Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/2005
04/13/2005EP1522137A2 Dc-dc-converter
04/13/2005EP1522136A2 Voltage converter with charge pumps and medium for storing and reading information
04/13/2005EP1522005A1 Circuit arrangement for stabilizing a supply voltage and method for operating said circuit arrangement
04/13/2005EP1269616A4 Lossles switching converter with dc transformer
04/13/2005EP1251991B1 Method for regulating and/or controlling a welding current source with a resonance circuit
04/13/2005EP1154579A4 Digital-signal autonomous emitter and remote control system based on this emitter
04/13/2005CN2692915Y Frequency hopping PWM controller based on 384X
04/13/2005CN2692902Y Intelligent remote-supplying network communication power
04/13/2005CN1606899A Electronic ballast with rail voltage switching
04/13/2005CN1606828A Synchronized controlled oscillation modulator
04/13/2005CN1606825A Variable voltage source for a flash memory device
04/13/2005CN1606767A Electronic ballast with low voltage output
04/13/2005CN1606385A Induction heater
04/13/2005CN1606221A Switch power supply device and electronic instrument with display device
04/13/2005CN1605905A Liquid crystal display device, power supply circuit, and method for controlling liquid crystal display device
04/13/2005CN1197360C Slave voltage stabilizer with super-large capacity capacitor
04/13/2005CN1197231C Switching power supply circuit
04/13/2005CN1197230C Switching power supply circuit
04/13/2005CN1197229C DC-DC converter
04/13/2005CN1197228C Power-supply circuit for liquid crystal display
04/13/2005CN1197227C Multi-phase converter with balanced current
04/13/2005CN1197226C Power circuit for use in electric equipment
04/13/2005CN1196560C Generator for arc welding machines
04/12/2005US6879502 Power source inverter circuit
04/12/2005US6879501 Switching power supply
04/12/2005US6879500 Apparatus for noise current reduction in power converters
04/12/2005US6879499 DC-DC converter
04/12/2005US6879498 Switched mode power supply responsive to current derived from voltage across energy transfer element input
04/12/2005US6879497 Multiple output power adapter
04/12/2005US6879491 Gate driver multi-chip module
04/12/2005US6879139 Sequencing power supplies
04/12/2005US6879138 Buck converter with transient suppression
04/12/2005US6879137 Power-supply device
04/12/2005US6879136 Inductor current emulation circuit for switching power supply
04/12/2005US6879135 Switching-type, inductive DC-DC converter with improved efficiency
04/12/2005US6879132 Switching power supply unit
04/12/2005US6878981 Triple-well charge pump stage with no threshold voltage back-bias effect
04/07/2005WO2005031959A1 Inverter circuit and photovoltaic power generator
04/07/2005WO2005031958A1 Integrated interface circuitry for integrated vrm power field effect transistors
04/07/2005WO2005031957A1 A switch mode power supply
04/07/2005WO2005031956A1 A switch mode power converter
04/07/2005WO2005031955A1 A switch mode power supply
04/07/2005WO2005031488A1 Apparatus for generating corona discharges
04/07/2005WO2004100345A3 Controlling devices using cascaded control units
04/07/2005US20050074665 System for storing and/or transforming energy from sources at variable voltage and frequency
04/07/2005US20050073865 Ripple-current reduction schemes for AC converters
04/07/2005US20050073863 Ripple-current reduction for transformers
04/07/2005US20050073862 Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux
04/07/2005US20050073861 Active resonant snubber for dc-dc converter
04/07/2005US20050073859 Dc/ac converter and its controller ic
04/07/2005US20050073490 Liquid crystal display device, power supply circuit, and method for controlling liquid crystal display device
04/07/2005US20050073355 High precision digital-to-analog converter with optimized power consumption
04/07/2005US20050073354 Voltage divider for integrated circuits
04/07/2005US20050073288 Cascadable current-mode regulator
04/07/2005DE10339454A1 Voltage conversion circuit for car electronic circuits for protection of passengers, from first to second voltage at capacitor, as well as coil, diode and switch
04/07/2005DE10338189A1 Schutzschaltung für ein Netzteil, sowie Netzteil mit diesbezüglicher Schutzschaltung Protection circuit for a power supply and power supply with this regard protection circuit
04/07/2005CA2540496A1 Apparatus for generating corona discharges
04/06/2005EP1521366A2 Method and apparatus for simplifying the control of a switch
04/06/2005EP1521354A2 Synchronous rectifier
04/06/2005EP1521353A2 Programmable AC/DC power supply
04/06/2005EP1521284A2 Control circuit for driving an electric actuator, in particular an electric fuel injector for an internal-combustion engine
04/06/2005EP1520345A1 Pulse width modulation signal generator
04/06/2005EP1520336A2 Dc-dc converter
04/06/2005CN2691162Y Improved three level bridge type circuit rectifying module
04/06/2005CN2691158Y DC/DC full bridge phase-shift voltage regulating module
04/06/2005CN1605150A Oxidation reduction reflux battery system and its operation method
04/06/2005CN1605149A Isolated converter with synchronized switching leg
04/06/2005CN1605148A Programmable current-sensing circuit providing continuous temperature compensation for DC-DC converter
04/06/2005CN1605147A Circuit arrangement with power factor correction, as well as a corresponding appliance
04/06/2005CN1605051A Electronic ballast with ignition and operation control
04/06/2005CN1604445A Energy saving discontinuous mode system and method
04/06/2005CN1604444A Ripple converter
04/06/2005CN1604443A High-frequency high-power differential arc oxidation pulse power source having discharging gap absorption circuit
04/06/2005CN1604442A A modulatable voltage-stabilized power supply for measuring electrooptic crystal half-wave voltage
04/06/2005CN1604441A Power factor improving circuit
04/06/2005CN1604440A Active resonant snubber for dc-dc converter
04/06/2005CN1604002A Single zero compensator
04/06/2005CN1604001A Power array system and method
04/06/2005CN1604000A Adaptive multi-mode system
04/06/2005CN1603999A Adaptive duty ratio regulator
04/06/2005CN1603998A Duty ratio estimator
04/06/2005CN1603997A Step-up/step-down switch stabilizer control circuit and step-up/step-down switch stabilizer
04/06/2005CN1603996A Synchronization of multiphase synthetic ripple voltage regulator
04/06/2005CN1196134C Booster circuit for semiconductor device
04/05/2005US6876556 Accelerated commutation for passive clamp isolated boost converters
04/05/2005US6876357 Driving circuit for organic electroluminescence device
04/05/2005US6876247 High voltage generator without latch-up phenomenon
04/05/2005US6876190 Current sense apparatus and method
04/05/2005US6876181 Off-line converter with digital control
04/05/2005US6876153 Switching regulator circuit and vehicular lamp
04/05/2005CA2252673C Hearing aid device
03/2005
03/31/2005WO2005029925A1 Power converter with digital signal processor
03/31/2005US20050069049 Method of impulse acreage modulation digital power processing and its device
03/31/2005US20050068811 Non-cascading charge pump circuit and method
03/31/2005US20050068796 Power factor improving circuit
03/31/2005US20050068795 Controlled resonant half-bridge inverter for power supplies and electronic ballasts
03/31/2005US20050068794 Active clamping circuit and power supply system using the same
03/31/2005US20050068793 Pulse width modulated power supply
03/31/2005US20050068792 Switching power supply circuit
03/31/2005US20050068121 Synchronized controlled oscillation modulator
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