| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 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 | EP1001517A2 Dual output power supply and method of operation thereof |
| 05/17/2000 | EP1001516A2 Power supply employing circulating capacitor and method of operation thereof |
| 05/17/2000 | EP1001515A2 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 | CN1253409A Asymmetric full-bridge phase-shift type zero-voltage zero-current soft switch circuit and its method |
| 05/17/2000 | CN1253408A Efficient electricity-saving method for electrothermal load of only resistor and its practical device |
| 05/17/2000 | CN1253407A Current supply device |
| 05/17/2000 | CN1253404A Protective circuit of switch type power source |
| 05/17/2000 | CN1052586C Switch power unit and its digital controller |
| 05/16/2000 | US6064583 Charge pump for dividing input voltage and multiplying output current |
| 05/16/2000 | US6064582 Current converter for increasing current and decreasing voltage |
| 05/16/2000 | US6064580 Switching power supply |
| 05/16/2000 | US6064579 Shifted drive inverter for multiple loads |
| 05/16/2000 | US6064275 Internal voltage generation circuit having ring oscillator whose frequency changes inversely with power supply voltage |
| 05/16/2000 | US6064266 Load limiting circuit and method for limiting the output impedance seen by an amplifier |
| 05/16/2000 | US6064251 System and method for a low voltage charge pump with large output voltage range |
| 05/16/2000 | US6064250 Various embodiments for a low power adaptive charge pump circuit |
| 05/16/2000 | US6064187 Voltage regulator compensation circuit and method |
| 05/16/2000 | US6064185 Circuit preventing battery from over discharging |
| 05/16/2000 | US6064124 Power supplying apparatus for use in an image forming apparatus |
| 05/11/2000 | WO2000026740A1 Method and apparatus for digital voltage regulation |
| 05/11/2000 | WO2000026737A1 Single inverter with dual boost |
| 05/11/2000 | DE19851789A1 Schaltnetzteil Switching power supply |
| 05/10/2000 | EP0998782A2 Device for direct current supply |
| 05/10/2000 | EP0756777B1 Power-supply and communication |
| 05/10/2000 | EP0415923B2 High efficiency converter |
| 05/10/2000 | CN1052348C Power supplying circuit |
| 05/09/2000 | US6061577 Electrical power supply circuit, in particular for portable appliances |
| 05/09/2000 | US6061261 Wall outlet with direct current output |
| 05/09/2000 | US6061257 Wholly integrated protection from the effects of a short circuit of the output of a flyback converter |
| 05/09/2000 | US6061255 Drive circuit for synchronous rectifiers in isolated forward converter |
| 05/09/2000 | US6061254 Forward converter with active clamp circuit |
| 05/09/2000 | US6061253 Variable frequency soft switching power supply with reduced noise and improved power factor |
| 05/09/2000 | US6061252 Switching power supply device |
| 05/09/2000 | US6061238 Information processing apparatus, method of arranging components of the apparatus, and heat sink |
| 05/09/2000 | US6060942 Voltage boosting power supply circuit of memory integrated circuit and method for controlling charge amount of voltage boosting power supply |
| 05/09/2000 | US6060932 Variable frequency charge pump |
| 05/09/2000 | US6060869 Power supply circuit |
| 05/09/2000 | US6060867 Switch driver for a snubber circuit, method of operation thereof and power converter employing the same |
| 05/09/2000 | US6060819 Piezoelectric transformer |
| 05/04/2000 | WO2000025556A1 Circuit arrangement |
| 05/04/2000 | WO2000025555A1 Circuit arrangement |
| 05/04/2000 | WO2000025525A2 Digital-signal autonomous emitter and remote control system based on this emitter |
| 05/04/2000 | WO2000025413A1 Switch mode and computer power supply with a method of its controlling |
| 05/04/2000 | WO2000025412A1 Device and method for supplying an electrical charge with power |
| 05/04/2000 | WO2000003473A3 Modular apparatus for regulating the harmonics of current drawn from power lines |
| 05/03/2000 | EP0998017A2 Switching power supply unit |
| 05/03/2000 | EP0997945A1 Method of designing power supply circuit and semiconductor chip |
