ELMO

video cameras, CCD cameras, [ motion picture projectors, slide projectors, overhead projectors; ] program controlled multi-image display systems comprising computer-controlled programmers, [ slide projectors, ] audio recorders, [ encorders, synchronizers, ] control panels and consoles; audio-visual display systems comprising [ sixteen millimeter projectors, eight millimeter projectors, overhead projectors, ] television receivers, video cameras, [ video tape recorders, ] video disc players, amplifiers and speakers