Digital relay systems

Details Digital relay systems Digital relay systems

1978-10-11

1980-11-18

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

455 8, 340147SC, 371 8, H04K 100

Patent

active

042349567

ABSTRACT:
In a digital relay system, a standby channel is arranged to replace any one of five main channels. The standby channel contains a variable delay, and the data from the main channel to be replaced is passed along the standby channel prior to the changeover and is brought into synchronism with the data in the respective main channel by automatically controlling the length of the delay introduced by the variable delay arrangement, so that there is no slip or break in the data of the switched channel.

REFERENCES:
patent: 3072748 (1963-01-01), Abraham
patent: 3681694 (1972-08-01), Sarati
patent: 4052670 (1977-10-01), Watanabe et al.

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