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)
04/2003
04/17/2003WO2003001655A3 A method for reducing mains harmonics and switching losses in discontinuous-mode, switching power converters
04/17/2003WO2002097957A3 Power supply system
04/17/2003US20030072583 Image forming apparatus having high-voltage power supply
04/17/2003US20030072170 Method and circuit for switching source modulation frequency
04/17/2003US20030071690 Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter
04/17/2003US20030071636 Method and apparatus for near losslessly measuring inductor current
04/17/2003US20030071602 Power supply apparatus
04/17/2003US20030071601 Power converter circuit having a pair of inversely coupled inductors
04/16/2003EP1303032A2 Control device for a resonant converter
04/16/2003EP1303031A2 Commutated electronic power converter
04/16/2003EP1301985A1 Method for recognition and/or limiting the short-circuit state of a switching converter and switching converter
04/16/2003EP1301984A1 Fully digital voltage transformer
04/16/2003CN1411131A Power transducer dynamic node electric potential balance common mode EMI inhibiting method
04/16/2003CN1411130A Switch power supply unit
04/16/2003CN1410813A Liquid crystal display
04/15/2003US6549441 Voltage switch-over device
04/15/2003US6549437 Voltage converter
04/15/2003US6549436 Integrated magnetic converter circuit and method with improved filtering
04/15/2003US6549432 Single-winding, multiple-output, bi-directional flyback converter
04/15/2003US6549431 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
04/15/2003US6549430 Switching power supply circuit having constant current circuit
04/15/2003US6549429 Switching-power supply unit for reducing power consumption in a stand-by-mode
04/15/2003US6549409 Power converter assembly
04/15/2003US6549386 Protection circuit for a switch, and a switched-mode power supply
04/15/2003US6548993 Power supply module having internal energy storage circuit for stable oscillation
04/15/2003US6548985 Multiple input single-stage inductive charger
04/10/2003WO2003030345A1 Power supply for sputtering
04/10/2003WO2003030344A1 Voltage converter
04/10/2003WO2003030343A2 High voltage generator incorporated in an integrated circuit
04/10/2003WO2003030218A2 Apparatus and method for turning off bjt used as controlled rectifier
04/10/2003WO2002080130A3 Sensor for connection to a bus and method for supplying energy to a sensor connected to a bus
04/10/2003US20030067795 Synchronous rectification for low voltage motor drive
04/10/2003US20030067794 Synchronous rectifier controller
04/10/2003US20030067791 Regulating device for a resonant converter
04/10/2003US20030067723 Apparatus and method of detecting ground fault in power conversion system
04/10/2003US20030067429 Liquid crystal display device
04/10/2003US20030067289 Power supply circuit and control method for the same
04/10/2003US20030067288 Circuit arrangement for regulating a voltage
04/10/2003US20030067286 Voltage converter
04/10/2003US20030067283 Regular circuit and control method thereof
04/10/2003US20030067278 Drive apparatus, control method for the drive apparatus, storage medium storing a program controlling the drive apparatus, and power output apparatus
04/10/2003US20030066555 Maximum power tracking technique for solar panels
04/10/2003CA2463065A1 Voltage converter
04/09/2003EP1300936A2 Drive apparatus, control method and program storage medium for the drive apparatus, and power output apparatus
04/09/2003EP1300934A1 Method and device for DC voltage transformation and use of the device
04/09/2003EP1299680A1 Temperature controller for a refrigerated vending machine
04/09/2003CN1409475A Converter circuit configuration and method for matching variable DC votlage
04/09/2003CN1409474A Switch power source device
04/09/2003CN1409473A Method for controlling DC-DC converter
04/09/2003CN1409472A Dc－dc转换器 Dc-dc converter
04/09/2003CN1409185A Booster-type switch regulator
04/09/2003CN1409063A Air conditioner controlier
04/08/2003US6546048 Pulse width modulation waveform generating circuit
04/08/2003US6545890 Flanged terminal pins for dc/dc converters
04/08/2003US6545884 Alternator system
04/08/2003US6545883 Integrated boost-asymmetrical half-bridge converter
04/08/2003US6545882 PWM controller having off-time modulation for power converter
04/08/2003US6545881 Method for regulating a switched-mode power supply and switched-mode power supply
04/08/2003US6545529 High voltage generating circuit
04/08/2003US6545525 Semiconductor device including interface circuit, logic circuit, and static memory array having transistors of various threshold voltages and being supplied with various supply voltages
04/08/2003US6545451 Load-dependent frequency modulation circuit and method for switching power system
04/08/2003US6545450 Multiple power converter system using combining transformers
04/03/2003WO2003028198A1 Device for measuring a chopped current
04/03/2003WO2003028197A2 Split topology power supply architecture
04/03/2003WO2003028196A2 Converter mounting
04/03/2003WO2003028187A1 Power supply apparatus
04/03/2003WO2003027791A1 Switching power supply
04/03/2003WO2003005544A3 A control circuit for an inductive device
04/03/2003WO2002093721A3 An active bleed voltage balancing circuit
04/03/2003WO2002007312A3 Power semiconductor switching devices, power converters, integrated circuit assemblies, integrated circuitry, power current switching methods, methods of forming a power semiconductor switching device, power conversion methods, power semiconductor switching device packaging methods, and methods of forming a power transistor
04/03/2003US20030063484 Apparatus and method for control and driving bjt used as synchronous rectifier
04/03/2003US20030063483 Apparatus and method for turning off bjt used as controlled rectifier
04/03/2003US20030063482 Apparatus and method for turning off bjt used as synchronous rectifier
04/03/2003US20030063480 Switching power supply capable of ac to dc conversion
04/03/2003US20030063479 Switching power supply capable of ac to dc conversion
04/03/2003US20030062948 Semiconductor integrated circuit
04/03/2003US20030062931 Apparatus and method for control and driving BJT used as controlled rectifier
04/03/2003US20030062880 Booster type switching regulator
04/03/2003US20030062879 Method and apparatus for reducing audio noise in a switching regulator
04/02/2003EP1298781A1 Power converter device and method for adjusting a variable DC voltage
04/02/2003EP1298780A1 X-ray generator and x-ray ct apparatus comprising the same
04/02/2003EP1298779A2 Switching power supply capable of AC to DC conversion
04/02/2003EP1298778A2 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply
04/02/2003EP1298777A1 High-efficiency regulated voltage-boosting device
04/02/2003EP1297614A1 Electronic transformer
04/02/2003EP1297613A1 Switched-mode power supply
04/02/2003EP1297612A4 Boost converter with reduced switching loss
04/02/2003EP1297612A1 Boost converter with reduced switching loss
04/02/2003EP1297611A2 Dc/dc converters
04/02/2003EP1266272A4 System and method for providing step-down power conversion using an intelligent switch
04/02/2003CN2543275Y Brushless DC machine power supply
04/02/2003CN1408140A Resonant gate drive for synchronous rectifiers
04/02/2003CN1407705A 开关电源电路 Switching power supply circuit
04/02/2003CN1407704A Rectifier circuit and switch power supply device therewith
04/02/2003CN1407703A 跟踪电源控制 Tracking Power Control
04/02/2003CN1407701A 开关电源装置 Switching power supply unit
04/02/2003CN1407700A Control circuit of voltage boosting switch regulator and voltage boosting switch
04/02/2003CN1407419A Compensating adjuster with reinforcing processing load current rapid attenuation ability
04/01/2003US6542408 Apparatus and method for programming voltage protection in a non-volatile memory system
04/01/2003US6542389 Voltage pump with switch-on control
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