A microprocessor control controls the operation of a color video printer to produce color photographic copies from color video images. The printer includes a monochrome cathode ray tube (CRT) and an exposure station which is located along an optical path from the CRT and at which is positioned self-processing...http://www.google.de/patents/US4685000?utm_source=gb-gplus-sharePatent US4685000 - Inhibition of exposure in a video printer upon loss of color filter sync
