Multi-point video conference system wherein each terminal compri

Details Multi-point video conference system wherein each terminal compri Multi-point video conference system wherein each terminal compri

1993-12-21

1995-08-29

Groody, James J.

Television

Two-way video and voice communication

User positioning

348 16, H04N 715

Patent

active

054464919

ABSTRACT:
A multi-point video conference system includes a plurality of terminals and a network. Each terminal includes a coder to code and to packetize at least a motion picture in a block unit and a multi-point video decoder to sequentially receive and to decode packets sent from decoders at other points. The decoder includes a video processor to process video information in a time sharing manner, a channel selection controller to decide a transmission source of a received packet according to information of the packet and to notify the source to the video processor, a shared frame memory to store therein video information from the plural terminals, and a display frame memory to output therefrom the video information in a synchronous fashion.

REFERENCES:
patent: 5001702 (1991-03-01), Teraslinna et al.
patent: 5157491 (1992-10-01), Kassatly
patent: 5231492 (1993-06-01), Dangi et al.
patent: 5371535 (1994-12-01), Takizawa

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