74309192
Aug 31, 1992
Aug 24, 1993
integrated computerized, electronic system comprised of cardframes, control cards, floppy disk drives, slide controller, television control manager, master-post expander, wireless receivers, wired control panels, software panels, data signal modulator, infared enmitted cable, power controller, dual power controller, relay controller, receiver module, extended range antenna, relay receiver, incadescent dimmer module, wireless single projector control, wireless dual projector control and related software for use in accessing and controlling slide projectors, video projectors, compact disc players, projection screens, lighting systems and other related audio/video equipment
Electrical and Scientific Apparatus