| 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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| 12/30/2008 | US7471072 Switched mode power supply having variable minimum switching frequency |
| 12/30/2008 | US7471071 Extending the voltage operating range of boost regulators |
| 12/30/2008 | US7471070 Switching power supply unit for generating an output voltage stepped up from an input voltage |
| 12/30/2008 | US7471051 Advanced low voltage lighting system |
| 12/30/2008 | US7471050 Organic EL drive circuit and organic EL display device |
| 12/30/2008 | US7469940 Discharge lamp lighting device, lighting system and method |
| 12/25/2008 | US20080315859 Swithgear cell and converter circuit for switching a large number of voltage levels |
| 12/25/2008 | US20080315855 Low power bandgap voltage reference circuit having multiple reference voltages with high power supply rejection ratio |
| 12/25/2008 | US20080315853 Dc-Dc Converter Controller Having Optimized Load Transient Response and Method Thereof |
| 12/25/2008 | US20080315852 System and Method for Estimating Input Power for a Power Processing Circuit |
| 12/25/2008 | US20080315851 Semiconductor device and power supply using the same |
| 12/25/2008 | US20080315850 Switching regulator |
| 12/25/2008 | US20080315848 Voltage regulator for an integrated circuit |
| 12/25/2008 | US20080315847 Programmable floating gate reference |
| 12/25/2008 | US20080315684 Square-wave modulated voltage dip restorer |
| 12/24/2008 | WO2008137625A3 Method and system for adaptive power management |
| 12/24/2008 | WO2008109341A3 Optimized power supply for an electronic system |
| 12/24/2008 | WO2008064193A3 Method and circuit for controlling operation of a light-emitting diode |
| 12/24/2008 | WO2007139684A3 Transformerless utility-grid-interactive inverter |
| 12/24/2008 | EP2005552A1 A device and a method for control of power flow in a transmission line |
| 12/24/2008 | EP2005274A2 Regulating device for regulating the voltage on a high-side load |
| 12/24/2008 | DE102008021922A1 Verfahren und Vorrichtung zur Erzeugung einer Anzeige eines Solarpanel-Betriebszustandes Method and apparatus for generating a display of a solar panel operating status |
| 12/24/2008 | CN201171186Y Switch power supply type electric screwdriver power supply |
| 12/24/2008 | CN201170792Y Apparatus for measuring AC parameter |
| 12/24/2008 | CN101331437A Reference voltage generating circuit and power supply device using the same |
| 12/24/2008 | CN101330258A Automatic controller for outputting three-phase current steadily |
| 12/24/2008 | CN101330254A Line frequency switching regulator |
| 12/24/2008 | CN101330252A DC-DC converter with temperature compensating circuit |
| 12/24/2008 | CN101330247A Voltage-regulating module for DC power supply |
| 12/24/2008 | CN101329588A Overcurrent protection circuit |
| 12/24/2008 | CN101329587A Voltage regulator |
| 12/24/2008 | CN101329586A Reference voltage generator and method for providing multiple reference voltages |
| 12/24/2008 | CN100446409C Actuator current control method |
| 12/24/2008 | CN100446392C Optimized pulse over-cycle modulation switch stabilized voltage power supply controller |
| 12/24/2008 | CN100445921C Arc quenching device for a solar array |
| 12/24/2008 | CN100445920C Energy gap reference voltage source noncorrelating to resistor absolute value |
| 12/24/2008 | CN100445919C Single winding self saturation reactor current stabilizing control device and method |
| 12/23/2008 | US7468899 Apparatus and method for wafer level fabrication of high value inductors on semiconductor integrated circuits |
| 12/23/2008 | US7468877 Overcurrent detection circuit and power supply apparatus provided therewith |
| 12/23/2008 | US7468628 Internal voltage generators for semiconductor memory device |
| 12/23/2008 | US7468625 Semiconductor device including current mirror circuit |
| 12/23/2008 | US7468623 Clamp circuit with fuse options |
| 12/23/2008 | US7468622 Integrated circuit having a bootstrap charger |
| 12/23/2008 | US7468599 DC power supply and integrated circuit device |
| 12/23/2008 | US7468586 Ballast with arc protection circuit |
| 12/18/2008 | WO2008124805A3 Methods, systems, and apparatuses for determining driver behavior |
| 12/18/2008 | WO2008086050B1 Electronic circuit for driving a diode load |
| 12/18/2008 | WO2008073862A3 Charge pump for generation of multiple output-voltage levels |
