74005206
Nov 27, 1989
Oct 29, 1991
REMOTE CONTROL ENTERTAINMENT SYSTEMS CONSISTING OF A COMPUTER FOR CONTROLLING AUDIO, VIDEO AND LIGHTING SYSTEMS, DRAPERIES AND HOME APPLIANCES; ZONE AND ROOM CONTROLS; AUDIO/VIDEO MULTIPLEXER; WALL KEYPADS; AND HAND-HELD REMOTE CONTROL UNITS
Electrical and Scientific Apparatus