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)
10/2003
10/16/2003US20030193320 Voltage regulator circuit and integrated circuit device including the same
10/15/2003EP1352302A1 Voltage regulator with static gain in reduced open loop
10/15/2003CN1448818A Voltage regulator having bidirectional current
10/08/2003CN2579075Y IGCT driving power supply
10/08/2003CN2579074Y Large area induction alarm of interfrence-free power supply
10/08/2003CN2578866Y Electronic constant current output device
10/08/2003CN1123973C Low-loss MOS transistor circuit for single-ended reversely exciting switching mains
10/08/2003CN1123972C Low-loss MOS transistor circuit for single-ended reversely exciting switching mains
10/07/2003US6631066 Apparatus and method for initiating crowbar protection in a shunt regulator
10/07/2003US6630858 Noncontact interface circuit and method for clamping supply voltage therein
10/07/2003US6630854 Controlled voltage monostable circuit
10/07/2003US6630817 Electrical circuit arrangement for converting an input voltage
10/07/2003US6630748 Load control apparatus and method having single temperature detector
10/02/2003WO2003081776A1 Driver circuit for controlling elements with capacitive control characteristics
10/02/2003US20030184540 Power circuit for display driver, display device, and camera
10/02/2003US20030184362 Voltage generating circuit capable of supplying stable output voltage regardless of external input voltage
10/02/2003US20030184314 Apparatus and method of providing output voltage
10/02/2003US20030184268 Protection circuit for miller compensated voltage regulators
10/02/2003US20030184267 Internal power-supply potential generating circuit
10/02/2003US20030184266 Inrush current suppressing device
10/01/2003EP1010230B1 An apparatus for controlling and power feeding a number of power-consuming parts
10/01/2003EP0916181B1 Voltage to current converter for high frequency applications
10/01/2003CN2577314Y Miniaturized voltage-stabilizing circuit
10/01/2003CN1445929A Solid-state relay
10/01/2003CN1445633A Power circuit
10/01/2003CN1445552A Power supply source for photoelectricity type current transformer
10/01/2003CN1122905C Power supply unit
10/01/2003CN1122904C Electric circuit for eliminating influence of voltage drop
09/2003
09/30/2003US6628535 Voltage converter with selectable DC output voltage level
09/30/2003US6628085 Limit voltage circuit using light emitting diodes as thermal-loss reducing impedances, especially for matching a saturation voltage of rechargeable cells during charging
09/30/2003US6628010 Parallel power system and an electronic apparatus using the power system
09/25/2003WO2003079172A2 A power-down scheme for an integrated circuit
09/25/2003WO2003079131A1 Switching circuit for producing an adjustable output characteristic
09/25/2003US20030182023 Load controller and method to enhance effective capacity of a photovoltaic power supply using a dynamically determined expected peak loading
09/25/2003US20030179036 Temperature compensation trim method
09/25/2003US20030178980 Composite loop compensation for low drop-out regulator
09/25/2003US20030178978 Output stage compensation circuit
09/25/2003US20030178977 Voltage converter with selectable dc output voltage level
09/25/2003US20030178976 Ultra-low quiescent current low dropout (LDO) voltage regulator with dynamic bias and bandwidth
09/25/2003US20030178643 Semiconductor device including a voltage monitoring circuit
09/24/2003EP1346612A2 Improved control circuit for power factor corrected electronic ballasts and power supplies
09/24/2003CN2575736Y USB and AUDIO pre-interface plate
09/24/2003CN2575735Y Connector of liquid crystal display
09/24/2003CN1444789A System of and method for power management
09/24/2003CN1444741A Magnetic controlled current or voltage regulator and transformer
09/24/2003CN1122355C Controllable voltage and current power supply circuit of active cappacitor regulation
09/24/2003CN1122354C Method and arrangement in DC to DC converter
09/24/2003CN1122204C Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer
09/23/2003US6624737 Voltage regulated circuit with well resistor divider
09/23/2003US6624597 Systems and methods for providing illumination in machine vision systems
