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)
03/2003
03/12/2003EP1292005A2 Voltage converter
03/12/2003EP1291087A2 Current control of a power supply for an ionizer
03/12/2003EP1290793A2 Bi-directional current source
03/12/2003EP1290779A1 Switching power supply
03/12/2003EP1290778A1 Resonant switching power supply circuit with voltage doubler output
03/12/2003EP1290777A2 Switching transformer
03/12/2003EP1290776A1 Ac-dc converter
03/12/2003EP1290537A2 Power sequencer control circuit
03/12/2003EP1290522A1 Inductor current synthesizer for switching power supplies
03/12/2003EP1205021B1 Method for controlling a switched-mode power supply and a switched-mode power supply
03/12/2003CN1402902A Forward converter circuit having reduced switching losses
03/12/2003CN1402430A Pulse area modulation digital power processing method and device
03/12/2003CN1402420A 开关电源 Switching Power Supply
03/12/2003CN1402419A Electroplating supply unit
03/12/2003CN1402418A Method and device for generating driving power supply
03/12/2003CN1402416A Zero-voltage converting digital power converter
03/12/2003CN1401553A 电梯控制装置 Elevator control device
03/12/2003CN1103133C Turbo generator plant
03/11/2003US6532160 Switching power supply
03/11/2003US6532159 Switching power supply unit
03/11/2003US6531998 Haptic feedback gaming device with integral power supply
03/11/2003US6531922 DC-coupling approach for current mode circuits
03/11/2003US6531912 High voltage generating circuit improved in parasitic capacitance of voltage-dividing resistance
03/11/2003US6531902 Line driver operative from a single supply and method for supplying voltages to a load
03/11/2003US6531853 DC-DC converter
03/11/2003US6531852 Device and method for generating a high voltage
03/11/2003US6531792 DC-DC converter and storage apparatus
03/06/2003WO2003019986A2 Direct current supply device for arc furnace
03/06/2003WO2003019761A1 Method and circuit for reducing losses in dc-dc converters
03/06/2003WO2003003554A8 Current mode controlled switched mode power supply
03/06/2003WO2002075683A8 Control transducer and method for controlling a switch in a control transducer
03/06/2003US20030043602 Switching power supply
03/06/2003US20030043601 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
03/06/2003US20030043600 Soft-switching power supply
03/06/2003US20030043599 DC-DC converter and regulation method for this
03/06/2003US20030043597 Bi-directional DC power conversion system
03/06/2003US20030043529 Current control of a power supply for an ionizer
03/06/2003US20030042938 Equivalent shottky or emanuil shvarts diode (ESD)
03/06/2003US20030042881 Programmable power supply
03/06/2003US20030042880 DC-DC converter
03/06/2003US20030042879 Switched-mode power supply supporting burst-mode operation
03/06/2003US20030042878 Voltage regulator module for micro processor and cpo using a super capacitor
03/06/2003US20030042797 Circuit for the generation of electric power induced to bear opposite polarity in the pulsating power supply
03/06/2003US20030042485 Semiconductor integrated circuit device capable of tuning of internal power supply voltages generated by a plurality of internal power generating circuits
03/06/2003US20030042437 Switching power supply circuit using a silicon based LED for feedback
03/05/2003EP1289110A1 Switching power supply
03/05/2003EP1289109A2 Soft-switching power supply
03/05/2003EP1289107A2 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
03/05/2003EP1289106A1 DC-DC converter
03/05/2003EP1287607A1 Reduced load switching device and method
03/05/2003EP1287606A1 Voltage transformer
03/05/2003EP1287605A1 Buffer circuit
03/05/2003EP1287604A2 Method and device for decreasing the voltage over a dissipation-type voltage regulator
03/05/2003EP1151366A4 A scaleable charge pump for use with a low voltage power supply
03/05/2003CN2539343Y High-power dc proportional power
03/05/2003CN1401154A Preconditioner
03/05/2003CN1400730A Complementary drive circuit
03/05/2003CN1400729A Swikching power source unit
03/05/2003CN1400728A Three-level passive flexible switch D.C. Transformer circuit
03/04/2003US6529392 Switching power supply unit
03/04/2003US6529391 Switching power supply
03/04/2003US6529390 Switching power supply circuit
03/04/2003US6529389 Universal input miniature power supply with a single split transformer primary winding
03/04/2003US6529388 High voltage generating apparatus for use in toner system printing device
03/04/2003US6529387 Unified power architecture
03/04/2003US6528976 Fet sensing programmable active droop for power supplies
02/2003
02/27/2003WO2003017455A2 Thermally compensated current sensing of intrinsic power converter elements
02/27/2003WO2003017454A1 Thermal compensation method and device for circuits with temperature-dependent current sensing elements
02/27/2003WO2003015973A1 Electric arc welder for variable ac input
02/27/2003US20030039164 Intermediate boosted array voltage
02/27/2003US20030039133 Rectifying circuit and switching power supply device having the same
02/27/2003US20030039130 Alternator system
02/27/2003US20030039129 Switching power supply
02/27/2003US20030039128 Clamped-inductance power converter apparatus with transient current limiting capability and operating methods therefor
02/27/2003US20030039127 Thermal compensation method and device for circuits with temperature-dependent current sensing elements
02/27/2003US20030039092 Dc-dc step-down converter with an electric double-layer capacitor
02/27/2003US20030038670 Gate enhanced tri-channel positive charge pump
02/27/2003US20030038669 Charge pump with controlled charge current
02/27/2003US20030038667 Potential detector and semiconductor integrated circuit
02/27/2003US20030038615 Method and circuit for reducing losses in DC-DC converters
02/27/2003US20030038614 Thermally compensated current sensing of intrinsic power converter elements
02/27/2003US20030038612 High voltage battery charger
02/27/2003US20030037435 Methods for trimming electrical parameters in an electrical circuit
02/26/2003EP1286573A2 Discharge lamp ballast circuit
02/26/2003EP1286461A2 Tracking power supply for multi-channel audio amplifiers
02/26/2003EP1286454A2 Switch mode power supply and amplifier
02/26/2003EP1285488A2 Universal input to dc output conversion circuitry
02/26/2003EP1284837A2 Arc welding generator with input voltage adapting regulator stage
02/26/2003EP1121750B1 Switching arrangement and switch component for a dc-dc converter
02/26/2003CN1399811A Method and apparatus for reducing stress across capacitors used in integrated circuits
02/26/2003CN1399278A Step-up circuit capable of converting between conventional mode and low current consumption mode
02/25/2003US6526233 Circuit for a photographic flash
02/25/2003US6525996 Power feeding apparatus, power receiving apparatus, power transfer system, power transfer method, portable apparatus, and timepiece
02/25/2003US6525949 Charge pump circuit
02/25/2003US6525948 Apparatus and method for the detection of circuit irregularities and for circuit protection of a power supply
02/25/2003US6525947 Power supply apparatus and power supply system
02/25/2003US6525946 Switching power supply unit, and electronic apparatus incorporating the same
02/25/2003US6525614 Voltage boost system having feedback control
02/25/2003US6525595 Booster, IC card having the same, and electronic equipment having the same
02/25/2003US6525516 Switching regulator with capacitance near load
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