| 9143030 |
Passive power factor correction incorporating AC/DC conversion |
Victor Chen, George W. Panagotacos |
2015-09-22 |
| 6639815 |
Precision switching power amplifier comprising instantaneously interruptible power source |
— |
2003-10-28 |
| 6385056 |
Precision switching power amplifier and uninterruptible power system |
— |
2002-05-07 |
| 6366474 |
Switching power supplies incorporating power factor correction and/or switching at resonant transition |
— |
2002-04-02 |
| 6362979 |
Switching power amplifier and uninterruptible power system comprising DC/DC converter for providing sinusoidal output |
— |
2002-03-26 |
| 6121756 |
Charger |
Robert W. Johnson, Steven R. Widener, Joseph C. Paulakonis |
2000-09-19 |
| 6011702 |
Low noise forward/flyback switching power supply |
— |
2000-01-04 |
| 5896280 |
Frequency converter and improved UPS employing the same |
Robert W. Johnson, Rune Lennart Jonsson |
1999-04-20 |
| 5892666 |
Push-pull switching power supply having increased efficiency and incorporating power factor correction |
— |
1999-04-06 |
| 5736841 |
Switching power supply attaining sinusoidal input current and comprising series coupled 2-terminal switching block |
— |
1998-04-07 |
| 5637988 |
Switching power supply attaining sinusoidal input current |
— |
1997-06-10 |
| 5382843 |
One or two transistor logic with temperature compensation and minimized supply voltage |
— |
1995-01-17 |
| 5146399 |
Switching power apparatus having high factor and comprising pair of converter for obtaining fixed or variable output voltage |
— |
1992-09-08 |