| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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| 06/29/2000 | CA2321449A1 Ballast having a reactive feedback circuit |
| 06/28/2000 | EP1014550A2 An AC/DC converter |
| 06/28/2000 | EP0972429A4 Ballast method and apparatus and coupling therefor |
| 06/27/2000 | US6081435 Cross-conduction limiting circuit, method of operation thereof and DC/DC converter employing the same |
| 06/27/2000 | CA2088252C Line-powered, phase-control circuit |
| 06/21/2000 | CN2384367Y Common interference-resisting power factor corrector |
| 06/21/2000 | CN2384366Y High-power high-frequency switch power having good heat radiation and screen functions |
| 06/20/2000 | US6078511 Temperature protection circuit for power converter and method of operation thereof |
| 06/20/2000 | US6078217 Electromagnetic, compatible clocked amplifier for a.c./d.c. current amplification |
| 06/20/2000 | CA2236631C Power supply device |
| 06/20/2000 | CA2047332C Converter arrangement |
| 06/15/2000 | WO2000035071A1 Self-drive synchronous rectification scheme |
| 06/15/2000 | WO2000035070A1 Expanded input voltage range for switch-mode power supply in broadband network |
| 06/15/2000 | DE19855439A1 Filter für Gleichspannungswandler Filters for DC-DC Converters |
| 06/14/2000 | CN1053531C Method for correcting harmonic distortion |
| 06/14/2000 | CN1053530C Method for processing PWM waves and device using the same |
| 06/13/2000 | US6075716 Two-stage, three phase boost converter with reduced total harmonic distortion |
| 06/13/2000 | US6075715 Power source device |
| 06/13/2000 | US6075425 Damping filter arrangement for converters having a regulated voltage source and sinusoidal phase currents |
| 06/08/2000 | WO2000033452A1 A power supply device with externally disconnectable 'y' capacitors |
| 06/08/2000 | WO2000033451A1 Dc/dc converter with multiple inputs |
| 06/08/2000 | WO2000033448A2 A pulse width modulation power converter |
| 06/08/2000 | DE19854567A1 Verfahren zum Steuern einer Gleichrichterschaltung und Gleichrichterschaltung A method of controlling a rectifying circuit and the rectifier circuit |
| 06/08/2000 | CA2347991A1 A pulse width modulation power converter |
| 06/07/2000 | CN1255774A Two electrodes, three-phase voltage increasing converter and method for reducing its distortion of general harmonic |
| 06/07/2000 | CN1255771A Switch power source |
| 06/06/2000 | US6072856 Power supply unit including a pulse width modulated inverter, notably for an x-ray generator |
| 06/02/2000 | WO2000031863A1 System with choke in parallel with a/c line for load conditioning |
| 06/02/2000 | WO2000031862A2 Method for controlling a rectifier circuit and corresponding rectifier circuit |
| 06/02/2000 | WO2000015013A3 Ballast circuit with lamp current regulating circuit |
| 05/31/2000 | EP1005146A2 Filter for DC converter |
| 05/31/2000 | EP1005145A1 High- and low-voltage DC supply |
| 05/30/2000 | US6069811 DC power supply apparatus |
| 05/30/2000 | US6069810 Method for reducing feedbacks on a flow of current drawn from a network during operation of inductive load and a booster converter for driving motors in accordance with the method |
| 05/30/2000 | US6069805 Two stage power supply start up circuit |
| 05/30/2000 | US6069802 Transformer isolated driver and isolated forward converter |
| 05/30/2000 | US6069800 Line harmonic correcting flyback power converter |
| 05/30/2000 | US6069412 Power factor corrected UPS with improved connection of battery to neutral |
| 05/25/2000 | WO2000030241A1 Voltage switch-over device |
| 05/25/2000 | DE19853693A1 Equipment for preventing surge voltages on the output wires of a self-commutated DC voltage changer uses a 3-phase DC voltage changer with 3-phase load and a circuit layout based on a lossy diode DC restorer forming a reference voltage. |
| 05/25/2000 | CA2349611A1 Voltage switch-over device |
| 05/24/2000 | CN1254217A Constant ractive current compensation full-bridge phase-shifting resonance soft switch technique |
| 05/24/2000 | CN1052829C 电源装置 Power supply unit |
| 05/24/2000 | CN1052822C Method and apparatus for protecting switching element of inverter from being overheated |
| 05/24/2000 | CA2285866A1 Two-stage, three-phase boost converter and method of reducing total harmonic distortion for the same |
| 05/23/2000 | US6067242 Current balanced arms of AC/DC bridge rectifiers |
| 05/23/2000 | US6067239 Smoothing circuit for switching power supply |
| 05/18/2000 | DE19851186A1 Circuit for driving power semiconducting elements in inverter has integrated functional selector, switch-on delay, short pulse suppression, operating voltage and temperature monitoring functions |
| 05/18/2000 | DE19850853A1 Frequenzumrichter mit bedämpftem Gleichspannungszwischenkreis Inverter with damped DC intermediate circuit |
