| 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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| 10/10/1995 | US5457421 Voltage stepdown circuit including a voltage divider |
| 10/10/1995 | US5457379 Power converter |
| 10/07/1995 | CA2146413A1 Electrically operated actuator having a capacitor storing energy for returning the actuator to a preferred position upon power failure |
| 10/04/1995 | EP0675588A2 Controlling the input current drawn by a switching power converter |
| 10/04/1995 | EP0675367A2 Voltage proportional replication device using magnetoresistive sensing elements |
| 10/04/1995 | CN2209347Y Full voltage automatic voltage regulator |
| 10/03/1995 | US5455884 Stepped compound voltage control circuit of battery in combination with field-control DC motor driving circuit |
| 10/03/1995 | US5455504 Constant-current circuit |
| 10/03/1995 | US5455503 Low power switching supply circuits and methods |
| 10/03/1995 | US5455502 High speed, large-current power control circuit |
| 10/03/1995 | US5455501 Multiple output DC-DC converter with different ranges of output assurance and capable of tolerating load transients |
| 10/03/1995 | US5455491 For an AC supply circuit |
| 10/03/1995 | CA2017547C Vhf dc-dc power supply |
| 09/28/1995 | WO1995026064A1 Method and apparatus for integrated circuit voltage regulation |
| 09/28/1995 | DE4409704A1 Modular system for solar-generated DC power supply |
| 09/27/1995 | EP0639284A4 Low loss recirculation apparatus. |
| 09/26/1995 | US5453712 Circuit for accurately discharging a capacitor |
| 09/26/1995 | US5453678 Programmable-output voltage regulator |
| 09/26/1995 | US5453643 Controllable compound voltage DC/AC transforming circuit |
| 09/20/1995 | EP0672979A1 Method and device for controlling a travelling wave tube |
| 09/20/1995 | EP0672316A1 Automatic load current back regulation. |
| 09/20/1995 | EP0651921A4 Current limiters in power utility applications. |
| 09/20/1995 | CN2208288Y Voltage regulator for vehicle permanent magnetic a.c. generator |
| 09/19/1995 | US5451897 Built-in supply voltage dropping circuit |
| 09/13/1995 | CN2207597Y Digital d.c voltage stabilizer |
| 09/12/1995 | US5450310 Control system for power converter with prevention of DC magnetization in the transformer |
| 09/12/1995 | US5450305 For generating a periodically varying magnetic field |
| 09/12/1995 | US5450037 Power supplying circuit for supplying a voltage to a driving circuit |
| 09/12/1995 | US5450002 Co-controller for controlling an LTC transformer with a standard voltage regulator control |
| 09/12/1995 | US5449959 Solar battery control switch output voltage adjustment circuit |
| 09/12/1995 | CA2142786A1 Reduced open circuit voltage power supply |
| 09/08/1995 | WO1995024066A1 Current protection method and apparatus and current protected low dropout voltage circuits |
| 09/08/1995 | WO1995024005A1 An electrically controllable inductor |
| 09/06/1995 | CN2207023Y Reactive power compensation controllor |
| 09/06/1995 | CN1108017A Output buffer circuit, input buffer circuit and input/output buffer circuit for plural voltage systems |
| 09/05/1995 | US5448204 Frequency correlated precision current reference |
| 09/05/1995 | US5448199 Internal supply voltage generation circuit |
| 09/05/1995 | US5448155 For supplying power to an external circuit |
| 08/31/1995 | DE4431077C1 Overcurrent limiting device for regulator |
| 08/31/1995 | DE4406371A1 Glow-lamp and SMPS brightness control |
| 08/31/1995 | DE4405068A1 Temperature dependent voltage circuit for e.g. LCD element |
| 08/31/1995 | DE19505462A1 Switching current supply |
| 08/30/1995 | EP0669704A2 Switched-mode power supply for connection to a direct voltage source and for generating at least one regulated d.c. output voltage, and apparatus comprising such a switched-mode power supply |
| 08/30/1995 | CN2206469Y Multi-power supply parallel current output equalizing controller |
| 08/29/1995 | US5446644 DC voltage divider |
| 08/29/1995 | US5446380 Monolithic integrated voltage regulator |
| 08/29/1995 | US5446358 Stepping motor control system |
| 08/23/1995 | EP0668548A2 Heat fixing apparatus |
| 08/23/1995 | EP0667992A1 Load current fundamental filter with one cycle response |
| 08/23/1995 | CN2205975Y Computerized reactive auto-compensator |
| 08/22/1995 | US5444610 High-power modulator |
