| 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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| 09/11/2009 | WO2009111438A2 High-side sensing of zero inductor current for step down dc-dc converter |
| 09/11/2009 | CA2716598A1 Method and system for improved image segmentation |
| 09/10/2009 | US20090225575 Universal ac adaptor |
| 09/10/2009 | US20090225484 Current Limit Detector |
| 09/10/2009 | US20090224823 Internal voltage generating circuit and semiconductor integrated circuit device |
| 09/10/2009 | US20090224822 Structure and method for coupling signals to and/or from stacked semiconductor dies |
| 09/10/2009 | US20090224819 Constant current circuit, and inverter and oscillation circuit using such constant current circuit |
| 09/10/2009 | US20090224814 Electronic Device and Related Power Control Device for Enhancing Power Stability for Power On and Power Off Processes |
| 09/10/2009 | US20090224742 Circuit Arrangement and Method for Controlling Power Converters |
| 09/10/2009 | US20090224741 Low power supply maintaining circuit |
| 09/10/2009 | US20090224740 Voltage regulator |
| 09/10/2009 | US20090224739 Heavily doped region in double-diffused source mosfet (ldmos) transistor and a method of fabricating the same |
| 09/10/2009 | US20090224738 Switching Controller |
| 09/10/2009 | US20090224737 Voltage regulator with local feedback loop using control currents for compensating load transients |
| 09/10/2009 | US20090224736 Method and circuit for an operating area limiter |
| 09/10/2009 | US20090224735 Filter circuit and method of controlling same |
| 09/10/2009 | US20090224734 Methods and apparatus for power supply |
| 09/10/2009 | US20090224733 Methods and apparatus for a power supply |
| 09/10/2009 | US20090224731 Multiphase power regulator with load adaptive phase control |
| 09/10/2009 | US20090224730 Variable liftoff voltage process field device |
| 09/10/2009 | US20090224712 Heat-exchange cooling device and power supply circuit driver used therefore |
| 09/10/2009 | US20090224602 DC-DC converter control circuit |
| 09/10/2009 | DE112007002403T5 Vorrichtung und Verfahren zum Bereitstellen eines temperaturkompensierten Bezugsstroms Apparatus and method for providing a temperature compensated reference current |
| 09/10/2009 | DE102008012392A1 Electronic device, has switching element alternatingly switching driver between paths to provide voltage ranging from ground to supply voltage level to gate of power MOSFET transistor |
| 09/09/2009 | CN101529358A Reducing oscillations in system with foldback current limit when inductive load is connected |
| 09/09/2009 | CN101527516A Voltage varying-regulating circuit, voltage varying-regulating set and intelligent electricity-saving device |
| 09/09/2009 | CN101527508A Voltage raising and reducing two-way voltage conversion circuit |
| 09/09/2009 | CN101526827A Voltage-to-current conversion circuit |
| 09/09/2009 | CN101526826A Reference voltage generating device |
| 09/09/2009 | CN101526825A Power supply device for electrochemistry capable of outputting random waveform and working method thereof |
| 09/09/2009 | CN100539367C PFC-PWM controller having interleaved switching |
| 09/09/2009 | CN100538583C Circuit for power compensation for supplying electromagnetism by cycle |
| 09/09/2009 | CN100538582C Voltage regulator |
| 09/08/2009 | USRE40907 Ripple cancellation circuit for ultra-low-noise power supplies |
| 09/08/2009 | US7586765 Switched current power converter with reduced power losses during low load conditions |
| 09/08/2009 | US7586727 Inrush current limiting switching circuit for power supply |
| 09/08/2009 | US7586365 Apparatus for controlling voltage |
| 09/08/2009 | US7586364 Power supply voltage controlling circuit and semiconductor integrated circuit |
| 09/08/2009 | US7586362 Low voltage charge pump with regulation |
| 09/08/2009 | US7586361 Semiconductor device comprising a charge pump operated by clock signals |
| 09/08/2009 | US7586360 Power supply apparatus and method |
| 09/08/2009 | US7586298 Chipset for isolated power supply with new programmable synchronization architecture |
| 09/08/2009 | US7586297 Soft start circuit, power supply unit and electric equipment |
| 09/08/2009 | US7586296 Power supply apparatus |
| 09/08/2009 | US7586295 Voltage up-conversion circuit |
| 09/08/2009 | US7586294 Current resonance type DC/DC converter actualizing a stable zero-current switching |
