Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
05/1993
05/13/1993DE4237131A1 Thin film windshield heater for aircraft
05/12/1993EP0540948A2 Regulated charge pump and method therefor
05/12/1993EP0540947A2 Mixed signal processing system and method for powering same
05/12/1993EP0540647A1 Miniaturized switching power supply with programmed level gate drive
05/12/1993CN2133093Y No-dissipation resistor type dc. voltage regulator
05/05/1993EP0539903A2 Switch-off snubber for power transistors in multi-transistor forward converters
05/05/1993EP0539902A2 Switch-off snubber for A DC-DC converter
05/04/1993US5208740 Inverse dual converter for high-power applications
05/04/1993US5208739 Integrated magnetic power converter
05/04/1993US5208738 Constant frequency resonant DC/DC converter
05/04/1993US5208432 Magnetron driving power supply circuit
05/04/1993US5207613 Method and apparatus for mounting, cooling, interconnecting, and providing power and data to a plurality of electronic modules
05/04/1993US5207208 Integrated converter high power CD ignition
05/04/1993CA1317369C Switch-mode power supply
04/1993
04/29/1993WO1993008636A1 Power supply
04/29/1993WO1993008628A1 Method and device for avoiding overcurrents in a welding converter
04/28/1993EP0539110A1 Integrated circuit having a boosted node
04/28/1993EP0538324A1 Combinatorial circuit component for a television receiver.
04/28/1993EP0447410B1 Synchronization circuit for a resonant flyback high voltage supply
04/28/1993EP0425574A4 Transformer having symmetrical push-pull windings
04/28/1993CN2131244Y Inversion power carried in car
04/27/1993US5206800 Zero voltage switching power converter with secondary side regulation
04/27/1993CA1316980C Power supply
04/22/1993DE4134461A1 Verfahren und vorrichtung zur vermeidung uebergrosser stroeme in einem schweissumrichter Method and device for avoidance by large currents in a welding converter
04/21/1993EP0537935A2 Voltage regulator circuit
04/21/1993CN2130303Y High-voltage inverter
04/20/1993US5204809 H-driver DC-to-DC converter utilizing mutual inductance
04/20/1993US5204548 Energy storage circuit with dc chopper superconducting reactor
04/15/1993WO1993007674A1 Regulated auxiliary power supply
04/14/1993EP0536736A1 Power supply and control device particularly for RF ion thrustors
04/14/1993EP0415923B1 High efficiency converter
04/14/1993CN2130007Y High efficient high power density booster
04/13/1993US5202725 High voltage power supply control apparatus
04/13/1993US5202588 Substrate bias circuit
04/13/1993US5202587 MOSFET gate substrate bias sensor
04/08/1993DE4233078A1 Stabilised DC power supply unit for, e.g. CD or cassette player and/or tuner - has switch reacting to device mode of operation to select state by which stabilisation is performed using series transistor
04/06/1993US5200886 Start-up for a switched-mode power supply
04/06/1993US5200879 Drive circuit for voltage driven type semiconductor device
04/06/1993US5200878 Drive circuit for current sense igbt
04/06/1993US5199429 For energy delivery to a heart
03/1993
03/31/1993EP0534422A2 A power supply device
03/31/1993EP0534379A2 Power supply circuit
03/31/1993EP0534013A1 Low-loss resonant circuit for capacitance driver
03/31/1993EP0316410B1 Quantized duty ratio power sharing converters
03/31/1993CN1070529A Television starup current regulation
03/31/1993CN1070520A Dynamic frequency-changing and current transforming method and apparatus thereof
03/30/1993US5198969 Soft-switching full-bridge dc/dc converting
03/30/1993US5198743 Battery charger with microprocessor control
03/30/1993US5198728 Operating circuit for a discharge lamp
03/23/1993US5196996 High voltage generating circuit for semiconductor devices having a charge pump for eliminating diode threshold voltage losses
03/23/1993US5196995 3-terminal bidirectional switching power supply with AC or DC input and AC or DC output
03/18/1993WO1993005579A1 Secondary electric power source based on motovilov's transformers
03/18/1993WO1993005513A1 Circuit for controlling the programming voltage of programmable memories
03/18/1993DE4130213A1 Control circuit for switched current regulator - uses comparator acting as pulse width modulator for controlling transistor switch element.
