Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2001
11/22/2001DE10022760A1 Method for controlling an electrical energy storing configuration and configuration for storing electrical energy has an inductive resistor or a superconductive magnetic store linked to an intermediate electrical circuit store.
11/22/2001CA2408773A1 Bi-directional current source
11/21/2001EP1156580A2 Switching power supply apparatus with active clamp circuit
11/21/2001EP1155492A1 Converter with resonant circuit elements
11/21/2001EP0976193B1 Pulse width modulator
11/21/2001EP0901683B1 Switched-mode regulator for an electromagnet
11/21/2001CN1323266A Hybrid drive system
11/21/2001CN1323093A Bipolar great power pulse power source
11/21/2001CN1075275C Output voltage stabilizing circuit of power factor correction circuit
11/21/2001CN1075274C Switch power supply arrangement
11/21/2001CN1075273C Reverse peak voltage removing circuit
11/20/2001US6320796 Variable slope charge pump control
11/20/2001US6320772 Converter circuit having control means with capability to short-circuit converter output
11/20/2001US6320770 Data processing device and method for the voltage supply of same
11/20/2001US6320768 Power supply pulse width modulation (PWM) control system
11/20/2001US6320766 Power-saving circuit for an AC/DC adaptor for a portable computer
11/20/2001US6320765 Switching power circuit
11/20/2001US6320764 Regulation circuit for a power converter and method of operation thereof
11/20/2001US6320763 Switching power supply unit
11/20/2001US6320733 Pulse-width modulator for controlling a semiconductor circuit breaker
11/20/2001US6320457 High level voltage generator
11/20/2001US6320456 Charge pump
11/20/2001US6320455 Boost circuit
11/20/2001US6320434 Circuit and method for generating a synchronous clock signal
11/20/2001US6320404 Defective power source detection method and apparatus of power source supply system
11/20/2001US6320359 DC-DC converter and controller for detecting a malfunction therein
11/20/2001US6320358 Bidirectional energy management system independent of voltage and polarity
11/20/2001US6320357 Circuit arrangement
11/20/2001US6320301 Piezoelectric-transformer inverter
11/20/2001US6320281 Method of obtaining the adjustable capacitor
11/15/2001WO2001086797A1 Method and apparatus for power supply and conversion
11/15/2001WO2001086796A1 Switching power supply circuit
11/15/2001WO2001086795A1 Switching power supply
11/15/2001WO2001086794A1 Resonant switching power supply circuit with voltage doubler output
11/15/2001WO2001086793A1 Device for increasing a direct-current voltage from a first value to a second value
11/15/2001WO2001086792A1 Switching dc-to-dc converter
11/15/2001WO2001086791A1 X-ray generator and x-ray ct apparatus comprising the same
11/15/2001WO2001086789A2 Circuit and method for adaptive leading edge blanking in pulse width modulated current mode switching power supply controllers
11/15/2001WO2001086368A2 Method for negative feedback controlling electrical power and negative feedback controlled power supply
11/15/2001WO2001057999A8 Dc/dc conversion circuit
11/15/2001US20010040823 Apparatus and method for programming voltage protection in a non-volatile memory system
11/15/2001US20010040812 Modularized power supply
11/15/2001US20010040478 High frequency bipolar switching transistor
11/15/2001US20010040420 Laminated piezoelectric transformer
11/15/2001CA2379089A1 Switching power supply circuit
11/15/2001CA2379084A1 Resonant switching power supply circuit with voltage doubler output
11/14/2001EP1154579A2 Digital-signal autonomous emitter and remote control system based on this emitter
11/14/2001EP1154564A2 Two stage amplifier
11/14/2001EP1153788A1 Hybrid drive system
11/14/2001EP1058961B1 Switching controller
11/14/2001EP0923790B1 Fast power supply for image intensifying tube
11/14/2001EP0885480B1 Circuit arrangement for switching network sections with several load-independent output voltages
11/14/2001CN2459747Y 过欠压继电器 Undervoltage relay
11/14/2001CN1322456A Modular master-slave power supply controller
11/14/2001CN1322396A Inverter circuit
11/14/2001CN1322054A Switch supply unit with active clamping circuit
11/14/2001CN1321963A Driving device for display device
11/14/2001CN1074866C SMPS With variable start up frequency circuit
11/13/2001US6317458 Fault detection for a pulse width modulation driver
11/13/2001US6317345 Power supply distribution system employing non-isolated DC/DC converters
11/13/2001US6317343 Capacitor power supply with switches to decrease variations in output voltage
11/13/2001US6317342 Electrostatic microresonant power conversion
11/13/2001US6317341 Switching circuit, method of operation thereof and single stage power factor corrector employing the same
11/13/2001US6317340 Circuit configuration for driving a pulse width modulator in a switched mode power supply
11/13/2001US6317337 Switching power supply circuit
11/13/2001US6317336 Current-fed dc/dc converter with multilevel transformer and method of operation thereof
11/13/2001US6317122 Power circuit, liquid crystal display device, and electronic equipment
11/13/2001US6316986 Method and device for voltage multiplication
11/13/2001US6316922 DC-DC converter which supresses power supply noise in low power circuit
11/13/2001US6316907 Filtering and voltage raising circuit for connection between a car radio and a motor-vehicle battery
11/13/2001US6316844 Power supply for consuming lower power in a standby mode
11/08/2001WO2001084697A2 Dc to dc converter method and circuitry
11/08/2001WO2001084528A1 Lcd driving system with low power requirements
11/08/2001US20010038546 Integrated controller for synchronous rectifiers
11/08/2001US20010038545 AC-DC converter
11/08/2001US20010038543 Method and apparatus for a regulated power supply incluing a charge pump with sampled feedback
11/08/2001US20010038542 Power converter control loop
11/08/2001US20010038540 Switching circuit of power conversion apparatus
11/08/2001US20010038306 High voltage generating circuit
11/08/2001US20010038279 Circuit for providing a regulated output voltage
11/08/2001US20010038278 Constant-frequency control circuit for a switching voltage regulator of the hysteretic type
11/08/2001US20010038277 Digital voltage regulator using current control
11/07/2001EP1152519A2 DC-DC converter
11/07/2001EP1152518A1 Dc-dc converter
11/07/2001EP1151524A1 Switched mode power supply
11/07/2001EP1151523A1 Method for automatically identifying operating parameters of a low voltage electric supply
11/07/2001EP1151366A1 A scaleable charge pump for use with a low voltage power supply
11/07/2001CN2458816Y Full-voltage series independent-excited pure DC/DC converter
11/07/2001CN1320889A Charge pump system with multiple independently excited charge pumps and relative method
11/07/2001CN1320502A Method and apapratus for receiving universal input voltage in welding, plasma or heating power supply apparatus
11/07/2001CN1074602C Switch power supply driven controlled thick film circuit
11/07/2001CN1074601C Low cost high efficiency power converter
11/07/2001CN1074600C Topologic circuit of DC-DC soft switch power change
11/07/2001CN1074334C Method and apparatus for controlling inverter resistance welding
11/06/2001US6314010 Slope-based primary feedback to control the off-time of a power supply
11/06/2001US6314008 Adjustable low spurious signal DC-DC converter
11/06/2001US6314006 DC/DC converter
11/06/2001US6314005 DC-DC converter which compensates for load variations
11/06/2001US6314004 Switching power source
11/06/2001US6314003 Switched-mode power supply