| 09/08/2009 | US7586274 LED light output linearization |
| 09/08/2009 | US7586212 Multi-output power supply apparatus |
| 09/08/2009 | US7586210 Power delivery control and balancing between multiple loads |
| 09/08/2009 | CA2576705C Switching voltage regulator with low current trickle mode |
| 09/03/2009 | WO2009108962A2 An electrical power consumption management syste |
| 09/03/2009 | WO2009107936A2 Blood glucose measuring system |
| 09/03/2009 | US20090219654 Two Level Current Limiting Power Supply System |
| 09/03/2009 | US20090219084 Device for Optimising the Energy Consumption of an Electric Circuit Component |
| 09/03/2009 | US20090219083 Electric circuit device |
| 09/03/2009 | US20090219082 Semiconductor device whose internal power supply voltage is generated by voltage step-up circuit |
| 09/03/2009 | US20090219080 Internal voltage generation circuit |
| 09/03/2009 | US20090219079 Charge pump circuit for rfid integrated circuits |
| 09/03/2009 | US20090219077 Voltage multiplier with improved efficiency |
| 09/03/2009 | US20090219004 Power supply control device and power supply control method |
| 09/03/2009 | US20090219003 Offline synchronous switching regulator |
| 09/03/2009 | US20090219002 Switching power supply device and a semiconductor integrated circuit |
| 09/03/2009 | US20090219001 Drive controller for power conversion circuit |
| 09/03/2009 | US20090219000 Switching controller with burst mode management circuit to reduce power loss and acoustic noise of power converter |
| 09/03/2009 | US20090218999 DC converter which has switching control unit to select PWM signal or PFM signal |
| 09/03/2009 | US20090218998 High-side sensing of zero inductor current for step down dc-dc converter |
| 09/03/2009 | US20090218997 Power supply circuit |
| 09/03/2009 | US20090218996 Switching Systems and Methods with Current Sensing |
| 09/03/2009 | US20090218995 Apparatus and method for bias modulator using zero current switching |
| 09/03/2009 | US20090218994 Resonance DC/DC Converter and Control Method Thereof |
| 09/03/2009 | US20090218993 Device and a method for control of power flow in a transmission line |
| 09/03/2009 | US20090218885 Slope control device capable of predicting uniform-current-sharing level and method thereof |
| 09/02/2009 | EP2095502A1 Transconductance amplifier with improved linearity |
| 09/02/2009 | EP1861760B1 Bootstrapping circuit capable of sampling inputs beyond supply voltage |
| 09/02/2009 | EP1803045A4 Cmos constant voltage generator |
| 09/02/2009 | CN201302679Y High-precision digital power supply control adjuster |
| 09/02/2009 | CN101523323A Remote control of lighting |
| 09/02/2009 | CN101521967A Offline control circuit of led driver to control leds |
| 09/02/2009 | CN101521502A Soft starting device |
| 09/02/2009 | CN101521491A Radio-frequency power regulation method and radio-frequency power amplifier |
| 09/02/2009 | CN101521385A Dynamic voltage compensator for three-phase power supply system |
| 09/02/2009 | CN101521288A Adaptive gain scheduled control for current limitation based on voltage performance of a fuel cell system |
| 09/02/2009 | CN101521200A Semiconductor device and voltage divider circuit |
| 09/02/2009 | CN101520669A 300pin 10G optical module self-adaptive power |
| 09/02/2009 | CN101520668A Voltage regulator |
| 09/02/2009 | CN101520667A Linear voltage stabilizer and voltage stabilizing method |
| 09/02/2009 | CN101518361A High-simulation electronic cigarette |
| 09/01/2009 | US7583555 Robust and Efficient dynamic voltage scaling for portable devices |
| 09/01/2009 | US7583166 Inductor Q factor enhancement apparatus has bias circuit that is coupled to negative resistance generator for providing bias signal |
| 09/01/2009 | US7583135 Auto-nulled bandgap reference system and strobed bandgap reference circuit |
| 09/01/2009 | US7583134 Semiconductor integrated circuit and method of controlling internal voltage of the same |
| 09/01/2009 | US7583131 Charge pump circuit |
| 09/01/2009 | US7583105 Pull-up circuit |
| 09/01/2009 | US7583069 Booster |
| 09/01/2009 | US7583068 Method for driving voltage-controlled devices or current-controlled devices |
| 09/01/2009 | US7583067 Variable power output regulator |
| 09/01/2009 | US7583066 Method of operating a DC/DC up/down converter |
| 09/01/2009 | US7583065 Hybrid filter for high slew rate output current application |
| 09/01/2009 | US7583064 Booster circuit |
| 09/01/2009 | US7583035 System and method for driving LED |