| 12/18/2008 | US20080309442 Semiconductor power device having a stacked discrete inductor structure |
| 12/18/2008 | US20080309399 Two-phase charge pump circuit without body effect |
| 12/18/2008 | US20080309398 Multiplier circuit |
| 12/18/2008 | US20080309369 Semiconductor integrated circuits with power reduction mechanism |
| 12/18/2008 | US20080309314 Voltage regulator and method of manufacturing the same |
| 12/18/2008 | US20080309311 Power Converter for Compensating a maximum Output Power |
| 12/18/2008 | US20080309303 Switching power supply and regulation circuit |
| 12/18/2008 | US20080309302 Dc-dc converter |
| 12/18/2008 | US20080309300 Digital current share bus interface |
| 12/18/2008 | US20080309299 Inductor assembly having a core with magnetically isolated forms |
| 12/18/2008 | US20080309298 Power converter with a feedback controller |
| 12/18/2008 | US20080309297 Usb charger for commercial transport vehicle |
| 12/17/2008 | EP2003527A2 Digital controller |
| 12/17/2008 | CN201167240Y Charging equipment for nickel-hydrogen battery |
| 12/17/2008 | CN201167239Y USB charging circuit with current-limiting function |
| 12/17/2008 | CN201166795Y Temperature recognition device |
| 12/17/2008 | CN201164923Y Maximum output current automatic control circuit for welder |
| 12/17/2008 | CN101325371A Pwm controller for compensating a maximum output power and power supply convertor |
| 12/17/2008 | CN101324798A Pressure regulating device and pressure regulating method as well as voltage generating apparatus used thereby |
| 12/17/2008 | CN101324797A Electronic load device and circuit thereof |
| 12/17/2008 | CN101324796A Multi-output power supply device |
| 12/17/2008 | CN101323263A Method for regulating voltage or current in an RLC filter, recording medium and vehicles for said method |
| 12/17/2008 | CN100444506C High-power high-precision switch linear combined manostat |
| 12/17/2008 | CN100444074C Light source current drive circuit utilizing single-terminal 3,3V voltage power-supply |
| 12/17/2008 | CN100444073C Automatic correcting current circuit and method |
| 12/16/2008 | US7466906 Motor control apparatus |
| 12/16/2008 | US7466894 Power supply output monitor |
| 12/16/2008 | US7466573 Method and apparatus for integrated active-diode-ORing and soft power switching |
| 12/16/2008 | US7466569 Power converter having phase lock circuit for quasi-resonant soft switching |
| 12/16/2008 | US7466565 Switching power supply unit and voltage detection circuit |
| 12/16/2008 | US7466355 Electronic system for reducing power supply voltage |
| 12/16/2008 | US7466190 Charge pump with four-well transistors |
| 12/16/2008 | US7466189 Semiconductor integrated circuit |
| 12/16/2008 | US7466188 Stress control mechanism for use in high-voltage applications in an integrated circuit |
| 12/16/2008 | US7466117 Multi-function voltage regulator |
| 12/16/2008 | US7466116 Current sensing circuit for a multi-phase DC-DC converter |
| 12/16/2008 | US7466115 Soft-start circuit and method for power-up of an amplifier circuit |
| 12/16/2008 | US7466114 Voltage converter |
| 12/16/2008 | US7466113 Break-before-make sensing for drivers |
| 12/16/2008 | US7466112 Variable frequency current-mode control for switched step up-step down regulators |
| 12/16/2008 | US7466111 Power supply unit and portable apparatus utilizing the same |
| 12/16/2008 | US7466110 Power factor improving circuit |
| 12/16/2008 | CA2463209C Proportional pressure regulator having positive and negative pressure delivery capability |
| 12/11/2008 | WO2008150504A1 Charge circuit for optimizing gate voltage for improved efficiency |
| 12/11/2008 | WO2008150394A1 Hid lighting control with transient voltage sensing and lamp restarting |
| 12/11/2008 | WO2008149393A1 Delivery of electric power by means of a plurality of parallel inverters and control method based on maximum power point tracking |
| 12/11/2008 | WO2007149859A3 Dc-dc converter for low voltage power source |
| 12/11/2008 | US20080304349 Voltage supply circuit and semiconductor memory |
| 12/11/2008 | US20080304292 Isolated high power bi-directional dc-dc converter |
| 12/11/2008 | US20080303586 Negative voltage generating circuit |
| 12/11/2008 | US20080303585 Charge pump circuit and nonvolatile memory |
| 12/11/2008 | US20080303584 Charge circuit for optimizing gate voltage for improved efficiency |