(under subclass 30) Subject matter including a mirror or reflecting prism positioned between the light source and the viewing screen to direct light along the optical path.
SEE OR SEARCH THIS CLASS, SUBCLASS:
33, for a composite projector for multicolor pictures which includes a prism.
67, for a cabinet-type projector for projecting an image of an opaque object, wherein the projector includes a reflector.
72, for a projector and a screen in a housing which is open during projection wherein the housing includes a reflector.
77, for a cabinet-type projector having a reflector.
81, for a projector with a prism. 98, for a projector with a reflector.