| 05/18/2000 | DE19850840A1 Voltage balancing device for power converter valve |
| 05/17/2000 | EP1001537A2 Control circuit |
| 05/17/2000 | EP1001519A1 Protection circuit for a switched-mode power supply |
| 05/17/2000 | EP1001518A1 Protection circuit for a switched-mode power supply |
| 05/17/2000 | EP1001514A2 Switched power converter with hold-up time and harmonics reduction |
| 05/17/2000 | EP1001513A2 Universal switched power converter |
| 05/17/2000 | EP1000459A1 Self-compensating converter |
| 05/17/2000 | CN1253404A Protective circuit of switch type power source |
| 05/16/2000 | US6064578 Power conversion system |
| 05/16/2000 | US6064266 Load limiting circuit and method for limiting the output impedance seen by an amplifier |
| 05/16/2000 | CA2151097C Gate drive circuit for voltage-driven type power switching device |
| 05/11/2000 | WO2000027017A1 Frequency converter having a dampened direct voltage intermediate circuit |
| 05/11/2000 | WO2000008740A3 Arrangement for eliminating radio interferences in an electronic power regulator |
| 05/11/2000 | DE19635355C2 Schaltung zur Ansteuerung von getakteten Energiewandlern mit netzabhängig veränderlicher Schaltfrequenz Circuit to control switched energy converters network dependent variable switching frequency |
| 05/10/2000 | EP0777873B1 A coupling device presenting and/or dominating a capacitance belonging to a board with a printed circuit |
| 05/09/2000 | US6061257 Wholly integrated protection from the effects of a short circuit of the output of a flyback converter |
| 05/09/2000 | US6061256 Apparatus for conversion of a three-phase voltage into an isolated DC voltage |
| 05/09/2000 | US6061253 Variable frequency soft switching power supply with reduced noise and improved power factor |
| 05/09/2000 | US6060876 Symmetrical power system |
| 05/09/2000 | US6060875 Electronic device for smoothing a charge current peak in RLC output stages of switching step-up regulators |
| 05/09/2000 | US6060867 Switch driver for a snubber circuit, method of operation thereof and power converter employing the same |
| 05/09/2000 | US6060844 Method and apparatus of an improved electronics ballast circuit |
| 05/04/2000 | WO2000025424A1 Level shifter |
| 05/04/2000 | WO2000003473A3 Modular apparatus for regulating the harmonics of current drawn from power lines |
| 05/03/2000 | EP0998029A1 Electromagnetically compatible switched amplifier for DC/AC current amplification |
| 05/03/2000 | EP0998017A2 Switching power supply unit |
| 05/02/2000 | US6057674 Energy saving power control system |
| 04/27/2000 | WO2000024104A2 Ground fault protection circuit |
| 04/27/2000 | DE19947128A1 Pulse width modulation current converter has hardware PWM device for digital PWM to produce desired output voltage on basis of demand signal with superimposed HF signal |
| 04/27/2000 | CA2346886A1 Ground fault protection circuit |
| 04/26/2000 | EP0995266A1 Mains filter circuit arrangement |
| 04/26/2000 | EP0929930B1 Switched-mode power supply |
| 04/26/2000 | CN1251733A Power suplly system for group of lamps |
| 04/25/2000 | US6055171 AC/DC converting circuit |
| 04/25/2000 | US6055167 Pulse width modulated boost converter integrated with power factor correction circuit |
| 04/25/2000 | US6055166 Low trickle current startup bias circuit and method of operation thereof |
| 04/25/2000 | US6055165 Method and apparatus for limiting current to high frequency alternating current to voltage regulator modules |
| 04/25/2000 | US6055164 System and method for attenuating induced EMI and power converter employing the same |
| 04/20/2000 | WO2000022721A1 Filtering device for filtering out supply voltage interferences |
| 04/20/2000 | DE19847014A1 Filter for eliminating supply voltage interference for automobile onboard supply network, has capacitor connected to reference potential preceded by diode in parallel with controlled resistance |
| 04/19/2000 | CN1051658C Series resonant converter and method and apparatus for control thereof |
| 04/19/2000 | CN1051657C Switch type power supply arrangement having magnetic flux density control |
| 04/19/2000 | CN1051656C Assembly structure of self-turn-off switching device and snubber circuit therefor |
| 04/18/2000 | US6052298 Inverter input noise suppression circuit |
| 04/18/2000 | US6052294 Power supply snubber reset circuit |
| 04/18/2000 | US6052291 AC adaptor with power consumption reduction in unused state for a battery-operated electronic apparatus |
| 04/18/2000 | US6052290 Switch-mode supply with power factor correction |
| 04/18/2000 | US6051963 Methods and apparatus for actively snubbing waveforms in switching regulators |
| 04/18/2000 | US6051962 Overload protection unit for readjusting switching elements |
| 04/18/2000 | US6051936 Electronic lamp ballast with power feedback through line inductor |
| 04/16/2000 | CA2269748A1 Flyback converters with soft switching |