Patents for H02M 1 - Details of apparatus for conversion (33,954)
04/2007
04/04/2007CN2886912Y Controller for power converter
04/04/2007CN2886911Y Variable-frequency speed regulator with harmonic suppression
04/04/2007CN2886910Y Universal power supply adaptor
04/04/2007CN1943098A 电压调节电路 Voltage regulating circuit
04/04/2007CN1943097A Method and related circuit for protection against malfunctioning of the feedback loop in switching power supplies
04/04/2007CN1942982A Method and device for detecting the degree of pollution in an operational converter
04/04/2007CN1942838A Process device with switching power supply
04/04/2007CN1941592A Method and device for inhibiting resonance peak
04/04/2007CN1941575A Double-output power supplier
04/04/2007CN1941574A Controlling circuit with skip-frequency operation and electromagnetic interference of power supplier decreasement
04/04/2007CN1941535A Power supplier of brushless DC motor
04/03/2007US7200018 Charging of a filter capacitor in the intermediate circuit of a frequency converter
04/03/2007US7200017 Controller and driving method for supplying energy to display device circuitry
04/03/2007US7200015 Automatic capacitor discharge for power supplies
04/03/2007US7199643 Hot swappable pulse width modulation power supply circuits
04/03/2007US7199637 Rectifier circuit without alternating-current feedback
04/03/2007US7199632 Duty cycle correction circuit for use in a semiconductor device
04/03/2007US7199589 Method for controlling a switching converter and control device for a switching converter
04/03/2007US7199562 Line frequency switching regulator
03/2007
03/29/2007WO2006137027A3 Method for driving an inverter of a gas discharge supply circuit
03/29/2007WO2005120202A3 Low switching frequency power factor correction circuit
03/29/2007US20070070668 Programmable electrical power systems and methods
03/29/2007US20070070663 Method and related circuit for protection against malfunctioning of the feedback loop in switching power supplies
03/29/2007US20070070661 Logic circuitry powered by partially rectified ac waveform
03/29/2007US20070070660 Method and apparatus for estimating line inductance for PWM rectifier control
03/29/2007US20070070655 Dc-dc converter
03/29/2007US20070069289 Method and apparatus for driving a power MOS device as a synchronous rectifier
03/29/2007DE202006019141U1 Leistungselektronikvorrichtung Power electronics device
03/29/2007DE202005018566U1 Elektrisches Gerät mit Batteriefach Electrical equipment with battery compartment
03/28/2007EP1768242A1 Ac power supply unit for regenerating magnetic energy
03/28/2007EP1768240A1 Level shift circuit and switching regulator using the same
03/28/2007EP1768238A1 Method for limiting the temperature of a power output stage of an electric motor
03/28/2007EP1766766A2 Anharmonic low-current ac-dc converter
03/28/2007EP1766750A1 Bi-directional energy conversion system
03/28/2007EP1766749A2 System, apparatus, and method for generating force by intruoducing a controlled plasma environment into an asymmetric capacitor
03/28/2007EP1766629A2 Power supply voltage detection circuitry and methods for use of the same
03/28/2007EP1766491A1 Output power factor control of pulse-width modulated inverter
03/28/2007CN2884687Y Reversible converter based on DSP control
03/28/2007CN2884683Y Energy saving autocar antitheft device
03/28/2007CN2884682Y All resonance power source circuit device having variable inputting voltage
03/28/2007CN2884677Y Vehicle power supply filter
03/28/2007CN2884644Y Improvement device for increasing efficieny of gasoline engine
03/28/2007CN1938932A Discontinuous mode PFC controller with energy-saving modulator and its operating method
03/28/2007CN1938931A Soft switch power converter with power-saving member
03/28/2007CN1938925A Noise control circuit
03/28/2007CN1938924A PWM controller of modulator with power-saving and noise reducing
03/28/2007CN1937387A SPWM pulse generating and distributing circuit for pure sine wave inverter
03/28/2007CN1937379A Linear predictive sampling circuit and device for measuring transformer degaussing voltage
03/28/2007CN1937375A Control circuit for electric tool two-purpose power supply
