74065283
Jun 4, 1990
Feb 4, 1992
video disc players, video dics recorders, electric signal processors for use with video disc players and video disc recorders, remote control units for video disc players, video disc recorders and electric signal processors for use therewith; unrecorded video discs; prerecorded video discs used for data storage of picture images, billboard systems, information systems, presentation systems, archive systems, broadcast systems and training systems
Electrical and Scientific Apparatus