| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 09/17/2008 | CN100420133C Nondestructive buffering zero-voltage soft switch full-bridged PWM DC-DC converter |
| 09/17/2008 | CN100420132C Enabling circuit for avoiding negative voltage transients and battery recharging system |
| 09/17/2008 | CN100419614C Multichannel pulsewave width modulating converter with balanced current |
| 09/17/2008 | CN100419611C Digital signal processor architecture optimized for controlling switched mode power supply |
| 09/16/2008 | US7426121 Output voltage detection circuit, isolated switching power supply, and semiconductor device |
| 09/16/2008 | US7426120 Switching control circuit having a valley voltage detector to achieve soft switching for a resonant power converter |
| 09/16/2008 | US7426119 Switching power supply apparatus |
| 09/16/2008 | US7425782 Electric car voltage conversion device with failure detection |
| 09/12/2008 | WO2008109830A1 High voltage pulsed power supply using solid state switches with droop compensation |
| 09/12/2008 | WO2008109691A2 Versatile apparatus and method for electronic devices |
| 09/12/2008 | WO2008107376A1 Step-down converter, and method for the operation thereof |
| 09/12/2008 | WO2008107119A1 Current balancing circuit, and method for balancing the phase currents for a multiphase dc-dc converter system |
| 09/12/2008 | WO2008106956A2 Voltage supply for a sputtering system |
| 09/11/2008 | US20080220298 Hybrid Fuel Cell System and Voltage Conversion Control Method Thereof |
| 09/11/2008 | US20080219474 Microphone with voltage pump |
| 09/11/2008 | US20080219033 Switching power supply device |
| 09/11/2008 | US20080219032 Method and system for operating a power converter |
| 09/11/2008 | US20080219031 Apparatus and methods for improving the transient response capability of a switching power supply |
| 09/11/2008 | US20080219030 Isolated dc/dc and dc/ac converters and controlling methods thereof having relatively better effectiveness |
| 09/11/2008 | US20080218149 Display device |
| 09/11/2008 | US20080218146 Method and apparatus for transferring energy in a power converter circuit |
| 09/11/2008 | US20080218138 Method and apparatus for reducing audio noise in a switching regulator |
| 09/11/2008 | US20080217095 Limiting Device for Limiting Relay Welding and Motor Driving Apparatus |
| 09/11/2008 | DE102007010819A1 Stromsymmetrierungsschaltung und Verfahren zur Symmetrierung der Phasenströme für ein mehrphasiges DC-DC-Wandlersystem Current symmetrization circuit and method for balancing the phase currents of a multiphase DC-DC converter system |
| 09/10/2008 | EP1968178A1 Switching power supply circuit and surge absorbing circuit |
| 09/10/2008 | EP1967049A1 Method and apparatus for controlling current supplied to electronic devices |
| 09/10/2008 | EP1966876A1 Circuit arrangement for supplying a field device in automation |
| 09/10/2008 | EP1702403A4 Switching regulator |
| 09/10/2008 | EP1559185A4 Stepping inductor for fast transient response of switching converter |
| 09/10/2008 | CN201113826Y Outdoor type impulse generator |
| 09/10/2008 | CN201113813Y Power supply converter |
| 09/10/2008 | CN201113804Y Large power high -voltage switch energy supply |
| 09/10/2008 | CN201113799Y Combination type direct current voltage adjusting apparatus |
| 09/10/2008 | CN201113798Y Frequency converter switch power circuit |
| 09/10/2008 | CN201113797Y High end driver circuit |
| 09/10/2008 | CN201113796Y Switch power source |
| 09/10/2008 | CN201113795Y Voltage current source composite type DC/DC converter |
| 09/10/2008 | CN201113794Y Device for switch tube accomplishing voltage switch |
| 09/10/2008 | CN201113793Y Switch power source output control circuit |
| 09/10/2008 | CN201113792Y Frequency converter switch power source independent power supply module |
| 09/10/2008 | CN201113791Y Startup sequence control circuit |
| 09/10/2008 | CN201113789Y DC-DC converter |
| 09/10/2008 | CN201113786Y Microcomputer controlled DC speed governing power supply control apparatus |
| 09/10/2008 | CN201113781Y DC-DC voltage converter |
| 09/10/2008 | CN201113568Y Coil induction type charging circuit and electric hair cutter employing the circuit |
| 09/10/2008 | CN201113523Y Direct-current input -type charger |
| 09/10/2008 | CN201113520Y Electric power bank device |
| 09/10/2008 | CN201113504Y Multifunctional electric power bank device |
| 09/10/2008 | CN201113494Y Solar energy controller |
| 09/10/2008 | CN201113475Y USB charger possessing control switch |
| 09/10/2008 | CN201113463Y Full-automatic highly effective boost-buck circuit |
