Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
10/2009
10/29/2009US20090268496 Three-phase buck-boost power factor correction circuit and controlling method thereof
10/29/2009US20090268495 Electric circuit, use of a semiconductor component and method for manufacturing a semiconductor component
10/29/2009US20090268494 Synchronous Rectifier Control Circuit and Method
10/29/2009US20090268493 Power-on reset circuit and electronic device using the same
10/29/2009US20090268490 Systems and Methods For Controlling A Converter For Powering A Load
10/29/2009DE102008019294A1 Versorgungseinheit für elektrische Antriebe und Verfahren zur Steuerung dieser Versorgungseinheit Supply unit for electrical drives and method for controlling this supply unit
10/29/2009DE102007051106B4 Umrichter zur Versorgung eines Elektromotors und Verfahren zum Betreiben eines Umrichters Converter for supplying an electric motor and method for operating a converter
10/29/2009CA2722362A1 Input protection circuit
10/28/2009EP2112758A1 Ac/dc power conversion device using magnetic energy recovery switch
10/28/2009EP2112737A2 Circuit for protecting at least one direct current network with direct current loads against overvoltage
10/28/2009CN101569084A Method for controlling a load with a predominantly inductive character and a device applying such a method
10/28/2009CN101569083A Forced commutated inverter apparatus
10/28/2009CN101569081A Motor controller
10/28/2009CN101568216A Inverter circuit and liquid crystal display device
10/28/2009CN101567639A Phase current detector
10/28/2009CN101567638A Active output direct-current component control inverter and control method thereof
10/28/2009CN101567637A Design of singlechip-controlled switch power
10/28/2009CN101567636A Current controlled synchronous rectification drive circuit
10/28/2009CN101567635A Improved radio-frequency power supply for plasma discharge at atmospheric pressure
10/28/2009CN101567634A Electric power circuit, power adapter and charger
10/28/2009CN101567633A Isolated voltage converter with feedback on the primary winding and passive snubber network, and corresponding control method
10/28/2009CN101567574A Proportional balancing method for voltage of energy storage device and circuit
10/28/2009CN101567573A Uninterrupted power and control method thereof
10/28/2009CN101567563A Method and system for controlling dispersion type power pack
10/28/2009CN101566979A USB plug with privacy function
10/28/2009CN100556226C High efficiency adaptable AC/DC converter
10/28/2009CN100555870C Voltage clamp circuit, switching power supply apparatus, semiconductor integrated circuit device, and voltage level converting circuit
10/28/2009CN100555836C Power converter controller and control method
10/28/2009CN100555832C Power conversion apparatus and methods using DC bus shifting
10/28/2009CN100555831C Electronic ballast
10/27/2009US7609536 Autotransformer AC/DC converter
10/27/2009US7609535 Method and apparatus for providing input EMI filtering in power supplies
10/27/2009US7609532 Phase-shifted PWM bridge with switchable inductors to maintain zero-voltage switching at light load
10/27/2009US7609024 Auxiliary bus method
10/27/2009US7608943 Power supply adapter and power supply system
10/27/2009US7607827 Temperature detection device, temperature detection method, and computer-readable computer program product containing temperature detection program
10/22/2009WO2009128536A1 Temperature detecting circuit
10/22/2009WO2009128312A1 Converter control method
10/22/2009WO2009128217A1 Switching power supply apparatus
10/22/2009WO2009127412A2 Supply unit for electric drives, and method for controlling said supply unit
10/22/2009WO2009127079A1 Parallel bridge and high-voltage parallel bridge circuit construction
10/22/2009WO2009099342A3 Electromagnetic field energy recycling
10/22/2009US20090262562 Efficiency improvement in power factor correction
10/22/2009US20090260668 System and method for efficient power utilization and extension of battery life
10/22/2009DE19949700B4 Schaltung zur Gleichrichtung einer getakteten Wechselspannung Circuit for rectifying an AC voltage clocked
10/22/2009DE102008018885A1 Leiterplatte, Verfahren zur Bestimmung eines Stromraumzeigers, Umrichter, Leiterplatte und Baureihe von Umrichtern PCB method for determining a current space vector, converters, PCB and series of inverters
