Automatic delay compensator

Details Automatic delay compensator Automatic delay compensator

1973-08-06

1976-06-08

Griffin, Robert L.

Telegraphy

Systems

Printing

325 58, 179 15BS, 178 695DC, H04B 720

Patent

active

039626342

ABSTRACT:
An apparatus for automatically maintaining constant the transmission time lay between a transmitter and receiver, given variations due to transmission path length or clock drift. A received signal is shifted a predetermined number of stages into a shift register before synchronization, and thereafter stages are added or subtracted as needed to maintain synchronization despite changes in transmission time delay.

REFERENCES:
patent: 3042751 (1962-07-01), Graham
patent: 3085200 (1963-04-01), Goodall
patent: 3188569 (1965-01-01), Mahony
patent: 3195048 (1965-07-01), Adams et al.
patent: 3306978 (1967-02-01), Simmons et al.
patent: 3320611 (1967-05-01), Sekimoto et al.
patent: 3418579 (1968-12-01), Hultberg
patent: 3430237 (1969-02-01), Allen
patent: 3551813 (1970-12-01), Kaneko
patent: 3611435 (1971-10-01), Cooper
patent: 3641274 (1972-02-01), Sasaki et al.
patent: 3721767 (1973-03-01), LaMarche et al.

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