| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 04/23/2009 | DE102008008337A1 Switching power supply for producing preset output voltage in onboard supply system of e.g. lorry, has step-up and step-down converters and voltage controller, whose operations are adjusted based on voltage at input-side of supply system |
| 04/23/2009 | DE102007050228A1 Transmission characteristic i.e. dead time, optimization e.g. static optimization, method for voltage converter, involves adjusting parameter based on deviation of state variables of state observer from state variables of electronic system |
| 04/23/2009 | DE102007045464A1 Einzelinduktivitäts-Energieversorgungssystem mit extrem hohem PSRR für Aktiv-Matrix-OLED-Anzeigen mit zwei Versorgungsspannungen Einzelinduktivitäts power supply system with ultra-high PSRR for active-matrix OLED displays with two supply voltages |
| 04/22/2009 | EP2051379A1 Intelligent home automation system providing power saving In standby mode |
| 04/22/2009 | EP2051360A1 Control circuit for a primary controlled switching power supply with increased accuracy of voltage regulation and primary controlled switched mode power supply |
| 04/22/2009 | EP2051359A1 Power supply circuit and earth leakage circuit breaker using the same |
| 04/22/2009 | EP2051358A1 Power converter and controller using such power converter for electric rolling stock |
| 04/22/2009 | EP2051348A1 A mobile device for a Universal serial bus (USB) charger |
| 04/22/2009 | EP2050184A2 Switch mode power supply for in-line voltage applications |
| 04/22/2009 | EP2050182A2 Electrical dc-dc power converter with magnetically coupled switch control circuit |
| 04/22/2009 | EP2050181A2 Regulated charge pump circuit and application in power stages employing normally on power switching devices |
| 04/22/2009 | EP2003527A9 Digital controller |
| 04/22/2009 | EP1264383A4 Ac/dc chopper for power tool |
| 04/22/2009 | CN201226552Y Network PSTN double-purpose telephone |
| 04/22/2009 | CN201226494Y Switch power-supply circuit |
| 04/22/2009 | CN201226493Y Primary feedback controller for implementing high precision constant-current output |
| 04/22/2009 | CN201226492Y DC voltage-boosting and step-down system with on-line multiple heat backup function |
| 04/22/2009 | CN201226491Y Remote controller without battery polar differentiation |
| 04/22/2009 | CN201226449Y Voltage-boosting type charge control circuit and electronic device |
| 04/22/2009 | CN101416368A Gradient non-linear adaptive power architecture and scheme |
| 04/22/2009 | CN101415579A Power supply system and vehicle including the same |
| 04/22/2009 | CN101414792A Differential decompression DC chopper type high-frequency chain inverter |
| 04/22/2009 | CN101414791A Differential decompression DC chopper type high-frequency chain inverter |
| 04/22/2009 | CN101414790A DC/AC converter |
| 04/22/2009 | CN101414789A Switching-type power-supply unit and a method of switching in power-supply unit |
| 04/22/2009 | CN101414788A DC constant current power supply with low ripple implemented through mixing IGBT series and parallel connections |
| 04/22/2009 | CN101414787A Circuit for generating negative voltage |
| 04/22/2009 | CN101414786A Switch power supply circuit |
| 04/22/2009 | CN101414785A Power supply converter |
| 04/22/2009 | CN101414784A Charge pump |
| 04/22/2009 | CN101414783A On-chip power supply voltage regulation |
| 04/22/2009 | CN101414764A Method and apparatus to reduce the volume required for bulk capacitance in a power supply |
| 04/22/2009 | CN101412140A Zero-voltage soft switch topological main circuit of arc welding inverter |
| 04/22/2009 | CN100482015C Low-voltage power supply circuit for illumination, and low-voltage power supply output method and illumination device |
| 04/22/2009 | CN100481698C Forward converter with synchronous rectifier and reverse current control, and control circuit and control method thereof |
| 04/22/2009 | CN100481696C Low noise power supply method and controller therefor |
| 04/22/2009 | CN100481695C DC-DC inverter and electronic device therewith |
| 04/22/2009 | CN100481694C Soft switching phase-shift full bridge circuit |
| 04/22/2009 | CN100481693C System and method for electrification reset and under-voltage locking scheme |
| 04/22/2009 | CN100481692C Non-ringing zero-potential switching method for power converter |
| 04/22/2009 | CN100481691C DC-DC converter |
| 04/22/2009 | CN100481690C Step-up switching power supply device |
| 04/22/2009 | CN100481689C DC-DC power conversion circuit |
| 04/22/2009 | CN100481688C Inverter device |
| 04/22/2009 | CN100481687C Voltage converter for converting an input voltage to an output voltage and driving circuit and method thereof |
| 04/22/2009 | CN100481686C Circuit for improving conversion efficiency of non-isolating converter |
| 04/22/2009 | CN100481195C Power supply circuit, driver IC using the power supply circuit, liquid crystal display device, and electronic instrument |
