Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
09/1997
09/09/1997US5666042 Switching current spike limiter for three phase coupled inductor conductive battery charger
09/05/1997CA2195296A1 Trickle power supply
09/04/1997WO1997032390A1 High-efficiency electric motor of electronic commutation type
09/04/1997WO1997032388A1 Power-supply circuit
09/03/1997EP0793334A1 Dc-dc converter circuit and inductive load driver using it
09/03/1997EP0793333A1 Charge pump
09/03/1997EP0792538A1 Circuit for the multiple use of a transformer core
09/03/1997EP0631697B1 Switching regulator system
09/02/1997US5663911 Semiconductor device having a booster circuit
09/02/1997US5663877 Synchronous rectifier that is impervious to reverse feed
09/02/1997US5663875 Voltage converter for the discharge lamp of a motor vehicle headlight, a power supply circuit, and a headlight including the circuit
09/02/1997US5663874 Multiple output flyback DC-to-DC converter with synchronous rectification and constant on-time current mode control
09/02/1997US5663873 Bias power having a gapped transformer component
09/02/1997US5663667 Switched leading edge replacement for current sense signal
09/02/1997US5663635 For converting power from an input source for delivery to a load
08/1997
08/28/1997WO1997031423A1 Circuit for enhancing power delivery of an energy source
08/28/1997WO1997031304A1 Self-compensating resonant switching power converter
08/28/1997WO1997030574A2 Switched-mode power supply with compensation for varying input voltage
08/28/1997DE19621526C1 Welding unit with welding material control
08/28/1997DE19607124A1 Efficiency increase for collector-to-ground circuit e.g. for solar power installation
08/27/1997EP0792007A2 Universal power module
08/27/1997EP0792006A2 Dc-to-dc switching power supply utilizing a delta-sigma converter in a closed loop controller
08/27/1997EP0791239A1 Power supply apparatus with improved efficiency
08/27/1997CN1158020A Transformer for antiphase resistance welder
08/26/1997US5661647 Low temperature co-fired ceramic UHF/VHF power converters
08/26/1997US5661646 Multi-phase DC-DC chopper with different number of phases
08/26/1997US5661643 Universal power module
08/26/1997US5661642 Switching power supply
08/26/1997US5661394 Switching power supply
08/21/1997WO1997030455A1 Low supply voltage negative charge pump
08/21/1997WO1997024794A3 Integrated driver for half-bridge circuit
08/21/1997DE19621555C1 Anti-interference arrangement for motor vehicle internal power supply system
08/20/1997CN2260403Y High frequency contravariant high valtage power supply arrangement for electrostatic cleaner
08/19/1997US5659463 High-efficiency summing power converter and method therefor
08/19/1997US5659462 Encapsulated, integrated power magnetic device and method of manufacture therefor
08/19/1997US5659461 Switching power supply using printed coil type transformer
08/19/1997US5659460 For use in converting power from an input source for delivery to a load
08/19/1997US5659241 DC/DC converter and audio device incorporating the same
08/19/1997US5659208 Power supply with multiple isolated regulators and isolation mode
08/19/1997CA2054513C Constant frequency resonant dc/dc converter
08/14/1997WO1997023031A3 Device for high-voltage transformation by cascading
08/13/1997EP0788726A1 Current supply module for mounting on a component-carrying printed circuit board
08/12/1997US5657219 Opposed current power converter
08/12/1997US5657218 Switch mode power supply circuit
08/12/1997US5657215 Controlling switch-Mode power conversion
08/12/1997US5657212 Capacitor coupled converter
08/12/1997US5657211 Method and circuit for controlling the output characteristics of a switched-mode power supply
08/12/1997US5656965 Turn-off circuitry for a high-speed switching regulator drive circuit
08/12/1997US5656925 Pulse switching tandem flyback voltage converter
08/12/1997US5656923 A DC power supply controller
