Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9295121 | Circuit arrangement and method for operating and dimming at least one LED | — | 2016-03-22 |
| 8878462 | Circuit arrangement and method for operating at least one discharge lamp | — | 2014-11-04 |
| 8796941 | Method and circuit arrangement for operating at least one discharge lamp | Andreas Mitze | 2014-08-05 |
| 8098022 | Circuit configuration for operating at least one discharge lamp and method for generating an auxiliary voltage | — | 2012-01-17 |
| 6972531 | Method for operating at least one low-pressure discharge lamp | — | 2005-12-06 |
| 6717374 | Microcontroller, switched-mode power supply, ballast for operating at least one electric lamp, and method of operating at least one electric lamp | — | 2004-04-06 |
| 6310447 | Method for operating at least one fluorescent lamp, and electronic ballast therefor | — | 2001-10-30 |
| 5854538 | Circuit arrangement for electrode pre-heating of a fluorescent lamp | — | 1998-12-29 |
| 5705894 | Method for operating at least one fluorescent lamp with an electronic ballast, as well as ballast therefor | — | 1998-01-06 |
| 4996462 | Electronic ballast for fluoroscent lamps | — | 1991-02-26 |
| 4616158 | Arrangement for shutting off an inverter | Manfred Klamt | 1986-10-07 |
| 4547706 | Inverter with a load circuit containing a series oscillating circuit and a discharge lamp | — | 1985-10-15 |
| 4481460 | Inverter with charging regulator having a variable keying ratio | Armin Kroning, Max Kerscher | 1984-11-06 |