| 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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| 08/13/1985 | US4535276 Output circuit and brushless motor using the same |
| 08/13/1985 | CA1191896A1 Static var generator for transmission line compensation of subsynchronous resonance |
| 08/13/1985 | CA1191894A1 Ferroresonant power supply stabilizer circuit |
| 08/13/1985 | CA1191891A1 Power conversion equipment |
| 08/07/1985 | EP0150797A2 Switch mode power supply having magnetically controlled output |
| 08/06/1985 | US4533865 Circuit arrangement for identifying and storing power line faults |
| 08/06/1985 | US4533846 Integrated circuit high voltage clamping systems |
| 07/31/1985 | EP0149960A1 Voltage reference circuit |
| 07/30/1985 | US4532582 Voltage regulator system using magnetic controllers |
| 07/30/1985 | US4532468 Temperature-compensating voltage generator circuit |
| 07/30/1985 | US4532467 CMOS Circuits with parameter adapted voltage regulator |
| 07/30/1985 | US4532466 Constant current source for field contact input |
| 07/23/1985 | US4531173 Protective power foldback circuit for a power semiconductor |
| 07/23/1985 | US4531086 Device for stabilizing the voltage of a single- or multi-phase a-c network |
| 07/23/1985 | CA1190965A1 Regulation of multiple-output dc-dc converters |
| 07/23/1985 | CA1190764A1 Temperature compensated circuit |
| 07/16/1985 | US4529928 Automatic control circuit for a current translating device |
| 07/16/1985 | US4529925 Reactive power compensating cycloconverter |
| 07/10/1985 | EP0147573A1 Air flow meter circuit with temperature compensation circuit |
| 07/09/1985 | US4528608 Electronic current interrupter included in a DC distribution system |
| 07/09/1985 | US4528495 Floating precision current source |
| 07/09/1985 | US4528494 Reverse-phase-control power switching circuit and method |
| 07/09/1985 | US4528460 Cathodic protection controller |
| 07/09/1985 | CA1190283A1 Electronic infinite heat control |
| 07/03/1985 | EP0016756B1 Circuit for energising a gas discharge lamp |
| 07/02/1985 | US4527078 Signal translator with supply voltage compensation particularly for use as interface between current tree logic and transistor-transistor logic |
| 07/02/1985 | CA1189918A1 Voltage controlled variable gain circuit |
| 06/25/1985 | US4525621 Electronic welding energy source |
| 06/19/1985 | EP0145559A2 Electrical device containing at least one thermal cell, and its use as an energy generator that can be modulated |
| 06/19/1985 | EP0145317A2 Parallel grounding scheme |
| 06/19/1985 | EP0145312A1 Precision voltage reference for systems such as analog to digital converters |
| 06/19/1985 | EP0145254A2 Voltage converting circuit |
| 06/19/1985 | EP0144556A1 Reactive power compensator for compensating a reactive current component in an AC network |
| 06/18/1985 | US4524399 Magnetic disk memory power supply |
| 06/18/1985 | US4524317 For use as a stepwise voltage reference |
| 06/12/1985 | EP0144262A1 Electrical power matching system |
| 06/12/1985 | EP0143955A1 Power supply system |
| 06/11/1985 | US4523217 For use in an electronic appliance |
| 06/11/1985 | US4523139 Electronic switching power supply |
| 06/05/1985 | EP0143378A2 Device and method to stabilize the working point of a HALL effect crystal |
| 06/04/1985 | CA1188361A1 Voltage regulation and battery dissipation limiter circuit |
| 05/28/1985 | US4520246 On-load tap changer of the type of vacuum switches |
| 05/28/1985 | CA1187964A1 Dumping control method and device for electrical heating installation |
| 05/15/1985 | EP0141238A1 Acceleration power supply |
| 05/14/1985 | US4517634 Power conversion equipment |
| 05/14/1985 | US4517633 Switched mode power supply with a plurality of regulated secondary outlets |
| 05/14/1985 | US4517620 Electrical feed and control circuit for the pump piston of a spray gun |
| 05/14/1985 | US4517500 Controller for electromagnetic exciter using power line subharmonic |
