Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715879 | Apparatus and method for a projection device wherein the polarization direction of projected light on a transmissive projection screen is changed by means of an adjustable liquid crystal device | — | 2004-04-06 |
| 6702446 | Projection display device | Gerardus Johannes Josephus Vanlier | 2004-03-09 |
| 6631995 | Method of and device for generating an image having a desired brightness | Douglas A. Stanton, Martinus V. C. Stroomer | 2003-10-14 |
| 6597501 | Projection screen | Nicolaas Lambert, Dirk Jan Broer | 2003-07-22 |
| 6578968 | Image projection system having an extra optical system for at least partly re-illuminating the image display system | Serge Bierhuizen | 2003-06-17 |
| 6540359 | Image projection system | Hugo Johan Cornelissen | 2003-04-01 |
| 6522470 | Method for adjusting color balance of white portion of an image | Steven Jan Willem Van Lerberghe | 2003-02-18 |
| 6450649 | Color projection system | — | 2002-09-17 |
| 6429973 | Method and device for adjusting a desired white color on a part of an image | Steven Jan Willem Van Lerberghe | 2002-08-06 |
| 5879067 | Image projection system | — | 1999-03-09 |