Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
12/1998
12/15/1998US5850137 Charging apparatus and current/voltage detector for use therein
12/09/1998EP0883051A1 System for supplying a regulated voltage
12/09/1998EP0882321A1 A device for control of controller equipment for the purpose of damping of oscillations in a power line
12/08/1998US5847794 Photovoltaic module with display indicator
12/08/1998US5847593 Voltage discharge circuit for a photovoltaic power source
12/08/1998US5847584 Threshold detecting device
12/08/1998US5847552 Integrated circuit with determinate power source control
12/08/1998US5847551 Voltage regulator
12/03/1998WO1998054825A1 Adjustable voltage converter utilizing a charge pump
12/03/1998WO1998054814A1 Circuit for a coupled, linearly re-adjusted electricity supply unit supplying output voltages
12/02/1998EP0881735A2 Circuit arrangement for a power supply unit
12/02/1998EP0764297A4 High-efficiency power supply
12/02/1998CN2299413Y Reactive-load compensation appts. for power transmission network
12/02/1998CN1200505A Circuit device for power supply unit
12/02/1998CN1200502A Ratio-changeable, magnetic controlled, load type non-brush, bidirectional static voltage regulator
12/01/1998US5845221 Load control system for vehicle
12/01/1998US5844760 Insulated-gate controlled semiconductor device
12/01/1998US5844440 Circuit for inrush and current limiting
12/01/1998US5844399 Battery charger control system
12/01/1998US5844329 On an aircraft
11/1998
11/25/1998EP0880086A1 A control circuit and method for a temperature sensitive device
11/25/1998CN2298616Y Automatic voltage regulation type AC. pressure regulator
11/24/1998US5841648 Adjustable voltage converter utilizing a charge pump
11/24/1998US5841312 Gating circuit having current measuring and regulating elements and a temperature measuring transistor
11/24/1998US5841271 Test mode power circuit for integrated-circuit chip
11/19/1998WO1998052111A1 Voltage regulating circuit for eliminating 'latch-up
11/19/1998CA2289935A1 Voltage regulating circuit for eliminating "latch-up"
11/18/1998EP0878981A2 Current stabiliser
11/18/1998EP0878752A1 Voltage regulation circuit for suppressing the "latch-up" effect
11/17/1998US5838151 Wireless load sharing for parallel power converters and method
11/17/1998US5838148 Power control method and apparatus for battery power supply and battery power supply system
11/12/1998WO1998051071A2 Current source and threshold voltage generation method and apparatus to be used in a circuit for removing the equalization pulses in a composite video synchronization signal
11/11/1998EP0876700A1 Intelligent power supply with staged loading capability
11/11/1998EP0811267B1 Power supply device
11/10/1998US5835383 System-interconnected generator for converting solar energy to AC power
11/10/1998US5834958 Power on system
11/10/1998US5834859 Battery backed configurable output buffer
11/10/1998US5834855 Maximum demand power control apparatus
11/10/1998CA2164819C Soft switching circuitry
11/04/1998EP0875984A1 Dimmer
11/04/1998EP0875804A1 Heater control device
11/04/1998CN1197947A Constant-voltage circuit capable of preventing overshoot at circuit output terminal
11/03/1998US5832324 Power supply unit of camera
11/03/1998US5831471 DC-stabilized power circuit
11/03/1998US5831421 Semiconductor device with supply voltage-lowering circuit
11/03/1998US5831419 Circuit and method for regulating a voltage
10/1998
10/29/1998WO1998048334A1 Precision bandgap reference circuit
10/28/1998EP0873546A1 Temperature stabilized constant fraction voltage controlled current source
10/28/1998CN2296033Y High performance capacity constant voltage power supply with parallel switches
10/28/1998CN2296032Y Intercompensating phase controlling A.C. constant voltage powder supply
10/28/1998CN1197320A Circuit device for generating internal power source voltage
10/27/1998US5828209 Voltage reference arrangement, a voltameter, a battery voltage detection arrangement, and a wireless communication device
10/27/1998US5828208 Voltage regulator usable without discrimination between input and output terminals
