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)
06/1999
06/15/1999US5912564 Voltage-boosting circuit with mode signal
06/15/1999US5912560 Charge pump circuit for voltage boosting in integrated semiconductor circuits
06/15/1999US5912552 Switching voltage regulator
06/15/1999CA2189721C Power selection and protection circuit for inverter power supply
06/10/1999WO1999013559A3 A dc/dc converter
06/10/1999DE19855615A1 Switched network supply device
06/10/1999DE19754239A1 Kondensatornetzteil Capacitive power supply
06/09/1999EP0921628A1 Device for converting an A.C. voltage into a D.C. voltage
06/09/1999EP0921627A2 High voltage charge pump using low voltage type transistors
06/09/1999EP0921626A2 Switching-type DC power source apparatus
06/09/1999EP0875063B1 Voltage multiplier
06/09/1999CN1219299A Step-up switching power supply
06/09/1999CN1219032A Producing negative voltage by using reference voltage
06/08/1999US5910891 For use in a display monitor
06/08/1999US5910887 Apparatus for controlling switching frequency of SMPS transformer for video display appliance
06/08/1999US5910886 Phase-shift power supply
06/03/1999WO1999027637A1 Power supply device
06/03/1999WO1999027415A1 Power source circuit having temperature compensating function and liquid crystal display device incorporating the same
06/02/1999EP0920118A2 Resonance power supply circuit
06/02/1999EP0920115A2 Flyback converter
06/02/1999EP0919080A1 Switched-mode power supply, an electric shaver, and a method of converting direct voltages
06/02/1999EP0777931A4 Phase controlled bridge
06/02/1999DE19752986A1 Monolithic integrated circuit for voltage pump circuit
06/02/1999DE19752985A1 Monolithic integrated circuit for charge pump circuit
06/01/1999US5909365 Leakage current power supply
06/01/1999US5909363 Initial drive voltage supply control circuit for switching mode power supply
06/01/1999US5909362 Resonant power converter
06/01/1999US5909361 Output voltage stabilizing circuit of a power factor correction circuit at an initial power-on stage
06/01/1999US5909141 Step-up potential supply circuit and semiconductor storage device
06/01/1999US5909111 Method and apparatus for controlling a current
06/01/1999US5909108 Current-sharing circuit for parallel-coupled switches and switch-mode power converter employing the same
06/01/1999US5909107 Step up switching power unit and filter circuit
06/01/1999US5909106 Control signal for a voltage generator for an LCD screen control circuit
06/01/1999CA2175800C Switch-mode power supply for a bridged linear amplifier
05/1999
05/26/1999EP0918393A2 Multiple output DC-to-DC converter having enhanced noise margin and related methods
05/26/1999CN1217603A Power supply having electricity-saving spare mode
05/25/1999US5907484 Charge pump
05/25/1999US5907482 Of a multi-channel type
05/25/1999US5907481 Double ended isolated D.C.--D.C. converter
05/25/1999US5907479 Integrated filter forward converters
05/25/1999US5907235 Method and apparatus for generating a supply voltage for a hearing device
05/25/1999US5907198 Trickle power supply
05/20/1999WO1999025062A1 Auto-ranging power supply
05/20/1999WO1999025060A1 Phase-shift power supply
05/20/1999WO1999025059A1 Dc-dc converters
05/19/1999EP0917281A2 Power supply with ecological stand by mode
05/19/1999EP0917280A1 Power supply with ecological stand by mode
05/19/1999EP0917163A2 Magnetic component assembly
05/19/1999CN1216876A Switching type power supply
05/18/1999US5905646 Power modulator
05/18/1999US5905491 Display monitor power supply apparatus with a power factor correction circuit
05/18/1999US5905404 Bootstrap clock generator
05/18/1999US5905402 Voltage pump circuit having an independent well-bias voltage
05/18/1999US5905400 Circuit configuration for generating a boosted output voltage
05/18/1999US5905371 For transferring energy from a power source to an output node
05/18/1999US5905370 Programmable step down DC-DC converter controller
05/18/1999US5905369 Variable frequency switching of synchronized interleaved switching converters
05/18/1999US5905368 Method and apparatus for enabling a step-up or step-down operation using a synchronous rectifier circuit
05/18/1999US5905360 Battery system and electric motor vehicle using the battery system with charge equalizing features
05/14/1999WO1999023749A1 Method of power supply for electronic systems and device therefor
05/14/1999WO1999023747A1 Double ended isolated d.c.-d.c. converter
05/14/1999WO1999023746A1 Constant current transformer
05/14/1999WO1999008372B1 Adaptative slope compensator for current mode power converter
05/14/1999CA2307575A1 Double ended isolated d.c.-d.c. converter
05/12/1999EP0915560A2 Method and device for controlling a power converter
05/12/1999EP0914707A1 Charge pump circuit architecture
05/12/1999EP0914706A1 Switched-mode power supply having an improved start-up circuit
05/12/1999EP0914705A2 Overvoltage protection circuit for smps based on demagnetization signal
05/12/1999EP0806078B1 Power-supply circuit
05/12/1999EP0806076B1 Power-supply circuit
05/12/1999CN2318752Y Miniature tunable electrostatic type high-voltage electric source
05/11/1999US5903452 Adaptive slope compensator for current mode power converters
05/11/1999US5903451 SMPS with a variable frequency start up circuit
05/11/1999US5903449 Bi-directional power control system for voltage converter
05/11/1999US5903448 Four quadrant flyback converter, method of operation thereof and power plant employing the same
05/11/1999US5903447 Current-mode control device and switching power supply employing same
05/11/1999US5903446 Direct current voltage converter with soft switching
05/11/1999US5903417 Self-excitation type switch power supply unit with overcurrent protection
05/11/1999US5903183 Constant voltage circuit and constant voltage/constant current changeover circuit
05/11/1999US5903145 Universal electronic energy meter for use with 4-wire standard services
05/11/1999US5903138 Two-stage switching regulator having low power modes responsive to load power consumption
05/10/1999CA2220747A1 Dc-dc converters
05/06/1999WO1998035433A9 Current converter and system
05/06/1999EP0913915A2 Switched-mode power supply
05/06/1999EP0913026A1 Single ended forward dc-to-dc converter providing enhanced resetting for synchronous rectification
05/06/1999EP0913025A1 Switched mode power supply system
05/06/1999EP0913024A1 Oscillator voltage regulator
05/06/1999EP0791239B1 Power supply apparatus with improved efficiency
05/05/1999CN1215901A Magnetic core for saturable reactor, multi-output switching regulator and computer having multi-output switching regulator
05/04/1999US5901176 To control power delivered to a load with reduced energy generation
05/04/1999US5901057 Uninterruptible power supply with fault tolerance in a high voltage environment
05/04/1999US5901055 Internal boosted voltage generator of semiconductor memory device
05/04/1999US5901054 Pulse-width-modulation control circuit
05/04/1999US5901052 Switched-mode power supply having a delay-insensitive timing in the control loop
05/04/1999US5901051 Switching power supply having current and voltage superimposition circuitry
05/04/1999US5900764 Efficient Vccp supply with regulation for voltage control
04/1999
04/29/1999WO1999021269A1 Method and circuit for reducing voltage dips in battery supply lines
04/29/1999WO1999007062A3 Low power stand-by for switched-mode power supply circuit with burst mode operation
04/29/1999WO1999007061A3 Functional on/off switch for switched-mode power supply circuit with burst mode operation
04/29/1999DE19849019A1 Smoothing circuit for switching current supply , for charging battery
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