Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8134297 | Ballast for a discharge lamp with adaptive preheating | Olaf Busse, Markus Heckmann, Reinhard Lecheler, Alfons Lechner, Siegfried Mayer +7 more | 2012-03-13 |
| 7863830 | Electronic ballast and method for operating an electric lamp | Bernhard Schemmel | 2011-01-04 |
| 7786683 | Circuit arrangement and method for operating at least one electric lamp and at least one LED | Olaf Busse, Markus Heckmann, Reinhard Lecheler, Alfons Lechner, Siegfried Mayer +7 more | 2010-08-31 |
| 7327094 | Circuit arrangement and method for operating at least one electric lamp | Olaf Busse, Markus Heckmann, Reinhard Lecheler, Alfons Lechner, Siegfried Mayer +7 more | 2008-02-05 |
| 7309963 | Smoothing circuit for improving EMC | Olaf Busse, Markus Heckmann, Reinhard Lecheler, Alfons Lechner, Siegfried Mayer +7 more | 2007-12-18 |