| 04/22/2009 | CN100481178C Light emitting display device and drive control method thereof |
| 04/22/2009 | CN100480940C Synchronous buck converter improvements |
| 04/21/2009 | US7522878 Adaptive inductive power supply with communication |
| 04/21/2009 | US7522435 Power supply converter/s with controller/s responsive to voltage, current, and power |
| 04/21/2009 | US7522433 Efficient voltage rail generation |
| 04/21/2009 | US7522431 Constant current and voltage controller in a four-pin package with dual-use pin |
| 04/21/2009 | US7522430 Switching power supply apparatus |
| 04/21/2009 | US7522429 DC-DC converter |
| 04/21/2009 | US7521912 Power supply apparatus |
| 04/21/2009 | US7521908 Method and apparatus for reducing audio noise in a switching regulator |
| 04/21/2009 | US7521898 Charger, DC/DC converter including that charger, and control circuit thereof |
| 04/16/2009 | WO2009047715A1 Low-power dickson charge pump |
| 04/16/2009 | WO2009046603A1 Low voltage synchronous oscillator for dc-dc converter |
| 04/16/2009 | WO2007060506A3 Multiphase dc to dc converter |
| 04/16/2009 | US20090097285 Variable load, variable output charge-based voltage multipliers |
| 04/16/2009 | US20090097281 Leakage-inductance energy recycling circuit and flyback converter with leakage-inductance energy recycling circuit |
| 04/16/2009 | US20090097280 Resonant converter system having synchronous control circuit and controlling method thereof |
| 04/16/2009 | US20090097279 Inductance-voltage clamping full-bridge soft-switch circuit |
| 04/16/2009 | US20090096565 Parallel gapped ferrite core |
| 04/16/2009 | DE102007049397A1 Operating circuit for supplying direct current to lamp e.g. LED, of emergency lighting device, has regulating and control unit selectively controlling inverter to lock potential-higher switch |
| 04/16/2009 | DE102007048439A1 Verfahren zum Erzeugen von PWM-Signalen A method for generating PWM signals |
| 04/15/2009 | EP2048760A1 Power source system and vehicle having the system, method for conrolling temperature rise of electricity accumulation device, and computer-readable recording medium including recorded program for causing computer to execute control of temperature rise of electricity accumulation device |
| 04/15/2009 | EP2047594A1 Passive amplification of signals |
| 04/15/2009 | EP2047588A2 Binary controller and power supply with a binary controller |
| 04/15/2009 | EP2047587A2 Determining output voltage or current in an smps |
| 04/15/2009 | EP1847008B1 Switching converter |
| 04/15/2009 | EP1683254B1 Voltage transformer and method for operating a voltage transformer |
| 04/15/2009 | EP1642381B1 Switched mode power supply |
| 04/15/2009 | EP1256120B1 Power conversion systems utilizing wire core inductive devices |
| 04/15/2009 | EP1101276B1 Dc-to-dc converting circuit |
| 04/15/2009 | CN201222702Y Synchronous rectifying drive circuit for switch converter |
| 04/15/2009 | CN201222701Y AC/DC power-supply circuit with wide voltage range |
| 04/15/2009 | CN201222699Y Wideband power supply for DVD combined machine |
| 04/15/2009 | CN101411049A Interleaved soft switching bridge power converter |
| 04/15/2009 | CN101411048A Switch mode power supply control systems |
| 04/15/2009 | CN101409513A Multi-channel switch power supply |
| 04/15/2009 | CN101409508A Power circuit and leakage breaker using the same |
| 04/15/2009 | CN101409506A 多相位电压调节器及其控制方法 Multi-phase voltage regulator and control method |
| 04/15/2009 | CN101409505A High power switch mode voltage regulator circuit and collocation method thereof |
| 04/15/2009 | CN101409504A Improved electric charge pump circuit |
| 04/15/2009 | CN101409503A Feedback comparing device and DC-to-DC voltage converter |
| 04/15/2009 | CN100479317C Unregulated DC-DC converter having synchronous rectification with efficient gate drives |
| 04/15/2009 | CN100479316C 电源装置 Power supply unit |
| 04/15/2009 | CN100479315C Switch power devices and electronic devices therewith |
| 04/15/2009 | CN100479314C System and method for detecting an operational fault condition in a power supply |
| 04/15/2009 | CN100479313C Power delivery system having cascaded buck stages |
| 04/15/2009 | CN100479312C Voltage generator device, motor vehicle, control method for the voltage generator device, and control method for the motor vehicle |
| 04/15/2009 | CN100479311C Constant shut-off time control scheme controlled by the high-precision average output current |
| 04/15/2009 | CN100479310C Switching power supply apparatus |
| 04/15/2009 | CN100479309C Dc/dc converter and conversion method |
| 04/15/2009 | CN100479308C DC-DC converter and organic light emitting display using the same |
| 04/15/2009 | CN100479307C A low voltage and high gain charge circuit |
| 04/15/2009 | CN100479306C Device for optimizing charge pump of integrated circuit and method therefor |