Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766605 | Bridgeless PFC converter and the method thereof | Yuancheng Ren, Bo Zhang, Miao Lei, Junming Zhang, Eric Yang | 2014-07-01 |
| 8541987 | Low loss discharge circuits for EMI filter capacitors | Donald R. Disney, Michael Hsing, James Nguyen | 2013-09-24 |
| RE44133 | Fixed operating frequency inverter for cold cathode fluorescent lamp having strike frequency adjusted by voltage to current phase relationship | Timothy Rust | 2013-04-09 |
| 8410716 | Control of multi-string LED array | Kaiwei Yao | 2013-04-02 |
| 8320139 | Switching regulator with frequency limitation and method thereof | Jin-Kui Hu, Junming Zhang, Yuancheng Ren | 2012-11-27 |
| 8102129 | Method and circuit for short-circuit and over-current protection in a discharge lamp system | Kaiwei Yao, Wei Chen | 2012-01-24 |
| 8054655 | Tail current control of isolated converter and apparatus thereof | Kaiwei Yao, Yuxin Li, Junming Zhang, Huanyu Lu | 2011-11-08 |
| 7911150 | Method and apparatus for controlling a discharge lamp in a backlighted display | John Robert Shannon, Michael Hsing | 2011-03-22 |
| 7894174 | Method and apparatus for fault detection scheme for cold cathode fluorescent lamp (CCFL) integrated circuits | Paul Ueunten | 2011-02-22 |
| 7880397 | Method for starting a discharge lamp using high energy initial pulse | Timothy Rust, David Joseph Christy | 2011-02-01 |
| 7876152 | High-impedance level-shifting amplifier capable of handling input signals with a voltage magnitude that exceeds a supply voltage | — | 2011-01-25 |
| 7804254 | Method and circuit for short-circuit and over-current protection in a discharge lamp system | Kaiwei Yao, Wei Chen | 2010-09-28 |
| 7579787 | Methods and protection schemes for driving discharge lamps in large panel applications | Wei Chen, Paul Ueunten | 2009-08-25 |
| 7511572 | High-impedance level-shifting amplifier capable of handling input signals with a voltage magnitude that exceeds a supply voltage | — | 2009-03-31 |
| 7443107 | Method and apparatus for controlling a discharge lamp in a backlighted display | John Robert Shannon, Michael Hsing | 2008-10-28 |
| 7417503 | Method for high efficiency audio amplifier | Peng Xu, Wei Chen | 2008-08-26 |
| 7385446 | High-impedance level-shifting amplifier capable of handling input signals with a voltage magnitude that exceeds a supply voltage | — | 2008-06-10 |
| 7355354 | Method for starting a discharge lamp using high energy initial pulse | Timothy Rust, David Joseph Christy | 2008-04-08 |
| 7323829 | Minimizing bond wire power losses in integrated circuit full bridge CCFL drivers | Wei Chen | 2008-01-29 |
| 7294974 | Fixed operating frequency inverter for cold cathode fluorescent lamp having strike frequency adjusted by voltage to current phase relationship | Timothy Rust | 2007-11-13 |
| 7265497 | Methods and protection schemes for driving discharge lamps in large panel applications | Wei Chen, Paul Ueunten | 2007-09-04 |
| 7164240 | Method and apparatus for driving an external electrode fluorescent lamp | Timothy Rust | 2007-01-16 |
| 6919694 | Fixed operating frequency inverter for cold cathode fluorescent lamp having strike frequency adjusted by voltage to current phase relationship | Timothy Rust | 2005-07-19 |
| 6900600 | Method for starting a discharge lamp using high energy initial pulse | Timothy Rust, David Joseph Christy | 2005-05-31 |
| 6683422 | Full wave sense amplifier and discharge lamp inverter incorporating the same | — | 2004-01-27 |