| 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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| 09/02/1997 | US5663634 Startup network for a flyback converter with linear regulation |
| 09/02/1997 | US5663626 Applied-voltage fuzzy control process for induction motors and device for performing it |
| 08/28/1997 | WO1997031304A1 Self-compensating resonant switching power converter |
| 08/27/1997 | EP0792084A2 Microwave oven control |
| 08/27/1997 | EP0792083A2 A method for controlling a microwave oven to prevent overcooking of small food portions |
| 08/27/1997 | EP0791999A1 Electronic trip device with a power supply |
| 08/27/1997 | EP0791280A1 System and method for optimizing energy efficiency of a building system for a target energy consumption level |
| 08/27/1997 | EP0791264A1 Supply voltage switching apparatus |
| 08/27/1997 | CN1158172A A voltage preference apparatus, a voltameter, a battery voltage detection apparatus, and a wireless communication device |
| 08/26/1997 | US5661626 Excess current detection and control circuit for power source in semiconductor test system |
| 08/26/1997 | US5661394 Switching power supply |
| 08/26/1997 | US5661374 LED light strip with brightness/current draw control circuitry |
| 08/20/1997 | EP0789866A1 Voltage reference with testing and self-calibration |
| 08/20/1997 | EP0647388B1 A power controller, for example a dimmer for electric lamps |
| 08/19/1997 | US5659260 Semiconductor circuit device |
| 08/19/1997 | US5659241 DC/DC converter and audio device incorporating the same |
| 08/19/1997 | CA2096627C Reference voltage generator for dynamic random access memory |
| 08/14/1997 | WO1997020375A3 Apparatus and method for interline power flow control |
| 08/14/1997 | DE19700442A1 Control circuitry for HV supplies |
| 08/13/1997 | EP0788685A1 Method and apparatus for controlling the voltage supplied to a semiconductor device |
| 08/13/1997 | EP0788680A1 Circuit arrangement provided with a voltage - current converter |
| 08/13/1997 | EP0604485B1 Device for generating intermediate voltages |
| 08/13/1997 | CN2259640Y Equivalent vector conversion compensating AC voltage stabilizer |
| 08/12/1997 | US5657195 Overcurrent protection device |
| 08/12/1997 | US5656968 Circuit arrangement for regulating the load current of a power MOSFET |
| 08/06/1997 | CN1156271A Internal power source circuit for low energy consumption |
| 08/05/1997 | US5654883 Power control apparatus and method and power generating system using them |
| 08/05/1997 | US5654882 Power converter and air conditioner using same |
| 08/05/1997 | US5654654 For a measurement system |
| 08/05/1997 | US5654628 Circuit configuration for generating a controlled output voltage |
| 08/05/1997 | US5654627 Method of automatically changing upper, balanced and lower voltage in electric power saving transformer and the device of the same |
| 08/05/1997 | CA2040211C Gate pulse generator of a reactive power compensation device |
| 07/31/1997 | WO1997027658A1 Intelligent power supply with staged loading capability |
| 07/30/1997 | EP0786863A2 Switch closing time controlled variable capacitor |
| 07/30/1997 | EP0786857A1 Converter circuit to which sine wave is inputted |
| 07/30/1997 | EP0786776A1 Semi-conductor integrated circuit device having an internal power supply circuit capable of stably maintaining output level against load fluctuation |
| 07/30/1997 | EP0786714A2 Method and apparatus for adjusting the intensity of a current or voltage controlled lighting means for rear lighting of a display device especially for motor vehicles |
| 07/30/1997 | EP0786713A2 Five volt tolerant protection circuit |
| 07/30/1997 | CN1155967A Electrical power control system |
| 07/29/1997 | US5652504 Energy saving power control system |
| 07/24/1997 | WO1997026696A1 A device for control of controller equipment for the purpose of damping of oscillations in a power line |
| 07/23/1997 | EP0784811A1 An improved variable-voltage cpu voltage regulator |
| 07/23/1997 | EP0208711B1 Dc to dc converter |
| 07/22/1997 | US5650973 PCMCIA power multiplexer integrated circuit with programmable decode |
| 07/22/1997 | US5650716 Timer device controlled by a switch |
| 07/22/1997 | US5650715 Method and apparatus for sensing current in power supplies |
| 07/22/1997 | US5650668 For regulating energy delivered to a power consuming apparatus |
| 07/17/1997 | WO1997021265A3 System and method for providing uninterrupted power to on-board electrical equipment |
| 07/17/1997 | DE19701159A1 Reaction-free voltage converter e.g. for powering lamps on trailer with 12 volt circuitry from tractor with 24 volt circuit |
| 07/17/1997 | DE19614861A1 Maximum power tracker for solar cell applications |