10/27/1998US5828206 Serial control type voltage regulator
10/27/1998US5828205 Integrated circuit with an onboard regulator having an optional external pass transistor
10/27/1998US5828204 Power supply with minimal dissipation output stage
10/22/1998DE19737590C1 Voltage supply quality improvement method e.g. for automated processes
10/21/1998EP0872789A2 Internal supply voltage generating circuit
10/21/1998CN2295286Y Contact-less reactive power automatic compensating controller
10/21/1998CN2295285Y Random power-less compensator
10/20/1998US5825214 Integrated circuit arrangement with diode characteristic
10/20/1998US5825166 Power supply self-adjusted circuit for dual or multiple voltage integrated circuits
10/20/1998US5825160 Power control circuit in wireless mobile communication system
10/15/1998WO1998045931A1 Method and arrangement in a dc-to-dc converter
10/15/1998WO1998045923A1 An apparatus for controlling and power feeding a number of power-consuming parts
10/15/1998WO1998045922A1 Apparatus for power supplying and controlling a number of external devices
10/15/1998WO1998045597A1 Device for regulating the flow of electricity through a consumer
10/15/1998DE19744686A1 Integrated semiconductor circuit assembly with HV detector circuit
10/15/1998DE19713981A1 Vorrichtung zum Zuführen eines analogen und eines digitalen Signals zu einer Recheneinheit und Vorrichtung zur Regelung des Stromflusses durch einen Verbraucher An apparatus for supplying an analog and a digital signal to an arithmetic unit and device for regulating the current flow through a consumer
10/15/1998CA2286218A1 An apparatus for controlling and power feeding a number of power-consuming parts
10/14/1998EP0870220A1 Circuit for the production of an auxiliary voltage
10/14/1998EP0745245A4 Fast responding method and apparatus for three phase a/c voltage sensing
10/14/1998CN1195920A Switching power supply
10/14/1998CN1195795A Chopper-amplifier for voltage of photovoltaic power source, in particular for timepiece
10/13/1998US5821808 Voltage circuit for preventing voltage fluctuation
10/13/1998US5821807 Low-power differential reference voltage generator
10/13/1998US5821740 For supplying power to a load from a source
10/13/1998US5821716 Method of controlling a tap changer of a transformer
10/13/1998US5821635 Method for controlling the power supplied by an electrical circuit, in particular, a sinusoidal source
10/08/1998WO1998044398A1 Apparatus for controlling a solar array power system
10/08/1998DE19748031A1 Integrated semiconductor circuit with pulse frequency variant voltage transformer
10/07/1998EP0869419A2 Fast voltage regulation without overshoot
10/07/1998EP0647365B1 Power controller device
10/07/1998CN1040155C Method for determination of parameter of digital voltage regular and controlling sub-connecting switch of transformer
10/06/1998US5818708 High-voltage AC to low-voltage DC converter
10/06/1998US5818291 Fast voltage regulation without overshoot
10/06/1998US5818214 Buck regulator circuit
10/06/1998US5818212 Reference voltage generating circuit of a semiconductor memory device
10/06/1998US5818210 Reference voltage generating circuit
10/06/1998US5818208 Flicker controllers using voltage source converters
10/06/1998US5818206 Method and apparatus for automatically detecting device specifications and providing a corresponding operating voltage
10/01/1998DE19811567A1 Precision voltage generator for generating DC reference voltage
09/1998
09/30/1998EP0868007A2 A power regulator circuit
09/30/1998EP0867064A2 System and method for providing uninterrupted power to on-board electrical equipment
09/30/1998EP0867001A1 System and method for reducing current consumption of a microcontroller
09/30/1998CN1194441A Internal constant voltage control circuit for memory device
09/30/1998CN1194440A 半导体集成电路 The semiconductor integrated circuit
09/30/1998CN1040055C An emergency power system
09/29/1998US5815446 Semiconductor memory device
09/29/1998US5815390 Voltage-to-current converter
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