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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0754932 (1991-09-10) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 369 인용 특허 : 0 |
An interactive multimedia system with distributed processing and storage of video picture information and associated data and sound 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
An interactive multimedia system with distributed processing and storage of video picture information and associated data and sound 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 users\televisions in response to commands received by the users. The nodes can also be used for decompressing compressed television programming and distributing the decompressed programming to home televisions connected to the system.
A system for transmitting video picture information to home televisions coupled to a cable television distribution system, comprising: means for distributing compressed video picture information over said cable television distribution system in channel space unoccupied by non-compressed television p
A system for transmitting video picture information to home televisions coupled to a cable television distribution system, comprising: means for distributing compressed video picture information over said cable television distribution system in channel space unoccupied by non-compressed television programming; and at least one node coupled to said cable television distribution system and associated with a portion of said home televisions coupled to said cable television distribution system for decompressing, in real time, said compressed video picture information transmitted over said cable television distribution system, said decompressed video picture information being distributed, upon demand, to subscribers of said cable television distribution system viewing said home televisions associated with said node, said decompressed video picture information including full-motion video information; wherein the subscriber viewing one of said home televisions can communicate, to said node associated therewith, a request for selected video picture information which has been decompressed at the associated node, the associated node including: (i) means for dynamically assigning one of a plurality of channels to said subscriber requesting said selected video picture information; and (ii) means for transmitting said selected video picture information to said home television of the requesting subscriber over the assigned channel.
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