| Patents for G02B 26 - Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating (46,502) | |
|---|---|
| 01/1976 | |
| 01/06/1976 | US3931468 Method and a device for generating line rasters in an infra-red imaging system |
| 01/06/1976 | US3930715 Optical plasma devices |