| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 12/16/2004 | US20040252530 Bidirectional flyback switch mode power supply (smps) |
| 12/16/2004 | US20040252529 AC/DC flyback converter |
| 12/16/2004 | US20040252528 Switching power source device |
| 12/16/2004 | US20040252527 Voltage converter |
| 12/16/2004 | US20040252526 Self-excited switching power supply circuit |
| 12/16/2004 | US20040252431 Universal energy supply system |
| 12/16/2004 | US20040252422 Selective potting for controlled failure and electronic devices employing the same |
| 12/16/2004 | US20040251956 High voltage ripple reduction and substrate protection |
| 12/16/2004 | US20040251955 Charge pump with constant output current |
| 12/16/2004 | US20040251886 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply |
| 12/16/2004 | US20040251884 High efficiency off-line linear power supply |
| 12/16/2004 | US20040251878 Universal Serial bus charger for a mobile device |
| 12/16/2004 | US20040251854 Power supply for lighting |
| 12/16/2004 | US20040251491 Trench MOSFET technology for DC-DC converter applications |
| 12/16/2004 | US20040251465 Light emitting device and element substrate |
| 12/16/2004 | DE10324888A1 Plug adapter voltage converter for connecting 12 Volt trailer lighting to 24 Volt locomotive has pulse effective power switching converters built into plug adapter with low but different frequencies |
| 12/16/2004 | DE10324781A1 Schaltungsanordnung zur Verbesserung des Abschaltverhaltens eines Schalttransistors und Schaltnetzteil mit einer solchen Schaltungsanordnung Circuit for enhancing the shutdown of a switching transistor and switching power supply with such a circuit arrangement |
| 12/16/2004 | DE10321234A1 Gleichspannungswandler mit einer Eingangsschaltstufe und mehreren Ausgangskanälen DC-DC converter with an input switching stage, multiple output channel |
| 12/16/2004 | DE102004022136A1 Soft-switch power converter e.g. with soft-switch boost circuit, includes rectifier coupled to storage inductor and active snubber to transfer energy to output terminal |
| 12/16/2004 | CA2431689A1 Zero-current switched resonant converter |
| 12/15/2004 | EP1487081A2 Universal serial bus (USB) charger for a mobile device |
| 12/15/2004 | EP1486844A2 Electronic control device comprising a transistor with a tap connection |
| 12/15/2004 | EP1485984A2 Multi-phase switching regulator |
| 12/15/2004 | CN2664278Y DC/DC power supply module having under-voltage and current-limiting protection |
| 12/15/2004 | CN1555600A Thermally compensated current sensing of intrinsic power converter elements |
| 12/15/2004 | CN1555117A High voltage suspending type far terminal and its power supply circuit |
| 12/14/2004 | US6831848 Programmable power supply to simultaneously power a plurality of electronic devices |
| 12/14/2004 | US6831847 Synchronous rectifier drive circuit and power supply including same |
| 12/14/2004 | US6831846 Switching power source circuit with drive frequency variably controlled by switching element |
| 12/14/2004 | US6831845 High-voltage transformer |
| 12/14/2004 | US6831818 Current regulated voltage limited high voltage power supply for corona charger |
| 12/14/2004 | US6831500 Noise-reduced voltage boosting circuit |
| 12/14/2004 | US6831499 Negative charge pump with bulk biasing |
| 12/14/2004 | US6831449 Current determination circuit, and image printing apparatus having current determination circuit |
| 12/14/2004 | US6831448 DC-to-DC converter |
| 12/14/2004 | US6831422 Operating circuit with an improved power supply for a driver circuit |
| 12/14/2004 | US6831388 Synchronous compensator plant |
| 12/14/2004 | CA2368598C Switching power supply circuit |
| 12/09/2004 | WO2004107547A1 Dc-dc-converter |
| 12/09/2004 | WO2004107544A2 Switched-mode power supply comprising a circuit arrangement for improving the interruption behaviour of a switching transistor |
| 12/09/2004 | WO2004084392A3 Dc-dc converter with reduced electromagnetic interference |
| 12/09/2004 | WO2004072589A3 Digital control system and method for switched mode power supply |
| 12/09/2004 | WO2004070925A3 Multi-phase buck converter with programmable phase selection |
| 12/09/2004 | WO2004010238A3 Single chip ballast control with power factor correction |
| 12/09/2004 | US20040246754 Method and system for communicating filter compensation coefficients for a digital power control system |
| 12/09/2004 | US20040246753 DC converter |
| 12/09/2004 | US20040246752 Method and apparatus for valve control |