| 09/10/2008 | CN201113376Y Direct-current power supply and electronic equipment possessing the direct-current power supply |
| 09/10/2008 | CN201113222Y Continuous adjustable nanosecond pulse semiconductor laser driving power supply |
| 09/10/2008 | CN101263655A Generating a pulse signal with a modulated duty cycle |
| 09/10/2008 | CN101262226A Delta sigma-type AD converter, class-D amplifier, and DC-DC converter |
| 09/10/2008 | CN101262177A Current control synchronization commutation driving circuit |
| 09/10/2008 | CN101262176A Method and system for operating a power converter |
| 09/10/2008 | CN101262175A Method for pulse bandwidth adjusting circuit and activation pulse bandwidth adjusting circuit |
| 09/10/2008 | CN101262174A DC/DC converter and conversion method |
| 09/10/2008 | CN101262173A Voltage boosting power supply circuit for monitoring charging voltage with predetermined voltage to detect boosted voltage, and boosted voltage control method |
| 09/10/2008 | CN101262149A Controllable efficient wireless energy supply device for biologic implant |
| 09/10/2008 | CN101261764A Wireless driving system for power switch part |
| 09/10/2008 | CN100418295C Conversion control type generator |
| 09/10/2008 | CN100418294C Start device |
| 09/10/2008 | CN100418293C Capacitively coupled power supply |
| 09/09/2008 | US7423894 Interleaved soft switching bridge power converter |
| 09/09/2008 | US7423893 Power supply having two switch-mode power supply units |
| 09/09/2008 | US7423892 Adaptively configured and autoranging voltage transformation module arrays |
| 09/09/2008 | US7423891 Inverter device utilizing three switches controlled in a concurrent manner in a resonant transformer |
| 09/09/2008 | US7423890 Push-pull converter, in particular for driving cold-cathode fluorescent lamps |
| 09/09/2008 | US7423889 Forward converter with synchronous rectification |
| 09/09/2008 | US7423888 Voltage conversion circuit and switching power supply device |
| 09/09/2008 | US7423887 Switching power supply circuit |
| 09/09/2008 | US7423295 Light emitting device and element substrate |
| 09/09/2008 | CA2519343C Communications device powered from host apparatus |
| 09/09/2008 | CA2417771C Alexander topology resonance energy conversion and inversion circuit utilizing a series capacitance multi-voltage resonance section |
| 09/04/2008 | WO2008106546A2 High voltage pulsed power supply using solid state switches with voltage cell isolation |
| 09/04/2008 | WO2008106049A1 Gate drive voltage selection for a voltage regulator |
| 09/04/2008 | WO2008105741A1 Self-coupled driver used in dual-switch forward power converter |
| 09/04/2008 | WO2008105465A1 Multi-output switching power supply device |
| 09/04/2008 | WO2008105161A1 Electric power source device |
| 09/04/2008 | WO2008104919A1 Load current detection in electrical power converters |
| 09/04/2008 | WO2008011182A3 Circuit for charging a capacitor with a power source |
| 09/04/2008 | WO2008008143A3 Universal power converter |
| 09/04/2008 | US20080212346 Antenna impedance modulation method |
| 09/04/2008 | US20080212341 Dc-dc converter and transformer |
| 09/04/2008 | US20080212340 Method For Operating A Power Converter In A Soft-Switching Range |
| 09/04/2008 | US20080211478 Frequency Controller Resonant Converter |
| 09/04/2008 | US20080211474 Step-up/down DC-DC converter |
| 09/04/2008 | US20080211468 Method and apparatus for supplying power |
| 09/04/2008 | US20080211461 Capacitor charging circuit, flash unit, and camera |
| 09/04/2008 | US20080211316 Electric power converter |
| 09/04/2008 | US20080211304 Intermediate bus architecture with a quasi-regulated bus converter |
| 09/04/2008 | DE202008003506U1 Dualstromssystem mit Umschaltungssteuerungsschaltkreis Dual-phase system with switching control circuit |
| 09/04/2008 | DE102008012022A1 Step-down controller for transcription of input voltage into output voltage, has input, which is connected with pin of input voltage and memory element which is switched between input and output |
| 09/04/2008 | DE102007009838A1 Spannungsumsetzer mit einer Eingangseinheit, einer Übergangseinheit und einer Ausgangseinheit Voltage converter with an input unit, a transition unit and an output unit |
| 09/03/2008 | EP1965612A1 Discharge lamp lighting device and image display device |
| 09/03/2008 | EP1965496A2 Delta-sigma type ad converter, class-d amplifier, and dc-dc coverter |
| 09/03/2008 | EP1714200A4 Adc transfer function providing improved dynamic regulation in a switched mode power supply |
| 09/03/2008 | EP1579554A4 Controller for dc to dc converter |