Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8138682 | Symmetrical RF power supply for inductively coupled electrodeless lamps | Valery Godyak, Felix Franck | 2012-03-20 |
| 6323600 | Process for generating voltage pulse sequences and circuit assembly therefor | Alwin Veser, Bernhard Ertl | 2001-11-27 |
| 5962987 | Operating circuit for an electrodeless low-pressure discharge lamp | — | 1999-10-05 |
| 5714846 | Minimum harmonic distortion operating circuit for at least one low-pressure discharge lamp | Erhard Rasch | 1998-02-03 |
| 5521467 | High power factor, high-frequency operating circuit for a low-pressure discharge lamp | Gunther Loehmann | 1996-05-28 |
| 4792887 | Regulated rectifier d.c. power supply | Franz Bernitz, Frank Hansmann | 1988-12-20 |
| 4775822 | Power network fluorescent lamp operating circuit | Wolfgang Tausch, Water Hirschmann | 1988-10-04 |
| 4647817 | Discharge lamp starting circuit particularly for compact fluorescent lamps | Hans-Jurgen Fahnrich, Ulrich Roll | 1987-03-03 |