| 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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| 02/17/2009 | US7492138 Synchronous rectifier circuits and method for utilizing common source inductance of the synchronous FET |
| 02/17/2009 | US7492137 Series regulator and differential amplifier circuit thereof |
| 02/17/2009 | US7492136 Multi-phase converter with improved load step-up transient response |
| 02/17/2009 | US7492135 Switching converter |
| 02/17/2009 | US7492134 Multiphase power regulator with load adaptive phase control |
| 02/17/2009 | US7492133 Semiconductor device configured to complementarily control on/off of a high-side switching element |
| 02/17/2009 | US7492132 Switching regulator |
| 02/17/2009 | US7492131 Variable drive switching regulator architecture |
| 02/12/2009 | WO2009021182A1 Output impedance compensation for linear voltage regulators |
| 02/12/2009 | WO2009021043A1 Method and apparatus for producing a low-noise, temperature-compensated band gap voltage reference |
| 02/12/2009 | WO2009020985A1 Dual-polarity multi-output dc/dc converters and voltage regulators |
| 02/12/2009 | WO2009020939A1 Time-multiplexed multi-output dc/dc converters and voltage regulators |
| 02/12/2009 | US20090043244 Electrotransport Drug Delivery Device Adaptable to Skin Resistance Change |
| 02/12/2009 | US20090042606 Light illumination compensation for mobile computing devices |
| 02/12/2009 | US20090040795 Method and apparatus for increasing the power capability of a power supply |
| 02/12/2009 | US20090039952 System and Method for Auto-Power Gating Synthesis for Active Leakage Reduction |
| 02/12/2009 | US20090039951 Internal power supply circuit |
| 02/12/2009 | US20090039949 Method and apparatus for producing a low-noise, temperature-compensated bandgap voltage reference |
| 02/12/2009 | US20090039857 Driver with control interface facilitating use of the driver with varied dc-to-dc converter circuits |
| 02/12/2009 | US20090039856 Stability enhancement apparatus and method for a self-clocking PWM buck converter |
| 02/12/2009 | US20090039855 Scientific method to accurately regulate point of load power distribution using remote sense connection point switchover |
| 02/12/2009 | US20090039854 Load control device having a gate current sensing circuit |
| 02/12/2009 | US20090039853 Power supply device and electronic appliance provided therewith |
| 02/12/2009 | US20090039852 Digital average input current control in power converter |
| 02/12/2009 | US20090039851 Switching Control Circuit |
| 02/12/2009 | US20090039850 Control device of a switching converter and relative switching converter |
| 02/12/2009 | US20090039849 Ultra low dropout voltage regulator |
| 02/12/2009 | US20090039848 Systems and methods for on-chip power management |
| 02/12/2009 | US20090039847 Output impedance compensation for linear voltage regulators |
| 02/12/2009 | US20090039846 Semiconductor integrated circuit |
| 02/12/2009 | US20090039845 Method and apparatus for power management of a low dropout regulator |
| 02/12/2009 | US20090039844 Power supply unit and portable device |
| 02/12/2009 | US20090039843 Semiconductor circuit and switching power supply apparatus |
| 02/12/2009 | US20090039842 Dc-dc converter |
| 02/12/2009 | US20090039841 Controlling Switching Regulator for Maintaining High Efficiency for Wide Input Voltage Range |
| 02/12/2009 | US20090039840 Regulator and high voltage generator |
| 02/12/2009 | US20090039711 Dual-Polarity Multi-Output DC/DC Converters and Voltage Regulators |
| 02/11/2009 | EP2023227A1 Circuit and method for monitoring the point of maximum power for solar energy sources and solar generator incorporating said circuit |
| 02/11/2009 | EP2023226A1 Switching device for regulating a flow using a load |
| 02/11/2009 | EP1232559B1 Energy conserving motor controller |
| 02/11/2009 | CN201194438Y Fixed power limiter and lighting lamp |
| 02/11/2009 | CN201194369Y Ultra-high-voltage DC generator |
| 02/11/2009 | CN201192013Y Temperature-control flowerpot |
| 02/11/2009 | CN101365997A Negative output regulator circuit and electric device using same |
| 02/11/2009 | CN101364742A Lithium battery charger controlling integrated circuit and constant-current constant-voltage control circuit thereof |
| 02/11/2009 | CN101364738A Tracing and simulating test method for voltage reactive integrated control system |
| 02/11/2009 | CN101364737A Method capable of on-line detecting and controlling reactive compensating capacitor and reactive compensating controller thereof |
| 02/11/2009 | CN101364136A Ultra low dropout voltage regulator |
| 02/11/2009 | CN101364121A Method for producing single constant output voltage from multi-input voltage source and circuit thereof |
| 02/11/2009 | CN101364120A Semiconductor device and offset voltage adjusting method |
| 02/11/2009 | CN101364119A Wide dynamic range and low voltage difference linear constant voltage regulator |
| 02/11/2009 | CN101364118A Regulator and high voltage generator |
