Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11502607 | Methods and apparatuses for auxiliary transient control system | Amir Babazadeh, Chris M. Young | 2022-11-15 |
| 8981753 | Current-sensing auto-calibration in power converters | — | 2015-03-17 |
| 8933681 | Integrated power supply with wide input supply voltage range | Aaron Shreeve | 2015-01-13 |
| 8706313 | Auto-compensating power converter | David L. Beck | 2014-04-22 |
| 7554274 | System and method for lighting control network recovery from master failure | Ling Wang | 2009-06-30 |
| 7496297 | LED system for illumination and data transmission | Xiaohong Sun | 2009-02-24 |
| 7456589 | Light output modulation for data transmission | Xiaohong Sun, Laurence Bourdillon | 2008-11-25 |
| 7446671 | Method of configuration a wireless-controlled lighting system | Ling Wang | 2008-11-04 |
| 7327130 | Current sense method | — | 2008-02-05 |
| 7312668 | High resolution PWM generator or digitally controlled oscillator | Qiong Li | 2007-12-25 |
| 7123159 | Position dependent information retrieval system | Ihor Wacyk | 2006-10-17 |
| 6844702 | System, method and apparatus for contact-less battery charging with dynamic control | Qiong Li, Nai-Chi Lee | 2005-01-18 |
| 6807478 | In-building navigation system | Ihor Wacyk | 2004-10-19 |
| 6788555 | Regulation of bi-directional flyback converter | Laurence Bourdillon, Nai-Chi Lee | 2004-09-07 |
| 6724602 | Panic protection from fault conditions in power converters | — | 2004-04-20 |
| 6674655 | Control method and apparatus for a flyback converter | Nai-Chi Lee, Qiong Li | 2004-01-06 |
| 6674379 | Digital controller with two control paths | Qiong Li | 2004-01-06 |
| 6577076 | Adaptive control for half-bridge universal lamp drivers | Qiong Li, Ihor Wacyk | 2003-06-10 |
| 6549432 | Single-winding, multiple-output, bi-directional flyback converter | Laurence Bourdillon, Nai-Chi Lee | 2003-04-15 |
| 6510066 | Switch mode power supply and method for transferring data across a power transformer | Qiong Li, Nai-Chi Lee | 2003-01-21 |
| 6504321 | Universal hardware/software feedback control for high-frequency signals | Ihor Wacyk, Shenghong Wang | 2003-01-07 |
| 6504267 | Flyback power converter with secondary-side control and primary-side soft switching | — | 2003-01-07 |
| 6421256 | Method for reducing mains harmonics and switching losses in discontinuous-mode, switching power converters | Qiong Li | 2002-07-16 |
| 6414858 | Multi-mode pulse-width modulator for power control applications | — | 2002-07-02 |
| 6400127 | Dual mode pulse-width modulator for power control applications | — | 2002-06-04 |