| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
|---|
| 09/21/1994 | EP0502067B1 Device for charging electrical energy storage means provided with means for controlling said charging |
| 09/21/1994 | CN1092567A Power supply comprising at least two switching bridges |
| 09/20/1994 | US5349523 Switching power supply |
| 09/20/1994 | US5349516 Switch mode power supply with reduced input current distortion |
| 09/20/1994 | US5349515 Switch mode power supply with feed-forward pulse limit control |
| 09/20/1994 | US5349514 Reduced-resonant-current zero-voltage-switched forward converter using saturable inductor |
| 09/20/1994 | US5349282 Battery charging and monitoring system |
| 09/20/1994 | US5349270 Transformerless fluorescent lamp operating circuit, particularly for a compact fluorescent lamp, with phase-shifted inverter control |
| 09/20/1994 | US5349157 Inverter power supply for welding |
| 09/15/1994 | WO1994021029A1 Converter circuit |
| 09/15/1994 | WO1994021028A1 Secondary electrical power source based on motovilov transformers |
| 09/15/1994 | DE4323135C1 Multiple operational amplifier |
| 09/14/1994 | EP0615335A2 Switch mode electrical power controller |
| 09/13/1994 | US5347422 For igniting fuel in a turbine engine |
| 09/13/1994 | US5347172 Oscillatorless substrate bias generator |
| 09/13/1994 | US5347171 Efficient negative charge pump |
| 09/13/1994 | US5347168 Cryogenic electronics power supply and power sink |
| 09/08/1994 | DE4308424C1 Switching controller, in particular for operation on loads having a capacitive component |
| 09/07/1994 | EP0614282A1 Low noise charge pump having low consumption and frequency synthesiser equipped with such |
| 09/07/1994 | EP0614266A1 Multiloop control apparatus and method for switching mode power converter with bandpass current control |
| 09/07/1994 | EP0614200A1 Device for limiting the terminal voltage of a transformer winding |
| 09/07/1994 | CN1091868A D.C-D.C voltage converter |
| 09/06/1994 | US5345376 Switching power supply with electronic isolation |
| 09/06/1994 | US5345374 Power source for supplying DC voltage by converting AC voltage from AC source |
| 09/06/1994 | US5345161 Power supply system for an electromagnetic riveting apparatus |
| 09/01/1994 | WO1994019860A1 Low line harmonic ac to dc power supply |
| 09/01/1994 | DE4305768A1 Power supply unit |
| 08/31/1994 | EP0613233A1 Circuit arrangement to control the switches of a step-up/step-down voltage converter |
| 08/31/1994 | EP0613232A1 Flyback converter power supply with a semi-conductor switch of low resistance voltage |
| 08/31/1994 | EP0613231A1 Method and circuit arrangement for controlling an output voltage with a predetermined value from a variable input voltage |
| 08/30/1994 | US5343383 Rectifier for DC/DC converter |
| 08/30/1994 | US5343378 Power circuit |
| 08/30/1994 | US5343377 Method of controlling switching regulator |
| 08/30/1994 | US5343140 Zero-voltage-switching quasi-resonant converters with multi-resonant bipolar switch |
| 08/30/1994 | US5343125 High-pressure discharge lamp with pulsed inverter operating circuit, and method of operating a discharge lamp |
| 08/30/1994 | US5343088 Charge pump circuit for a substrate voltage generator of a semiconductor memory device |
| 08/30/1994 | US5343019 Image forming apparatus coping with power supply voltage drift |
| 08/24/1994 | EP0612140A1 Charge pump circuit |
| 08/24/1994 | EP0611417A1 Free-running capacitive discharge ignition system with spark frequency control |
| 08/23/1994 | US5341285 Intelligent transformerless system for transferring energy from a power source to an isolated load |
| 08/23/1994 | US5341284 Power-saving power supply unit |
| 08/23/1994 | US5341280 Contactless coaxial winding transformer power transfer system |
| 08/23/1994 | US5341279 Switching power supply circuit providing reduced power loss upon termination of operation of a starting power supply circuit |
| 08/23/1994 | US5341278 Switching pulsed resonant DC-DC converter power amplifier |
| 08/23/1994 | US5341179 Source voltage control switching circuit |
| 08/23/1994 | US5341085 Power supply circuit with standby arrangement |
| 08/23/1994 | US5341061 Piezoelectric transformer circuit using a piezoelectric transformer unit of a thickness extensional vibration mode |
| 08/23/1994 | CA2036624C Dc to dc converter with zero-point switching |
