Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8130215 | Logarithmic amplifier | — | 2012-03-06 |
| 8085359 | Folded backlight systems having low index regions that prevent light failing to meet total internal reflection conditions from entering a plate portion and liquid crystal displays using the same | Brent D. Larson | 2011-12-27 |
| 8044558 | Dimmable high pressure arc lamp apparatus and methods | — | 2011-10-25 |
| 7949198 | Fast response discrete time infinite impulse response (IIR) filter | — | 2011-05-24 |
| 7928665 | System and methods for dimming a high pressure arc lamp | Bruce Pitman | 2011-04-19 |
| 7888917 | Systems and methods for producing a substantially constant output voltage in a power source boost system | — | 2011-02-15 |
| 7773081 | Methods and apparatus for efficiently operating fluorescent lamps | — | 2010-08-10 |
| 7692388 | Methods and apparatus for reducing radio frequency emissions in fluorescent light lamps | — | 2010-04-06 |
| 7545197 | Anti-logarithmic amplifier designs | — | 2009-06-09 |
| 7436129 | Triple-loop fluorescent lamp driver | — | 2008-10-14 |
| 7372208 | Methods and apparatus for thermal management of fluorescent lamps | Bruce Pitman | 2008-05-13 |
| 7312780 | Fluorescent lamp driver system | Bruce Pitman | 2007-12-25 |
| 7250769 | Methods and apparatus for detecting leaks in fluorescent lamps | — | 2007-07-31 |
| 6118415 | Resonant square wave fluorescent tube driver | — | 2000-09-12 |
| 5612593 | Fluorescent tube thermal management system utilizing thermal electric cooler units | — | 1997-03-18 |