| 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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| 11/27/2008 | US20080290849 Voltage regulation system |
| 11/27/2008 | US20080290848 Voltage regulator with managed gate-drive voltage |
| 11/27/2008 | US20080290847 Method and apparatus for controlling a supply current for a circuit or a plurality of circuit blocks |
| 11/27/2008 | US20080290845 Charge-transfer apparatus and method |
| 11/27/2008 | US20080290737 Semiconductor circuit device and data processing system |
| 11/27/2008 | US20080290734 Switching pulse generating circuit and regulator using the same |
| 11/27/2008 | DE202008011407U1 Netzgerät mit geringem Standby-Stromverbrauch Power supply with low standby power consumption |
| 11/27/2008 | DE10213515B4 Vorrichtung zur Erzeugung einer Versorgungsspannung mit einem Shuntregler An apparatus for generating a supply voltage with a shunt regulator |
| 11/27/2008 | DE102007012590B3 Solarmodul Solar module |
| 11/26/2008 | EP1995656A1 Method for performance adjustment |
| 11/26/2008 | EP1995655A1 Voltage regulation system |
| 11/26/2008 | EP1994460A1 A power converter |
| 11/26/2008 | CN101313263A Pre-biased circuit for synchronous rectified power converters |
| 11/26/2008 | CN101311869A Electric current output circuit possessing voltage bias control and its method |
| 11/26/2008 | CN100438301C Startup power supply of chain inverter for static synchronous compensator |
| 11/26/2008 | CN100438299C Power supply having multi-vector error amplifier for power factor correction |
| 11/26/2008 | CN100438296C DC-DC converter |
| 11/26/2008 | CN100438295C DC-DC converter with multiple outputs |
| 11/26/2008 | CN100438293C Cascadable current-mode regulator |
| 11/26/2008 | CN100438292C Digital switch power amplifier for magnetic suspension flywheel magnetic bearing system |
| 11/26/2008 | CN100438287C DC-toDC. boost converting device and method |
| 11/26/2008 | CN100438256C Power-less compensation control method |
| 11/26/2008 | CN100437415C Low-pressure drop stabilizer with common-mode negative feedback |
| 11/26/2008 | CN100437414C Power supply device and vehicle lamp |
| 11/26/2008 | CN100437413C DC-to-DC power regulator having non-linear load line and automatic leakage current offset adjustment |
| 11/26/2008 | CN100437412C Compensating adjuster with reinforcing processing load current rapid attenuation ability |
| 11/26/2008 | CN100437411C System for voltage stabilization of power supply lines |
| 11/26/2008 | CN100437410C Power redgulator employing sinusoidal refferene |
| 11/26/2008 | CN100437409C Single-stage pfc + ballast control circuit/general purpose power converter |
| 11/25/2008 | US7458028 Graphical interface for configuring a power supply controller |
| 11/25/2008 | US7457140 Power converter with hysteretic control |
| 11/25/2008 | US7456819 Lamp driving device, backlight assembly and liquid crystal display apparatus having the same |
| 11/25/2008 | US7456816 Lamp frequency control system for display and method for controlling lamp frequency |
| 11/25/2008 | US7456681 Power supply voltage step-down circuit, delay circuit, and semiconductor device having the delay circuit |
| 11/25/2008 | US7456680 Internal voltage generating circuit and semiconductor integrated circuit device |
| 11/25/2008 | US7456679 Reference circuit and method for generating a reference signal from a reference circuit |
| 11/25/2008 | US7456678 Apparatus and method for providing a temperature compensated reference current |
| 11/25/2008 | US7456677 Fractional gain circuit with switched capacitors and smoothed gain transitions for buck voltage regulation |
| 11/25/2008 | US7456625 Electric circuit |
| 11/25/2008 | US7456624 PWM control scheme under light load |
| 11/25/2008 | US7456623 DC-DC converter and control circuit for DC-DC converter |
| 11/25/2008 | US7456622 Circuit for starting up a synchronous step-up DC/DC converter and the method thereof |
| 11/25/2008 | US7456621 Digital controller based power factor correction circuit |
| 11/25/2008 | US7456620 Determining dead times in switched-mode DC-DC converters |
| 11/25/2008 | US7456619 Power supply circuit |
| 11/25/2008 | US7456618 Digital controller for a voltage regulator module |
| 11/25/2008 | US7456617 System for controlling and monitoring an array of point-of-load regulators by a host |
| 11/25/2008 | US7456604 Electric power control apparatus, power generation system and power grid system |
| 11/25/2008 | US7456589 Light output modulation for data transmission |
| 11/25/2008 | US7456588 Arrangement and method for providing power line communication from an AC power source to a circuit for powering a load, and electronic ballasts therefor |
