Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861717 | Lighting system for controlling the color temperature of artificial light under the influence of the daylight level | Simon H. A. Begemann, Gerrit J. Van Den Beld | 1999-01-19 |
| 5721471 | Lighting system for controlling the color temperature of artificial light under the influence of the daylight level | Simon H. A. Begemann, Gerrit J. Van Den Beld | 1998-02-24 |
| 5648656 | System to optimize artificial lighting levels with increasing daylight level | Simon H. A. Begemann, Gerrit J. Van Den Beld | 1997-07-15 |