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)
11/1999
11/24/1999EP0958648A1 Switched-mode power supply with current and voltage limitation
11/24/1999EP0712547B1 Power supply with improved efficiency, transmitter comprising such a power supply
11/24/1999CN1236501A A switch-mode power supply control circuit
11/24/1999CN1236500A A forward converter with an inductor coupled to a transformer winding
11/24/1999CN1236217A Power supply apparatus and method for mobile communication terminal
11/23/1999US5991180 Auxiliary open circuit voltage power supply
11/23/1999US5991174 Snubber circuit for a rectifier, method of operation thereof and power converter employing the same
11/23/1999US5991172 AC/DC flyback converter with improved power factor and reduced switching loss
11/23/1999US5991171 DC-to-DC converters
11/23/1999US5991170 Equipment and method for transmitting electric power
11/23/1999US5991168 Transient response network, method of diverting energy in a multiple output power converter and a power converter employing the same
11/23/1999US5991167 DC to DC power converter including synchronous output rectifier circuit
11/23/1999US5991166 Switching power supply
11/23/1999US5990783 Ozone/supersonic wave insect expelling device
11/23/1999US5990670 Power convertor, an integrated, and a telecommunication device
11/23/1999US5990668 A.C. power supply having combined regulator and pulsing circuits
11/23/1999CA2182929C Power controlling unit for a trolley pole switch controller
11/23/1999CA2173641C Switched-inverter modulator
11/18/1999WO1999059171A1 The method of obtaining the adjustable capacitor
11/18/1999WO1999059040A1 Dynamic set point switching
11/18/1999WO1999030407A9 Method and circuit for detection of primary switches status in isolated dc/dc converters
11/18/1999DE19908512A1 Steuereinrichtung für das Zuführen zerhackter elektrischer Leistung Control means for supplying electric power chopped
11/17/1999EP0957568A2 Current resonance type switching power source
11/16/1999US5987615 Programmable load transient compensator for reducing the transient response time to a load capable of operating at multiple power consumption levels
11/16/1999US5986947 Charge pump circuits having floating wells
11/16/1999US5986912 Compact assembly configuration and process for reducing lead wire connections and solder joints
11/16/1999US5986911 Secondary side post regulator and multiple output power supply employing the same
11/16/1999US5986905 Voltage clamp
11/16/1999US5986904 Self-regulating lossless snubber circuit
11/16/1999US5986902 Integrated protection circuit, method of providing current-limiting and short-circuit protection and converter employing the same
11/16/1999US5986899 Single ended forward DC-to-DC converter providing enhanced resetting for synchronous rectification
11/16/1999US5986898 Switched-mode power supply with power factor correction
11/16/1999US5986897 Switched-mode power supply having a circuit arrangement for turning the switching device when a voltage on the switching device is at a minimum
11/16/1999US5986895 Adaptive pulse width modulated resonant Class-D converter
11/16/1999US5986649 Power circuit, liquid crystal display device, and electronic equipment
11/16/1999US5986436 Electric power recovering system
11/11/1999WO1999057799A1 A continuous mode flyback converter
11/10/1999EP0955719A2 Boost converter having reduced output voltage and method of operation thereof
11/10/1999EP0955718A1 Switched-mode voltage converter
11/10/1999EP0954899A2 High efficiency power converter
11/10/1999EP0954897A1 A method and device for power conversion
11/10/1999EP0954896A1 Circuit for generating negative voltages
11/10/1999EP0954870A1 High power drive from ac and dc sources using cryoelectronics
11/10/1999CN1234645A Current-resonance type switch power-supply
11/10/1999CN1234644A Booster converter with reduced out-put voltage and operation method therefor
11/10/1999CN1234643A Power-supply apparatus
11/09/1999US5982649 Power supply circuit for a control circuit
11/09/1999US5982647 Contactless integrated circuit comprising a charge pump
11/09/1999US5982645 Power conversion and distribution system
11/09/1999US5982644 Voltage boost circuit for a high voltage converter