| 08/22/1995 | US5444591 IGBT fault current limiting circuit |
| 08/22/1995 | US5444412 Programming voltage regulation circuit for programmable memories |
| 08/22/1995 | US5444359 Load sensitive variable voltage motor controller |
| 08/22/1995 | US5444358 Power supply shunt regulator with current limitation circuit therein |
| 08/17/1995 | WO1995022116A1 Fast responding method and apparatus for three phase a/c voltage sensing |
| 08/16/1995 | EP0667673A1 Constant-current circuit using field-effect transistor |
| 08/16/1995 | EP0667054A1 Harmonic controller for an active power line conditioner |
| 08/16/1995 | EP0667053A1 Active power line conditioner with synchronous transformation control |
| 08/16/1995 | EP0667009A1 Motor driven step switch |
| 08/16/1995 | CN2205570Y Computerized ac voltage stabilizer |
| 08/16/1995 | CN1106959A Power regulation for redundant battery supplies |
| 08/16/1995 | CN1106940A Method for determination of parameter of voltage regular and controlling sub-connecting switch of transformer |
| 08/15/1995 | US5442538 Apparatus for controlling power converter based on output current |
| 08/15/1995 | US5442277 Internal power supply circuit for generating internal power supply potential by lowering external power supply potential |
| 08/10/1995 | WO1995021514A1 Regulated power supply unit with an electronic transformer |
| 08/10/1995 | DE4427052A1 Temperature stabilised reference voltage generator for IC |
| 08/10/1995 | DE4403956A1 Variable output transformer group with tap-changing facility |
| 08/10/1995 | DE4403707A1 Geregelte Stromversorgungseinheit mit einem elektronischen Transformator Regulated power supply unit with an electronic transformer |
| 08/10/1995 | DE19503361A1 Stromversorgungsvorrichtung und Steuerverfahren Power supply apparatus and control method |
| 08/09/1995 | CN2205023Y A.C. voltage stabilizer without large power industrial frequency transformer |
| 08/09/1995 | CN1106594A Power apparatus |
| 08/08/1995 | US5440475 Electronic Ballast with low harmonic distortion |
| 08/08/1995 | US5440223 Switching power circuit with redundant structure |
| 08/03/1995 | WO1995020783A1 Integrated circuit |
| 08/02/1995 | EP0665631A1 Intelligent transformerless system for transferring energy from a power source to an isolated load |
| 08/02/1995 | EP0665629A2 Power control device and image forming apparatus utilizing the same |
| 08/02/1995 | EP0665483A2 Apparatus for the automatic adjustment of the optimum working point for the operation of a consumer at a voltage source |
| 08/02/1995 | CN2204433Y Safety alarming stabilizer |
| 08/02/1995 | CN1106144A Transformer switch for high-power regulated a.c. power supply |
| 08/01/1995 | US5438505 Adaptive control method for power converters |
| 08/01/1995 | US5438253 Static var generator using self-commutated inverter |
| 07/26/1995 | EP0664598A2 Power supply system |
| 07/26/1995 | EP0664502A2 Oscillating circuit |
| 07/25/1995 | US5436551 Micropower regulator |
| 07/20/1995 | WO1995019653A1 Power supply voltage supplying circuit |
| 07/20/1995 | CA2181143A1 Power supply voltage supplying circuit |
| 07/19/1995 | EP0663727A1 Output buffer circuit, input buffer circuit and bi-directional buffer circuit for plural voltage systems |
| 07/19/1995 | CN1105488A High efficiency switch mode regulator |
| 07/18/1995 | US5434533 Reference voltage generating circuit temperature-compensated without addition of manufacturing step and semiconductor device using the same |
| 07/18/1995 | US5434498 Fuse programmable voltage converter with a secondary tuning path |
| 07/18/1995 | US5434474 Lighting apparatus for discharge lamp |
| 07/18/1995 | CA2018055C Superconductive voltage stabilizer |
| 07/18/1995 | CA2014313C Gate pulse generator for static var compensator |
| 07/13/1995 | WO1995019054A1 Wide band constant current source for use in battery chargers |
| 07/12/1995 | EP0662748A2 Voltage regulator and method therefor |
| 07/11/1995 | US5432945 Output control and protection device, in particular for programmable automatic controllers |
| 07/11/1995 | US5432693 Digital pulse width modulator circuit with proportional dither |
| 07/11/1995 | US5432428 Wide band constant current source for use in battery chargers |
| 07/11/1995 | CA2022282C Arrangement of automatically restoring normal operation of latch-in-relay |