74193816
Aug 12, 1991
Jan 12, 1993
computer hardware and software for transmitting still and moving video pictures and communications and control signals through telephone cables; computer hardware and software for providing communications, automation, and control between a data transmitter and a receiver by means of telecommunications networks such as telephones; and video systems comprised in whole or in part of video signal transmitters and receivers, interface units, interactive units, modulators, demodulators, buses, controllers, tuners, recorders, cameras, video and compact disk players, racks, adaptors, power supplies, wires, relays, jacks, ports, cables, connectors, cards, video, audio and data signal links and terminals
Electrical and Scientific Apparatus