11/09/1999US5982643 Power converter with selectively variable output and controller and display system therefor
11/09/1999US5982642 Pulsed power supply of switched-mode power supplies
11/09/1999US5982640 Arrangement for reducing the effects of capacitive coupling in a control circuit for a switched-mode power supply
11/09/1999US5982639 Two switch off-line switching converter
11/09/1999US5982604 Power supply apparatus for electronic control unit in automotive vehicle
11/09/1999US5982263 Higher frequency switch mode transformer
11/09/1999US5982224 Low-power charge pump circuit having reduced body effect
11/09/1999US5982223 Charge pump system with improved programming current distribution
11/09/1999US5982162 Internal voltage generation circuit that down-converts external power supply voltage and semiconductor device generating internal power supply voltage on the basis of reference voltage
11/09/1999US5982161 Voltage regulator having variable frequency-based control
11/09/1999US5982160 DC-to-DC converter with inductor current sensing and related methods
11/09/1999US5982157 Chopper-amplifier for the voltage of a photovoltaic power source, in particular for a timepiece
11/09/1999US5982156 Feed-forward control of aircraft bus dc boost converter
11/09/1999US5980267 Connector scheme for a power pod power delivery system
11/09/1999US5980095 Plant for transmitting electric power
11/04/1999WO1999056384A1 A topology circuit of a soft switch
11/04/1999WO1999056383A1 Combined capacitive up/down converter
11/04/1999WO1999056356A1 Magnetic modulator voltage and temperature timing compensation circuit
11/04/1999CA2267723A1 Boost converter having reduced output voltage and method of operation thereof
11/03/1999EP0954089A2 Resonance type switching power source
11/03/1999EP0954088A1 Switched converter with multiple regulated outputs
11/03/1999EP0812488B1 Integrated driver for half-bridge circuit
11/03/1999EP0784811A4 An improved variable-voltage cpu voltage regulator
11/03/1999CN1234143A Control apparatus with reduced quiescenet current
11/03/1999CN1233838A Boosting circuit with boosted voltage limited
11/02/1999US5978283 Charge pump circuits
11/02/1999US5978244 Programmable logic control system for a HVDC power supply
11/02/1999US5978242 AC/DC converter
11/02/1999US5978239 Arrangement and method in a telecommunication system for optical voltage multiplicationing in an integrated circuit
11/02/1999US5978238 Active clamp for buck-based converter and method of operation thereof
11/02/1999US5978236 Uninterruptible power supply with direction of DC electrical energy depending on predetermined ratio
11/02/1999US5978235 Primary adjusted switched-mode power supply
11/02/1999US5978234 Power supply device using a resonance between a leakage component and a resonance capacitor to reduce loss
11/02/1999US5977816 Positive charge pumping circuit
11/02/1999US5977754 Offset resonance zero volt switching boost converter
11/02/1999US5977753 Buck regulator with plural outputs
11/02/1999US5977749 Battery recharging circuit triggered in response to current and voltage control signal
11/02/1999US5977530 Switching power supply for high frequency heating apparatus
10/1999
10/28/1999WO1999054937A1 Method of designing power supply circuit and semiconductor chip
10/28/1999DE19818465A1 Schaltungsanordnung für eine Ladungspumpe und Spannungsreglerschaltung mit einer derartigen Schaltungsanordnung Circuit arrangement for a charge pump and voltage regulator circuit with such a circuit arrangement
10/28/1999DE19805927A1 Schaltnetzteil Switching power supply
10/27/1999EP0952662A2 Booster circuit
10/27/1999EP0952661A2 Circuit for a charge pump and voltage regulator with such a circuit
10/27/1999EP0952588A2 Boosting circuit with boosted voltage limited
10/27/1999EP0951720A1 Programming voltage protection in non-volatile memory system
10/27/1999EP0901699A4 Uninterruptible power supply
10/27/1999EP0872014B1 Vehicle electrical system
10/27/1999EP0721691B1 System and method for dual mode dc-dc power conversion
10/27/1999CN1233058A Booster circuit
10/26/1999US5973979 Low supply voltage negative charge pump
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