发明名称 |
Terminal authorization method |
摘要 |
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 for deauthoring 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.
|
申请公布号 |
USRE36988(E) |
申请公布日期 |
2000.12.12 |
申请号 |
US19930034747 |
申请日期 |
1993.03.18 |
申请人 |
SCIENTIFIC-ATLANTA, INC. |
发明人 |
JOHNSON, LEE R.;SMITH, ELIZABETH A.;MYERS, HOWARD L.;KUBAN, CURT M. |
分类号 |
H04N5/445;H04N7/088;H04N7/16;H04N7/167;H04N7/173;(IPC1-7):H04N7/10 |
主分类号 |
H04N5/445 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|