| 05/08/1985 | EP0140677A2 Differential amplifier using a constant-current source circuit |
| 05/08/1985 | EP0140149A1 Power conversion device for solar cell |
| 05/08/1985 | EP0140098A1 Power supply source control system |
| 05/07/1985 | US4516225 Memory circuit |
| 05/07/1985 | US4516081 Voltage controlled variable gain circuit |
| 05/02/1985 | EP0139463A1 Electromagnetic feeder drive control apparatus |
| 05/02/1985 | EP0138902A1 Mos depletion load circuit |
| 04/30/1985 | US4514668 D.C. Motor driving circuit |
| 04/30/1985 | CA1186375A1 Current stabilizing arrangement |
| 04/24/1985 | EP0138301A1 High voltage power supply |
| 04/23/1985 | US4513241 Foldback current limiting driver |
| 04/23/1985 | US4513207 Alternating comparator circuitry for improved discrete sampling resistance control |
| 04/16/1985 | US4511890 Energization indicator for time switch |
| 04/16/1985 | US4511836 Circuit arrangement for power control |
| 04/16/1985 | CA1185655A1 Power supply regulator circuit |
| 04/10/1985 | EP0136809A1 Polyphase assembly for controlling A.C. devices |
| 04/09/1985 | US4510434 Method and apparatus for the automatic setting of the optimum operating point of a d-c voltage source |
| 04/03/1985 | EP0136225A1 Power supply circuit for an ozone generator |
| 04/03/1985 | EP0135968A1 Alternating voltage converter |
| 03/26/1985 | US4507600 Two-terminal current regulator |
| 03/26/1985 | US4507569 Electrical control system and driver |
| 03/26/1985 | US4507531 Regulated microwave oven and method, using uniformly spaced, integral cycle control |
| 03/26/1985 | CA1184597A1 Ac power control circuit |
| 03/20/1985 | EP0134505A1 High voltage direct current supply with overcurrent protection |
| 03/19/1985 | US4506208 Reference voltage producing circuit |
| 03/19/1985 | US4506144 Control for radiant heating |
| 03/14/1985 | WO1985001134A1 A temperature-compensated zener voltage reference |
| 03/12/1985 | US4504882 Regulated-current source and controlled-voltage generator |
| 03/12/1985 | US4504777 Control circuit for holding constant the operating voltage of an electric load |
| 03/12/1985 | US4504775 Self oscillating, single-ended flyback converter with input voltage responsive control |
| 03/05/1985 | US4503380 Static reactive compensator |
| 03/05/1985 | CA1183574A1 Maximum power control for a solar array connected to a load |
| 02/28/1985 | WO1985000904A1 Regulated voltage supply with sense current cancellation |
| 02/26/1985 | US4502152 Low current linear/high current chopper voltage regulator |
| 02/26/1985 | US4502003 Two wire circuit having an adjustable span |
| 02/26/1985 | CA1183205A1 Circuit arrangement |
| 02/14/1985 | WO1985000684A1 Two wire circuit having an adjustable span |
| 02/12/1985 | US4499463 Apparatus for controlling electrical receivers occupying at least two states |
| 02/12/1985 | US4499416 Reference voltage circuit for obtaining a constant voltage irrespective of the fluctuations of a power supply voltage |
| 02/12/1985 | US4499358 Driving circuit for radio frequency dryer |
| 02/06/1985 | EP0037818B1 Current source having saturation protection |
| 02/05/1985 | US4497695 Plating current automatic switching method and apparatus |
| 02/05/1985 | CA1182167A1 Supply voltage sense amplifier |
| 01/31/1985 | WO1985000477A1 Controlled electric current supply unit |
| 01/29/1985 | US4496899 Control for a force commutated current source var generator |
| 01/29/1985 | CA1181806A1 Method and device for continuously controlling the phase angle in electric energy transmission equipment |
| 01/29/1985 | CA1181803A1 Switching regulated pulse width modulated push-pull converter |
| 01/16/1985 | EP0131340A1 Current stabilising circuit |
| 01/15/1985 | US4494180 Electrical power matching system |
| 01/15/1985 | US4494178 Power supply circuit |
| 01/09/1985 | EP0130261A1 D.C. powering circuit for a line interface circuit |
| 01/08/1985 | US4492914 Temperature-compensating bias circuit |