10/22/2009DE102008018075A1 Method for determining current space vector, particularly for use in control or regulating process for pulse-width modulation operated inverter, involves switching off upper and associated lower bridge section assigned to one initial phase
10/21/2009EP2110939A1 Inverter and method for controlling an inverter with flying capacitors
10/21/2009EP2110937A1 Insulation type ac-dc converter and led dc power supply device using the same
10/21/2009EP2110934A1 Semiconductor switch and power converter to which the semiconductor switch is applied
10/21/2009EP1870996B1 Circuit for feeding electric energy in a electric utility grid
10/21/2009CN201332521Y IGBT serial inversion type quick melting furnace
10/21/2009CN201332377Y Inductor passenger carriage generator distribution box
10/21/2009CN201332365Y Inverter synchronous set type generating device
10/21/2009CN201332364Y High efficient large power AC/standard DC dual-direction output power supply circuit
10/21/2009CN201332363Y Automobile electrocoating power supply capable of preventing ignition fault
10/21/2009CN201332362Y Novel electronic rectification device
10/21/2009CN201332356Y Rectification power supply trigger controller
10/21/2009CN201331907Y Power supply device of integrated liquid crystal display device
10/21/2009CN201330944Y Light-emitting rod
10/21/2009CN101563845A Charge pump for generation of multiple output-voltage levels
10/21/2009CN101563838A Three level power converter
10/21/2009CN101562929A Isolated driving power for high-power light emitting diode
10/21/2009CN101562922A High brightness LED driving power without electrolytic capacitor
10/21/2009CN101562912A Safety type home-use electric heating appliance
10/21/2009CN101562406A Voltage-clamp power converters
10/21/2009CN101562405A Multifunctional high-voltage power supply
10/21/2009CN101562404A Resonance conversion device and synchronous rectification circuit thereof
10/21/2009CN101562403A Single-phase electronic type electric energy meter electric source
10/21/2009CN101562402A Variable frequency oscillator used for alternating current/direct current switching power supply
10/21/2009CN101562390A Oscillator in alternating current/direct current converter for pulse width modulation
10/21/2009CN101562347A Vanadium battery charge-discharge control method and charge-discharge switch board thereof
10/21/2009CN101562177A Semiconductor device, and energy transmission device using the same
10/21/2009CN100553399C Single-stage backlight inverter and method for driving the same
10/21/2009CN100553132C Power-supply apparatus
10/21/2009CN100553112C Offset PWM signals for multiphase motor
10/21/2009CN100553101C Power circuit
10/21/2009CN100553100C Inverter apparatus
10/21/2009CN100553099C Soft switch circuit of power supply
10/21/2009CN100553098C High voltage-proof rectifier implemented by standard CMOS logic process
10/21/2009CN100553097C Special DC constant voltage and current power supply for high-voltage speed controller
10/21/2009CN100553096C Ground fault detection system and method for inverter
10/21/2009CN100553086C Power converter, inverter x-ray high voltage unit, fluoroscopic system, x-ray CT system, MRI system
10/21/2009CN100553070C Uninterruptable power supply possessing multiple protection functions
10/20/2009US7606532 Adaptable power supply circuit
10/20/2009US7605637 Voltage multiplier and relative operating method
10/20/2009US7605570 Bridgeless PFC converter with low common-mode noise and high power density
10/20/2009US7605456 Inverter unit
10/15/2009WO2009126405A2 Ac and dc uninterruptible online power supplies
10/15/2009WO2009125834A1 System stabilization device
10/15/2009WO2009125063A1 Electrical system for a forklift
10/15/2009WO2009124798A1 Method and device for current measurement in phase lines
10/15/2009WO2009124564A1 Multi-level converter system with regulation circuit and a method for operating it
10/15/2009WO2009094540A3 Simplified maximum power point control utilizing the pv array voltage at the maximum power point
10/15/2009WO2009057989A3 Adaptive rectifier device for tapping ubiquitous radio waves
10/15/2009US20090257260 Analog input device
10/15/2009US20090257259 Bridge synchronous rectifier
10/15/2009US20090257258 Power supply apparatus and semiconductor integrated circuit device
10/15/2009US20090257256 High efficient input current shaping for ac to dc converters with power factor correction requirement
10/15/2009US20090257254 Voltage-clamp power converters