Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9591704 | Current demand control of lighting modules | Richard Dilger | 2017-03-07 |
| 9578702 | Synchronized PWM-dimming with random phase | Bernhard Siessegger | 2017-02-21 |
| 8669707 | Electronic control gear for operating at least one LED and/or at least one discharge lamp | Maximilian Gerber, Siegfried Mayer, Arwed Storm | 2014-03-11 |
| 8134297 | Ballast for a discharge lamp with adaptive preheating | Olaf Busse, Markus Heckmann, Alfons Lechner, Siegfried Mayer, Thomas Pollischansky +7 more | 2012-03-13 |
| 7786683 | Circuit arrangement and method for operating at least one electric lamp and at least one LED | Olaf Busse, Markus Heckmann, Alfons Lechner, Siegfried Mayer, Thomas Pollischansky +7 more | 2010-08-31 |
| 7573201 | Dielectric barrier discharge lamp having pluggable electrodes | Georg Bschorer, Hans-Gerhard Burzele, Andreas Lochschmidt | 2009-08-11 |
| 7327094 | Circuit arrangement and method for operating at least one electric lamp | Olaf Busse, Markus Heckmann, Alfons Lechner, Siegfried Mayer, Thomas Pollischansky +7 more | 2008-02-05 |
| 7309963 | Smoothing circuit for improving EMC | Olaf Busse, Markus Heckmann, Alfons Lechner, Siegfried Mayer, Thomas Pollischansky +7 more | 2007-12-18 |
| 7274578 | Converter circuit having class E converter modules | Wolfram Sowa | 2007-09-25 |
| 7095184 | Electronic ballast for a lamp to be operated using iterative voltage pulses | Harald Dellian, Oskar Schallmoser | 2006-08-22 |
| 7046512 | Operating circuit for a lamp with a heat sink | Oskar Schallmoser | 2006-05-16 |
| 7045970 | Electronic ballast for a lamp to be operated with iterative voltage pulses | Oskar Schallmoser | 2006-05-16 |
| 7042166 | Circuit arrangement for operating electric lamps | Oskar Schallmoser | 2006-05-09 |
| 6734841 | Color display having sequential primary color generation | Michael Seibold, Udo Custodis | 2004-05-11 |
| 6340862 | Fluorescent lamp with luminescent material layer thickness according to the geometrical discharge distribution | Hermann Schweizer, Michael Seibold | 2002-01-22 |
| 5995369 | Cooling plate connecting clip for power semiconductors | Theodor Kiermeier | 1999-11-30 |
| 5896288 | Converter housing | Theodor Kiermeier | 1999-04-20 |
| D407069 | Housing for a lamp operation circuit | Theodor Kiermeier | 1999-03-23 |
| 5828188 | Over temperature protection circuit having plural thermal components | — | 1998-10-27 |
| 5783982 | Transformer with cap over windings | — | 1998-07-21 |
| 5740021 | Switching power supply for the operation of electric lamps | Franz Raiser | 1998-04-14 |
| D392257 | Housing for a lamp operation circuit | Theodor Kiermeier | 1998-03-17 |