| 发明名称 |
TELEVISION SCHEDULE SYSTEM WITH ACCESS CONTROL |
| 摘要 |
The present invention is directed to a television schedule system (1) with a user interface (38) which allows a user to control access to television programs by, time rating, content, and/or channel. Furthermore, the user may set a limit on pay- per-view (PPV) spending to limit the purchase of PPV programs. |
| 申请公布号 |
CA2255690(C) |
申请公布日期 |
2005.01.11 |
| 申请号 |
CA19972255690 |
申请日期 |
1997.05.23 |
| 申请人 |
STARSIGHT TELECAST, INCORPORATED |
发明人 |
CASEMENT, MARCY;BURGESS, ANDREW;FOLKER, DAVID |
| 分类号 |
H04N5/445;H04N5/76;H04N7/088;H04N7/10;H04N7/16;H04N21/41;H04N21/442;H04N21/45;H04N21/454;H04N21/472;H04N21/475 |
主分类号 |
H04N5/445 |
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