03/17/1993EP0532360A1 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer
03/17/1993EP0532263A1 DC/DC voltage converting device
03/17/1993EP0531780A2 Circuit arrangement for a freely oscillating flyback converter
03/17/1993EP0531687A2 Low cost high frequency switched mode converter and method for making same
03/17/1993EP0390786A4 Power supply start circuit
03/16/1993US5194803 Superconductive voltage stabilizer having improved current switch
03/10/1993EP0530603A1 Circuit for operating a lamp
03/10/1993CN1069838A 包含两个谐振储能电路的电源 Contains two resonant tank circuit supply
03/09/1993US5193211 Power saving dc-dc converter for radio pagers
03/09/1993US5193198 Method and apparatus for reduced power integrated circuit operation
03/09/1993US5192906 Switching regulator with current limiting shutdown
03/04/1993WO1993004527A1 Resonant power supplies
03/04/1993WO1993004526A1 Process and device for adjusting mean values of a correcting variable derived from a switched input variable according to a continuous set correcting variable
03/04/1993WO1993004422A1 Low power switching power supply circuits and methods
03/04/1993DE4128962A1 Solar or wind generator combination with rechargeable battery - has DC generator decoupled by diode(s) and protected against reverse current
03/04/1993DE4127577A1 High voltage generation system from vehicle electrical circuit for electrostatic soot precipitator - uses voltage regulator producing theoretical value for at least one current regulator regulating flow through precipitator
03/03/1993EP0529391A1 Voltage converter
03/03/1993EP0529366A1 Switching converter with current sensor
03/03/1993EP0529180A1 AC current detector and power supply circuit
03/03/1993EP0529141A1 Switchmode power supply drawing a sinusoidal current and avoiding input current surges by corresponding control of the used switches
03/03/1993CN1069613A Switched mode power supply with startup precharge
03/02/1993US5191232 High frequency voltage multiplier for an electrically erasable and programmable memory device
03/02/1993CA1314074C Instantaneous voltage drop detector for dc power source
02/1993
02/24/1993CN1069380A Source voltage control switching circuit
02/24/1993CN1069377A Focus coil current generator for cathode ray tube
02/23/1993US5189602 High-voltage generator with selective half-bridge and full-bridge operation
02/23/1993US5189601 Half bridge converter with current mode controller
02/23/1993US5189600 Combined power supply for main and stand-by power
02/23/1993US5189599 High voltage regulator for an integrated horizontal sweep system
02/18/1993WO1993003536A1 Power supply including two tank circuits
02/17/1993EP0527471A1 High voltage generator
02/17/1993CA2050199A1 Low power switching power supply circuits and methods
02/16/1993US5187631 For controlling the power supply of an electrical load
02/16/1993US5187421 Electrostatic transformer
02/16/1993US5187384 Method and circuit configuration for triggering a semiconductor switch through the use of an inductive transformer
02/16/1993CA1313689E Power converter with duty ratio quantization
02/11/1993DE4224796A1 Stable supply regulation for electric rail systems - has regulator generating control signal inversely proportional to voltage and current supply components
02/11/1993DE4224795A1 Generation of stable regulating action for power supply circuit e.g. for electric railway - comparing output with reference valve to provide error, and adding to control signals to apply correction for adjustment of supply
02/11/1993DE4126569A1 Control circuit for solar powered solenoid pump delivering water from well - has timer based circuit with control of pause period in pulsed cycle to meet current conditions of supply
02/11/1993DE4126544A1 Stabilised electronic half-wave converter for resistive load e.g. halogen lamp - has power switching stages controlled by circuit providing pulse width modulated regulation
02/10/1993EP0526693A2 Starting circuit for a switched mains power supply
02/10/1993EP0526498A1 D.c. changer with current limitation.
02/09/1993CA1313543C Magnetron with full wave bridge inverter
02/04/1993WO1993002501A1 Electronic device for converting electrical energy
02/04/1993WO1993002407A1 Improved power supply regulator
02/04/1993DE4222851A1 Current flow converter circuitry esp. for personal computer - uses transformer free-wheeling diode and switches to provide several output voltages independently regulated at low loss for PC or TV receiver