353 / | HD | OPTICS: IMAGE PROJECTORS |
30 | COMPOSITE PROJECTED IMAGE {5} | |
31 | DF | .~> Multicolor picture {2} |
34 | DF | .~> Plural projection paths with single light source |
35 | DF | .~> Slides and/or film superposed in projector |
36 | DF | .~> Letters or numbers |
37 | DF | .~> Reflector between lamp and screen |