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)
08/2005
08/23/2005US6934167 Contactless electrical energy transmission system having a primary side current feedback control and soft-switched secondary side rectifier
08/23/2005US6934166 Output resistance modulation in power converters
08/23/2005US6934165 Loosely coupled parallel resonant converter
08/23/2005US6934156 Electric-power supply with rectifier
08/23/2005US6934141 Power supply device preventing inrush current
08/23/2005US6933768 Method for increasing the input voltage of an integrated circuit with a two-stage charge pump, and integrated circuit
08/23/2005US6933767 Circuit arrangement
08/23/2005US6933711 Voltage slicer and method
08/23/2005US6933709 Digital control system and method for switched mode power supply
08/23/2005US6933706 Method and circuit for optimizing power efficiency in a DC-DC converter
08/23/2005US6933702 Control method and system for motor
08/23/2005US6931869 Refrigerated vending machine exploiting expanded temperature variance during power-conservation mode
08/23/2005CA2150339C High-performance dc-dc converter
08/18/2005WO2005076451A1 Power supply for use in an electronic energy meter
08/18/2005WO2005076450A1 Zero-voltage switching half-bridge dc-dc converter topology by utilizing the transformer leakage inductance trapped energy
08/18/2005WO2005076449A1 Switching power supply apparatus and electronic device using the same
08/18/2005WO2005076448A1 Switching power supply device
08/18/2005WO2005076447A1 Switching power supply
08/18/2005WO2005076446A1 Method and robust control circuit based on the switched converter reference model
08/18/2005WO2005076433A1 Hybrid fuel cell system and voltage conversion control method thereof
08/18/2005WO2005076100A1 Bootstrap capacitor refresh circuit
08/18/2005WO2005076099A1 Enabling circuit for avoiding negative voltage transients
08/18/2005WO2005075817A1 Condenser capacitive ignition device
08/18/2005US20050180236 Precharge circuit for DC/DC boost converter startup
08/18/2005US20050180227 Booster circuit
08/18/2005US20050180184 Arc welding set with power source and inverter
08/18/2005US20050180182 Switching power supply apparatus and power control method
08/18/2005US20050180180 Power supply unit
08/18/2005US20050180179 Snubber ciruit
08/18/2005US20050180178 Synchronous rectifier with dead time adjusting function
08/18/2005US20050180176 Welding set with quasi-resonant soft-switching inverter
08/18/2005US20050180175 Inverter topology for utility-interactive distributed generation sources
08/18/2005US20050180174 CC-CC low power converter
08/18/2005US20050180173 Power converter with interleaved topology
08/18/2005US20050180068 Switching power supply controller with built-in supply switching
08/18/2005US20050179627 Light emitting display device and driving control method therefor
08/18/2005US20050179472 Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
08/18/2005US20050179425 Motor driving apparatus incorporating switch device driving apparatus
08/18/2005US20050179424 Voltage booster circuit having back-up circuit and battery voltage boosting method
08/18/2005US20050179423 Inductor current sensing scheme for PWM regulator
08/18/2005US20050179039 Active matrix type semiconductor device
08/18/2005DE10209164B4 H-Brückenschaltung H-bridge circuit
08/18/2005DE102005003021A1 Electrical power supply and lighting system for an automobile has multiple stages with circuit having output controller
08/18/2005DE102005001138A1 Snubber-Schaltung Snubber circuit
08/18/2005DE102004062401A1 Leistungswandler Power converter
08/18/2005DE102004006060A1 Multiple sensor unit under voltage indicating unit uses processor with switched outputs or controller to activate changing colour pattern of display elements
08/18/2005DE102004004488A1 Lokales Netz mit übertragerloser Signalübertragung Local area network with transformless signal transmission
08/18/2005CA2557328A1 Power supply for use in an electronic energy meter
08/17/2005EP1564876A1 Welding unit with soft switching quasi-resonant inverter
08/17/2005EP1564874A1 Arc welding unit with power source and inverter
08/17/2005EP1564779A2 Ion source frequency feedback device and method
08/17/2005EP1563608A2 Digital signal to pulse converter
08/17/2005EP1563597A1 Apparatus and method for charging and discharging a capacitor
08/17/2005EP1563596A1 High-voltage power supply
08/17/2005EP1563595A1 Power converter
08/17/2005EP1563594A1 Power converter
08/17/2005EP1563593A2 Power converter circuitry and method
08/17/2005EP1563592A2 Power converter circuitry and method
08/17/2005EP1563591A1 System and method for providing digital pulse width modulation
08/17/2005EP1563590A2 Power converter circuitry and method
08/17/2005EP1563588A2 Power converter circuitry and method
08/17/2005EP1340312B1 Multiple port bi-directional power converter
08/17/2005CN2718892Y DC converter
08/17/2005CN1655432A Power supply circuit for liquid crystal display
08/17/2005CN1655431A Slow starting electric charge pump circuit
08/17/2005CN1655218A Light emitting display device and driving control method therefor
08/17/2005CN1215749C Power supply devices
08/17/2005CN1215706C Power supply circuit for video display device
08/17/2005CN1215638C Dual positive excitated DC-DC power transfer device with soft switch in three electrical levels
08/17/2005CN1215637C Switch power devices
08/16/2005US6930897 Fuel cell inverter
08/16/2005US6930896 Power regeneration circuit and power conversion system
08/16/2005US6930895 Computer power supply
08/16/2005US6930894 Switching power supply and distributed parameter structure
08/16/2005US6930893 Factorized power architecture with point of load sine amplitude converters
08/16/2005US6930584 Microminiature power converter
08/16/2005US6930536 Voltage booster
08/16/2005US6930535 High voltage supply circuit and a method of supplying high voltage
08/16/2005US6930526 Quasi-feedforward PWM modulator
08/16/2005US6930474 Current sense apparatus and method using a combination of a simulation and a real sense for a switching mode power converter
08/16/2005US6930473 Method and circuit for reducing losses in DC-DC converters
08/16/2005US6930472 Switching regulator circuit
08/16/2005US6930453 Power supply device for energizing discharge lamp
08/16/2005US6930408 Circuit for the generation of electric power of opposite polarity in a pulsating power supply
08/16/2005CA2366352C Solar power charging system
08/16/2005CA2262995C Non-contact integrated circuit comprising a charge pump
08/16/2005CA2209186C Switching power supply apparatus and method
08/11/2005WO2005074114A1 Method for limiting inverse current for diode recovery
08/11/2005WO2005074113A1 Switching power supply
08/11/2005WO2005074112A1 Method of operating a dc/dc up/down converter
08/11/2005WO2005074111A1 Switched noise filter circuit for a dc-dc converter
08/11/2005WO2005074110A1 Switching power supply and semiconductor integrated circuit
08/11/2005WO2005074109A1 Short circuit control in the inductance of a voltage boost converter
08/11/2005WO2005074093A1 Method and device for supplying a charge with electric energy recovery
08/11/2005WO2005073014A1 Auxiliary power supply for vehicle
08/11/2005WO2005039026A3 A high precision digital-to-analog converter with optimized power consumption
08/11/2005US20050174819 Synchronous rectification circuit with dead time regulation
08/11/2005US20050174818 Liquid crystal display system with lamp feedback
08/11/2005US20050174817 DC/AC converter to convert direct electric voltage into alternating voltage or into alternating current
08/11/2005US20050174815 Soft-start charge pump circuit
1 ... 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 ... 545