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)
08/2003
08/19/2003US6608521 Pulse width modulation regulator control circuit having precise frequency and amplitude control
08/19/2003US6608471 Off-line converter with digital control
08/19/2003US6608396 Electrical motor power management system
08/14/2003WO2003067745A2 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
08/14/2003WO2003067743A1 Power factor correction circuit
08/14/2003WO2003044933B1 A parallel feed-forward compensating type power factor correction circuit for a three-phase power source
08/14/2003WO2003015250A3 Dc to dc converters
08/14/2003WO2002061926A3 Isolated drive circuitry used in switch-mode power converters
08/14/2003US20030151936 Dual input AC and DC power supply having a programmable DC output utilizing a secondary buck converter
08/14/2003US20030151933 DC-DC converter, duty-ratio setting circuit and electric appliance using them
08/14/2003US20030151930 Inductive contactless power transmitter
08/14/2003US20030151929 Power converter with input-side resonance and pulse-position demodulation feedback control
08/14/2003US20030151928 Switching power source device
08/14/2003US20030151927 Synchronous rectifier self gate drive for zero voltage switching power conversion circuits
08/14/2003US20030151870 Device for voltage transformation
08/14/2003US20030151448 Negative voltage output charge pump circuit
08/14/2003US20030151447 Bootstrap circuit in DC/DC static converters
08/14/2003US20030151432 Charge pump system
08/14/2003US20030151423 Rush current limiting circuit for a PFM control charge pump
08/14/2003US20030151395 DC/DC converter
08/14/2003US20030151369 Load drive
08/14/2003CA2475420A1 Circuit arrangement for power factor correction
08/13/2003EP1335483A1 Converter secondary circuit with at least an auxiliary output
08/13/2003EP1334551A1 Self-oscillating control circuit voltage converter
08/13/2003EP1334550A2 Dc-dc converter with reduced input current ripples
08/13/2003CN2566519Y Improved push-pull type boosted circuit
08/13/2003CN1436394A Switching converter
08/13/2003CN1436393A Deal drive buck regulator
08/13/2003CN1436392A Multi-phase pulse width modulated voltage regulator
08/13/2003CN1436328A Control circuit for sequentially switching electrical loads
08/13/2003CN1435943A Pulse width modulating switch adjustor and electronic device
08/13/2003CN1435942A 开关电源电路 Switching power supply circuit
08/13/2003CN1435930A Method and device for controlling power of electric appliance based on temp.
08/13/2003CN1118129C Mixed pulses modulated switching power supply
08/13/2003CN1118128C DC/DC converter circuit with zero-voltage soft switch
08/12/2003US6606259 Clamped-inductance power converter apparatus with transient current limiting capability and operating methods therefor
08/12/2003US6606258 Voltage reference translation system and an electronic circuit employing the same
08/12/2003US6606257 Independent regulation of multiple outputs in a soft-switching multiple-output flyback converter
08/12/2003US6605985 High-efficiency power charge pump supplying high DC output currents
08/12/2003US6605984 Charge pump ripple reduction
08/12/2003US6605983 Voltage conversion circuit
08/12/2003US6605980 Synchronous rectifier circuit
08/12/2003US6605932 Voltage booster circuit and semiconductor device for incorporating same
08/12/2003US6605931 Switching regulator with transient recovery circuit
08/12/2003US6605930 Low power mode and feedback arrangement for a switching power converter
08/12/2003US6604257 Apparatus and method for cleaning a conduit
08/12/2003CA2300346C Charge pump circuit having switching circuits for reducing leakage currents
08/07/2003WO2003065561A1 System comprising an electrical bridge for generating an electrical signal for a load and a control unit for such a system
08/07/2003WO2003065559A1 An apparatus for voltage conversion and a method for control thereof
08/07/2003WO2003065558A2 Synthetic ripple regulator
08/07/2003WO2003065556A2 Low frequency inverter fed by a high frequency ac current source
08/07/2003WO2003065542A1 High voltage generator using inductor-based charge pump for automotive alternator voltage regulator
08/07/2003WO2003065540A2 Charging circuit
08/07/2003WO2003065493A1 Power controller, power control method, information processor, and power control program
08/07/2003WO2003010876A3 Power factor correction circuit with a coil
08/07/2003WO2002037655A3 Integrated multi-level inverter assembly
08/07/2003US20030147265 Converter secondary circuit having an auxiliary output
08/07/2003US20030147264 Circuit configuration combining synchronous rectifier circuit for converter with LC snubber circuit
08/07/2003US20030147263 Resonant converter with phase delay control
08/07/2003US20030146784 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
08/07/2003US20030146782 Step-up circuits
08/07/2003US20030146664 Power supply apparatus, power supply control apparatus, power supply control method
08/07/2003US20030146450 Booster circuit for non-volatile semiconductor memory device
08/07/2003DE20205353U1 Inductive energy transmission to moving object, includes circuitry producing further DC voltage through capacitative potential divider
08/06/2003EP1333567A2 Electrical power conversion
08/06/2003EP1333566A2 Driving a control unit of one or more switching devices
08/06/2003EP1333565A2 Power conversion
08/06/2003EP1333564A2 Delivering a unipolar voltage
08/06/2003EP1333562A1 Converter with output current reading circuit
08/06/2003EP1333553A2 Power distribution to a load
08/06/2003EP1333314A1 Liquid crystal display apparatus
08/06/2003EP1332545A1 Ac/dc converter
08/06/2003CN1434968A LCD driving system with low power requirements
08/06/2003CN1434562A 开关电源装置 Switching power supply unit
08/06/2003CN1434561A 开关电源装置 Switching power supply unit
08/06/2003CN1434560A Multi-stage dc-dc converter
08/05/2003US6603673 Charge-pump circuit and a load-driving circuit utilizing the same
08/05/2003US6603671 Synchronized rectifier voltage step down DC-DC converter and control circuit therefor
08/05/2003US6603346 Semiconductor booster circuit having cascaded MOS transistors
08/05/2003US6603341 Load drive circuit having low voltage detector
08/05/2003US6603317 Leakage current reduction circuit and power supply employing the same
08/05/2003US6603291 Integrated FET and driver for use in a synchronous dc-dc conversion circuit
08/05/2003US6603223 Electronic apparatus having dual-mode load circuit
08/05/2003CA2283974C Constant ionizing current
07/2003
07/31/2003WO2003063328A1 Method and apparatus for maintaining a constant load current in a switch mode power supply
07/31/2003WO2003063327A2 Multicellular dc/dc voltage converter with protection switches
07/31/2003WO2003063326A2 Innovative regulation characteristics in multiple supply voltages
07/31/2003US20030142521 Switching power source device
07/31/2003US20030142519 Synthetic ripple regulator
07/31/2003US20030142518 High voltage generator using inductor-based charge pump for automotive alternator voltage regulator
07/31/2003US20030142516 Method to reduce bus voltage stress in a single-stage single switch power factor correction circuit
07/31/2003US20030142514 Switching power supply unit
07/31/2003US20030142513 Factorized power architecture with point of load sine amplitude converters
07/31/2003US20030142088 Method and system for precharging OLED/PLED displays with a precharge latency
07/31/2003US20030141907 Current-sharing modular supply method and circuit
07/31/2003US20030141858 Programmable dual mode hysteretic power output controller
07/31/2003US20030141857 Current determination circuit, and image printing apparatus having current determination circuit
07/31/2003US20030141856 Switching power supply circuit
07/31/2003US20030141855 Multi output dc-dc converter
07/31/2003US20030141853 Charging circuit
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