| 11/25/2008 | US7456584 Light emitting element driving apparatus, method of driving a light emitting element and computer readable recording medium |
| 11/25/2008 | US7456523 Power generation system, and administration apparatus and administration method of power generation system |
| 11/20/2008 | WO2008140096A1 Overcurrent protection device |
| 11/20/2008 | WO2008096249A3 Led driver |
| 11/20/2008 | WO2008090035A3 Device, system and method for reducing the consumption of closed-circuit current of a motor vehicle |
| 11/20/2008 | US20080288118 Network radiality in reconfiguration of a radial power distribution system using a matrix-structured knowledge-based system |
| 11/20/2008 | US20080285339 Voltage reference generator using big flash cell |
| 11/20/2008 | US20080285198 Over-current protection circuit |
| 11/20/2008 | US20080285185 Semiconductor integrated circuit |
| 11/20/2008 | US20080284502 Current biasing circuit |
| 11/20/2008 | US20080284499 N-stage exponential charge pumps, charging stage thereof and methods of operation thereof |
| 11/20/2008 | US20080284498 Type of Charge Pump Apparatus and Power Source Circuit |
| 11/20/2008 | US20080284496 Internal voltage generation circuit for semiconductor device and method for generating internal voltage therein |
| 11/20/2008 | US20080284486 Internal voltage generator of semiconductor device and method for generating internal voltage |
| 11/20/2008 | US20080284407 Electronic circuit power supply device and electronic circuit |
| 11/20/2008 | US20080284402 Power Supply Unit and Portable Apparatus Using the Same |
| 11/20/2008 | US20080284401 Methods and apparatus to control a digital power supply |
| 11/20/2008 | US20080284400 Methods and apparatus to monitor a digital power supply |
| 11/20/2008 | US20080284399 Methods and apparatus for controlling a digital power supply |
| 11/20/2008 | US20080284398 Controller having comp node voltage shift cancellation for improved discontinuous conduction mode (DCM) regulator performance and related methods |
| 11/20/2008 | US20080284397 Digital voltage converter and control method thereof |
| 11/20/2008 | US20080284396 Semiconductor device provided with feedback circuit including resistive element and capacitive element |
| 11/20/2008 | US20080284395 Low Dropout Voltage regulator |
| 11/20/2008 | US20080284394 Low dropout voltage regulator with improved voltage controlled current source |
| 11/20/2008 | US20080284393 Reduced Noise Low Drop Output Arrangement |
| 11/20/2008 | US20080284392 Constant voltage power supply circuit and method of testing the same |
| 11/20/2008 | US20080284391 Fault protection circuit, method of operating a fault protection circuit and a voltage regulator employing the same |
| 11/20/2008 | US20080284390 Dc-dc converter |
| 11/20/2008 | US20080284389 Power supply apparatus |
| 11/20/2008 | US20080284388 Methods and apparatus to handle a reference voltage change in a digital power supply |
| 11/20/2008 | US20080284387 Bidirectional no load control with overshoot protection |
| 11/19/2008 | EP1991919A1 A hybrid on-load tap changer and a method of operating the same |
| 11/19/2008 | EP1761931A4 Internal voltage generator scheme and power management method |
| 11/19/2008 | EP1761832B1 Method and circuit for active power factor correction |
| 11/19/2008 | EP1377888B1 Digital dimming fluorescent ballast |
| 11/19/2008 | EP1145413B1 Arrangement for eliminating radio interferences in an electronic power regulator |
| 11/19/2008 | CN201153241Y Full-electric voltage transformation circuit |
| 11/19/2008 | CN201152948Y Variable outputting linear voltage regulator having short circuit protection |
| 11/19/2008 | CN201152947Y Preferred electric power for intelligent controller |
| 11/19/2008 | CN201152946Y Vehicle mounted intelligent AC voltage regulator |
| 11/19/2008 | CN101310236A An led assembly with a communication protocol for led light engines |
| 11/19/2008 | CN101308392A Constant power output control circuit for communication power supply |
| 11/19/2008 | CN101308391A High precision low pressure difference linear voltage-stabilizing circuit |
| 11/19/2008 | CN101308390A Pulse adding scheme for smoothing phase interruption |
| 11/19/2008 | CN100435461C Automatic adapting voltage positioning high-speed pulsewidth modulation controller and method |
| 11/19/2008 | CN100435460C Mode conversion control circuit and method of charge pump |
| 11/19/2008 | CN100435448C Active current sharing circuit |
| 11/19/2008 | CN100435444C Overvoltage protection circuit, and power source, power supply system and electronic apparatus |
| 11/19/2008 | CN100435238C System for controlling mode changes in a voltage down-converter |
| 11/19/2008 | CN100435059C Method for controlling power output of fuel cell |