| 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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| 03/18/1997 | US5612613 Reference voltage generation circuit |
| 03/18/1997 | US5612610 DC-to-DC converter operating in a discontinuous mode |
| 03/13/1997 | WO1997009869A1 System and method for optimizing energy efficiency of a building system for a target energy consumption level |
| 03/12/1997 | EP0762599A2 Power unit and method for its control and regulation |
| 03/12/1997 | EP0762597A2 Power control method and apparatus for battery power supply and battery power supply system |
| 03/12/1997 | EP0762134A2 Current magnitude sensing circuit |
| 03/12/1997 | CN1144925A Load tip-off exchanger type ac. constant voltage device |
| 03/11/1997 | US5610550 Intermediate potential generator stably providing an internal voltage precisely held at a predeterminded intermediate potential level with reduced current consumption |
| 03/11/1997 | US5610542 Power-up detection circuit |
| 03/11/1997 | US5610506 Voltage reference circuit |
| 03/11/1997 | US5610504 Automatic regulating circuit for regulating target signal through binary search |
| 03/11/1997 | US5610503 Low voltage DC-to-DC power converter integrated circuit and related methods |
| 03/11/1997 | US5610502 Boost power supply with clock period compensation |
| 03/11/1997 | US5610501 Dynamic power and voltage regulator for an ac transmission line |
| 03/11/1997 | US5610450 Power supply apparatus for efficiently utilizing battery and electronic apparatus using the power supply |
| 03/06/1997 | WO1997008823A2 Circuit arrangement provided with a voltage - current converter |
| 03/06/1997 | WO1997008601A1 Process for controlling the power output of an electric circuit, in particular a sinusoidal wave source |
| 03/06/1997 | DE19543786C1 Full utilisation of solar energy in small, stationary facilities |
| 03/05/1997 | EP0760513A2 A voltage circuit for preventing voltage fluctuation |
| 03/05/1997 | EP0760114A1 Dual voltage voltage regulator with foldback current limiting |
| 03/04/1997 | US5608313 Circuit arrangement for generating a constant output voltage |
| 03/04/1997 | US5608311 For inputting an ac voltage signal into an input of a digital processor |
| 03/04/1997 | US5607604 Apparatus for detecting voltage across thyristor in alternating-current resistance welding machine |
| 02/27/1997 | WO1997007409A1 Vcc level detection circuit |
| 02/27/1997 | DE19633971A1 Current supply circuit for driving integrated circuit on chip, such as semiconductor memory |
| 02/26/1997 | EP0759655A2 Method and device for reducing power consumption of an electric apparatus fed by a voltage converter |
| 02/26/1997 | EP0759587A1 Method for regulating a step switch |
| 02/26/1997 | EP0759234A1 Switch with controlled rise and fall characteristics |
| 02/26/1997 | CN2248416Y Permanent-magnet claw pole rotor voltage-stabilized power generator |
| 02/25/1997 | US5606704 Active power down for PC card I/O applications |
| 02/25/1997 | US5606492 Intermittent on/off regulator type DC power supply |
| 02/20/1997 | WO1997006598A1 Appliance ac power control apparatus |
| 02/20/1997 | DE19530064A1 Controlled converter with at least two secondary circuits |
| 02/19/1997 | EP0513346B1 Solid state current controlled interruption system |
| 02/18/1997 | US5604430 Solar array maximum power tracker with arcjet load |
| 02/18/1997 | US5604428 Device for generating intermediate voltages |
| 02/18/1997 | US5604425 Power limiting regulator |
| 02/18/1997 | US5604423 Tap changing system having discrete cycle modulation and fault rotation for coupling to an inductive device |
| 02/13/1997 | WO1997005536A1 Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
| 02/12/1997 | EP0758160A1 Driving pulse limiting circuit |
| 02/11/1997 | US5602792 Semiconductor device having supply voltage converting circuits |
| 02/11/1997 | US5602726 Uninterruptive switching regulator |
| 02/11/1997 | US5602463 DC power supply with enhanced input power factor using a buck and boost converter |
| 02/11/1997 | US5602462 Uninterruptible power system |
| 02/06/1997 | WO1997004373A1 A voltage reference arrangement, a voltameter, a battery voltage detection arrangement, and a wireless communication device |
| 02/05/1997 | EP0757352A1 Threshold detecting device |
| 02/05/1997 | EP0756783A1 Impedance emulator |
| 02/05/1997 | EP0756779A1 Device for converting a resistance value into a control signal which depends on the resistance value, and electrical apparatus comprising such a device |
