Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
09/2003
09/04/2003US20030165069 Method and system for providing a dc voltage by overlaying a plurality of ac signals
09/04/2003US20030164739 Oscillator for DC-DC converter
09/04/2003US20030164728 Capacitor charge sharing charge pump
09/04/2003US20030164644 Power circuit and method for controlling same
09/04/2003US20030164511 Charge pump device
09/03/2003EP1341294A2 Method and control unit for driving a control circuit
09/03/2003EP1341144A1 Power circuit for a plasma display
09/03/2003EP1340410A2 Led-driver circuit
09/03/2003EP1340312A2 Multiple port bi-directional power converter
09/03/2003EP1340191A1 Voltage regulator circuit for chipcard ics
09/03/2003EP1212828B1 Low-cost soft switching in paralleled switch assemblies
09/03/2003CN1440586A Switching DC-DC converter
09/03/2003CN1440233A Power supply devices
09/03/2003CN1440113A Power supply devices
09/03/2003CN1440104A Power circuit and method for controlling same circuit
09/03/2003CN1439867A Predictive method for surplus life, temperature testing structure and electronic device
09/03/2003CN1439473A Arc component processing power source with component for reducing switch loss
09/03/2003CN1120563C Composite active clamp DC-Dc converter
09/03/2003CN1120562C Minimum voltage type active clamp DC-DC converter
09/03/2003CN1120561C Mixed bridge-type zero-voltage and zero-current switch three level DC converter
09/03/2003CN1120560C Positive excited DC/DC converter with single-end isolation of soft switch
09/02/2003US6614705 Dynamic random access memory boosted voltage supply
09/02/2003US6614699 Booster circuit for raising voltage by sequentially transferring charges from input terminals of booster units to output terminals thereof in response to clock signals having different phases
09/02/2003US6614674 Regulator circuit for independent adjustment of pumps in multiple modes of operation
09/02/2003US6614403 Radiation synthesizer receive and transmit systems
09/02/2003US6614270 Potential detecting circuit having wide operating margin and semiconductor device including the same
09/02/2003US6614210 Variable voltage source for a flash device operating from a power-supply-in-package (PSIP)
09/02/2003US6614208 Soft switching DC-to-DC converter and controlling method thereof
09/02/2003US6614136 Voltage regulation system having an inductive current sensing element
09/02/2003US6614133 Power system with plural parallel power supplies with at least one power supply in standby mode for energy efficiency
09/02/2003US6614131 Power supply with magnetic reset of saturable amplifier
08/2003
08/28/2003WO2003071849A1 Device for detecting presence of plural kinds of elements
08/28/2003WO2003071792A1 Power supply unit comprising a switched-mode power supply
08/28/2003WO2003071667A1 N-phase integrated buck converter
08/28/2003WO2003071666A1 Switching power source apparatus
08/28/2003WO2003071651A2 Hybrid power supply
08/28/2003WO2003071373A1 Voltage generation circuit
08/28/2003US20030161190 Semiconductor memory device, and method of controlling the same
08/28/2003US20030161169 Single-stage converter compensating power factor
08/28/2003US20030161167 Interleaved converter power factor correction method and apparatus
08/28/2003US20030161111 Heat dissipation structure for use in combination with electronic circuit board
08/28/2003US20030161083 Method for protecting a dc generator against overvoltage
08/28/2003US20030160648 Charge pump circuit without body effects
08/28/2003US20030160598 Switching power supply control circuit and switching power supply using same
08/28/2003US20030160597 Variable switching frequency voltage regulator to optimize power loss
08/28/2003US20030160596 Logic controlled high voltage resonant switching power supply
08/28/2003US20030160575 DC output regulator using dual pulse modulation
08/27/2003EP1338874A1 Remaining lifetime estimating method, temperature detection structure and electronic equipment
08/27/2003EP1338082A1 Power converter
08/27/2003EP1338081A2 Charge pump power supply
08/27/2003EP1338080A2 Voltage clamping system and method for a dc/dc power converter
08/27/2003EP1338079A2 Multiple valley controller for switching circuit
08/27/2003EP1338071A1 Method and device for non-contact energy transmission
08/27/2003CN2569436Y Electric energy recovery device for accumulator
08/27/2003CN2569435Y High power high voltage DC static power source device
08/27/2003CN1438759A Switch power-supply circuit
08/27/2003CN1119852C Output voltage controlling circuit in a negative charge pump
08/27/2003CN1119851C Multi-deck power converter module
08/26/2003US6611444 Zero voltage switching DC-DC converter
08/26/2003US6611443 High voltage converter system
08/26/2003US6611439 PWM controller for controlling output power limit of a power supply
08/26/2003US6611436 Switching power supply unit having a regulator circuit and electronic apparatus using the same
08/26/2003US6611187 Magnetic core, coil assembly and power supply circuit using the same
08/26/2003US6611166 Charge pump load determination circuit
08/26/2003US6611132 DC-DC converter, power supply circuit, method for controlling DC-DC converter, and method for controlling power supply circuit
08/26/2003US6611131 Cancellation of slope compensation effect on current limit
08/26/2003US6611130 Zero voltage, zero current switching power factor correction converter with low conduction loss and low switching loss
08/26/2003CA2318629C Dc/dc converter for a fuel cell providing both a primary and auxiliary output voltage
08/21/2003WO2003069767A1 Noise reduction in a power converter
08/21/2003WO2003034383A3 Drive circuit for adaptive control of precharge current and method therefor
08/21/2003WO2002061914A3 Battery-operated power supply
08/21/2003US20030156439 Drive circuit
08/21/2003US20030156438 Soft start circuit for regulated power supply
08/21/2003US20030156437 Building block for series connection in high power converter
08/21/2003US20030156435 Arc-machining power supply with switching loss reducing element
08/21/2003US20030156434 Power supply apparatus
08/21/2003US20030156433 Circuit configuration for producing a switching signal for a current-controlled switch-mode power supply
08/21/2003US20030156365 Method for recognition and/or limiting the short-circuit state of a switching converter and switching converter
08/21/2003US20030156101 Adaptive control boost current method and apparatus
08/21/2003US20030155963 Charge pump circuit with voltage multiplier for boosting clock signal and method thereof
08/21/2003US20030155962 Semiconductor device
08/21/2003US20030155901 Switching power supply circuit
08/21/2003US20030155900 Timer circuit and battery protection circuit using same
08/21/2003US20030155899 Power regulation and thermal management circuit and method
08/21/2003US20030155898 N-phase integrated buck converter
08/21/2003US20030155895 Filtering circuit and battery protection circuit using same
08/21/2003US20030155894 DC to DC converter with tapped inductor
08/21/2003US20030155887 Hybrid power supply
08/21/2003US20030155614 Charge pump device; multilayer silicone stack
08/20/2003EP1337033A2 Arc-machining power supply with switching loss reducing element
08/20/2003EP1337032A1 Noise reduction in a power converter
08/20/2003EP1337031A2 Circuit for controlling inductive loads
08/20/2003EP1336239A2 Leakage energy recovering system and method for flyback converter
08/20/2003EP1336238A2 Interleaved power converters incorporating bang-bang control
08/20/2003CN2567864Y ZVS-ZCS FB PWM convertor
08/20/2003CN1437311A DC voltage-stablized source apparatus
08/20/2003CN1118923C Circuit and method for generating voltage
08/19/2003US6608769 Switched mode power supply with a device for limiting the output voltage
08/19/2003US6608768 Use of a rectified image voltage for controlling the switch on the primary side of a switched-mode power supply
08/19/2003US6608767 Apparatus and method for soft switching of parallel switch assemblies
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