| 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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| 05/21/2009 | US20090128279 Integrated circuit device |
| 05/21/2009 | US20090128231 Circuits for generating reference current and bias voltages, and bias circuit using the same |
| 05/21/2009 | US20090128230 Band-gap reference voltage generator for low-voltage operation and high precision |
| 05/21/2009 | US20090128228 Charge Pump Capable of Enhancing Power Efficiency and Output Voltage |
| 05/21/2009 | US20090128227 High voltage generating device of semiconductor device |
| 05/21/2009 | US20090128222 Apparatus and method for adjusting working frequency of vrd by detecting temperature |
| 05/21/2009 | US20090128118 Power supply voltage control apparatus |
| 05/21/2009 | US20090128116 Switching regulator |
| 05/21/2009 | US20090128115 Voltage regulator and controlling method thereof |
| 05/21/2009 | US20090128114 Power supply output voltage trimming |
| 05/21/2009 | US20090128113 Power converter having auto conversion function for pulse skip mode and control method |
| 05/21/2009 | US20090128112 Duty-cycle independent current limit for a power regulator |
| 05/21/2009 | US20090128111 Reverse current protection apparatus for a synchronous switching voltage converter |
| 05/21/2009 | US20090128110 Compact Frequency Compensation Circuit And Method For A Switching Regulator Using External Zero |
| 05/21/2009 | US20090128109 DC/DC Converter with Dynamic Offset Compensation |
| 05/21/2009 | US20090128108 Constant voltage power supply circuit |
| 05/21/2009 | US20090128107 Low Dropout Voltage Regulator |
| 05/21/2009 | US20090128106 Power supply controller and semiconductor device |
| 05/21/2009 | US20090128105 Power converter having airplane power source frequency detector |
| 05/21/2009 | US20090128104 Fully integrated on-chip low dropout voltage regulator |
| 05/21/2009 | US20090128103 Ac high voltage power supply device, charging device, developing device, and image forming apparatus |
| 05/21/2009 | US20090128101 Power conversion circuit |
| 05/21/2009 | US20090128100 Power system control apparatus and power system control method |
| 05/21/2009 | US20090128098 Pulse generating circuit, control method for pulse generating circuit, transmitter, and electronic device |
| 05/20/2009 | EP2060059A2 Programmable constant power foldback |
| 05/20/2009 | CN201242692Y Voltage stabilizer |
| 05/20/2009 | CN101438487A Method and device for transforming and regulating a voltage signal |
| 05/20/2009 | CN101437337A Semiconductor device, semiconductor device manufacturing method, power control device, and electronic equipment and module |
| 05/20/2009 | CN101436833A Method and system to convert direct current (DC) to alternating current (AC) using a photovoltaic inverter |
| 05/20/2009 | CN101436083A High speed constant flow output drive circuit |
| 05/20/2009 | CN101436082A Low voltage drop linear voltage-stabilizing apparatus |
| 05/20/2009 | CN101436081A 半导体集成电路 The semiconductor integrated circuit |
| 05/20/2009 | CN101436080A Ultramicro power consumption standby power supply |
| 05/20/2009 | CN101436079A Programmable sectional type current control method and apparatus |
| 05/20/2009 | CN101436078A Wide range voltage regulating circuit and implementing method of wide range voltage regulating |
| 05/20/2009 | CN100490310C Chopped wave automatic zero-stabilizing current-mode instrumentation amplifier |
| 05/20/2009 | CN100490281C Switching regulator control circuit and switching regulator |
| 05/20/2009 | CN100489723C Method for forming efficient power controller |
| 05/19/2009 | US7535739 Semiconductor switch |
| 05/19/2009 | US7535733 Method of controlling DC-to-DC converter whereby switching control sequence applied to switching elements suppresses voltage surges at timings of switch-off of switching elements |
| 05/19/2009 | US7535287 Semiconductor device and system and method of crystal sharing |
| 05/19/2009 | US7535286 Constant current source apparatus including two series depletion-type MOS transistors |
| 05/19/2009 | US7535285 Band-gap voltage reference circuit |
| 05/19/2009 | US7535284 Switching control circuit |
| 05/19/2009 | US7535283 Gate drive circuit, semiconductor module and method for driving switching element |
| 05/19/2009 | US7535282 Dynamic well bias controlled by Vt detector |
| 05/19/2009 | US7535281 Reduced time constant charge pump and method for charging a capacitive load |
| 05/19/2009 | US7535211 Voltage regulator having current canceling compensation |
| 05/19/2009 | US7535210 Predictive duty ratio generating circuit and method for synchronous boost converters operating in PFM mode |
| 05/19/2009 | US7535209 Management of regulator-induced switching noise for sampled systems |