| 08/18/1994 | WO1994018748A1 Control circuit for a switching dc-dc power converter including a controlled magnetic core flux resetting technique for output regulation |
| 08/18/1994 | WO1994018747A1 Low power dc-dc converter |
| 08/18/1994 | WO1994018746A1 D.c. converter |
| 08/17/1994 | EP0610939A1 Voltage drop circuit to be built in semiconductor IC chip |
| 08/17/1994 | EP0610539A1 Converter with a control circuit fed from the input and from a feed-back loop |
| 08/16/1994 | US5339236 Charge pump circuit for intermediate voltage between power supply voltage and its double voltage |
| 08/16/1994 | US5338988 Voltage converting circuit with low consumption driver |
| 08/11/1994 | DE4303822A1 Electrical circuit for the voltage conversion of direct current to produce various parameters |
| 08/10/1994 | EP0610158A1 Fixed frequency converter switching at zero voltage |
| 08/10/1994 | EP0610066A1 Capacitance multiplier for the internal frequency compensation of switching regulator integrated circuits |
| 08/10/1994 | EP0609900A2 Inverter power supply for welding |
| 08/10/1994 | EP0609875A1 Method of limiting the frequency of a voltage oscillator in a control circuit of a resonant converter power supply and a control circuit for a resonant converter power supply |
| 08/10/1994 | EP0609497A2 A device and method for maintaining a high voltage for low power applications |
| 08/10/1994 | EP0609349A1 Power supply |
| 08/09/1994 | US5337284 High voltage generator having a self-timed clock circuit and charge pump, and a method therefor |
| 08/04/1994 | WO1994017584A1 Power unit having self-oscillating series resonance converter |
| 08/04/1994 | WO1994017364A1 Laser gyro single transformer power supply |
| 08/04/1994 | CA2148711A1 Laser gyro single transformer power supply |
| 08/03/1994 | EP0609097A2 Transistor collector structure for improved matching and chokeless power supply connection |
| 08/02/1994 | US5335162 Primary side controller for regulated power converters |
| 08/02/1994 | US5334463 Hybrid fuel battery system and the operation method thereof |
| 07/27/1994 | EP0608151A2 A high speed and low drift charge pump circuit |
| 07/27/1994 | EP0608150A1 Overload protection of switch mode converters |
| 07/27/1994 | EP0608091A2 Pulsed power converter with multiple output voltages |
| 07/27/1994 | EP0607246A1 Regulated auxiliary power supply. |
| 07/27/1994 | CN1090092A Switching means |
| 07/26/1994 | US5333104 For driving an electrical device |
| 07/19/1994 | US5331539 Mailing machine including multiple channel pulse width modulated signal circuit |
| 07/19/1994 | US5331534 Power supply apparatus |
| 07/19/1994 | US5331533 Zero voltage switching power converters |
| 07/19/1994 | US5331532 High voltage regulating circuit |
| 07/19/1994 | US5331128 Apparatus for driving microwave oven using both A.C. and D.C. current |
| 07/13/1994 | EP0605925A2 Power supply circuit |
| 07/13/1994 | EP0605879A1 Inverter power supply for welding |
| 07/13/1994 | EP0605780A2 A low input harmonic induced multiple use AC synchronous generator starter converter |
| 07/13/1994 | EP0605752A2 Switching power supply |
| 07/13/1994 | CN1089408A Enhanced off-control direct current transformer |
| 07/13/1994 | CN1089407A Switchig pwer supply |
| 07/13/1994 | CN1089125A Electric thermal treatment device |
| 07/12/1994 | US5329439 Zero-voltage-switched, three-phase pulse-width-modulating switching rectifier with power factor correction |
| 07/12/1994 | US5329200 Piezoelectric transformer converter for power use |
| 07/12/1994 | US5329169 Voltage dropping circuit for semiconductor device |
| 07/07/1994 | DE4244530A1 Protected power supply circuit for TV receiver in standby mode |
| 07/07/1994 | DE4241197C1 Control system for switch regulator setting element |
| 07/06/1994 | EP0605057A2 Switched-mode supply circuit and control circuit for use in such a power supply circuit |
| 07/05/1994 | US5327337 Resonant push-pull switching power amplifier |
| 07/05/1994 | US5327334 Zero current switching DC-DC converter incorporating a tapped resonant inductor |
| 07/05/1994 | US5327333 Push push DC-DC reduced/zero voltage switching converter with off-set tapped secondary winding |
| 07/05/1994 | CA2112724A1 Power supply circuit |
| 06/29/1994 | EP0603550A2 A zero current switching reverse recovery circuit |
| 06/29/1994 | CN2170599Y Common divisor combined stage multi-voltage controller |
| 06/28/1994 | US5325283 Novel zero-voltage-switching family of isolated converters |