| Fotogrammetrie oder Videogrammetrie | G01C 11/00 |
| Messen von Lichtparametern | G01J |
| Optische Abtastsysteme | G02B 26/10 |
| Lichtempfindliche Halbleiterbauelemente | H01L 31/00 |
| Photogrammetry or videogrammetry | G01C 11/00 |
| Measurement of characteristics of light | G01J |
| Optical scanning systems | G02B 26/10 |
| Semiconductor devices sensitive to light | H01L 31/00 |