08/12/1997US5656890 High-voltage stabilizer circuit for a monitor
08/12/1997US5656870 Current control for superconducting magnetic energy storage system
08/07/1997WO1997022171A3 Battery coupler
08/07/1997DE19603544A1 Non-inductive DC step-down converter using capacitors for telecommunications
08/06/1997EP0788232A2 Miniaturized switching power supply with programmed level gate drive
08/06/1997EP0788218A2 DC-DC converter with piezo-electric converter
08/06/1997EP0788217A2 Varactor controlled fixed frequency VHF DC-DC converter
08/06/1997EP0660976B1 Synchronous rectifier resistant to feedback
08/05/1997US5654882 Power converter and air conditioner using same
08/05/1997US5654881 Extended range DC-DC power converter circuit
08/05/1997US5654880 Single-stage AC-to-DC full-bridge converter with magnetic amplifiers for input current shaping independent of output voltage regulation
08/05/1997US5654879 Multi-output DC/DC power converter
08/05/1997US5654626 Boost-converter with low losses
08/05/1997US5654605 Hardware arrangement and method of driving a piezoelectric transformer
08/05/1997US5654591 Uninterruptible power supply with passing neutral, comprising a twin step-up chopper
07/1997
07/31/1997WO1997027658A1 Intelligent power supply with staged loading capability
07/31/1997DE19702042A1 Voltage supply for high power load from mains of arbitrary voltage
07/31/1997DE19701191A1 Control method for controlling several voltage converters connected to mains
07/30/1997EP0786866A1 Driving circuit for a periodically operated switch transistor
07/30/1997EP0786857A1 Converter circuit to which sine wave is inputted
07/30/1997EP0786166A1 A voltage clamped parallel resonant converter with controllable duty cycle
07/30/1997EP0771440A4 Externally dimmable electronic ballast
07/30/1997EP0700574B1 Power coupling
07/29/1997US5652700 Low cost AC-to-DC converter having input current with reduced harmonics
07/29/1997US5652699 High-voltage and high-power stabilized DC power supply using modified sine wave output 3-phase inverter
07/24/1997WO1997026657A1 Voltage multiplier
07/24/1997DE19700401A1 Stromversorgungsschaltung für eine Entladungslampe Power supply circuit for a discharge lamp
07/23/1997EP0785613A2 Power supply
07/23/1997EP0785611A2 Electric power apparatus
07/23/1997EP0784811A1 An improved variable-voltage cpu voltage regulator
07/23/1997EP0694184A4 Boost converter power supply with reduced losses, control circuit and method therefor
07/23/1997EP0208711B1 Dc to dc converter
07/23/1997CN1035498C Freely oscillating switched-mode power supply
07/22/1997US5650924 Electric power supply device for a monitor
07/22/1997US5650741 Power line connection circuit and power line switch IC for the same
07/22/1997US5650696 For use in a video monitor
07/22/1997US5650671 Charge pump circuit
07/22/1997CA2113335C Inverter power supply for welding
07/17/1997WO1997025815A1 Switched-mode power supply with low power loss in standby operation
07/17/1997WO1997025771A1 Vehicle electrical system
07/17/1997DE19701159A1 Reaction-free voltage converter e.g. for powering lamps on trailer with 12 volt circuitry from tractor with 24 volt circuit
07/17/1997DE19600962A1 Schaltnetzteil mit verlustleistungsarmem Standby-Betrieb Switching power supply with standby verlustleistungsarmem
07/17/1997DE19600074A1 Fahrzeugbordnetz Vehicle electrical system
07/16/1997EP0784374A2 Power supply
07/16/1997EP0784373A1 High-efficiency voltage booster circuit operating at very low supply voltage
07/16/1997EP0783792A1 Voltage regulator that operates in either pwm or pfm mode
07/16/1997CN1154766A Switched-mode power supply
07/16/1997CN1154596A Series resonant converter, and method and apparatus for control thereof
07/16/1997CN1154281A Method and apparatus for controlling inverter resistance welding
07/15/1997US5648896 Inverter device using capacitance for controlling waveform slew during voltage polarity transitions