发明名称 |
Presentation player |
摘要 |
The present invention relates to a presentation player which is utilized in a digital, interactive communication system accessible to a plurality of subscribers who can select any of a plurality of pre-recorded video/audio presentations for viewing on their television sets. The presentation player includes a converter which is tuned to a channel for monitoring a digital stream of information including digital packets representative of the video/audio presentations selected by subscribers. These digital packets of information include an address assigned to the particular requesting subscriber. In accordance with this addressing information, a controller distributes the digital packet of information to one of a plurality of subscriber servers housed within the presentation player. The subscriber server receiving the uniquely addressed digital packets converts the packet into an NTSC-compatible analog formatted video/audio presentation for transmission to the requesting subscriber.
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申请公布号 |
US4829372(A) |
申请公布日期 |
1989.05.09 |
申请号 |
US19870087668 |
申请日期 |
1987.08.20 |
申请人 |
TELACTION CORPORATION |
发明人 |
MCCALLEY, KARL W.;WILSON, STEVEN D.;FISCHER, JAMES L. |
分类号 |
H04H20/38;H04H20/78;H04H60/15;H04M11/00;H04N7/173;H04N21/475 |
主分类号 |
H04H20/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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