| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 04/26/1994 | US5307005 Zero current switching reverse recovery circuit |
| 04/26/1994 | US5307004 Soft switching boost and buck regulators |
| 04/26/1994 | US5306954 Charge pump with symmetrical +V and -V outputs |
| 04/21/1994 | DE4334128A1 Inverter voltage source with resonant primary winding output=transformer - has fet controlled switching of resonant transformer primary and null=point detector triggering pulse generator for fet timing control |
| 04/21/1994 | DE4235211A1 Operating procedure for switched voltage regulator - controlling duration of setting element switching-in pulses in dependence on switched regulator input voltage amplitude |
| 04/21/1994 | DE4235209A1 Operating procedure for switched voltage regulator - establishing switching-in interval for regulator setting element controlled in dependence on input voltage amplitude |
| 04/21/1994 | DE4234772A1 Verfahren zum Betreiben eines Spannungswandlers sowie Spannungswandler und Anwendung A method of operating a voltage converter, and voltage converter and application |
| 04/21/1994 | DE4234771C1 Einrichtung mit einem Gleichspannungswandler für den Schaltbetrieb Means including a DC-DC converter for switching operation |
| 04/20/1994 | EP0593258A2 Power supply |
| 04/20/1994 | EP0593257A2 Boost converter |
| 04/20/1994 | EP0593105A1 Efficient negative charge pump |
| 04/20/1994 | EP0592977A2 Single transformer switching regulator |
| 04/20/1994 | EP0592889A2 Switch-mode voltage converter |
| 04/20/1994 | CN1085696A Switch mode power supply with reduced input current distortion |
| 04/20/1994 | CN1085695A Drive circuit for a flyback converter with switching transistors in bridge arrangement |
| 04/19/1994 | US5305192 Switching regulator circuit using magnetic flux-sensing |
| 04/19/1994 | US5305191 Drive circuit for zero-voltage switching power converter with controlled power switch turn-on |
| 04/19/1994 | US5304917 Compact low noise low power dual mode battery charging circuit |
| 04/19/1994 | US5304898 High voltage generating circuit |
| 04/19/1994 | US5304875 Efficient transistor drive circuit for electrical power converter circuits and the like |
| 04/14/1994 | WO1994008386A1 Method and device for regulating the mean current across an inductive load controlled to give a variable opening duty cycle |
| 04/14/1994 | DE4334263A1 Back bias voltage generator for semiconductor memory device - has two Vbb generator with oscillator generating clock pulse, and several Vbb sub-generators |
| 04/13/1994 | EP0401287B1 Power-operated device with a cooling facility |
| 04/13/1994 | CN2162034Y Pulsewidth modulation type DC high voltage generator |
| 04/13/1994 | CN1024246C Switch-mode power supply with burst mode standby operation |
| 04/12/1994 | US5303138 Low loss synchronous rectifier for application to clamped-mode power converters |
| 04/12/1994 | US5303137 Multiresonant self-oscillating converter circuit |
| 04/12/1994 | US5302862 Efficient transformer-coupled gate driver circuit for power FET's |
| 04/06/1994 | EP0591022A1 Voltage boosting circuit of the charge pump type with bootstrap oscillator |
| 04/06/1994 | EP0590999A2 Switching power supply |
| 04/06/1994 | EP0590827A2 Charge pump which operates on a low voltage power supply |
| 04/06/1994 | EP0590716A2 Drive circuit for a flyback converter with switching transistors in bridge arrangement |
| 04/06/1994 | EP0590666A2 Switching boosting circuit |
| 04/06/1994 | EP0590318A1 Method and apparatus for increasing energy output from capacitors |
| 04/06/1994 | EP0590304A2 Method for the pilot control of a switched power supply for the compensation of variations of the distribution voltage |
| 04/06/1994 | EP0590220A1 Highly reliable, low dissipation boost circuit |
| 04/06/1994 | EP0589911A1 Switching regulator. |
| 04/05/1994 | US5301097 Multi-staged charge-pump with staggered clock phases for providing high current capability |
| 04/05/1994 | US5301096 Submersible contactless power delivery system |
| 04/05/1994 | US5301095 High power factor AC/DC converter |
| 03/31/1994 | WO1994007345A1 Clocked current supply circuit |
| 03/31/1994 | DE4332714A1 Resonance circuit with transformer - has transformer with prim. and sec. coils, control voltage source connected to prim. coil, single switch device for on and off control of current flowing through prim. coil, and resonance |
| 03/31/1994 | DE4241065C1 Elektronisches Schaltnetzteil zur Speisung eines Akkumulators An electronic switching power supply for supplying an accumulator |
| 03/31/1994 | DE4232865A1 Switching circuit for TV receiver - has collector of transistor connected to DC supply through transformer primary and emitter to earth through diodes |
| 03/31/1994 | DE4231968A1 Getaktete Stromversorgungsschaltung Pulsed power supply circuit |
| 03/30/1994 | EP0589263A1 Power supply for a DC load such as a magnetron |