| 02/11/2009 | CN101364117A Non-complementary chop controlling intelligent AC voltage-stabilizing and pressure regulating method and device |
| 02/11/2009 | CN100461062C Power supply circuit |
| 02/10/2009 | US7489855 Systems and methods for driving a load |
| 02/10/2009 | US7489532 Apparatus and method for a power converter with feed-forward voltage compensation to enable a PFC circuit |
| 02/10/2009 | US7489198 Linear regulating switch |
| 02/10/2009 | US7489185 Voltage converting circuit structure |
| 02/10/2009 | US7489184 Device and method for generating a low-voltage reference |
| 02/10/2009 | US7489183 Bias control system for a power amplifier |
| 02/10/2009 | US7489182 Charge pump start up circuit and method thereof |
| 02/10/2009 | US7489121 Compensation offset adjustment scheme for fast reference voltage transitioning |
| 02/10/2009 | US7489120 Method and apparatus for a high voltage power supply circuit |
| 02/10/2009 | US7489119 DC to DC converter with reference voltage loop disturbance compensation |
| 02/10/2009 | US7489118 Method and apparatus for high-efficiency DC stabilized power supply capable of effectively reducing noises and ripples |
| 02/10/2009 | US7489117 Dynamic conversion circuit for a voltage regulator module |
| 02/10/2009 | US7489116 Power factor correction control circuit |
| 02/10/2009 | US7489115 Method in an electric net data transmission system for keeping the signal level constant in a coupling furnished with supply cable |
| 02/10/2009 | US7489090 Electronic ballast having adaptive frequency shifting |
| 02/06/2009 | CA2638600A1 A system for determining the nominal voltage of a power supply |
| 02/05/2009 | WO2009016052A1 Quick response power supply switching device and power supply network including such a switch |
| 02/05/2009 | WO2009015961A1 Electrical device having a semiconductor component |
| 02/05/2009 | US20090037030 Graphical interface for configuring a power supply controller |
| 02/05/2009 | US20090034301 Switching Power Converter Controlled by a Winding Voltage Sampler |
| 02/05/2009 | US20090033409 Bias correction device |
| 02/05/2009 | US20090033408 Voltage Pump Circuit with an Oxide Stress Control Mechanism for use in High-Voltage Applications in an Integrated Circuit |
| 02/05/2009 | US20090033407 Structure for a high output resistance, wide swing charge pump |
| 02/05/2009 | US20090033406 Internal voltage generator of semiconductor integrated circuit |
| 02/05/2009 | US20090033383 High output resistance, wide swing charge pump |
| 02/05/2009 | US20090033356 System and method for analyzing end to end testing |
| 02/05/2009 | US20090033309 Reconfigurable topology for switching and linear voltage regulators |
| 02/05/2009 | US20090033307 Method and apparatus for a high voltage power supply circuit |
| 02/05/2009 | US20090033306 Voltage trimming |
| 02/05/2009 | US20090033305 PWM/PFM Control Circuit and Switching Power Supply Circuit |
| 02/05/2009 | US20090033304 Low-Loss Control of DC-DC Converters In An Energy Storage System |
| 02/05/2009 | US20090033303 Piezoelectric transformer type high-voltage power apparatus and image forming apparatus |
| 02/05/2009 | US20090033302 Voltage conversion device |
| 02/05/2009 | US20090033301 Power electronics devices with integrated gate drive circuitry |
| 02/05/2009 | US20090033300 Output control device, and AC/DC power source device, circuit device, LED backlight circuit device, and switching DC/DC converter device each using output control device |
| 02/05/2009 | US20090033299 Step-down type switching regulator, control circuit thereof, and electronic device using the same |
| 02/05/2009 | US20090033298 Voltage regulator with a hybrid control loop |
| 02/05/2009 | US20090033297 Single-board power supply structure and method for providing power supply |
| 02/05/2009 | US20090033296 Device, method, and system for improving electrical power factor and harmonic power quality through active control of power quality improving electrical appliances |
| 02/05/2009 | US20090033293 Voltage converter with combined capacitive voltage divider, buck converter and battery charger |
| 02/05/2009 | US20090033289 Voltage converter with combined buck converter and capacitive voltage divider |
| 02/05/2009 | DE102007035369A1 Schaltungsanordnung zur temperaturabhängigen Laststromregelung Circuit arrangement for the temperature-dependent load current control |
| 02/05/2009 | DE102007035339A1 Schaltungsanordnung zur Regelung eines Stroms durch eine Last Circuit arrangement for controlling a current through a load |
| 02/05/2009 | DE102007034592A1 Verfahren und Vorrichtung zum stromsparenden Betrieb von RFID-Datenträgern Method and apparatus for low-power operation of RFID data carriers |
| 02/04/2009 | EP2020689A1 Solar photovoltaic power generation artificial-power generating method and solar photovoltaic power generation simulator power-supply apparatus |
| 02/04/2009 | EP2020076A2 Startup for dc/dc converters |