Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835666 | Noise detection circuit | Juergen Stahl, Thomas Duerbaum, Alexander Pawellek, Jens Goettle, Hans Halberstadt +1 more | 2017-12-05 |
| 9722484 | Noise filtering | Juergen Stahl, Thomas Duerbaum, Jens Goettle, Alexander Pawellek, Hans Halberstadt +1 more | 2017-08-01 |
| 9506969 | Noise sensor | Juergen Stahl, Jens Goettle, Thomas Duerbaum, Alexander Pawellek, Hans Halberstadt +1 more | 2016-11-29 |
| 9429611 | Noise sensor | Juergen Stahl, Alexander Pawellek, Markus Schmid, Thomas Duerbaum, Johann Baptist Daniel Kuebrich +3 more | 2016-08-30 |
| 9408277 | Control circuit for a phase-cut dimmer and a method of controlling a phase-cut dimmer | — | 2016-08-02 |
| 8963431 | Circuit for driving LEDs | Arjan Van Den Berg, Jie Chen, Wihelmus Hinderikus Maria Langeslag, Dirk W. J. Groeneveld | 2015-02-24 |
| 8766672 | Electronic switching device | — | 2014-07-01 |
| 6489754 | Switched mode power supply having a boost converter operatively combined with a flyback converter | — | 2002-12-03 |
| 6437994 | LLC converter includes a current variation detector for correcting a frequency adjusting control signal of an included difference detector | Age Jochem Van Dalfsen | 2002-08-20 |
| 6294882 | Circuit arrangement with improved power-factor for feeding a discharge lamp | — | 2001-09-25 |
| 6005353 | Commutator for a discharge lamp having mutually coupled inductors | — | 1999-12-21 |
| 5841245 | Discharge lamp ignition circuit having a bandpass filter connecting the pulse transformer to the lamp | Frans Slegers | 1998-11-24 |
| 5608293 | Lamp circuit arrangement for controlling current flow through switching element | — | 1997-03-04 |
| 5534753 | High-pressure discharge lamp igniting circuit in which the voltage-raising network includes inductors | Frans Slegers | 1996-07-09 |
| 5517088 | Universal ignition circuit for high pressure discharge lamps | — | 1996-05-14 |
| 5235255 | Switching circuit for operating a discharge lamp with constant power | — | 1993-08-10 |