Planetarium projection system comprised of optical elements,computer programs, computers, computer peripherals and projectors; audio-visual systems for use in planetarium theaters comprised of video disc recorders and players, video tape recorders and players, audio disc recorders and players, audio tape recorders and players, audio mixers, audio speakers, digital sound sources,namely, prerecorded optical discs featuring music, audio processing control subsystem composed of amplifiers and lou...

Planetarium projection system comprised of optical elements, namely, projector lens, computer programs for the control and integration of text, audio, graphics, still images and moving pictures in planetariums, computers, computer peripherals and projectors; audio/visual systems for use in planetarium theaters comprised of video disc recorders and players, audio tape recorders and players, audio mixers, audio speakers, digital sound sources, namely, prerecorded optical discs featuring music, ...