03/28/2007CN1307798C Circuit arrangement for the reliable switching of electrical circuits
03/28/2007CN1307783C Motor control system
03/28/2007CN1307776C Power source system for microprocessor
03/27/2007US7196917 PFC pre-regulator frequency dithering circuit
03/27/2007US7196892 Method and apparatus for isolating RFI, EMI, and noise transients in power supply circuits
03/27/2007US7196500 Downlocking and/or upgrading integrated circuit
03/27/2007US7196480 Method of soft-starting a switching power supply containing phase-control clipping circuit
03/27/2007US7196479 Electronic ballast having a protective circuit for a switching transistor of a converter
03/27/2007US7196436 Solid state relay for switching AC power to a reactive load and method of operating the same
03/27/2007US7196286 Heating apparatus, auxiliary power supply apparatus, auxiliary power supply system, fixation apparatus, and moving picture formation apparatus
03/22/2007WO2007032489A1 Temperature protection circuit, power supply, and electronic device
03/22/2007WO2007032238A1 Power converter
03/22/2007WO2005096487A3 Circuit arrangement for aircraft engine regulators
03/22/2007US20070064457 Methods and apparatus for resistance compression networks
03/22/2007US20070064454 Circuit and method for soft start from a residual voltage
03/22/2007US20070063684 Device for the correction of the power factor in forced switching power supplies
03/22/2007US20070063307 Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
03/22/2007US20070062432 Position-adjusting mechanism of an optical engine
03/22/2007DE102005045122A1 Steuervorrichtung für eine dreiphasige Drehstrommaschine und Verfahren zum Betreiben der Steuervorrichtung A control apparatus for a three-phase machine and method for operating the control device
03/21/2007EP1346612B1 Improved control circuit for power factor corrected electronic ballasts and power supplies
03/21/2007CN2882100Y 开关电源装置 Switching power supply unit
03/21/2007CN1934771A Power supply and display
03/21/2007CN1933310A Method for raizing drive circuit reliability and large power drive circuit
03/21/2007CN1933307A Active passive mixed single phase power factor correcting circuit
03/21/2007CN1933306A Starting circuit with feedforward compensation for power converter
03/21/2007CN1933305A Electric power device
03/21/2007CN1933017A 半导体器件 Semiconductor devices
03/21/2007CN1306702C Driving circuit and semiconductor device
03/20/2007US7193873 Cradle for receiving an adapter
03/20/2007US7193870 Method and apparatus for dissipative clamping of an electrical circuit
03/20/2007US7193869 Noise suppressor
03/20/2007US7193398 Tip having active circuitry
03/15/2007WO2007028745A1 Close control of electric power converters
03/15/2007WO2006114295A3 Phase control
03/15/2007DE202006017080U1 Anordnung zum Kühlen eines elektrischen Schaltanlagenschranks Arrangement for cooling an electrical switchgear cabinet
03/15/2007DE112005000336T5 Aktive modulare Abgleichschaltung Active modular balancing circuit
03/15/2007DE10392735T5 Invertierereinrichtung Invertierereinrichtung
03/15/2007DE102006038474A1 Stromrichter Converter
03/15/2007DE102005043882A1 Verfahren zum Betreiben von Schaltnetzteilen A method of operating a switching power supply
03/15/2007DE102005041116A1 Steckernetzgerät mit auswechselbarer Netzsteckereinheit AC adapter with interchangeable plug unit
03/14/2007EP1761997A1 System and method for detecting an operational fault condition in a power supply
03/14/2007EP1761832A1 Method and circuit for active power factor correction
03/14/2007EP1689059A4 Supply-line filter
03/14/2007EP1550200A4 Method and apparatus for driving a power mos device as a synchronous rectifier
03/14/2007EP1468485B1 Method and apparatus for maintaining a constant load current in a switch mode power supply
03/14/2007CN2879519Y Intelligent electric power supplier
03/14/2007CN2878750Y Wide-blade eccentric fan, radiation device and big power/pressure adjustor
03/14/2007CN1930769A Control circuit for switching power supply
03/14/2007CN1930768A Power supply apparatus
03/14/2007CN1930767A Motor drive circuit
03/14/2007CN1930766A Power converter, inverter x-ray high voltage unit, fluoroscopic system, x-ray CT system, MRI system