photographic cameras; video cameras; camera tripods; strobes for cameras; slide projectors; motion picture cameras, telescopes; binoculars; magnifying glasses; microscopes; eyeglasses; sunglasses; telephones; facsimile machines; television sets; radios; portable telephones; radio pagers; transceivers; musical juke boxes; audio tape recorders; phonograph record players; compact disc and laser disc players; video game machines for use with televisions, video tape recorders; audio speakers; ante...