Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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03/19/2002 | US6359500 Charge pump with efficient switching techniques |
03/19/2002 | US6359420 Circuit for coupling energy to a pulse forming network or capacitor |
03/19/2002 | CA2241795C Intelligent power supply with staged loading capability |
03/14/2002 | WO2002021672A1 Lossless switching dc-to-dc converter |
03/14/2002 | WO2002021670A1 Switching mode power supply with high efficiency |
03/14/2002 | WO2002021669A1 Current mode switching controller |
03/14/2002 | WO2001063723A3 Ultra-low power switching regulator method and apparatus with adaptively adjustable switching frequency and peak current trip point |
03/14/2002 | US20020031001 Method for generating a regulated D.C. voltage from an A.C. voltage and power supply device for implementing said method |
03/14/2002 | US20020031000 Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power supply system |
03/14/2002 | US20020030534 Charge pump circuit |
03/14/2002 | US20020030473 Electronic apparatus |
03/14/2002 | DE10043485A1 Switch-mode power supply circuit arrangement, includes sense-MOSFET as control supply device in parallel with load circuit of switching transistor |
03/14/2002 | DE10043482A1 Current-Mode-Schaltregler Current Mode Switching Regulators |
03/14/2002 | DE10038988A1 Voltage converter has auxiliary voltage generator providing control energy for burst operating mode |
03/13/2002 | EP1187304A1 Power supply and electronic device using power supply |
03/13/2002 | EP1187303A2 PWM Control circuit for DC-DC converter |
03/13/2002 | EP1187298A2 Uninterruptible duplexed power system, and unit plug-in structure for uninterruptible duplexed power supply system |
03/13/2002 | EP1187294A2 Power controller and power controlling method |
03/13/2002 | EP1186096A1 Electrical power extraction from mechanical disturbances |
03/13/2002 | EP1186090A1 Method and circuit for reduced power consumption in a charge pump circuit |
03/13/2002 | CN2482268Y DC high-voltage power supply for field exploration |
03/13/2002 | CN2482267Y Auto-coupling multigroup energy transducer |
03/13/2002 | CN1339934A 图象显示装置和便携式电子装置 An image display device and a portable electronic device |
03/13/2002 | CN1339866A New self-driving circuit of synchronous rectifier tube |
03/13/2002 | CN1339860A Power unit powered by cell |
03/13/2002 | CN1080949C Power unit and voltage transformer |
03/12/2002 | US6356501 Apparatus for generating high voltage signal |
03/12/2002 | US6356499 Power supply circuit and semiconductor memory device having the same |
03/12/2002 | US6356469 Low voltage charge pump employing optimized clock amplitudes |
03/12/2002 | US6356468 Arrangement for limiting starting current in a power supply |
03/12/2002 | US6356466 Multimode switched mode power supply with output stabilization |
03/12/2002 | US6356465 Switching power supply apparatus with active clamp circuit |
03/12/2002 | US6356464 Method and apparatus providing a multi-function terminal for a power supply controller |
03/12/2002 | US6356463 High frequency, voltage feedback control mode power converter |
03/12/2002 | US6356462 Soft-switched full-bridge converters |
03/12/2002 | US6356461 Transformer flux observer for a full bridge power converter and method of operation thereof |
03/12/2002 | US6356137 Voltage boost circuit with low power supply voltage |
03/12/2002 | US6356063 Switching regulator with transient recovery circuit |
03/12/2002 | US6356062 Degenerative load temperature correction for charge pumps |
03/12/2002 | US6356059 Buck converter with normally off JFET |
03/12/2002 | US6355990 Power distribution system and method |
03/07/2002 | WO2002019508A2 Multiple output dynamically regulated charge pump power converter |
03/07/2002 | WO2002019507A2 Interleaved power converters incorporating bang-bang control |
03/07/2002 | WO2002019487A2 Wideband regulator with fast transient suppression circuitry |
03/07/2002 | WO2002019074A2 Transient suppression power regulation |
03/07/2002 | WO2001084697A3 Dc to dc converter method and circuitry |
03/07/2002 | WO2001079019A8 Multiple-voltage power supply circuitry for motor vehicle |
03/07/2002 | US20020027805 Apparatus and method for programming voltage protection in an non-volatile memory system |
03/07/2002 | US20020027788 DC-to-DC converter providing high current and low voltage |
03/07/2002 | US20020027787 Switching power supply unit |
03/07/2002 | US20020027786 Power supply control circuit, power supply and power supply control method |
