| 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 |