| 07/16/1997 | CN2257936Y 功率调节器 Power regulator |
| 07/15/1997 | US5648766 Electronic device |
| 07/15/1997 | US5648731 Method of checking solar panel characteristics in an operating solar electrical system |
| 07/15/1997 | US5648718 Voltage regulator with load pole stabilization |
| 07/10/1997 | WO1997024650A1 Temperature stabilized constant fraction voltage controlled current source |
| 07/10/1997 | WO1997024649A1 Circuit for the production of an auxiliary voltage |
| 07/10/1997 | WO1997021158A3 Overload protection unit for readjusting switching elements |
| 07/09/1997 | EP0782784A1 Process for regulating a four-quadrant regulator operating as a mains converter |
| 07/08/1997 | US5646833 Apparatus and method for deriving power for switching a switch from voltage across the switch |
| 07/08/1997 | US5646514 AC/DC converter using a non-latch type switching device |
| 07/08/1997 | US5646512 Multifunction adaptive controls for tapswitches and capacitors |
| 07/03/1997 | DE19548986A1 Schaltungsanordnung zur Hilfsspannungserzeugung Circuit arrangement for auxiliary power generation |
| 07/02/1997 | EP0782236A1 Circuit for the protection against overcurrents in power electronic devices, and corresponding method |
| 07/02/1997 | CN1153332A Shunt type AC compensation voltage stabilizing system |
| 07/01/1997 | US5644219 Solar energy system |
| 07/01/1997 | US5644215 Circuit and method for regulating a voltage |
| 07/01/1997 | US5643475 Power supply apparatus |
| 06/29/1997 | CA2166247A1 Supervisory circuit |
| 06/26/1997 | WO1997022917A1 System and method for reducing current consumption of a microcontroller |
| 06/26/1997 | CA2240370A1 System and method for reducing current consumption of a microcontroller |
| 06/25/1997 | EP0780750A2 Inventer control method and inventer apparatus using the method |
| 06/24/1997 | US5642290 Expansion chassis for a voltage regulator controller |
| 06/24/1997 | US5642267 Single-stage, unity power factor switching converter with voltage bidirectional switch and fast output regulation |
| 06/24/1997 | US5642064 Voltage to current conversion circuit including a differential amplifier |
| 06/24/1997 | US5642063 Current-saving detection for input signal level exceeding a threshold value |
| 06/24/1997 | US5642036 Electrical consumption stabilizing method and apparatus |
| 06/24/1997 | US5642034 Regulated power supply circuit permitting an adjustment of output current when the output thereof is grounded |
| 06/24/1997 | US5642033 Overload-protected and reference-voltage-loss-protected electronic voltage regulator for vehicular-type alternators that both tolerates momentary high field currents and suppresses low frequency noise |
| 06/24/1997 | US5642007 Series compensator inserting real and reactive impedance into electric power system for damping power oscillations |
| 06/18/1997 | EP0779702A2 Electric circuit for converting and input voltage |
| 06/18/1997 | EP0779700A2 DC power supply with enhanced input power factor |
| 06/18/1997 | EP0779631A2 Current control apparatus of pulse-width modulation and its method of controlling current |
| 06/18/1997 | EP0779568A2 Programmable bandwidth voltage regulator |
| 06/18/1997 | CN2256554Y Double carbon brush compensating ac. voltage stabilizer |
| 06/18/1997 | CN1152362A Voltage regulator |
| 06/18/1997 | CN1152361A Dual voltage voltage regulator with foldback current limiting |
| 06/18/1997 | CN1152360A High-efficiency power supply |
| 06/18/1997 | CN1152208A Circuit for improved load transient response in power supplies |
| 06/18/1997 | CN1035154C Electronic medicine permeation apparatus |
| 06/17/1997 | US5640084 Integrated switch for selecting a fixed and an adjustable voltage reference at a low supply voltage |
| 06/17/1997 | US5640082 Duty cycle controlled switch variable capacitor circuit |
| 06/12/1997 | WO1997021265A2 System and method for providing uninterrupted power to on-board electrical equipment |
| 06/12/1997 | WO1997021158A2 Overload protection unit for readjusting switching elements |
| 06/12/1997 | DE19545553A1 Überlastschutz für Nachregelschaltelemente Overload protection for Nachregelschaltelemente |
| 06/12/1997 | CA2239621A1 System and method for providing uninterrupted power to on-board electrical equipment |
| 06/11/1997 | EP0778659A2 Resonant converter with controlled inductor |
| 06/11/1997 | EP0778647A2 High side current sense amplifier |
| 06/11/1997 | EP0778510A1 Highly symmetrical bi-directional current sources |
| 06/11/1997 | EP0777872A1 Low frequency square wave electronic ballast for gas discharge devices |
| 06/11/1997 | CN2256112Y Large sine current stabilizing power supply |