Multipoint teleconference system employing communication channel

Details Multipoint teleconference system employing communication channel Multipoint teleconference system employing communication channel

1992-07-15

1994-11-15

Kuntz, Curtis

Television

Two-way video and voice communication

User positioning

348 14, 348 16, 348 17, 348 19, H04N 142, H04N 714

Patent

active

053652657

ABSTRACT:
A multipoint teleconference system dispensing with an MCU, in which terminals are connected into a loop configuration through an ISDN in such a way that each terminal is coupled with each of the adjacent terminals by a single B channel. Thus, a communication frame is revolved through a looped communication channel. Each terminal renews video data which is contained in an allotted area within the received communication frame and which was transmitted by the terminal itself, and it relays the resulting communication frame to the next terminal.

REFERENCES:
patent: 4289932 (1981-09-01), Reed
patent: 4531024 (1985-07-01), Colton et al.
patent: 4574374 (1986-03-01), Scordo
patent: 4650929 (1987-03-01), Boerger et al.
patent: 4710917 (1987-12-01), Tompkins et al.
patent: 4847829 (1989-07-01), Tompkins et al.

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