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)
10/1995
10/10/1995US5457379 Power converter
10/05/1995DE4411227A1 Arc welding appts. with resonance switching circuit
10/05/1995DE4410211A1 Circuit for switchable load control-drive
10/05/1995DE19511242A1 Current supply e.g. for discharge lamp lighting control device
10/04/1995EP0675592A2 Oscillator circuit and method for producing a high voltage
10/04/1995EP0675588A2 Controlling the input current drawn by a switching power converter
10/04/1995EP0675587A1 Switched voltage converter
10/03/1995US5455758 Self-generating resonant power supply and method of producing power for transistor switching circuit
10/03/1995US5455757 Power converter having regeneration circuit for reducing oscillations
10/03/1995US5455503 Low power switching supply circuits and methods
10/03/1995US5455501 Multiple output DC-DC converter with different ranges of output assurance and capable of tolerating load transients
10/03/1995CA2030497C Flyback power converter
10/03/1995CA2017547C Vhf dc-dc power supply
09/1995
09/28/1995WO1995026077A1 Low loss integrated circuit with reduced clock swing
09/28/1995WO1995026071A1 Method and apparatus for providing an ultra low power regulated negative charge pump
09/27/1995EP0673560A1 Converter.
09/26/1995USRE35041 Inductance and capacitance charge pump circuit for driving power MOS transistor bridges
09/26/1995US5453923 AC current detector and power supply circuit
09/26/1995US5453921 Feedback limited duty cycle switched mode power supply
09/20/1995EP0673106A1 A circuit for achieving a higher power factor in a switched mode power supply
09/20/1995EP0672316A1 Automatic load current back regulation.
09/20/1995EP0672314A1 Electronic combinatorial circuit component for feeding an accumulator.
09/20/1995CN1108838A Voltage regulator for CRT electrode supply
09/19/1995US5452195 Start-up circuit for a switch mode power supply
09/19/1995US5452174 Power source circuit incorporating a protection device therein and a printer device employing the same
09/19/1995US5451962 Boost regulated capacitor multiplier for pulse load
09/19/1995CA2143371A1 Wide input power supply
09/14/1995WO1995024722A1 Fa connector and work pallet using it
09/14/1995DE4407709A1 Mains-fed circuit
09/13/1995EP0671867A2 Circuit for operating a discharge lamp
09/13/1995EP0671807A1 Switching power supply with transfer of information from the primary to the secondary side
09/13/1995EP0671078A1 Photoelectric switch
09/13/1995EP0656160A4 Cryogenic electronics power supply and power sink.
09/12/1995US5450307 Switching power source apparatus
09/12/1995US5450305 For generating a periodically varying magnetic field
09/12/1995US5450304 Single board engine controller power supply
09/12/1995US5450003 Power-supply control system for a portable data processor and method for driving the same
09/12/1995US5449993 Regenerative ac to dc converter
09/12/1995US5449989 Energy conversion system
09/12/1995US5449959 Solar battery control switch output voltage adjustment circuit
09/12/1995CA2013713C Oscillator circuit
09/08/1995WO1995024099A1 A low noise multi-output and multi-resonant forward converter for television power supplies
09/06/1995EP0670624A1 Switching power supply adapted for allowing reduced voltage commutations
09/06/1995EP0670236A1 Power supply device for train passenger coaches
09/06/1995EP0647370A4 Low line harmonic ac to dc power supply.
09/05/1995US5448469 Switch mode power supply with output feedback isolation
09/05/1995US5448467 Electrical power converter circuit
09/05/1995US5448466 Method for limiting the frequency of a voltage-controlled oscillator in a control circuit of a resonant converter switched-mode power supply, and control circuit for a resonant converter switched-mode power supply
09/05/1995US5448465 Switching power supply without switching induced spike voltages
09/05/1995CA2062698C High power-factor converter for motor drives and power supplies
08/1995
08/31/1995WO1995023452A1 Improved continuous flyback power converter
08/31/1995WO1995023451A1 Forward converter
08/31/1995DE19506587A1 Suppression of high harmonics in rectified AC
08/31/1995DE19506009A1 Single-ended flow inverter
08/31/1995DE19505462A1 Switching current supply
08/30/1995EP0669704A2 Switched-mode power supply for connection to a direct voltage source and for generating at least one regulated d.c. output voltage, and apparatus comprising such a switched-mode power supply
08/30/1995EP0669703A2 AC-DC converter
08/30/1995EP0669053A1 Active clamping circuit
08/30/1995CN1107622A Device for supplying a voltage to an electronic circuit in particular an electronic circuit associated with a current sensor disposed on an electrical line
08/29/1995US5446697 Semiconductor memory device
08/29/1995US5446644 DC voltage divider
08/29/1995US5446366 Boost converter power supply with reduced losses, control circuit and method therefor
08/29/1995CA2017062C Switching power supply apparatus and isolating method thereof
08/24/1995DE4405370A1 Power supply for small domestic electrical apparatus
08/23/1995EP0668654A2 A feedback loss protection in a power supply
08/23/1995EP0668597A1 High frequency switching voltage rectifier
08/22/1995US5444608 High frequency power distribution system
08/22/1995US5444594 Snubber energy recovery circuit for protecting switching devices from voltage and current
08/22/1995US5444412 Programming voltage regulation circuit for programmable memories
08/22/1995US5444310 Apparatus for operating discharge lamps
08/17/1995WO1995022193A1 Full wave buck boost power converter with buck power converter properties
08/17/1995WO1995022092A1 Boost converter power supply with reduced losses, control circuit and method therefor
08/16/1995EP0665994A4 Contactless power delivery system.
08/16/1995EP0589911B1 Switching regulator
08/16/1995CN2205606Y DC/DC mains changer
08/15/1995US5442540 Soft-switching PWM converters
08/15/1995US5442539 CuK DC-to-DC switching converter with input current shaping for unity power factor operation
08/15/1995US5442536 Low-loss power supply device comprising a DC/DC converter
08/15/1995US5442535 Method and apparatus for controlling an electromechanical load by least one pulse switch
08/15/1995US5442534 Isolated multiple output Cuk converter with primary input voltage regulation feedback loop decoupled from secondary load regulation loops
08/15/1995US5442317 Switching regulator and amplifier system
08/10/1995WO1995021486A1 Improved power converter with soft switching
08/10/1995WO1995021485A1 Power supply for private branch exchange
08/09/1995EP0666637A2 A switch mode power supply
08/09/1995EP0666571A1 Charge pump circuit
08/09/1995EP0665994A1 Contactless power delivery system
08/09/1995EP0589912B1 Switching regulator
08/09/1995CN1106594A Power apparatus
08/09/1995CN1106588A Whole bridge quasisqure wave soft switch converter
08/09/1995CN1106587A Power network adaptor for adjusting output
08/09/1995CN1106348A Power supply unit for electric motor vehicle
08/08/1995US5440475 Electronic Ballast with low harmonic distortion
08/08/1995US5440473 AC-DC converter
08/08/1995US5440472 Integrated magnetic power converter
08/08/1995US5440223 Switching power circuit with redundant structure
08/05/1995CA2140066A1 Method and apparatus to conceal rf interference in am radio reception caused by a switch mode power supply
08/02/1995EP0665634A1 Circuit arrangement with a field effect transistor
08/02/1995EP0665633A2 Power conversion
08/02/1995EP0665631A1 Intelligent transformerless system for transferring energy from a power source to an isolated load
08/02/1995EP0665630A2 Power factor correction precompensation circuit
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