Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8110998 | Multi-pulse ignition circuit for a gas discharge lamp | Christofher Daniel Charles Hooijer, Thijs Oosterbaan, Johannis Antonie Amerens Toonen | 2012-02-07 |
| 6646392 | Circuit arrangement for operating a discharge lamp | — | 2003-11-11 |
| 6028401 | Ignition scheme for a high pressure discharge lamp | Hendrik J. Blankers | 2000-02-22 |
| 5942953 | Oscillation circuit driven alternately by two different square wave periodic signals having different half cycle durations | Bernardus J. Ter Bogt | 1999-08-24 |
| 5841245 | Discharge lamp ignition circuit having a bandpass filter connecting the pulse transformer to the lamp | Anton Cornelis Blom | 1998-11-24 |
| 5828186 | Ignition scheme for a high pressure discharge lamp | Hendrik J. Blankers, Nicolaas De Jong | 1998-10-27 |
| 5534753 | High-pressure discharge lamp igniting circuit in which the voltage-raising network includes inductors | Anton Cornelis Blom | 1996-07-09 |
| 5406174 | Discharge lamp operating circuit with frequency control of dimming and lamp electrode heating | — | 1995-04-11 |
| 4660139 | Generator for generating a high d.c. voltage | Johannes H. M. Nellen, Johannes H. B. Otten, Johannus W. G. Kole | 1987-04-21 |