Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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01/05/1999 | US5856712 Uninterruptible power supply method |
01/05/1999 | CA2081335C Direct-current converter with current limiting |
12/30/1998 | WO1998059413A1 Integrated uninterruptible power supply protection system with novel inverter circuit |
12/30/1998 | WO1998044622A3 Digitally controlled switched-mode voltage converter |
12/30/1998 | EP0887912A1 Power supply |
12/30/1998 | EP0887868A2 Energy conversion system with heat recovery |
12/30/1998 | EP0886911A1 Ups card |
12/30/1998 | CN1203704A AC-DC power supply |
12/30/1998 | CA2290403A1 Integrated uninterruptible power supply protection system with novel inverter circuit |
12/29/1998 | US5854742 Logarithmic power compensation for a switching power supply |
12/29/1998 | US5854567 Low loss integrated circuit with reduced clock swing |
12/29/1998 | CA2163498C Voltage and current mode power regulator |
12/24/1998 | DE19725645A1 Pumpstützdrossel Pump supporting inductor |
12/24/1998 | DE19725440A1 DC/DC converter |
12/23/1998 | WO1998058526A1 Pump support choke |
12/23/1998 | WO1998043336A3 A plant for transmitting electric power including vsc (voltage source converter) and dc/dc converter |
12/23/1998 | WO1998038727A3 Dc-dc converter with multiple outputs turned on and off in certain sequence |
12/23/1998 | EP0886200A2 Circuit arrangement for generating a load-independent DC voltage |
12/23/1998 | EP0885480A1 Circuit arrangement for switching network sections with several load-independent output voltages |
12/23/1998 | EP0801842B1 Circuit for driving a converter |
12/23/1998 | CN1202759A Soft switch circuit topology for power conversion |
12/22/1998 | US5852632 Recovery of the propagation delay in a PWM circuit |
12/22/1998 | US5852557 Switching converter utilizing dual switch outputs |
12/22/1998 | US5852555 Dual inverter power supply |
12/22/1998 | US5852552 High voltage generator with a latch-up prevention function |
12/22/1998 | US5852550 Switched-mode power supply circuit having a very low power stand-by mode |
12/22/1998 | US5852549 Power-supply circuit |
12/22/1998 | US5852538 Power element driving circuit |
12/20/1998 | CA2208380A1 Integrated uninterruptible power supply protection system with novel inverter circuit |
12/17/1998 | WO1998057417A1 A switched-mode power supply |
12/17/1998 | WO1998057243A1 Reboost converter |
12/16/1998 | EP0884830A2 Power supply unit with a pulse width modulated inverter, in particular for an X-ray generator |
12/16/1998 | EP0884829A1 Single ended forward converter with synchronous rectification and delay circuit in phase-locked loop |
12/16/1998 | EP0884746A2 Synchronous switching regulator which employs switch voltage-drop for current sensing |
12/16/1998 | EP0883926A1 High-efficiency electric motor of electronic commutation type |
12/16/1998 | CN1202067A Control of output power of DC-DC converter upon varying switching frequency |
12/16/1998 | CN1041263C Switch mode powder supply circuit with reduced loading of mains by harmonics |
12/15/1998 | US5850337 Magnetic-free DC/DC converter and method of operation thereof |
12/15/1998 | US5850113 Super capacitor battery clone |
12/10/1998 | WO1998056100A1 Single-barrier closed loop dc-to-dc converter and method |
12/10/1998 | WO1998040961A3 A convertor, a power supply, and a battery charger |
12/10/1998 | DE19756088A1 Power supply with synchronous and asynchronous operating modes |
12/09/1998 | EP0883231A2 Power supply device |
12/09/1998 | EP0883230A2 Switch control in quantized power converters |
12/09/1998 | EP0883051A1 System for supplying a regulated voltage |
12/09/1998 | CN1201563A Battery coupler |
12/09/1998 | CN1201291A Power conversion device having voltage driven switch element |
12/08/1998 | US5847950 Control system for a power supply |
12/08/1998 | US5847949 Boost converter having multiple outputs and method of operation thereof |
