| 8829802 |
LED dimming control scheme |
Qi Wei, Zong Bing Li, Xiao Song |
2014-09-09 |
| 8629670 |
Switching adapter control method for adaptive mobile power systems |
Qi Wei |
2014-01-14 |
| 8558528 |
High accuracy inductor peak current control scheme for switching power supply |
— |
2013-10-15 |
| 8350551 |
Power-supply controller |
Jinrong Qian, Tamas S. Szepesi |
2013-01-08 |
| 7439721 |
Constant-on-time power-supply controller and related system and method |
Jinrong Qian |
2008-10-21 |
| 7250744 |
Quasi average current mode control scheme for switching power converter |
— |
2007-07-31 |
| 6909622 |
Quasi active power factor correction circuit for switching power supply |
— |
2005-06-21 |
| 6518712 |
Method and apparatus for controlling the operation of a lamp |
— |
2003-02-11 |
| 6496012 |
Apparatus and method for detecting a short circuit in a lighting system |
Chin-Tang Chang |
2002-12-17 |
| 6473318 |
Leakage energy recovering system and method for flyback converter |
Jinrong Qian |
2002-10-29 |
| 6356035 |
Deep PWM dimmable voltage-fed resonant push-pull inverter circuit for LCD backlighting with a coupled inductor |
— |
2002-03-12 |
| 6317347 |
Voltage feed push-pull resonant inverter for LCD backlighting |
— |
2001-11-13 |
| 6314002 |
Voltage clamping system and method for a DC/DC power converter |
Jinrong Qian |
2001-11-06 |
| 6239995 |
Resonant-boost-input three-phase power factor corrector with a low current stress on switches |
Subbaraya Yuvarajan |
2001-05-29 |
| 6034489 |
Electronic ballast circuit |
— |
2000-03-07 |
| 5986901 |
Power factor correction circuit for a power supply |
— |
1999-11-16 |
