Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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10/18/2001 | US20010030364 High voltage generating circuit improved in parasitic capacitance of voltage-dividing resistance |
10/18/2001 | DE10017186A1 Device for setting voltages of electrical loads e.g. fan motor, defines voltage applied to load by ratio of two periods in cycle with load and short circuit switches operated in opposite senses |
10/18/2001 | DE10015275A1 Load-driving circuit especially for inductive load, such as electric motor |
10/18/2001 | DE10013672A1 Stromrichterschaltung Converter circuit |
10/18/2001 | CA2372598A1 Miniaturized ac/dc power supply and battery charger |
10/17/2001 | EP1146630A2 Method for regulating the output current and/or the output voltage of a switched mode power supply |
10/17/2001 | EP1146629A2 Control circuit and method for maintaining high efficiency in a buck-boost switching regulator |
10/17/2001 | EP1146628A2 Integrated circuit |
10/17/2001 | EP1146620A2 Driving method of semiconductor switching device and power supply apparatus operated according to said method |
10/17/2001 | EP1145913A2 Vehicle power supply with voltage stabiliser |
10/17/2001 | EP1145604A1 Electronic ballast circuit |
10/17/2001 | EP1145415A1 A synchronous flyback converter |
10/17/2001 | EP1145414A1 Dc-dc converter |
10/17/2001 | EP1145404A1 Method of, and circuit for, controlling the discharge of a battery |
10/17/2001 | EP0932858B1 Hybrid regulator |
10/17/2001 | EP0904619B1 Circuitry for voltage pole reversal |
10/17/2001 | EP0694184B1 Boost converter power supply with reduced losses, control circuit and method therefor |
10/17/2001 | CN2455040Y Intelligent splatter ion pump power-supply controller |
10/17/2001 | CN1318220A Circuit and method for automatic rectification in converters |
10/17/2001 | CN1317866A Zero-voltage zero-current soft-switch converter |
10/17/2001 | CN1317865A Dual-unit step-up switch converter |
10/17/2001 | CN1317864A Current-type chopper with self-excited thyristor |
10/16/2001 | US6304473 Operating a power converter at optimal efficiency |
10/16/2001 | US6304470 Power supply device |
10/16/2001 | US6304469 Charge pump circuit including level shifters for threshold voltage cancellation and clock signal boosting, and memory device using same |
10/16/2001 | US6304467 Progressive start-up circuit for activating a charge pump |
10/16/2001 | US6304466 Power conditioning for remotely mounted microwave power amplifier |
10/16/2001 | US6304464 Flyback as LED driver |
10/16/2001 | US6304463 Single-ended forward converter circuit with quasi-optimal resetting for synchronous rectification |
10/16/2001 | US6304462 Method and apparatus providing a multi-function terminal for a power supply controller |
10/16/2001 | US6304461 DC power converter having bipolar output and bi-directional reactive current transfer |
10/16/2001 | US6304460 Switching DC-to-DC converter utilizing a soft switching technique |
10/16/2001 | US6304256 Display unit |
10/16/2001 | US6304147 Method and circuit for reduced power consumption in a charge pump circuit |
10/16/2001 | US6304068 Bi-directional switched-capacitor based voltage converter |
10/16/2001 | US6304066 Control circuit and method for maintaining high efficiency over broad current ranges in a switching regular circuit |
10/16/2001 | US6304065 Power electronic circuits with all terminal currents non-pulsating |
10/16/2001 | US6304064 Power supply device, power supply method and electronic equipment |
10/16/2001 | US6304046 Driving control circuit of a hood motor |
10/16/2001 | US6304007 Switcher for switching capacitors |
10/11/2001 | WO2001076051A2 Dc power adapter system |
10/11/2001 | WO2001076049A2 Universal input to dc output conversion circuitry |
10/11/2001 | US20010028570 Converter output regulation via channel resistance modulation of synchronous rectifiers |
10/11/2001 | US20010028206 Multilayer piezoelectric transformer |
10/11/2001 | DE10017590A1 Electrical supply device has step-up circuit between operating voltage and voltage regulator inputs activated if battery voltage is below threshold to raise battery voltage at least to threshold |
10/11/2001 | DE10012363A1 Elektronischer Transformator Electronic transformer |
10/10/2001 | EP1142454A1 A high power factor electronic ballast with simplified circuit topology |
