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