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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0589205 (1990-09-28) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 441 인용 특허 : 0 |
An interactive videotex system with distributed processing and storage of video picture information in nodes disposed throughout a cable television distribution system. The nodes are coupled to the feeder cable of the cable distribution system. Each node in the system receives a substantially identi
An interactive videotex system with distributed processing and storage of video picture information in nodes disposed throughout a cable television distribution system. The nodes are coupled to the feeder cable of the cable distribution system. Each node in the system receives a substantially identical copy of the interactive video picture information and related data from a regional processing center. The users at home televisions associated with a particular node interact directly with the video picture information in that node, rather than with the information stored in the regional processing center or some other remote location, which enables the system to quickly display photographic quality images and complex graphics, as well as sound, at the user\s televisions in response to commands received by the users.
An interactive television information system for transmitting video picture information to home televisions coupled to a cable television distribution system, comprising: a regional processing center for assembling and processing said video picture information to be transmitted over said cable distr
An interactive television information system for transmitting video picture information to home televisions coupled to a cable television distribution system, comprising: a regional processing center for assembling and processing said video picture information to be transmitted over said cable distribution system; a headend for distributing cable television programming to subscribers of said cable distribution system; and at least one node coupled to said cable television distribution system for capturing and storing said processed and assembled video picture information, said video picture information including both still frame and full-motion video information, said node being associated with only a portion of said home televisions associated with said headend; wherein a cable television subscriber viewing one of said home televisions can display and interact with said video picture information stored in said associated node by communicating to said node, each of said nodes in said cable television distribution system containing a complete copy of said video picture information which said subscriber associated with said node can display and interact with, such that said subscriber interacts directly with said video picture information stored in said node, without accessing said video picture information stored in said regional processing center.
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