| 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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| 06/03/1987 | EP0223834A1 Digital cathode current control loop. |
| 06/03/1987 | EP0208711A4 Dc to dc converter. |
| 06/02/1987 | US4670713 Tieline control |
| 06/02/1987 | US4670706 Constant voltage generating circuit |
| 05/27/1987 | CN86107605A Alternation current voltage control device |
| 05/27/1987 | CN86106752A Automatic control devices for generating station |
| 05/26/1987 | US4669036 d.c. to d.c. converter power supply with dual regulated outputs |
| 05/26/1987 | US4669026 Power transistor thermal shutdown circuit |
| 05/26/1987 | US4668908 Power control system for electrical apparatus |
| 05/26/1987 | US4668906 Switched resistor regulator |
| 05/26/1987 | US4668903 Apparatus and method for a temperature compensated reference voltage supply |
| 05/26/1987 | CA1222279A1 Programming and control device for modified lead ballast for hid lamps |
| 05/19/1987 | US4667146 Voltage-controlled push-pull current source |
| 05/19/1987 | US4667145 Voltage regulator circuit |
| 05/19/1987 | US4667144 High frequency, high voltage MOSFET isolation amplifier |
| 05/14/1987 | DE3539848A1 Series controller |
| 05/13/1987 | EP0221775A1 Testable voted logic power circuit and method of testing the same |
| 05/13/1987 | CN85107277A All transistor ac voltage stabilizer with magnetic amplifier |
| 05/12/1987 | US4665458 Acceleration power supply |
| 05/12/1987 | US4665355 Off line capacitor-divider power supply for solid state power controller |
| 05/12/1987 | US4665322 Uninterruptible polyphase AC power supply |
| 05/07/1987 | DE3538584A1 Arrangement comprising a plurality of field effect transistors operating in parallel and applications |
| 05/06/1987 | EP0220789A2 CMOS voltage reference |
| 05/06/1987 | EP0220504A2 Multiple time delay power controller apparatus |
| 05/06/1987 | CN86202438U Silicon bidirection-controlled photoelectric automatic voltage regulator |
| 05/06/1987 | CN85107890A Power factor compensating controller with artificial intelligence |
| 05/05/1987 | US4663723 Demand estimation apparatus |
| 05/05/1987 | US4663539 Local power switching control subsystem |
| 05/05/1987 | CA1221409A1 Current source arrangement having a precision current-mirror circuit |
| 04/29/1987 | EP0219937A2 ECL slave reference generators |
| 04/29/1987 | EP0219682A2 A current to voltage converter circuit |
| 04/29/1987 | CN85108018A Converter assembly |
| 04/28/1987 | US4661765 Alternating current load power controller |
| 04/28/1987 | US4661763 Phase shifter |
| 04/28/1987 | US4661750 Device for controlling DC motor |
| 04/28/1987 | CA1221151A1 Electric device with at least one thermal cell, and its use with a modulable energy generator |
| 04/28/1987 | CA1221137A1 Device for eliminating inrush-current |
| 04/23/1987 | WO1987002526A1 Switching control apparatus for vending machine alternating current device switching |
| 04/22/1987 | EP0219158A1 Voltage-regulating circuit |
| 04/22/1987 | EP0082160B1 Static reactive compensator |
| 04/22/1987 | CN86101110A Source apparatus of driving and controlling the three-end controlled electric valve |
| 04/21/1987 | US4660122 Foldback current limiting circuit |
| 04/16/1987 | DE3536819A1 Device for a voltage regulator |
| 04/15/1987 | EP0217954A1 Electric power controller |
| 04/14/1987 | US4658341 Regulated DC power supply |
| 04/14/1987 | US4658205 Reference voltage generating circuit |
| 04/14/1987 | US4658204 Anticipatory power failure detection apparatus and method |
| 04/14/1987 | US4658202 Circuit arrangement for controlling the current through an electric load |
| 04/14/1987 | US4658201 Output circuit for diode-or connected positive three terminal voltage regulators |
| 04/14/1987 | CA1220520A1 Regulated dc power supply |
| 04/14/1987 | CA1220518A1 Electrical shock prevention means for high voltage dc regulators |
| 04/08/1987 | EP0216792A1 Voltage/current source |
| 04/01/1987 | EP0216263A2 Security apparatus for power converter |
| 03/26/1987 | WO1987001880A1 Power supply circuitry for electric or electronic controllers or regulators |
