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
09/25/2003US20030178643 Semiconductor device including a voltage monitoring circuit
09/24/2003EP1347563A2 High-frequency pwm voltage control
09/24/2003EP1347562A2 Method for controlling or regulating current flow through an inductive load
09/24/2003EP1347359A2 Power supply unit
09/24/2003EP1346459A2 Switched mode circuit topologies
09/24/2003EP1113900B1 Generator for arc welding machines
09/24/2003CN1444332A Single-stage converter of inverter for LCD backlight
09/24/2003CN1444286A Charge transfer device
09/24/2003CN1122354C Method and arrangement in DC to DC converter
09/24/2003CN1122353C 开关变换器 Switching Converters
09/23/2003US6625046 Power convertor with low loss switching
09/23/2003US6625043 Power supply unit and driving method thereof
09/23/2003US6625042 Power supply arrangement comprising a DC/DC converter with primary-side control loop
09/23/2003US6624619 Stabilized power unit
09/23/2003US6624613 Power supply apparatus with chargeable battery and charge/discharge method
09/23/2003CA2063637C Galvanic isolation device for continuous electrical signals or signals which may contain a continuous element
09/18/2003WO2003055051A3 A forward converter with controlled reset
09/18/2003WO2002023694A3 Power factor correction control circuit and power supply including same
09/18/2003US20030174528 Three-terminal, low voltage pulse width modulation controller ic
09/18/2003US20030174525 Quasi-synchronous, magnetic amplifier regulated dc-dc converter
09/18/2003US20030174524 Charge pump having very low voltage ripp le
09/18/2003US20030174522 Method and apparatus for reduction of energy loss due to body diode conduction in synchronous rectifiers
09/18/2003US20030174520 Self-oscillating control circuit voltage converter
09/18/2003US20030174465 Power supply unit
09/18/2003US20030174013 Circuit for providing multiple voltage signals
09/18/2003US20030174010 Integrated charge pump voltage booster
09/18/2003US20030174005 Cmos digital pulse width modulation controller
09/18/2003US20030173996 Charge transformer and method of implementation
09/18/2003US20030173941 DC-to-DC converter with fast override feedback control and assocated methods
09/18/2003US20030173940 DC to DC voltage converter
09/18/2003US20030173937 Switching power supply control circuit and switching power supply using same
09/18/2003US20030173922 D.c. motor bridge coil driver
09/18/2003US20030173909 Power supply apparatus for light source
09/18/2003US20030173904 Matrix element precharge voltage adjusting apparatus and method
09/18/2003US20030173609 Charge pump device
09/18/2003US20030173594 Voltage converter having switching element with variable substrate potential
09/18/2003DE20307787U1 Electronic transformer for low voltage halogen lamps has additional connection to bypass the house oscillating circuit
09/17/2003EP1345237A2 High voltage generation and regulation system for digital multilevel nonvolatile memory
09/17/2003EP1344317A1 Control circuit
09/17/2003EP1344303A1 Circuit arrangement comprising a power supply unit
09/17/2003CN2574296Y Switch power supply circuit unit convenient to implement standly-by state for set-top box
09/17/2003CN1443393A Fully digital voltage transformer
09/17/2003CN1442947A D.C. Voltage conversion electric appliance
09/17/2003CN1121752C Power supply devie with elastically adjustable DC output voltage
09/17/2003CN1121751C Current type chopper with self excited thyristor
09/16/2003US6621720 Voltage production circuit
09/16/2003US6621718 Resonant converter circuit
09/16/2003US6621326 P-channel negative pumps
09/16/2003US6621309 Drive circuit
09/16/2003US6621257 DC-DC converter
09/16/2003US6621256 DC to DC converter method and circuitry
09/12/2003WO2003075444A1 Ac-dc converter with low ripple output
09/12/2003WO2003075443A1 Flip-flop based self-oscillating power supply
09/12/2003WO2003075442A1 Switched-mode power supply, particularly for medical devices
09/12/2003WO2003044936A3 Dc-to-dc converters
09/12/2003WO2003009455A3 Circuit breaker
09/11/2003US20030169606 Start-up circuit for switched mode power supply
09/11/2003US20030169604 Single stage converter in LCD backlight inverter
09/11/2003US20030169358 Change transfer device
09/11/2003US20030169107 Method and system for proportional plus integral loop compensation using a hybrid of switched capacitor and linear amplifiers
09/11/2003US20030169097 Charge pump regulator with load current control
09/11/2003US20030169028 Pulse width modulated power conversion apparatus and methods using capacitor-charge feedback
09/11/2003US20030169027 Switched- mode power supply
09/11/2003US20030169026 PWM switching regulator and electronic apparatus
09/11/2003US20030169024 Low frequency switching voltage pre-regulator
09/11/2003US20030168986 Multiple stage depressed collector (MSDC) klystron based amplifier for ground based satellite and terrestrial communications
09/11/2003US20030168917 Dual input AC/DC power converter having a programmable peripheral power hub module
09/10/2003EP1343245A2 Power supply device for an inductive load, in particular for an electromedical device for generating electromagnetic fields
09/10/2003EP1342310A2 Method for supplying an inductive load with soft-switching inverters which are connected in parallel
09/10/2003EP1342309A1 Switched mode power supply
09/10/2003EP1342308A2 Boost doubler circuit
09/10/2003EP1342305A2 Modularized power supply
09/10/2003EP1342227A1 Energy recovering circuit with boosting voltage-up and energy efficient method using the same
09/10/2003CN2572661Y High-capacity cell for mobile telephone set
09/10/2003CN2572660Y DC-DC power source transformer
09/10/2003CN1441992A Method for recognition and/or limiting short-circuit state of switching converter and switching converter
09/10/2003CN1441991A Switched mode power supply comprising function for recognition of broken feedback loop
09/10/2003CN1441540A Switch power control circuit and switch power using switch power control circuit
09/10/2003CN1121088C Single-phase power factor correcting step-up converter
09/10/2003CN1121087C Auxiliary step-uppower source
09/09/2003US6618296 Charge pump with controlled charge current
09/09/2003US6618274 Synchronous rectifier controller to eliminate reverse current flow in a DC/DC converter output
09/09/2003US6618235 Snubber circuit
09/09/2003US6617931 Two-stage amplifier
09/09/2003US6617916 Semiconductor integrated circuit
09/09/2003US6617898 Voltage conversion circuit and semiconductor integrated circuit device provided therewith
09/09/2003US6617834 Switched power supply with voltage regulator having PWM with hysteretic loop controller and method for operating and using same
09/09/2003US6617832 Low ripple scalable DC-to-DC converter circuit
09/09/2003US6617831 Electrical power supply converter
09/09/2003US6617828 Circuit assembly for doubling the voltage of a battery
09/09/2003US6617800 Plasma display apparatus
09/09/2003US6617796 Pumping circuit and flat panel display device
09/09/2003US6617710 Control circuit for use with switch power converter
09/07/2003CA2375555A1 Charge transformer and method of implementation
09/04/2003WO2003073596A1 Integrated magnetic buck converter with magnetically coupled synchronously rectified mosfet gate drive
09/04/2003WO2003073594A2 Method of operating a switched-mode power supply and switched-mode power supply
09/04/2003WO2003073581A1 A power supply
09/04/2003WO2003032462A3 Replenishing power supply system
09/04/2003WO2002103887A3 Power converters
09/04/2003WO2002015387A3 Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
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