| 12/09/2004 | US20040246750 DC voltage conversion circuit |
| 12/09/2004 | US20040246749 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
| 12/09/2004 | US20040246748 Bridge-buck converter with self-driven synchronous rectifiers |
| 12/09/2004 | US20040246747 Method and apparatus for output voltage regulation in primary controlled switched mode power supplies |
| 12/09/2004 | US20040246636 Regulator protection circuit and power supply apparatus incorporating it |
| 12/09/2004 | US20040246089 Dc to dc converters |
| 12/09/2004 | US20040246087 Electric component and method of producing the same |
| 12/09/2004 | US20040246046 Variable output-type constant current source circuit |
| 12/09/2004 | US20040246044 Charge pump circuit |
| 12/09/2004 | US20040245974 Switching regulator |
| 12/09/2004 | US20040245973 Digital power converting method and device with zero voltage |
| 12/09/2004 | US20040245972 Series chopper with synchronous switching |
| 12/09/2004 | US20040245969 Power converters |
| 12/09/2004 | US20040245966 Buck/boost converter |
| 12/09/2004 | DE19918041B4 Schaltnetzteil und Verfahren zur Ansteuerung eines Schalters in einem Schaltnetzteil Switching power supply and method for driving a switch in a switching power supply |
| 12/08/2004 | EP1484659A2 Variable output-type current source circuit |
| 12/08/2004 | EP1483833A2 Three-terminal, low voltage pulse width modulation controller ic |
| 12/08/2004 | EP1483825A1 Flip-flop based self-oscillating power supply |
| 12/08/2004 | EP1483824A2 Method of operating a switched-mode power supply and switched-mode power supply |
| 12/08/2004 | CN2662529Y A positively exciting constant current source |
| 12/08/2004 | CN2662311Y Display with power-saving type power supply control function |
| 12/08/2004 | CN2661112Y High-frequency percussion wave high-voltage generator |
| 12/08/2004 | CN1553561A Power supplier with medium voltage direct current |
| 12/08/2004 | CN1553560A Integrated information household electrical appliances power supplier |
| 12/08/2004 | CN1553559A Power-limiting variable-voltage power supply |
| 12/08/2004 | CN1553558A Cross regulating controlling method for step up converter |
| 12/08/2004 | CN1179477C Piezo inverter |
| 12/08/2004 | CN1179476C Switch power source and method for controlling one switch in switch power source |
| 12/08/2004 | CN1179475C Circuit and method for automatic rectification in converters |
| 12/08/2004 | CN1179474C Booster and integrated circuit card with said booster and its electronic apparatus |
| 12/08/2004 | CN1179473C Switch regulator |
| 12/08/2004 | CN1179471C Switching regulator capable of increasing regulator efficiency under light load |
| 12/07/2004 | US6829151 Regulating device for a resonant converter |
| 12/07/2004 | US6828851 Constant voltage charge-pump circuit with feedback |
| 12/07/2004 | US6828850 Method and system for charge pump active gate drive |
| 12/07/2004 | US6828849 Voltage generating/transferring circuit |
| 12/07/2004 | US6828836 Two comparator voltage mode PWM |
| 12/07/2004 | US6828766 Voltage regulator |
| 12/07/2004 | US6828765 Method and computer program product for improved transient response |
| 12/07/2004 | US6828764 Regulator circuit and control method thereof |
| 12/07/2004 | US6828762 Inductor current sensing in isolated switching regulators and related methods |
| 12/07/2004 | CA2310268C Dc to dc converter with overlapping pulses |
| 12/07/2004 | CA2252774C Switched-mode power supply arrangement |
| 12/02/2004 | WO2004105226A1 Frequency controlled resonant converter |
| 12/02/2004 | WO2004105223A1 Switch mode power supply apparatus with multiple regulated outputs and a single feedback loop |
| 12/02/2004 | WO2004105221A1 Power supply voltage converting circuit, method for controlling the same, display device, and mobile terminal |
| 12/02/2004 | WO2004082119A3 Control circuit for a switched mode power supply unit |
| 12/02/2004 | WO2004051829A3 Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same |
| 12/02/2004 | US20040240873 Flash device and lens-fitted photo film unit with built-in flash device |
| 12/02/2004 | US20040240540 Pulse width modulation signal generating circuit |
| 12/02/2004 | US20040240243 Prediction methods and circuits for operating a transistor as a rectifier |
| 12/02/2004 | US20040240241 Voltage regulating device for charging pump |
| 12/02/2004 | US20040240239 Apparatus for protecting boost converter in abnormal operation |