| 05/03/2000 | EP0997642A1 Control circuit for an electromagnetic coil with duty ratio adjustment for compensating power source voltage fluctuations |
| 05/02/2000 | US6058034 Current converter and source identification and detection |
| 05/02/2000 | US6058030 Multiple output DC-to-DC converter having enhanced noise margin and related methods |
| 05/02/2000 | US6058029 Power unit for generating discharge shock waves |
| 05/02/2000 | US6058027 Micromachined circuit elements driven by micromachined DC-to-DC converter on a common substrate |
| 05/02/2000 | US6058026 Multiple output converter having a single transformer winding and independent output regulation |
| 05/02/2000 | US6057725 Protection circuit for use during burn-in testing |
| 05/02/2000 | US6057675 DC/DC converter |
| 05/02/2000 | US6057631 Piezoelectric transducing inverter |
| 05/02/2000 | US6057612 Flat power pack |
| 05/02/2000 | US6057607 Method and apparatus for voltage regulation in multi-output switched mode power supplies |
| 05/02/2000 | US6056808 Modular and low power ionizer |
| 04/27/2000 | WO2000024107A1 Reverse polarity protection circuit for power output stage with at least one highside semiconductor switch |
| 04/27/2000 | WO2000007287A3 A bi-directional dc-to-dc power converter |
| 04/27/2000 | DE19848880A1 Arrangement for supplying power to electrical load has power supply connected to load via power supply line(s), switch with parallel bypass device so load is connected to supply via bypass |
| 04/27/2000 | DE19848159A1 Polarity inversion protection circuit for electronic final power stage has n-channel power FET that receives fed back drive voltage(s) from electronics to high side semiconducting switch(es) |
| 04/26/2000 | EP0996285A2 Power supply with multiple mode operation |
| 04/26/2000 | EP0996233A2 Apparatus and method for controlling power saving mode in a power supply |
| 04/26/2000 | EP0996219A2 Drive compensation circuit for synchronous rectifier and method of operating the same |
| 04/26/2000 | EP0995258A1 Single-barrier closed loop dc-to-dc converter and method |
| 04/26/2000 | EP0929930B1 Switched-mode power supply |
| 04/25/2000 | US6055201 High voltage boosted word line supply charge pump and regulator for DRAM |
| 04/25/2000 | US6055170 Prediction methods and circuits for operating a transistor as a rectifier |
| 04/25/2000 | US6055169 Current mode control circuit for paralleled power supply and method of operation thereof |
| 04/25/2000 | US6055168 Capacitor DC-DC converter with PFM and gain hopping |
| 04/25/2000 | US6055166 Low trickle current startup bias circuit and method of operation thereof |
| 04/25/2000 | US6055162 Self-oscillating DC-DC converter apparatus and method especially adaptable for VHF operation |
| 04/25/2000 | US6055161 Switching type power supply for arc welding |
| 04/25/2000 | US6054816 Active snubbing in a discharge lamp ballast |
| 04/25/2000 | US6054674 DC power supply apparatus for arc-utilizing apparatuses |
| 04/20/2000 | WO2000022685A1 High voltage power supply using thin metal film batteries |
| 04/19/2000 | EP0994556A1 Semiconductor device including an integrated circuit for realizing a DC converter |
| 04/19/2000 | EP0994499A1 Electronic power supply device for an electromagnetic switch device |
| 04/19/2000 | CN1250973A Semiconductor device of integrated circuit having ac-dc voltage converter |
| 04/19/2000 | CN1250898A Controller used for DC-DC converter |
| 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 |
| 04/18/2000 | US6052790 Computer system with improved DC to DC power conversion employing capacitive energy storage reservoirs |
| 04/18/2000 | US6052295 Cascade of voltage multipliers |
| 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 | US6052022 Voltage boosting circuits having over-voltage protection circuits therein |
| 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 | US6051961 Soft-switching cell for reducing switching losses in pulse-width-modulated converters |
| 04/18/2000 | US6051960 Switching regulator with reduced power consumption |
| 04/18/2000 | US6051804 Plasma cutting or arc welding power supply with phase staggered secondary switchers |
| 04/18/2000 | CA2053382C Voltage booster |