| 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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| 01/22/2009 | US20090021227 Power-supply device, ic circuit, and information processing apparatus, and soft-start control method |
| 01/22/2009 | US20090021226 Semiconductor integrated circuit and sensor driving/measuring system |
| 01/21/2009 | EP2016670A1 Mitigation of harmonic currents and conservation of power in non-linear load systems |
| 01/21/2009 | EP2016474A2 Voltage synthesis using virtual quadrature sources |
| 01/21/2009 | EP1774421A4 High frequency partial boost power factor correction control circuit and method |
| 01/21/2009 | CN201184976Y Temperature controller base on power supply chip |
| 01/21/2009 | CN201184569Y Small power LED sending light capable of automatically adjusting current |
| 01/21/2009 | CN101350565A Circuit device for implementing triode base current compesation and control method thereof |
| 01/21/2009 | CN101350564A Apparatus for implementing constant voltage and constant current |
| 01/21/2009 | CN101350561A Primory feedback controller implementing high precision constant current output and method thereof |
| 01/21/2009 | CN101350560A Power converter for implementing output end voltage constant and method thereof |
| 01/21/2009 | CN101350559A Power converter for implrmenting primary control of constant output current and method thereof |
| 01/21/2009 | CN101350558A Constant current and voltage controller in a four-pin package with dual-use pin ane method thereof |
| 01/21/2009 | CN101349937A Digital signal processor (DSP) power supply circuit |
| 01/21/2009 | CN101349927A V-I switch circuit and programmed control current source using the same |
| 01/21/2009 | CN101349598A Temperature detection alarm circuit and temperature detection alarm |
| 01/21/2009 | CN100454745C Control of amplitude of AC voltage output produced by double-ended dc-ac converter circuitry |
| 01/21/2009 | CN100454740C Control circuit for power converter with adaptive bias |
| 01/21/2009 | CN100454732C High accuracy high power constant current source and its realizing method |
| 01/21/2009 | CN100454713C Power system and power converters |
| 01/21/2009 | CN100454205C Improved method of detecting switching power supply output current |
| 01/21/2009 | CN100454204C Power source control circuit |
| 01/21/2009 | CN100454203C Ballast control card |
| 01/20/2009 | US7480549 Electrical control unit for an automobile |
| 01/20/2009 | US7480164 Semiconductor integrated circuit with voltage generation circuit, liquid crystal display controller and mobile electric equipment |
| 01/20/2009 | US7480157 Power architecture for providing voltage modulation power |
| 01/20/2009 | US7479937 Semiconductor device for driving current load device, and display device |
| 01/20/2009 | US7479824 Dual mode voltage supply circuit |
| 01/20/2009 | US7479822 Current drive circuit reducing VDS dependency |
| 01/20/2009 | US7479821 Cascode circuit and semiconductor device |
| 01/20/2009 | US7479778 Adaptive slope compensation for switching regulators |
| 01/20/2009 | US7479773 Synchronous rectification switching regulator and switching method |
| 01/20/2009 | US7479772 Active current sharing multiphase DC-DC converter |
| 01/20/2009 | US7479771 Current detection circuit and switching power supply |
| 01/20/2009 | US7479770 System and method for driving a power field-effect transistor (FET) |
| 01/20/2009 | US7479769 Power delivery system having cascaded buck stages |
| 01/20/2009 | US7479768 System and method for providing variable gain loop control for use in adaptive voltage scaling |
| 01/20/2009 | US7479767 Power supply step-down circuit and semiconductor device |
| 01/20/2009 | US7479766 Dynamic multiphase operation |
| 01/20/2009 | US7479744 Power dimmer |
| 01/20/2009 | US7479743 Vehicle lighting apparatus |
| 01/20/2009 | US7479742 Discharge lamp lighting circuit |
| 01/20/2009 | US7479741 Method and device for supplying power to LEDs |
| 01/20/2009 | US7479713 Systems and methods for reducing power dissipation in a disk drive including a fixed output voltage regulator |
| 01/15/2009 | WO2009007407A1 Closed-loop control method and closed-loop control device with multi-channel feedback |
| 01/15/2009 | WO2007065108A3 Method and apparatus for implementing walkout of device junctions |
| 01/15/2009 | US20090016141 Methods and Arrangements for Enhancing Power Management Systems in Integrated Circuits |
| 01/15/2009 | US20090015321 Circuit having a Local Power Block for Leakage Reduction |
| 01/15/2009 | US20090015320 Temperature compensation for floating gate circuits |
| 01/15/2009 | US20090015319 Voltage controlled oscillation circuit |
| 01/15/2009 | US20090015299 Output circuit |