09/18/2003US20030173594 Voltage converter having switching element with variable substrate potential
09/17/2003EP1345325A2 Solid-state relay
09/17/2003EP1198885B1 Electronic drive control mechanism
09/17/2003CN2574278Y Intelligent throw-over surge-lesls dynamic reactive compensation system
09/17/2003CN2574078Y Digital controlled multiple voltage source device
09/17/2003CN1442767A Linear adjustor
09/17/2003CN1121778C Power supply adapter circuit
09/16/2003US6621720 Voltage production circuit
09/16/2003US6621675 High bandwidth, high PSRR, low dropout voltage regulator
09/16/2003US6621255 Linear AC to DC regulator with synchronous rectification
09/16/2003US6621254 AC voltage triac regulator
09/16/2003US6621253 Amplifier having a variable power factor
09/12/2003WO2003075113A1 Power generating system
09/11/2003US20030169610 Voltage converter system and method having a stable output voltage
09/11/2003US20030169609 Voltage converter system and method having a stable output voltage
09/11/2003US20030169608 Voltage converter system and method having a stable output voltage
09/11/2003US20030169099 High PSRR current source
09/11/2003US20030169098 Resistance division circuit and semiconductor device
09/11/2003US20030169093 Circuit arrangement for controlling a constant current through a load
09/11/2003US20030168916 DC-DC converter circuit, power supply selection circuit, and apparatus useful for increasing conversion efficiency
09/11/2003US20030168914 Power-down scheme for an on-die voltage differentiator design
09/10/2003EP1188240B1 Load control system having an overload protection circuit
09/10/2003CN2572665Y Switch power source
09/10/2003CN2572664Y Switch power source with short circuit protection
09/10/2003CN2572646Y Small power switch power source circuit providing dc 5v and 24 v double-way isolation output
09/10/2003CN2572637Y Power supply for laboratory
09/10/2003CN2572435Y Solid state screen-grid power supply for television transmitter
09/10/2003CN1441541A In-situ high voltage switch and bus temperature detecting system and its powered method
09/10/2003CN1121000C DC-stabilized power circuit
09/09/2003US6618711 Programmable supervisory circuit and applications thereof
09/09/2003US6617833 Self-initialized soft start for Miller compensated regulators
09/04/2003WO2003073508A1 Circuit for generating a reference voltage having low temperature dependency
09/04/2003US20030164727 Power supply device, transistor driving method, recording medium
09/03/2003EP1341313A1 Reference voltage circuit
09/03/2003EP1340191A1 Voltage regulator circuit for chipcard ics
09/02/2003US6614707 Power supply circuit stably supplying power supply potential even to load consuming rapidly changing current and semiconductor memory device with same
09/02/2003US6614706 Voltage regulating circuit, in particular for semiconductor memories
09/02/2003US6614270 Potential detecting circuit having wide operating margin and semiconductor device including the same
08/2003
08/28/2003US20030162309 For receiving a power value setting signal to set strength of power and a power on/off instruction to set on or off of outputting of the power interrupts the supply of the power
08/28/2003US20030160649 Semiconductor device less susceptible to variation in threshold voltage
08/28/2003US20030160595 Power load-leveling system and packet electrical storage
08/27/2003EP1337754A1 Wind energy turbine and wind farm consisting of a plurality of wind energy turbines
08/27/2003CN2569482Y Temperature measuring and temperature controlling type electric heating chair
08/27/2003CN2569481Y Temperature measuring and temperature controlling type electric heating cushion
08/27/2003CN2569480Y Temperature measuring and temperature controlling type electric heating bedding
08/27/2003CN2569437Y 智能变压器装置 Intelligent transformer unit
08/27/2003CN1119800C Electric appliance
08/27/2003CN1119733C Constant-voltage circuit capable of preventing overshoot at circuit output terminal
08/27/2003CN1119732C Switch compensation type AC voltage stabilizing and regulation power source
08/26/2003US6611132 DC-DC converter, power supply circuit, method for controlling DC-DC converter, and method for controlling power supply circuit
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