| 6380679 |
Short-arc discharge lamp with a starting antenna |
Dieter Leers, Martin Ossmann, Johannes Martinus De Regt, Gunther Hans Derra, Hubertus C. M. Van Den Nieuwenhuizen |
2002-04-30 |
| 6157129 |
Discharge lamp |
Bernd Rausenberger, Dieter Leers, Horst Dannert, Martin Ossmann |
2000-12-05 |
| 6147457 |
Incandescent lamp with continuous high-frequency oscillations |
Ulrich Böke, Bernd Hofmann |
2000-11-14 |
| 6111765 |
Discharge lamp operating circuit using piezoelectric transformer and protective device |
Hans G. Ganser, Dieter Leers, Martin Ossmann, Pieter Postma |
2000-08-29 |
| 6104141 |
Inventer-ballast using a piezoelectric transformer |
Hans G. Ganser, Dieter Leers, Martin Ossmann, Pieter Postma |
2000-08-15 |
| 5962954 |
Piezo-electric transformer |
Dieter Leers |
1999-10-05 |
| 4794274 |
Circuit arrangement for removing carriers in a transistor |
— |
1988-12-27 |
| 4598349 |
Electronic transformer composed of flyback converters |
— |
1986-07-01 |