10/10/2001 | EP1142095A1 Power transfer unit by electrical energy transformer |
10/10/2001 | EP1142094A1 Overload protection for a switch mode power supply |
10/10/2001 | EP1142093A1 System and method for alternating standby mode |
10/10/2001 | EP1142092A1 Inverter circuit |
10/10/2001 | EP1142091A1 Power supply and method for producing non-periodic complex waveforms |
10/10/2001 | EP1142090A1 Voltage switch-over device |
10/10/2001 | EP1142089A1 Multimode switched-mode power supply |
10/10/2001 | EP1142088A1 High efficiency voltage multiplication device and its use |
10/10/2001 | EP0927450B1 Sample-and-hold circuit for a switched-mode power supply |
10/10/2001 | CN2453603Y Single end normal direction dc to dc inverter |
10/10/2001 | CN1316934A Generator for arc welding machines |
10/10/2001 | CN1316820A Direct current power supply unit using condenser |
10/09/2001 | US6301633 Generic serial interface with automatic reconfigurability |
10/09/2001 | US6301139 Self-driven synchronous rectifier circuit for non-optimal reset secondary voltage |
10/09/2001 | US6301135 Isolated switching-mode power supply control circuit having secondary-side controller and supervisory primary-side controller |
10/09/2001 | US6301132 Compact fast battery charger |
10/09/2001 | US6301129 Switching power supply circuit |
10/09/2001 | US6301128 Contactless electrical energy transmission system |
10/09/2001 | US6301127 Circuit block for power supply |
10/09/2001 | US6300839 Frequency controlled system for positive voltage regulation |
10/09/2001 | US6300820 Voltage regulated charge pump |
10/09/2001 | US6300818 Temperature compensation circuit for semiconductor switch and method of operation thereof |
10/09/2001 | US6300751 Switching regulator control circuit avoiding break-down of the switching element |
10/09/2001 | US6300723 Apparatus for power factor control |
10/09/2001 | US6300589 Plasma cutting or arc welding power supply with phase staggered secondary switchers |
10/04/2001 | WO2001073948A1 A zero-voltage-switch snubber circuit |
10/04/2001 | WO2001073931A1 Lossles switching converter with dc transformer |
10/04/2001 | WO2001073930A1 Method and arrangement for controlling a synchronous rectifier in a dc/dc converter |
10/04/2001 | WO2001073928A2 Method and circuit for reduced power consumption in a charge pump circuit |
10/04/2001 | WO2000022685A9 High voltage power supply using thin metal film batteries |
10/04/2001 | US20010026462 Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supply |
10/04/2001 | US20010026461 Independent load sharing between parallel inverter units in an AC power system |
10/04/2001 | US20010026458 Power convertor with low loss switching |
10/04/2001 | US20010026187 Booster, IC card having the same, and electronic equipment having the same |
10/04/2001 | US20010026170 Electronic circuit provided with a digital driver for driving a capacitive load |
10/04/2001 | US20010026113 Piezoelectric transformer |
10/04/2001 | US20010026100 System for driving a reactive load |
10/04/2001 | EP1139554A2 Microcontroller operated electric motor soft start using a table drive equation with variable timing |
10/04/2001 | EP1139552A2 Power supply apparatus |
10/04/2001 | EP1139551A2 Charge pump type power supply circuit and driving circuit for display device and display device using such power supply circuit |
10/04/2001 | EP1139330A2 Driving apparatus for display device |
10/04/2001 | EP1138429A2 A welding, plasma or heating power source |
10/04/2001 | EP1138177A1 Modular master-slave power supply controller |
10/04/2001 | EP1138110A1 Llc converter, and method for controlling an llc converter |
10/04/2001 | EP1138107A1 Soft start scheme for resonant converters having variable frequency control |
10/04/2001 | EP1138093A1 High voltage power supply using thin metal film batteries |
10/03/2001 | CN1316174A Flyback converter as LED driver |
10/03/2001 | CN1316127A Power supply device and circuit associated with said power supply device |
10/03/2001 | CN1315778A Public power unit and device for mounting same |
10/03/2001 | CN1072409C Switched-mode power supply with synchronous preconverter |
10/02/2001 | US6297976 Thin, cascade-connected direct current source circuit |
10/02/2001 | US6297974 Method and apparatus for reducing stress across capacitors used in integrated circuits |
10/02/2001 | US6297970 Multiple output synchronous rectifier circuit providing zero volt switch mode operation |