High speed multiplex data transmission system

Details High speed multiplex data transmission system High speed multiplex data transmission system

1960-04-12

1977-04-12

Birmiel, Howard A.

179 15AL, 179 41A, 325 53, H04J 600

Patent

active

040177998

ABSTRACT:
5. A high-speed data transmission system comprising a central station, a plurality of control positions connected to said central station, a transmitter connected to said central station, an individual mobile station for each of said positions, means at said central station for polling all of said control positions to find any one of said positions which is ready to transmit to its individual mobile station, means at said central station, responsive to the finding of a control position which is ready to transmit, for connecting it to said transmitter, means in a control position connected to a transmitter for selectively directing intelligence to its individual mobile station, timing means at said central station for directing a reply from a selectively addressed mobile station to its individual control position after a measured interval and means at said central station, responsive to the elapse of said interval and the non-reception of a replay by any control position from its individual mobile station, for connecting that control position to said transmitter preferentially.

REFERENCES:
patent: 3118018 (1964-01-01), Cornell et al.
patent: 3141928 (1964-07-01), Davey et al.

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