Apparatus for comparing two binary signals

Details Apparatus for comparing two binary signals Apparatus for comparing two binary signals

1974-08-23

1976-03-30

Gruber, Felix D.

Registers

Transfer mechanism

Traveling pawl

235 92CA, 235 92SH, 23515053, 3401462, G06F 702, G06F 1534

Patent

active

039476731

ABSTRACT:
In known correlation apparatus for identifying the delay between two signals, the current polarity of the lagging signal is repeatedly compared with sets of successively earlier samples of the polarity of the leading signal which are temporarily stored in a binary word register, the results are counted for each digit position of the word, and a signal is generated indicating the position for which the count first reaches a given value. Such apparatus is improved by using as the register a plurality of serially connected shift registers which are operated at different integrally related speeds.

REFERENCES:
patent: 3725689 (1973-04-01), Kautz
patent: 3777133 (1973-12-01), Beck et al.
patent: 3819919 (1974-06-01), McGunigle

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