Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1984-09-05
1987-03-17
Griffin, Robert L.
Pulse or digital communications
Spread spectrum
Direct sequence
375107, 375109, 455 8, 455 51, H04L 700
Patent
active
046513302
ABSTRACT:
The node of a point to multipoint data telecommunications system needs a receive clock to regenerate the data. The conventional method of regenerating the clock from received signals is difficult because there are gaps when no outstation is active. The invention reduces these problems by synchronizing the receive clock with the master send clock when there is no reception.
REFERENCES:
patent: 2782314 (1957-02-01), Miller
patent: 4251801 (1981-02-01), Le Mair
patent: 4308505 (1981-12-01), Messerschmitt
patent: 4308613 (1981-12-01), Chasek
patent: 4369515 (1983-01-01), Valdes
British Telecommunications public limited company
Griffin Robert L.
Huseman M.
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