发明名称 TERMINAL AUTHORIZATION METHOD
摘要 <p>A terminal apparatus for use in a cable television system which provides a plurality of channels capable of being tuned for display at a television receiver is provided. The apparatus includes a memory for storing data for generating a plurality of predetermined character screens and for storing deauthorization data, a character generator for generating character screens from the stored character screen data at the television receiver, a deauthorization mechanism responsive to the deauthorization data in the memory means for deauthorizing selected ones of the plurality of channels, and a controller for controlling the memory and the character generator, and for composing at least one predetermined character screen for display at the television receiver in accordance with the deauthorization of a channel by the deauthorization mechanism.</p>
申请公布号 WO1990013207(A1) 申请公布日期 1990.11.01
申请号 US1990002032 申请日期 1990.04.19
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