Method and circuit arrangement for clock synchronization in the

Details Method and circuit arrangement for clock synchronization in the Method and circuit arrangement for clock synchronization in the

1980-06-18

1981-11-24

Robinson, Thomas A.

Pulse or digital communications

Spread spectrum

Direct sequence

375 20, 375118, 375119, 370100, 371 42, 371 47, H04B 336, H04L 708

Patent

active

043028314

ABSTRACT:
A method and a circuit arrangement for clock synchronization in the transmission of digital information signals. In the four-wire type transmission of blocks of information signals on a two-wire transmission line it is determined, by phase comparison, whether the first bit in each block of signals (1) falls within a time interval derived from the bit clock signal of the local clock generator; (2) falls within an adjacent time interval or (3) falls within none of such time intervals. Depending upon the results of this comparison, the time relationships are left unchanged, the period of the clock generator is shortened or lengthened one or more times, or a one-time, initial phase equality is established.

REFERENCES:
patent: 3745248 (1973-07-01), Gibson
patent: 3959589 (1976-05-01), von Roesgen
patent: 4213007 (1980-07-01), Funk

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