74284516
Jun 15, 1992
computer based survey and communication system consisting of a central unit which communicates and receives information via cable television, radio broadcast or telephone line to and from remote portable units, consisting of a display monitor, a central processing unit and a user keypad
Electrical and Scientific Apparatusproviding information to clients based on the collection, recording, measuring and analysis of information through a computer based survey and communication system; and designing, implementing and maintaining custom computer based survey or communication systems made to the order and/or specifications of others
Telecommunications