12/08/1998 | US5847946 Voltage booster with pulsed initial charging and delayed capacitive boost using charge-pumped delay line |
12/08/1998 | US5847941 Switching power supply system and process |
12/08/1998 | US5847940 For powering a load from an input voltage |
12/08/1998 | US5847554 Synchronous switching regulator which employs switch voltage-drop for current sensing |
12/08/1998 | US5847553 Current booster for PC card |
12/08/1998 | US5847550 Exit sign having a pulse switching tandem flyback voltage converter and a backup battery |
12/08/1998 | US5847549 Power converter stabilization loop |
12/08/1998 | US5847548 Current-sharing passive snubber for parallel-connected switches and high power boost converter employing the same |
12/08/1998 | US5847532 Switching circuit for an inductive load |
12/03/1998 | WO1998054827A1 Method and circuit for operating a transistor as a rectifier |
12/03/1998 | WO1998054826A1 Composite transformer for self-oscillator |
12/03/1998 | WO1998054825A1 Adjustable voltage converter utilizing a charge pump |
12/02/1998 | EP0881759A2 Sub-resonant series resonant converter having improved form factor and reduced emi |
12/02/1998 | EP0881758A2 Efficient power conversion |
12/02/1998 | EP0881737A2 Electric charge transfer |
12/02/1998 | EP0881647A1 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer |
12/02/1998 | EP0880783A1 Low supply voltage negative charge pump |
12/02/1998 | EP0764297A4 High-efficiency power supply |
12/02/1998 | EP0669053B1 Active clamping circuit |
12/02/1998 | CN1200594A Low cost high efficiency power converter |
12/02/1998 | CN1041039C Switching power supply |
12/01/1998 | US5844790 Split-boost converter having damped EMI isolation filter and method of operation thereof |
12/01/1998 | US5844787 Isolated flyback secondary inductor convertor |
12/01/1998 | US5844786 DC-DC converter circuit and inductive load driver using it |
12/01/1998 | US5844550 Man-machine interface |
12/01/1998 | US5844403 Power apparatus |
11/26/1998 | WO1998053548A1 Method and circuit for disconnecting a converter |
11/26/1998 | WO1998053547A1 Voltage transformer |
11/26/1998 | WO1998053378A1 Monolithic dc to dc converter |
11/26/1998 | WO1998043344A3 Switched-mode power supply |
11/26/1998 | DE19721787A1 Slope compensation procedure in logic system component |
11/25/1998 | EP0880220A2 A phase staggered full-bridge converter with soft-PWM switching |
11/25/1998 | EP0880087A2 Power supply circuit and CCD camera using same |
11/25/1998 | EP0880086A1 A control circuit and method for a temperature sensitive device |
11/25/1998 | EP0843822A4 A bidirectional load and source cycler |
11/25/1998 | EP0692154B1 Clocked current supply |
11/25/1998 | CN1200204A Constant-current/constant-voltage battery charger |
11/25/1998 | CN1040931C High efficient voltage doubler |
11/24/1998 | US5841725 Charge pump circuit for a semiconductor memory device |
11/24/1998 | US5841703 Method and apparatus for removal of VT drop in the output diode of charge pumps |
11/24/1998 | US5841648 Adjustable voltage converter utilizing a charge pump |
11/24/1998 | US5841643 For use in a switching voltage regulator |
11/24/1998 | US5841642 Tuned switch-mode power supply with current mode control |
11/24/1998 | US5841641 Protected zero-crossing detection using switching transistor's on-resistance |
11/24/1998 | US5841314 Charge pump type of negative voltage generator circuit and method |
11/24/1998 | US5841313 Switch with programmable delay |
11/24/1998 | US5841268 Multi-resonant soft switching snubber network for DC-to-DC converter |
11/19/1998 | WO1998052273A1 Switched-mode power supply, an electric shaver, and a method of converting direct voltages |
11/19/1998 | DE19720948A1 Vorrichtung zur Spannungswandlung Device for voltage conversion |
11/18/1998 | EP0878050A1 Ac/dc converter |
11/18/1998 | CN1040823C Switch mode power supply circuit with output supply voltage control and overcurrent protection functions |