FIFTY CYCLE

cameras of using optical principal, camera doubling lens, tripods for cameras, lens for cameras, video cassette recorders, laser disc players, laser disc Chinese caption apparatus, image dividers for video recorders, image selectors for video recorders, television cameras of using electronic principal for surveilling to guard against burglary, monitors for closed circuit television, television sets, apparatus for television remote-controlled conference, color-image optical fiber communication apparatus; telephone apparatus, namely, intercoms; digital/analog converters, analog/digital converters, signal transmitters, radio-relay transmitters, radio-relay receivers