| 01/15/2009 | US20090015232 Method and device for regulating a voltage supply to a semiconductor device |
| 01/15/2009 | US20090015231 Digital pwm modulator with fast dynamic response and fine resolution |
| 01/15/2009 | US20090015230 Method of controlling a step-up dc-dc converter and related converter |
| 01/15/2009 | US20090015229 Bi-directional DC power converter |
| 01/15/2009 | US20090015228 Switching power supply circuit |
| 01/15/2009 | US20090015227 Load-Induced Voltage Overshoot Detection And Correction In Switching Power Supplies |
| 01/15/2009 | US20090015226 Method for implementing radiation hardened, power efficient, non isolated low output voltage DC/DC converters with non-radiation hardened components |
| 01/15/2009 | US20090015225 Method for regulating a voltage and circuit therefor |
| 01/15/2009 | US20090015223 Power supply voltage booster |
| 01/15/2009 | US20090015222 Constant voltage circuit capable of quickly responding to a sudden change of load current |
| 01/15/2009 | US20090015221 Voltage generating apparatus |
| 01/15/2009 | US20090015220 Switching power supply device, semiconductor intergrated circuit device and power supply device |
| 01/15/2009 | US20090015219 Voltage Regulator Pole Shifting Method and Apparatus |
| 01/15/2009 | US20090015218 Current-fed multiple-output power converter |
| 01/15/2009 | US20090015217 Power supply controller and method therefor |
| 01/15/2009 | US20090015216 Input regulated DC to DC converter for power scavenging |
| 01/15/2009 | US20090015215 Dynamic selection of oscillation signal frequency for power converter |
| 01/15/2009 | US20090015214 Power factor correction method and device |
| 01/15/2009 | US20090015177 Power supply device and light-emitting device and electronic equipment using such power supply device |
| 01/15/2009 | DE102007031055A1 Verfahren und Schaltkreis zur Regelung der Auffrischgeschwindigkeit von abgetasteten Referenzspannungen A method and circuit for regulating the replenishment of sampled reference voltages |
| 01/15/2009 | DE102007031053A1 Integrated electronic device has high power (HP) stage and low power (LP) stage for providing HP and LP supply voltage levels and HP and LP output currents such that HP and LP stages are active in full and low power modes |
| 01/15/2009 | DE102004038353B4 Ansteuerschaltung für einen Schalter in einem Schaltwandler und Schaltungsanordnung mit einem Schaltwandler und einer Last A drive circuit for a switch in a switching converter and circuit arrangement having a switching converter and a load |
| 01/14/2009 | EP2015438A2 Power supply |
| 01/14/2009 | EP2015159A1 Steady state frequency control of variable frequency switching regulators |
| 01/14/2009 | EP2015158A1 Paralleling voltage regulators |
| 01/14/2009 | EP1284633B2 Dishwasher |
| 01/14/2009 | CN201182026Y Driving power supply device of LED lamp group |
| 01/14/2009 | CN201181907Y Self-adapting power supply for coal mine |
| 01/14/2009 | CN201181842Y Dynamic electric voltage recovery device based on GPRS remote monitoring |
| 01/14/2009 | CN201181429Y Self-activated switch voltage-stabilized supply |
| 01/14/2009 | CN201181428Y High voltage output control device used for series resonance pressure test |
| 01/14/2009 | CN101345491A Frequency conversion multi-phase voltage regulator and its control method |
| 01/14/2009 | CN101345482A Composite power supply |
| 01/14/2009 | CN101344794A Paralleling voltage regulators |
| 01/14/2009 | CN100452629C Constant-voltage circuit, semiconductor apparatus including constant-voltage circuit, and control method of constant-voltage circuit |
| 01/14/2009 | CN100452627C Semiconductor circuit device and data processing system |
| 01/14/2009 | CN100452512C Control method and system for power output of fuel cell generation system |
| 01/14/2009 | CN100451907C Current cutoff circuit and electric steering wheel lock |
| 01/14/2009 | CN100451906C CPU electric supply circuit of automobile sound equipment |
| 01/13/2009 | US7478253 Reduction of power consumption in electrical devices |
| 01/13/2009 | US7477158 Method and apparatus for brightness control of indication lights |
| 01/13/2009 | US7477097 Internal voltage generating circuit |
| 01/13/2009 | US7477096 Radiation tolerant DC/DC converter with non-radiation hardened parts |
| 01/13/2009 | US7477094 Current driving device and display device |
| 01/13/2009 | US7477093 Multiple polarity reversible charge pump circuit |
| 01/13/2009 | US7477092 Unified voltage generation apparatus with improved power efficiency |
| 01/13/2009 | US7477048 Boosting switching regulator |
| 01/13/2009 | US7477047 Register with default control and built-in level shifter |
| 01/13/2009 | US7477046 Voltage regulator output stage with low voltage MOS devices |