Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8630223 | Efficient frame structure for digital satellite communication | Ming Yang, Fengwen Sun, Fangyi She, Guofang Sheng, Zhenliang Shi +1 more | 2014-01-14 |
| 8275081 | Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems | Feng-Wen Sun, Lin-Nan Lee, Neal Becker | 2012-09-25 |
| 8199847 | Method and apparatus for providing higher order modulation that is backwards compatible with quaternary phase shift keying(QPSK) or offset quaternary phase shift keying (OQPSK) | Lin-Nan Lee, Feng-Wen Sun, Mustafa Eroz | 2012-06-12 |
| 7817759 | Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems | Feng-Wen Sun, Lin-Nan Lee, Neal Becker | 2010-10-19 |
| 7369633 | Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems | Feng-Wen Sun, Lin-Nan Lee, Neal Becker | 2008-05-06 |
| 7260159 | Method and apparatus for providing higher order modulation that is backwards compatible with quaternary phase shift keying (QPSK) or offset quaternary phase shift keying (OQPSK) | Lin-Nan Lee, Feng-Wen Sun, Mustafa Eroz | 2007-08-21 |
| 7006568 | 3D wavelet based video codec with human perceptual model | Junfeng Gu, John S. Baras | 2006-02-28 |
| 6760235 | Soft start for a synchronous rectifier in a power converter | Feng Lin, Ning Sun, Hengchun Mao | 2004-07-06 |
| 6711710 | Robust carrier identifying method and apparatus for bandwidth-on-demand (BOD) system | Robert L. Richmond, Farhad Verahrami | 2004-03-23 |
| 6674658 | Power converter including circuits for improved operational control of synchronous rectifiers therein | Hengchun Mao | 2004-01-06 |
| 6574124 | Plural power converters with individual conditioned error signals shared on a current sharing bus | Feng Lin, Ning Sun, Hengchun Mao | 2003-06-03 |
| 6501194 | Energy recovery snubber circuit for bidirectional power converter and method of operation thereof | Hengchun Mao | 2002-12-31 |
| 6466461 | Method and circuit for reducing voltage level variation in a bias voltage in a power converter | Hengchun Mao | 2002-10-15 |
| 6320764 | Regulation circuit for a power converter and method of operation thereof | Hengchun Mao | 2001-11-20 |
| 6317336 | Current-fed dc/dc converter with multilevel transformer and method of operation thereof | Hengchun Mao | 2001-11-13 |
| 6163466 | Asymmetrical DC/DC converter having output current doubler | Marco Antonio Davila, Rui Liu | 2000-12-19 |
| 6078509 | Multiple output flyback converter having improved cross-regulation and method of operation thereof | Mark E. Jacobs, Vijayan J. Thottuvelil | 2000-06-20 |
| 6055166 | Low trickle current startup bias circuit and method of operation thereof | Mark E. Jacobs, Vijayan J. Thottuvelil | 2000-04-25 |
| 6046576 | Boost converter having reduced output voltage and method of operation thereof | — | 2000-04-04 |
| 6046915 | Phase selection circuit for three phase power converter and method of operation thereof | Mark E. Jacobs, Hengchun Mao | 2000-04-04 |
| 6043705 | Boost converter having extended holdup time and method of operation | — | 2000-03-28 |
| 6038147 | Power supply employing circulating capacitor and method of operation thereof | Mark E. Jacobs, Hengchun Mao, Vijayan J. Thottuvelil | 2000-03-14 |
| 6038151 | Switching network and method of reducing input current total harmonic distortion for a boost converter | Hengchun Mao | 2000-03-14 |
| 6026006 | Integrated three-phase power converter and method of operation thereof | Hengchun Mao | 2000-02-15 |
| 6002241 | Dual mode split-boost converter and method of operation thereof | Mark E. Jacobs, Hengchun Mao | 1999-12-14 |