| 02/04/1997 | US5600552 Direct current power supply for use in series with a load in an alternating current circuit |
| 02/04/1997 | US5600234 Switch mode power converter and method |
| 02/04/1997 | US5600233 Electronic power control circuit |
| 02/04/1997 | US5600186 Capacitor voltage divider circuit |
| 01/30/1997 | WO1997003494A1 Converter circuit to which sine wave is inputted |
| 01/29/1997 | EP0756372A1 Control apparatus of inverter and power generation system using such control apparatus |
| 01/29/1997 | EP0756222A2 Clamp circuit for remotely sensed voltage |
| 01/29/1997 | EP0756221A2 Method and apparatus for controlling the tension in circuits for transport vehicles |
| 01/29/1997 | EP0756178A2 Power supply device characteristic measuring apparatus and method |
| 01/29/1997 | EP0708998B1 Buffered d.c. power supply |
| 01/28/1997 | US5598092 DC-DC converter |
| 01/28/1997 | US5598064 Method and device for reducing beam current modulation caused by mechanical vibrations in a TWT |
| 01/28/1997 | CA2070614C Reactive power control system |
| 01/23/1997 | WO1997002519A1 Voltage regulator controller having means for automatic configuration of accessory devices |
| 01/23/1997 | WO1997002518A1 Voltage regulator |
| 01/23/1997 | DE19627989A1 Multiplying circuit for variable resistive load power measurement e.g. of plasma arc |
| 01/22/1997 | EP0754303A1 Reliable voltage monitoring system |
| 01/22/1997 | CN2245817Y Universal electronic automatic stabilizing charging machine |
| 01/22/1997 | CN2245781Y Time-sharing reactive compensation equipment for single chip processor controlled whole solid-state power system |
| 01/22/1997 | CN2245780Y Switch voltage-stabilizing power |
| 01/21/1997 | USRE35428 Electronic rheostat method and apparatus |
| 01/21/1997 | US5596465 Overcurrent protection circuit for a dc-to-dc converter |
| 01/21/1997 | US5596263 Electrical power distribution system apparatus-resident personality memory module |
| 01/16/1997 | WO1997001809A1 Direct load current sensing for predicted regulator tap position |
| 01/16/1997 | WO1997001808A1 Load voltage based tap changer monitoring system |
| 01/15/1997 | EP0753807A1 Power supply |
| 01/15/1997 | EP0683933B1 An emergency power system |
| 01/15/1997 | CN2245230Y Voltage regulator for ac manostat controlled by digital code |
| 01/15/1997 | CN2245229Y AC purifying regulated power supply |
| 01/15/1997 | CN2245228Y High efficiency wide range stage number superimposing type ac manostat |
| 01/15/1997 | CN2245227Y AC electronic manostat |
| 01/15/1997 | CN1140530A Regulated power supply unit with electronic transformer |
| 01/14/1997 | US5594373 Output driver circuitry with selective limited output high voltage |
| 01/14/1997 | US5594359 Voltage generating circuit for IC test |
| 01/14/1997 | US5594325 Spacecraft power system architecture to mitigate spacecraft charging effects |
| 01/14/1997 | US5594319 Battery pack having theft deterrent circuit |
| 01/14/1997 | US5594286 Power control system for electrical power supply modules |
| 01/09/1997 | DE19600547A1 Inverter protection circuit for industrial electrical power mains network |
| 01/08/1997 | EP0752167A1 Method and apparatus for integrated circuit voltage regulation |
| 01/07/1997 | US5592353 Power supply system |
| 01/07/1997 | US5592128 Oscillator for generating a varying amplitude feed forward PFC modulation ramp |
| 01/07/1997 | US5592121 Internal power-supply voltage supplier of semiconductor integrated circuit |
| 01/07/1997 | US5592075 Circuit configuration for supplying electrical consumers with a constant voltage |
| 01/07/1997 | US5592073 Triac control circuit |
| 01/07/1997 | US5592072 For receiving an input voltage and outputting a regulated output voltage |
| 01/07/1997 | US5592071 Method and apparatus for self-regeneration synchronous regulator |
| 01/02/1997 | EP0751576A2 Circuit arrangement of solar cells |
| 01/02/1997 | EP0751452A1 Input interface using multiplex type input circuit |
| 01/02/1997 | EP0751451A1 Reference voltage generator, having a double slope temperature characteristic, for a voltage regulator of an automotive alternator |
| 01/02/1997 | EP0751046A1 Load control system for vehicle |
| 01/02/1997 | EP0750803A1 Current protection method and apparatus and current protected low dropout voltage circuits |
| 01/02/1997 | EP0483214B1 Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency |