Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7821799 | Ripple reduction for switch-mode power conversion | — | 2010-10-26 |
| 7459893 | Optimal feedback control of switch-mode power converters | — | 2008-12-02 |
| 7092259 | Active clamp DC/DC converter with resonant transition system | — | 2006-08-15 |
| 6903944 | Active clamp DC/DC converter with resonant transition system | — | 2005-06-07 |
| 6882548 | Auxiliary active clamp circuit, a method of clamping a voltage of a rectifier switch and a power converter employing the circuit or method | Subarna Pal, John F. Steel | 2005-04-19 |
| 6822882 | Gate driver with a DC offset bias circuit and a power converter employing the same | Subarna Pal, John F. Steel | 2004-11-23 |
| 6646895 | Bias supply circuit and a switching power supply employing the same | Robert John Murphy, Ramanujam Ramabhadran, Thomas Gang Wang, Shashank Wekhande | 2003-11-11 |
| 6606258 | Voltage reference translation system and an electronic circuit employing the same | Thomas Gang Wang | 2003-08-12 |
| 6445597 | Local loop control system for a multiple output power converter | Jeffrey J. Boylan, Li-Chun Li | 2002-09-03 |
| 6400580 | System and method for reducing a DC magnetic flux bias in a transformer and power converter employing the same | Wayne C. Bowman, Allen F. Rozman | 2002-06-04 |
| 6396725 | System and method for improving control loop response of a power supply | Allen F. Rozman | 2002-05-28 |
| 6377476 | Protection circuit for active switches in clamp-mode topologies, and power converter employing the same | Simon Fraidlin, Allen F. Rozman, Vijayan J. Thottuvelil | 2002-04-23 |
| 6356461 | Transformer flux observer for a full bridge power converter and method of operation thereof | — | 2002-03-12 |
| 6351396 | Method and apparatus for dynamically altering operation of a converter device to improve conversion efficiency | — | 2002-02-26 |
| 6288920 | Drive compensation circuit for synchronous rectifier and method of operating the same | Allen F. Rozman | 2001-09-11 |
| 6249447 | System and method for determining output current and converter employing the same | Jeffrey J. Boylan, Allen F. Rozman | 2001-06-19 |
| 6243278 | Drive circuit for synchronous rectifier and method of operating the same | — | 2001-06-05 |
| 6201719 | Controller for power supply and method of operation thereof | Jin He | 2001-03-13 |
| 6188586 | Asymmetrical half-bridge power converter having reduced input ripple and method of manufacturing the same | Richard W. Farrington, Rui Liu, Vijayan J. Thottuvelil | 2001-02-13 |
| 6178098 | Phase-shifted post-regulator, method of operation thereof and power converter employing the same | Jin He | 2001-01-23 |
| 6122183 | Two-stage, three-phase boost converter with reduced total harmonic distortion | Jin He | 2000-09-19 |
| 6094087 | Gate drive circuit for isolated gate devices and method of operation thereof | Jin He, Kamakshi Sridhar | 2000-07-25 |
| 6091616 | Drive compensation circuit for synchronous rectifier and method of operating the same | Allen F. Rozman | 2000-07-18 |
| 6075716 | Two-stage, three phase boost converter with reduced total harmonic distortion | Jin He | 2000-06-13 |
| 6055166 | Low trickle current startup bias circuit and method of operation thereof | Yimin Jiang, Vijayan J. Thottuvelil | 2000-04-25 |