low consumption dynamic power factor compensator |
| 10/28/1986 | US4620140 Control device for variable speed electric motor |
| 10/23/1986 | WO1986006185A1 Electric power controller |
| 10/22/1986 | EP0198035A1 Power supply system with improved transient response |
| 10/22/1986 | CN86101648A Uninterruptible power supply with isolated bypass winding |
| 10/21/1986 | US4618814 Voltage-to-current converter circuit |
| 10/21/1986 | US4618813 High efficiency series regulator |
| 10/21/1986 | US4618812 Direct current power control on selectable voltage step-up and step-down |
| 10/21/1986 | US4618779 System for parallel power supplies |
| 10/14/1986 | US4617509 Voltage regulator for a microcomputer system |
| 10/14/1986 | US4617508 Reverse phase-control apparatus for multiplexing interconnections between power switching and control circuit modules |
| 10/14/1986 | US4617453 Thyristor controlled power source for gradually decreasing loads |
| 10/08/1986 | EP0196893A2 Temperature compensated active resistor |
| 10/08/1986 | EP0196543A2 Current control of an inductive load |
| 10/07/1986 | US4616142 Method of operating parallel-connected semiconductor switch elements |
| 09/30/1986 | US4614906 Series circuit regulating apparatus |
| 09/30/1986 | US4614880 Power supply circuitry for a microcomputer system |
| 09/30/1986 | US4614879 Pulsed motor starter for use with a photovoltaic panel |
| 09/25/1986 | WO1986005636A1 Electrical power source |
| 09/25/1986 | WO1986005604A1 Voltage/current source |
| 09/24/1986 | EP0195358A2 Low voltage control circuit |
| 09/24/1986 | EP0195267A2 Current control circuit for an electrical, preferably an electromagnetic load |
| 09/24/1986 | CN85200112U Emitting-current stabilizer with insufficient current amplificator for ionization vacuum gauge |
| 09/23/1986 | US4613810 High output programmable signal current source for low output impedance applications |
| 09/23/1986 | US4613809 Quiescent current reduction in low dropout voltage regulators |
| 09/23/1986 | US4613776 Voltage to current conversion circuit |
| 09/23/1986 | CA1211790A2 Power supply system |
| 09/17/1986 | EP0194574A2 Transient free solid state automatic power factor correction |
| 09/17/1986 | EP0194520A2 Voltage regulator for line modulators for use in transmitters for radar applications |
| 09/17/1986 | EP0194471A2 Constant current power supply system with redundancy for resistance temperature detector |
| 09/16/1986 | US4612452 Control circuit for the switching of inductive loads having a push-pull output stage |
| 09/10/1986 | EP0194249A2 Method of controlling the heating power developed in a heating element and apparatus using same |
| 09/10/1986 | CN86101718A Var compensator |
| 09/09/1986 | US4611162 Parallel voltage regulators with different operating characteristics collectively forming a single regulator with wide operating range |
| 09/02/1986 | US4609982 Power on-off control circuit |
| 09/02/1986 | US4609863 Power supply providing stabilized DC from an input voltage of AC superposed on DC without disturbing the input voltage |
| 09/02/1986 | US4609828 Single wire current share paralleling of power supplies |
| 08/27/1986 | EP0192381A1 Improvements to electronic control equipment |
| 08/27/1986 | EP0192086A1 Short-circuit protection for a linear power supply |
| 08/26/1986 | US4608529 Constant voltage circuits |