Patents for H02M 1 - Details of apparatus for conversion (33,954)
12/2004
12/16/2004US20040252528 Switching power source device
12/16/2004US20040252435 Drive circuit for switching device
12/16/2004US20040252432 Protection circuit for power management semiconductor devices and power converter having the protection circuit
12/16/2004US20040252430 Power semiconductor device
12/16/2004US20040252422 Selective potting for controlled failure and electronic devices employing the same
12/16/2004US20040251884 High efficiency off-line linear power supply
12/16/2004US20040251883 Apparatus for controlling voltage sequencing for a power supply having multiple switching regulators
12/16/2004US20040251745 Power switching system
12/16/2004DE19542343B4 Schaltnetzteil mit Strombegrenzung Switching power supply with current limiting
12/16/2004DE102004022136A1 Soft-switch power converter e.g. with soft-switch boost circuit, includes rectifier coupled to storage inductor and active snubber to transfer energy to output terminal
12/16/2004CA2528414A1 Electrophoretic dipping system
12/15/2004EP1487092A1 Power switching system
12/15/2004EP1485983A1 Apparatus and method for filtering voltage for an electrostatic precipitator
12/15/2004EP1485982A2 Circuit used for power factor correction
12/15/2004CN2664278Y DC/DC power supply module having under-voltage and current-limiting protection
12/15/2004CN2664277Y A noise-proof device for DC motor
12/15/2004CN1555126A Passive soft switch method suitable for multiple tube converter
12/15/2004CN1555125A Harmonic current suppressor
12/15/2004CN1555124A Three phase power factor correction electric energy converter
12/15/2004CN1555123A Single harmonic current suppressor
12/15/2004CN1555122A Single harmonic current suppressor
12/15/2004CN1180526C Pulsewidth modulation power transformer
12/14/2004US6831848 Programmable power supply to simultaneously power a plurality of electronic devices
12/14/2004US6831426 Electronic device, or dimmer, for regulating the power supply applied to a load
12/14/2004US6831422 Operating circuit with an improved power supply for a driver circuit
12/14/2004CA2368598C Switching power supply circuit
12/14/2004CA2354454C Pulse width modulation control circuit for a high frequency series resonant ac/dc converter
12/09/2004WO2004107550A1 Temperature monitoring of parallel-connected inverter modules
12/09/2004WO2004107546A1 Power factor correction circuit and method of varying switching frequency
12/09/2004WO2004107545A1 Circuit arrangement
12/09/2004US20040246755 Power supply apparatus for arc-utilizing apparatus
12/09/2004US20040246751 Active EMI filter having no inductive current sensing device
12/09/2004US20040246662 Power module package for high frequency switching system
12/09/2004US20040246042 [balance apparatus for line input capacitors ]
12/09/2004US20040245961 Motor driving apparatus
12/09/2004DE102004022800A1 MOSFET-Gate-Treiberschaltung MOSFET gate driver circuit
12/08/2004EP1484833A2 Method and apparatus to reduce distortion of currents feeding an AC/DC rectifier system
12/08/2004EP1483833A2 Three-terminal, low voltage pulse width modulation controller ic
12/08/2004EP1483824A2 Method of operating a switched-mode power supply and switched-mode power supply
12/08/2004EP1483823A2 Power-supply unit for electronic oven
12/08/2004CN2662599Y Power supply provider with external hanging fan module
12/08/2004CN2662597Y Grounding positioning structure of power supply provider
12/08/2004CN2662594Y Circuit preventing electromagnetic noise signal
12/08/2004CN2662522Y Cooler for electromotive sedan driving motor and variable-frequency speed regulator
12/08/2004CN2662457Y A polymer electric core
12/08/2004CN1553572A Electromagnetic interference preventing circuit of pluse buffer and method thereof
12/08/2004CN1553559A Power-limiting variable-voltage power supply
12/08/2004CN1553557A Power factor correcting circuit and method with frequency control
12/08/2004CN1179471C Switching regulator capable of increasing regulator efficiency under light load
12/07/2004US6829152 Load drive circuit using flywheel diode
12/07/2004US6828850 Method and system for charge pump active gate drive
12/02/2004WO2004105222A1 Pulse generator
12/02/2004US20040240242 Integrated power supply apparatus for information appliances
12/02/2004US20040240240 Converter and a method for controlling a converter
12/02/2004US20040240239 Apparatus for protecting boost converter in abnormal operation
12/02/2004US20040240238 Active voltage positioning implementation for microprocessor power supplies or the like
12/02/2004US20040240236 Common mode noise cancellation circuit
12/02/2004US20040239401 Zero-voltage-switching full-bridge converter
12/02/2004US20040239300 Energy saving discontinuous mode system and method
12/02/2004US20040239296 Controlled frequency power factor correction circuit and method
12/02/2004DE10319207A1 Netzpulsstromrichter Voltage source convertors
12/01/2004EP1481466A1 Ac-dc converter with low ripple output
12/01/2004EP1481464A1 H-bridge with single lead frame
12/01/2004EP1138177B1 Modular master-slave power supply controller
12/01/2004CN2660780Y 电子变压器 Electronic Transformer
12/01/2004CN2660779Y Substrate type constant steady d.c. power supply module
12/01/2004CN1551476A Motor power supply
12/01/2004CN1551475A Power supply system and air conditioning device
12/01/2004CN1551474A 电源 Power supply
12/01/2004CN1551473A Fault protected self-oscillating driver
12/01/2004CN1551472A Ac/dc flyback converter
12/01/2004CN1178372C Switch power source
11/2004
11/30/2004US6826062 Method and apparatus for overload-controlling inverter power generation apparatus
11/30/2004US6826060 Power supply apparatus
11/30/2004US6825643 Power converter module with an electromagnetically coupled inductor for switch control of a rectifier
11/25/2004WO2004082110A3 Programmable peripheral power hub module
11/25/2004US20040233689 DC/DC converter with voltage clamp circuit
11/25/2004US20040233682 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
11/25/2004US20040232971 Electrically insulated switching element drive circuit
11/25/2004US20040232903 L-D snubber for different type PFC circuit
11/25/2004US20040232897 Power converter
11/24/2004EP1480334A2 Method and apparatus for extending the size of a transistor beyond one integrated circuit
11/24/2004EP1479558A1 Traction converter circuit for coupling to a electrical supply network
11/24/2004EP1478991A2 Power supply rejection circuit for capacitively-stored reference voltages
11/24/2004CN2659020Y Local pulse control device
11/24/2004CN1550066A Half-bridge circuit
11/24/2004CN1177402C Synchronous rectifying drive circuit and method of DC/DC converter
11/23/2004US6822427 Circuits and circuit elements for high efficiency power conversion
11/18/2004US20040230847 Power converter architecture employing at least one capacitor across a DC bus
11/18/2004US20040228152 Soft start precharge circuit for DC power supply
11/18/2004US20040228057 Overcurrent limit circuit
11/18/2004US20040227561 Method and apparatus for extending the size of a transistor beyond one integrated circuit
11/18/2004US20040227476 Flexible inverter power module for motor drives
11/18/2004US20040227193 Mosfet gate driver with a negative gate bias voltage
11/17/2004EP1478218A2 Base assembly for drive controller
11/17/2004EP1478077A1 Uninterrupted power supply and the method for driving its converters
11/17/2004EP1478076A1 Power factor correcting circuit for uninterrupted power supply
11/17/2004EP1352464B1 Preconditioner
11/17/2004EP1275195B1 On chip current source
11/17/2004CN1547798A Power supply with a reduced harmonic load on the mains system, and a corresponding appliance