Radio conference system and terminal unit therefor

Details Radio conference system and terminal unit therefor Radio conference system and terminal unit therefor

1997-07-02

1999-06-22

Crosland, Donnie L.

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

455 63, 455 673, 455423, H04Q 900

Patent

active

059152117

ABSTRACT:
In a radio conference system of the present invention, a hub station 1 sends information to a plurality of terminal stations 2 while adding an error checking code thereto. The terminal stations 2 each sends, on detecting an error out of the information received from the hub station 1, a resend request signal including an ID (Identification) code assigned to the terminal station. The hub station 1 counts the number of times of receipt of the resend request signal on a terminal station basis. When the number of the resend request signals received from any one of the terminal stations 2 exceeds a preselected value, the hub station 1 displays alarm information indicative of the above terminal station.

REFERENCES:
patent: 4584684 (1986-04-01), Nagasawa et al.
patent: 4751633 (1988-06-01), Henn et al.
patent: 5163055 (1992-11-01), Lee et al.
patent: 5664091 (1997-09-01), Keen

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