Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8754582 | Detector circuit and method for actuating a fluorescent lamp | Richard Pfaller | 2014-06-17 |
| 8736188 | Detector circuit and method for controlling a fluorescent lamp | Richard Pfaller | 2014-05-27 |
| 8624448 | Electrodynamic linear oscillating motor | Gunter Kaiser | 2014-01-07 |
| 8169149 | Circuit arrangement and method for the operation of at least one discharge lamp | — | 2012-05-01 |
| 6717371 | Ballast for operating at least one low-pressure discharge lamp | Rene Twardzik | 2004-04-06 |
| 6288500 | Circuit arrangement for detecting rectification of discharge lamps | — | 2001-09-11 |
| 5066894 | Electronic ballast | — | 1991-11-19 |