03/07/2002 | US20020027785 SMPS protection circuit in electronic appliance |
03/07/2002 | US20020027756 Battery-operated power supply unit |
03/07/2002 | US20020027467 Single mode buck/boost regulating charge pump |
03/07/2002 | US20020027428 Load-dependent frequency modulation circuit and method for switching power system |
03/07/2002 | DE10139071A1 Wandlervorrichtung Conversion device |
03/07/2002 | DE10041475A1 Schaltnetzteil Switching power supply |
03/07/2002 | DE10040453A1 Power supply has series circuit of coil, controlled switch and voltage supply unit connected to terminals, and load unit coupled to coil for providing output voltage for load |
03/07/2002 | DE10040413A1 Schaltungsanordnung zur Erzeugung eines Schaltsignals für ein stromgesteuertes Schaltnetzteil Circuit arrangement for generating a switching signal for a current-controlled switching power supply |
03/07/2002 | CA2418042A1 Multiple output dynamically regulated charge pump power converter |
03/06/2002 | EP1184964A2 Switched-mode power supply |
03/06/2002 | EP1184963A2 DC-DC high voltage converter |
03/06/2002 | EP1184962A1 High efficiency electronic circuit for generating and regulating a supply voltage |
03/06/2002 | EP1183780A1 Electronic circuit provided with a digital driver for driving a capacitive load |
03/06/2002 | EP1183765A2 Method and device for regulating the parallel operation of dc converters |
03/06/2002 | EP1183164A1 Multiple-voltage power supply circuitry for motor vehicle |
03/06/2002 | CN2481049Y Self-exciting type thyristor current type chopper |
03/06/2002 | CN1338868A Short pulse style power supply synchronized with power supply frequency |
03/06/2002 | CN1338812A Switch power supply circuits with improved power loss factor for providing constant voltage |
03/06/2002 | CN1338811A Resonance-type switched power supply with zero-voltage and zero-current switching |
03/06/2002 | CN1080478C Switch-mode power supply control circuit |
03/05/2002 | US6353547 Three-level soft-switched converters |
03/05/2002 | US6353544 Flyback converter with synchronous rectifier |
03/05/2002 | US6353543 Switching circuit of power conversion apparatus |
03/05/2002 | US6353525 Arrangement in a power unit for a grid-pulsed, O-type microwave tube |
03/05/2002 | US6353356 High voltage charge pump circuits |
03/05/2002 | US6353310 DC/DC charge and supply converting module |
03/05/2002 | US6353278 Piezoelectric transformer having increased voltage output |
02/28/2002 | WO2002017469A1 Multiple power converter system using combining transformers |
02/28/2002 | WO2002017467A1 Circuit arrangement for generating a switching signal for a current controlled switched mode power supply |
02/28/2002 | WO2002017466A1 Cascadable high efficiency charge pump circuit and related methods |
02/28/2002 | WO2002017460A1 Mobile phone charger using a usb |
02/28/2002 | WO2001089089A3 Bi-directional current source |
02/28/2002 | WO2001071894A3 Oscillatorless dc-dc power converter |
02/28/2002 | WO2001071893A3 Ultra-capacitor based dynamically regulated charge pump power converter |
02/28/2002 | US20020024829 Switching power supply having magnetic amplifier control circuits |
02/28/2002 | US20020024827 Current limited buck power supply |
02/28/2002 | US20020024826 PWM control circuit for DC-DC converter |
02/28/2002 | US20020024825 Power supply apparatus |
02/28/2002 | US20020024824 High-voltage DC/DC converter |
02/28/2002 | US20020024785 Power-source system, power supplying method and image capturing apparatus |
02/28/2002 | US20020024389 Power controller and power controlling method |
02/28/2002 | US20020024377 Charge pump circuit allowing efficient electric charge transfer |
02/28/2002 | US20020024328 Off-line converter with digital control |
02/28/2002 | US20020024327 Slave regulator with supercap |
02/28/2002 | US20020024269 Method of driving a piezoelectric transformer and power source apparatus using the same |
02/28/2002 | DE10040879A1 Netzteil mit einer Batterie AC power with a battery |
02/28/2002 | DE10040275A1 Schaltungsanordnung und Elektrogerät mit einem Elektromotor und einem Drosselwandler Circuitry and electrical appliance with an electric motor and a buck converter |
02/28/2002 | DE10036054A1 Schaltung für eine fotografischen Blitz Circuit for a photographic flash |
02/28/2002 | DE10006949A1 Synchronous rectifier circuit has auxiliary transistor driving free-running transistor so free-running transistor is switched off when input voltage positive and on for negative input voltage |