| 05/19/2009 | US7535208 Capacitive feedback circuit |
| 05/19/2009 | US7535207 Tapped converter |
| 05/19/2009 | US7535206 Synchronous rectifying type switching regulator control circuit and semiconductor integrated circuit including the same |
| 05/19/2009 | US7535205 System and method for a bridgeless power supply |
| 05/19/2009 | US7535204 Split-phase switching power converter |
| 05/19/2009 | US7535184 Photopolymerization apparatus |
| 05/19/2009 | US7535124 Voltage stabilizer |
| 05/19/2009 | CA2496661C Light source control system |
| 05/14/2009 | WO2009061091A1 Semiconductor chip having power supply line with minimized voltage drop |
| 05/14/2009 | WO2009039061A3 Start-up circuit and method for a self-biased zero-temperature-coefficient current reference |
| 05/14/2009 | WO2008062419A9 A device that enables plc based smart dimmers to function with no new wires |
| 05/14/2009 | US20090121784 Power-down mode control apparatus and dll circuit having the same |
| 05/14/2009 | US20090121782 Control circuit and control method for charge pump circuit |
| 05/14/2009 | US20090121781 Control circuit and control method for charge pump circuit |
| 05/14/2009 | US20090121780 Multiple-stage charge pump with charge recycle circuit |
| 05/14/2009 | US20090121759 Fast-switching low-noise charge pump |
| 05/14/2009 | US20090121698 Bandgap voltage reference circuits and methods for producing bandgap voltages |
| 05/14/2009 | US20090121697 Circuit and method for reducing output noise of regulator |
| 05/14/2009 | US20090121696 Controller of DC-DC Converter And Controlling Method Thereof |
| 05/14/2009 | US20090121695 Methods and apparatus for a multiphase power regulator |
| 05/14/2009 | US20090121694 Non-invasive load current sensing in low dropout (ldo) regulators |
| 05/14/2009 | US20090121693 Constant Voltage Circuit |
| 05/14/2009 | US20090121692 Vibration-Reduction Fan Driving Circuit |
| 05/14/2009 | US20090121691 Voltage supply device and nonvolatile memory device having the same |
| 05/14/2009 | US20090121690 Voltage regulator |
| 05/14/2009 | US20090121654 LED Light Output Linearization |
| 05/14/2009 | US20090121652 Light source module, backlight assembly having the same, display device having the same and method for reducing number of wires used in interconnect cable of the same |
| 05/14/2009 | US20090121649 Illuminating apparatus for display device and display device having same |
| 05/14/2009 | DE102007052880A1 Elektronische Stromversorgungseinheit, elektronisches Peripheriegerät, sowie Verfahren zur Steuerung einer Stromversorgungseinheit An electronic power supply unit, an electronic device, and method for controlling a power supply unit |
| 05/14/2009 | DE102007052089A1 Elektrogerät mit verringerter Standby-Leistung Electric device with reduced standby power |
| 05/14/2009 | DE102006029475B4 Effiziente Einschaltstrom-Begrenzungsschaltung mit bidirektionellen Doppelgate-HEMT-Bauteilen Efficient inrush current limiting circuit with bidirectional dual-gate HEMT devices |
| 05/13/2009 | EP2058721A2 Non-invasive load current sensing in low dropout (LDO) regulators |
| 05/13/2009 | EP2057521A2 Bi-polar bi-directional energy-balancing power-conversion engine |
| 05/13/2009 | EP2057429A2 Water-cooled photovoltaic receiver and assembly method |
| 05/13/2009 | CN201238268Y Standby power supply system with low-power consumption |
| 05/13/2009 | CN201238264Y Ultra-small credible high-efficiency high tension-input constant-current switch circuit |
| 05/13/2009 | CN201237747Y Wire harness type electric current controller |
| 05/13/2009 | CN101431851A D/A signal superposition feedback circuit |
| 05/13/2009 | CN101431300A Power supply circuit and its control method |
| 05/13/2009 | CN101431250A Charging management control circuit used for battery charger and its control method |
| 05/13/2009 | CN101431246A Apparatus and method for improving output efficiency of low-power photovoltaic battery |
| 05/13/2009 | CN101430572A Voltage regulator |
| 05/13/2009 | CN101430571A Constant voltage circuit |
| 05/13/2009 | CN101430570A Power supply circuit capable of generating output voltage close to zero and its regulation method |
| 05/13/2009 | CN101430569A DC drift correction apparatus and method |
| 05/13/2009 | CN100488025C Energy conserving motor controller |
| 05/13/2009 | CN100487624C Voltage supply interface and method for adjusting electric current |
| 05/12/2009 | US7532493 Power supply with low standby loss |
| 05/12/2009 | US7532063 Apparatus for generating reference voltage in semiconductor memory apparatus |
| 05/12/2009 | US7532062 Semiconductor charge pump using MOS (metal oxide semiconductor) transistor for current rectifier device |