| 03/30/1994 | EP0589204A2 Improvement in a stabilized-voltage power supply circuit for boost converters |
| 03/30/1994 | EP0589202A2 Pistol for electrostatic powder coating and method for generating a high voltage |
| 03/30/1994 | EP0588843A1 Switch mode power supply with reduced input current distortion. |
| 03/23/1994 | EP0588173A2 Switch mode power supply with standby mode operation |
| 03/23/1994 | EP0588172A2 Switch mode power supply with reduced input current distortion |
| 03/23/1994 | EP0588168A2 Switch mode power supply with feed-forward pulse limit control |
| 03/23/1994 | CN2159630Y Insulated gate and bipolar transistor chopper |
| 03/22/1994 | US5297014 Switching DC power supply apparatus |
| 03/17/1994 | WO1994006201A1 Series/parallel resonant converter |
| 03/17/1994 | WO1994006199A1 Simplified ups system |
| 03/17/1994 | WO1994006177A1 Mains supply adapter for a small electric consumer |
| 03/17/1994 | WO1994005909A1 Free-running capacitive discharge ignition system with spark frequency control |
| 03/17/1994 | DE4230727A1 Linear inverter for power supply to sensitive measuring appts. - employs multiplying D=A converter for sync. adaptation of control voltage to maintain output within tolerances |
| 03/16/1994 | EP0586885A1 DC power-supply unit |
| 03/16/1994 | CN2159082Y Switch-type DC power transformer |
| 03/16/1994 | CN2159077Y Multifunction household power regulating and controlling device |
| 03/15/1994 | US5295058 Universal DC to DC power converter |
| 03/15/1994 | US5294768 Electrical supply circuit for the generation of separately controllable current pulses |
| 03/15/1994 | CA2025192C Current fed push pull power converter |
| 03/09/1994 | EP0585948A1 Circuit arrangement for converting an AC voltage from a supply line into a DC voltage by taking a substantially sinusoidal current at the powerline frequency |
| 03/09/1994 | EP0585925A2 Voltage converting circuit and multiphase clock generating circuit used for driving the same |
| 03/09/1994 | EP0585847A2 Power MOSFET safe operating area current limiting device |
| 03/09/1994 | EP0585789A1 Three-terminal switched mode power supply integrated circuit |
| 03/09/1994 | EP0585788A1 Switched mode power supply integrated circuit with start-up self-biasing |
| 03/09/1994 | CN1083635A Current controlled DC converter |
| 03/08/1994 | US5293308 Inductive power distribution system |
| 03/08/1994 | US5293111 Method for minimizing the switching loss in a power switch |
| 03/08/1994 | US5293077 Power switching circuit |
| 03/03/1994 | WO1994007300A1 Snubber circuit, switching power-supply, and saturable inductor used for them |
| 03/03/1994 | WO1994005084A1 Cryogenic electronics power supply and power sink |
| 03/03/1994 | WO1994005076A1 Dc to dc/dc to ac power conversion system |
| 03/03/1994 | WO1994004388A1 Exhaust gas converter electric drive generation of electric power by means of an internal combustion engine with exhaust gas converter, generator and voltage transformer |
| 03/03/1994 | WO1994004264A1 Ozone generator |
| 03/03/1994 | CA2105590A1 Ozone generator |
| 03/02/1994 | EP0585077A1 Power supply circuit with power factor correction |
| 03/02/1994 | EP0584656A1 Improved switched mode power supply |
| 03/02/1994 | EP0584623A1 Current-mode DC converter |
| 03/02/1994 | EP0584622A1 Flow inverter with RCD-discharge circuit |
| 03/02/1994 | EP0584621A1 Forward DC-DC converter with RCD snubber circuit |
| 03/01/1994 | US5291446 VPP power supply having a regulator circuit for controlling a regulated positive potential |
| 03/01/1994 | US5291387 Switching voltage regulator with protective device against thermal breakdown |
| 03/01/1994 | US5291386 Switched mode power supply with precharge of base-emitter sweep-out capacitor |
| 03/01/1994 | US5291385 Zero-current switching forward power converter operating in damped reverse boost mode |
| 03/01/1994 | US5291384 Phase shifted switching controller |
| 03/01/1994 | US5291383 Power supply system |
| 03/01/1994 | US5291382 Pulse width modulated DC/DC converter with reduced ripple current coponent stress and zero voltage switching capability |
| 02/26/1994 | CA2101144A1 Power supply circuit with power factor correction |
| 02/24/1994 | DE4227629A1 Miniaturised power supply e.g. for personal stereo, mobile phone or battery charging - has noise suppression capacitor wound around section of carrier plate which carries transformer in form of sheath |
| 02/24/1994 | DE4227165A1 Control circuit for inductive consumer load - uses series ON=OFF switching transistor and pulse-width modulated control transistor for efficient operation |
| 02/23/1994 | EP0583841A2 Switch mode power supply |
| 02/23/1994 | EP0583502A1 Circuit arrangement for the generation of a constant output voltage |
| 02/23/1994 | EP0583493A1 Current pulse generator |
| 02/23/1994 | EP0583328A1 Electronic control circuit for supplying ohmically inductive loads by means of d.c. pulses. |
| 02/22/1994 | US5289363 Modular power supply arrangement with cooling |