Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314002 | Voltage clamping system and method for a DC/DC power converter | Da Feng Weng | 2001-11-06 |
| 6184630 | Electronic lamp ballast with voltage source power feedback to AC-side | Gert W. Bruning | 2001-02-06 |
| 6107753 | Radio frequency electronic ballast with integrated power factor correction stage | — | 2000-08-22 |
| 6051936 | Electronic lamp ballast with power feedback through line inductor | — | 2000-04-18 |
| 5949199 | Gas discharge lamp inverter with a wide input voltage range | Fred C. Lee | 1999-09-07 |
| 5914572 | Discharge lamp driving circuit having resonant circuit defining two resonance modes | Fred C. Lee, Tokushi Yamauchi | 1999-06-22 |
| 5623187 | Controller for a gas discharge lamp with variable inverter frequency and with lamp power and bus voltage control | Paulo Caldeira, Lawrence Bourdillon, Antonius H. M. Holtslag | 1997-04-22 |