Patents
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)
05/2003
05/27/2003US6570369 Regulator with integratable pulse drive signal
05/27/2003US6570368 Switching power supply device for suppressing an increase in ripple output voltage
05/27/2003US6570367 Voltage generator with standby operating mode
05/27/2003US6570270 Power conditioner for solar power generation system
05/22/2003WO2003043168A2 Distributed architecture control system for static power inverters
05/22/2003WO2003042800A1 Method for regulating the power supply of a number of field devices
05/22/2003US20030094998 Calibrated current source
05/22/2003US20030094932 Power supply rejection ratio optimization during test
05/22/2003CA2466666A1 Distributed architecture control system for static power inverters
05/21/2003EP1313212A1 Power supply rejection ratio optimization during test
05/21/2003EP1313185A2 Temperature dependent constant-current generating circuit
05/21/2003CN2552047Y Switch power with wide input voltage range
05/21/2003CN1109391C 半导体集成电路器件 The semiconductor integrated circuit device
05/20/2003US6567252 Protection circuit for a power supply unit and respective power supply unit
05/20/2003US6566938 System for a constant current source
05/20/2003US6566935 Power supply circuit with a voltage selector
05/20/2003US6566852 Voltage generator, output circuit for error detector, and current generator
05/20/2003US6566848 Auto-calibrating voltage regulator with dynamic set-point capability
05/20/2003US6566847 Low power charge pump regulating circuit
05/20/2003US6566766 DC-DC converter circuit, power supply selection circuit, and apparatus
05/15/2003WO2003040838A1 Electric power control apparatus
05/15/2003WO2003027791B1 Switching power supply
05/15/2003US20030090846 High voltage power supply apparatus
05/15/2003US20030090309 Voltage clamp circuit
05/15/2003US20030090251 Voltage regulator
05/15/2003US20030090250 Voltage regulator
05/15/2003US20030090249 Power supply circuit
05/14/2003EP1310851A2 Circuit for voltage regulation
05/14/2003EP1310850A2 Switchable current source
05/14/2003EP0788680B1 Electronic lamp ballast comprising a bridge circuit and an integrated circuit arrangement provided with a voltage-current converter for controlling the bridge circuit
05/14/2003CN2550822Y Pressure stabilizer
05/14/2003CN1417661A Vehicular electronic controller
05/14/2003CN1417657A Quadrant DC regulated power supply
05/14/2003CN1417656A 电压调节器 Voltage Regulator
05/13/2003US6563294 System and method for highly phased power regulation
05/08/2003WO2003038980A1 Dual input ac/dc/battery operated power supply
05/08/2003WO2003038977A2 Constant-voltage supply circuit for consumers connected to at least one line
05/08/2003US20030086226 On-vehicle electronic control device
05/08/2003US20030085754 Internal power voltage generating circuit
05/08/2003US20030085693 Voltage regulator incorporating a stabilization resistor and a circuit for limiting the output current
05/07/2003EP1308069A1 Interface circuit and method for dimming a fluorescent lamp
05/07/2003EP1057248B1 Impedance angle control method
05/07/2003CN1416612A Alternator system
05/07/2003CN1107892C Voltage to current conversion circuit for converting voltage to multiple current outputs
05/06/2003US6560157 Semiconductor device
05/06/2003US6559628 High voltage regulation circuit
05/06/2003US6559627 Voltage regulator for low-consumption circuits
05/06/2003US6559626 Voltage regulator
05/06/2003US6559623 In-rush current control for a low drop-out voltage regulator
05/02/2003EP1306965A2 Power supply unit
05/02/2003EP1305872A1 Switched mode power supply control
05/02/2003EP1305864A1 System of and method for power management
05/02/2003EP0885415B1 Triac control circuit
05/01/2003US20030081439 Dual input AC/DC/ battery operated power supply
05/01/2003US20030081436 Internal voltage step-down circuit
05/01/2003US20030080805 Temperature dependent constant-current generating circuit
04/2003
04/30/2003CN2548184Y A.C.-D.C. two-purpose power circuit for mobile telephone
04/30/2003CN2548183Y Digital A.C galvanostat
04/30/2003CN1414679A Control method of wattless compensation device and equipment
04/30/2003CN1107376C AC or bipolar equivalent or non-equipment application circuit of polar capacity
04/29/2003US6556401 Circuit arrangement for overload protection
04/29/2003US6556069 Voltage generating circuit
04/29/2003US6556068 Threshold voltage compensation circuits for low voltage and low power CMOS integrated circuits
04/29/2003US6556049 Output driver having output current compensation and method of compensating output current
04/24/2003WO2003034577A1 Method and apparatus for near losslessly measuring inductor current
04/24/2003US20030076694 Magnetic circuit using switching
04/24/2003US20030076638 Protection device for protecting a voltage source and a load supplied thereby
04/24/2003US20030076202 Magnetically influenced current or voltage regulator and a magnetically influenced converter
04/24/2003US20030076157 Circuit of bias-current sourcec with a band-gap design
04/24/2003US20030076077 Power supply controller for electronic circuits, components and corresponding devices
04/24/2003US20030075988 Rush current suppression circuit
04/24/2003DE10146753C1 Sicherheitsschaltvorrichtung zum sicheren Abschalten eines elektrischen Verbrauchers Safety switching device for safe disconnection of an electrical load
04/23/2003EP1303800A1 Magnetic controlled current or voltage regulator and transformer
04/23/2003EP1303799A2 Low-dropout voltage regulator with improved stability for all capacitive loads
04/23/2003CN1412901A Stabilized current supply with semiconductor laser
04/23/2003CN1412635A High-effective automatic compensation voltage-stabilizing power supply
04/23/2003CN1412633A 电压检测电路 Voltage detection circuit
04/23/2003CN1412626A 定影装置 The fixing device
04/22/2003US6552595 Current-controlled high voltage discharge scheme
04/22/2003US6552518 Current generator with thermal protection
04/22/2003US6552516 Regulator system for controlling output voltage and method of controlling the same
04/17/2003WO2003032104A2 Method of supplying power to low supply voltage power consumers
04/17/2003WO2003012568A3 Voltage regulator allow frequency response correction
04/17/2003US20030072581 Fixing device
04/17/2003US20030072024 Power supply control device for an image forming apparatus
04/17/2003US20030071679 Internal high voltage generation circuit capable of stably generating internal high voltage and circuit element therefor
04/17/2003US20030071677 Constant current circuit for controlling variation in output current duty caused by the input capacitance of a current mirror circuit
04/17/2003US20030071636 Method and apparatus for near losslessly measuring inductor current
04/17/2003US20030071603 Voltage-to-current conversion circuit and OTA using the same
04/17/2003US20030071602 Power supply apparatus
04/16/2003EP1303024A2 Power supply control device for an image forming apparatus
04/16/2003EP1302817A2 Fixing device
04/16/2003EP1301982A2 Low power voltage regulator circuit for use in an integrated circuit device
04/16/2003CN2545751Y IC linear valtage regulator
04/16/2003CN2545735Y Full-automatic universal AC voltage-regulated protector
04/16/2003CN1411627A Energy conserving motor controller
04/16/2003CN1410857A Control method of electronic power source voltage stabilizer and its apparatus
04/16/2003CN1410856A Electronic circuit device having harmonic suppression and voltage stabilizing function and its control method
04/16/2003CN1410855A Electric power controlling method and apparatus thereof
04/16/2003CN1106063C Compensation device and power transmission system using one compensation device