Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8193728 | Circuit arrangement and method for operating a high-pressure discharge lamp | — | 2012-06-05 |
| 7839093 | Circuit arrangement with continuously oscillating modulated operating frequency, and method, for the operation of high-pressure gas discharge lamps | Thomas Rossmanith | 2010-11-23 |
| 7388335 | Apparatus for providing a sinusoidally amplitude-modulated operating voltage, lighting system and method for generating an amplitude-modulated voltage | — | 2008-06-17 |
| 7129649 | Ballast with braking inductance | — | 2006-10-31 |
| 6922114 | Operating method and system for the resonant operation of high-pressure lamps in longitudinal mode | Klaus Stockwald | 2005-07-26 |
| 6891337 | Lighting system | Andreas Huber, Walter Limmer, Peter Niedermeier | 2005-05-10 |