| 03/26/1987 | WO1987001834A1 Electric power converter |
| 03/26/1987 | WO1987001765A1 Solenoid driver control unit |
| 03/25/1987 | EP0215348A2 Redundant power supply system |
| 03/25/1987 | EP0215090A1 Electrical power source |
| 03/25/1987 | CN86107071A Semiconductor triode emitter inverse overvoltage protection circuit and adjustable d.c. constant voltage power supply with protection |
| 03/24/1987 | US4652770 Power source device for a load with a stand-by power supply system |
| 03/18/1987 | EP0214899A1 Semiconductor device having means for regulating power supply voltage applied thereto |
| 03/18/1987 | EP0214692A2 Monitoring a conflict detector for traffic-lights |
| 03/18/1987 | EP0214691A2 Monitor system for traffic-lights |
| 03/18/1987 | EP0214433A1 Voltage-regulating circuit for a load placed at a distance from the power supply |
| 03/17/1987 | US4651083 Integrated constant current source |
| 03/17/1987 | US4651020 Redundant power supply system |
| 03/12/1987 | WO1987001528A1 Partial shunt switching limiter for a spacecraft solar-panel or like power-source array |
| 03/11/1987 | EP0213877A2 Control device for power converter apparatus |
| 03/11/1987 | EP0213634A1 Controlled-current source arrangement |
| 03/10/1987 | US4649334 Method of and system for controlling a photovoltaic power system |
| 03/10/1987 | US4649291 Voltage reference circuit for providing a predetermined voltage to an active element circuit |
| 03/10/1987 | US4649288 Pre-start warning system and machine incorporating such system |
| 03/04/1987 | EP0211881A1 A.c. power supply systems. |
| 03/04/1987 | EP0211866A1 Integrated circuit having a variably boosted node. |
| 03/04/1987 | CN85104092A Numerical regulated power supply |
| 03/03/1987 | US4647837 Reactive-power compensator for compensating a reactive-current component in an alternating-voltage system |
| 02/26/1987 | WO1987001217A1 Device for filtering and stabilizing transients in the voltage of a network |
| 02/25/1987 | EP0211507A1 Load-dependent current limiter for the power supply of a multi-module electronia system |
| 02/25/1987 | CN85201406U High-speed low-skewness a.c. regulated power supply |
| 02/24/1987 | US4646220 DC power supply with compensated current reference |
| 02/24/1987 | US4645997 Transient free solid state automatic power factor correction |
| 02/17/1987 | US4644440 Redundant power supply arrangement with surge protection |
| 02/17/1987 | US4644256 System driven by solar energy for pumping liquids |
| 02/17/1987 | US4644253 Voltage reference source with true ground sensing and force-sense outputs referred thereto |
| 02/17/1987 | US4644251 Dual voltage tracking control device |
| 02/11/1987 | CN86102657A Automatic compensation control method and compensation system for imaginary |
| 02/10/1987 | US4642746 Circuit arrangement for feeding the regulation and control device of a regulated direct voltage converter |
| 02/10/1987 | US4642744 Regulated high voltage supply |
| 02/10/1987 | US4642743 Power supplies with magnetic amplifier voltage regulation |
| 02/10/1987 | US4642551 Current to voltage converter circuit |
| 02/10/1987 | US4642549 Ferroresonant constant AC voltage regulator |
| 02/10/1987 | CA1217812A Circuit arrangement for the compensation of reactive power in an electrical alternating-current power system |
| 02/04/1987 | EP0210192A1 Installation for the filtering and transitory stabilization of mains voltage. |
| 02/03/1987 | US4641233 AC to DC converter with voltage regulation |
| 01/29/1987 | WO1987000655A1 Monitoring circuit for control means and selective breakaway means in modular supply systems |
| 01/28/1987 | EP0209944A1 Static device for regulating energy exchange between generator or receptor systems |
| 01/27/1987 | US4639662 Thyristor circuit for current regulation |
| 01/27/1987 | US4639658 Float stabilized constant current source |
| 01/27/1987 | CA1217230A1 Temperature-compensated zener voltage reference |
| 01/24/1987 | CN86103248A Switch power supply circuit without interference of high frequency ringing |