Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
02/2004
02/25/2004CN1140047C Switching power circuit
02/25/2004CN1140046C Switching power device
02/25/2004CN1140045C Quasi-single-stage power converter with power factor correction
02/25/2004CN1140044C Bipolar great power pulse power source
02/24/2004US6697273 Control unit for controlling a direct-current load
02/24/2004US6697272 Contactless power transmitting system and contactless charging system
02/24/2004US6697269 Single-stage converter compensating power factor
02/24/2004US6697267 Voltage converter
02/24/2004US6697266 Method and system for providing a DC voltage with low ripple by overlaying a plurality of AC signals
02/24/2004US6697265 Wide range DC power supply utilizing voltage doubling output capacitors and inductive choke to extend full power load impedance range
02/24/2004US6696909 Circuit module and method for mounting the same
02/24/2004US6696883 Negative bias charge pump
02/24/2004US6696882 Transient override circuit for a voltage regulator circuit
02/24/2004US6696861 Switch mode regulator controller using hybrid technique
02/24/2004US6696826 Switching mode driving of an inductive load
02/24/2004US6696825 DC-to-DC converter with fast override feedback control and associated methods
02/24/2004US6696824 Reduction of external component count in variable voltage integrated DC/DC converter
02/24/2004US6696823 Low voltage, high current dc computer power system
02/24/2004US6696821 DC-DC converter, duty-ratio setting circuit and electric appliance using them
02/24/2004US6696772 Synchronous rectification
02/24/2004CA2292175C Single stage ac/dc converter for high frequency ac distribution systems
02/22/2004CA2437452A1 Dc-dc converter
02/19/2004WO2004015850A1 Dc-to-dc converter
02/19/2004WO2004015849A1 Switching power supply circuit
02/19/2004WO2004015848A2 A method for controlling the transient response of a power converter powering a load, transient response controller and power converter
02/19/2004WO2003067745A3 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
02/19/2004WO2003001314A9 Current limiting technique for a switching power converter
02/19/2004US20040033456 Device for increasing power of extremely low DC voltage
02/19/2004US20040032755 Method in connection with converter bridges
02/19/2004US20040032754 Multiple output power supply having soft start protection for load over-current or short circuit conditions
02/19/2004US20040032753 Apparatus for noise current reduction in power converters
02/19/2004US20040032752 Flyback converter
02/19/2004US20040032242 Method of regulating the supply voltage of a load and related voltage regulator
02/19/2004US20040032241 Extended output range switching power supply with constant power feature
02/19/2004US20040032240 Flyback converter linearization methods and apparatus
02/19/2004US20040032239 Low-noise multi-output power supply circuit featuring efficient linear regulators and method of design
02/19/2004DE10234999A1 Reserve power supply device for electronic devices has incoming/outgoing connections and a transformer to pick up, deliver and transform/convert primary and secondary voltage/current respectively
02/18/2004EP1389829A1 Power converter and electric power generator
02/18/2004EP1389828A2 Low-noise multi-output power supply circuit featuring efficient linear regulators and method of design
02/18/2004EP1389359A2 Dc-to-dc converter comprising a switching controller
02/18/2004EP0901704B1 High-voltage plants with electric motors
02/18/2004EP0901702B1 A hydro-generator plant
02/18/2004CN1476662A DC-DC converter with reduced input current ripples
02/18/2004CN1476156A One by one period switch control used on low ready machine power
02/18/2004CN1476155A Step-up circuit
02/18/2004CN1475882A Device for controlling printing machine power supply and its method
02/18/2004CN1139175C DC-DC exchanger
02/18/2004CN1139174C Power supply device and circuit associated with said power supply device
02/18/2004CN1139167C Charger
02/18/2004CN1139084C Magnetic core for saturable reactor, multi-output switching regulator and computer having multi-output switching regulator
02/17/2004US6694438 System for controlling the delivery of power to DC computer components
02/17/2004US6694272 Microcontroller controlled voltage reference
02/17/2004US6693812 Bias supply selection circuit, method of operation thereof and power supply employing the same
02/17/2004US6693811 Integrated controller, method of operation thereof and power supply employing the same
02/17/2004US6693808 Control method of DC-DC converter
02/17/2004US6693805 Ripple cancellation circuit for ultra-low-noise power supplies
02/17/2004US6693804 Switching power supply circuit
02/17/2004US6693571 Modulation of a digital input signal using a digital signal modulator and signal splitting
02/17/2004US6693483 Charge pump configuration having closed-loop control
02/17/2004US6693482 Voltage generation circuits and methods of operating same that use charge sharing to increase voltage step-up
02/17/2004US6693480 Voltage booster with increased voltage boost using two pumping capacitors
02/17/2004US6693479 Boost structures for switched-capacitor systems
02/17/2004US6693414 Power supply apparatus
02/17/2004US6693413 Programmable power supply
02/17/2004US6693412 Power savings in a voltage supply controlled according to a work capability operating mode of an integrated circuit
02/17/2004US6693411 Switch mode power stage
02/17/2004US6693390 Load driving apparatus
02/17/2004CA2183787C Electronic device for converting electric power and supply plant using such device
02/12/2004WO2004014111A1 Driver for a gas discharge lamp
02/12/2004WO2004013950A2 Dc/dc down converter
02/12/2004WO2004013949A2 Voltage-voltage converter for integrated circuits
02/12/2004WO2003043165A3 Half-bridge isolation stage topologies
02/12/2004WO2003038985A3 Current controlled motor amplifier system
02/12/2004WO2002061927A3 Isolated drive circuitry used in switch-mode power converters
02/12/2004WO2002056452A3 Phase-controlled ac-dc power converter
02/12/2004US20040027842 Electric power conversion device with push-pull circuitry
02/12/2004US20040027757 Power supply device for driving
02/12/2004US20040027508 Liquid crystal display apparatus
02/12/2004US20040027400 Apparatus for controlling power supply to printer and method thereof
02/12/2004US20040027112 Power converter and electric power generator
02/12/2004US20040027105 Drive apparatus for PWM control of two inductive loads with reduced generation of electrical noise
02/12/2004US20040027104 Multiple output dc-dc converter
02/12/2004US20040027102 Method and apparatus for generating a high voltage
02/12/2004US20040027101 Buck-boost DC-DC switching power conversion
02/12/2004US20040027099 Power supply
02/12/2004US20040027098 Device and method for controlling a switching power supply and corresponding switching power supply
02/12/2004DE10232416A1 Circuit arrangement for stabilizing supply voltage controls converter and regulates voltage across second storage device so sum of voltages across first, second storage devices equals desired voltage
02/11/2004EP1388927A2 Apparatus operating at a power level within a range of power levels
02/11/2004EP1388208A1 Synchronous rectifiers
02/11/2004EP1388202A1 An apparatus and a method for voltage conversion
02/11/2004EP1388201A2 An active bleed voltage balancing circuit
02/11/2004EP1388184A2 Switched charge voltage driver and method for applying voltage to tunable dielectric devices
02/11/2004EP0883926B1 High-efficiency electric motor of electronic commutation type
02/11/2004CN1475005A Energy recovering circuit with boosting voltage-up and energy efficient method using the same
02/11/2004CN1474502A Circuit module for producing low ripple APD bias voltage
02/11/2004CN1474501A Switch power circuit and converter
02/11/2004CN1474500A Circuit and method for realizing DC transformer using switch capacitor array
02/11/2004CN1474492A Power converter and power generator
02/11/2004CN1138334C Power supply circuit
02/11/2004CN1138333C Charge pump and its IC circuit, and method for reducing peak current of charge pump