Importance

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Abstract

A viewdata system and decoder apparatus for providing interactive communication between a host computer and a consumer which utilizes, without modification, a conventional television receiver. The system utilizes telephonic communication, the handset of a telephone being positioned upon an acoustic coupling arrangement of the housing of the decoder. The decoder automatically carries out logon and logoff procedures through the utilization of memory retained character sequence which are transmitted at predetermined rates. A small, hand-held keypad provides for user interaction with the host computer, such keypad being coupled with the decoder housing through an elongate cable.

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First Claim