System for high accuracy remote decoding

Details System for high accuracy remote decoding System for high accuracy remote decoding

1984-09-04

1986-09-23

Safourek, Benedict V.

Pulse or digital communications

Spread spectrum

Direct sequence

375115, 3401462, H04L 704

Patent

active

046139800

ABSTRACT:
An encode-decoder system for generating highly accurate, coinciding synchronizing signals at each of plural separated locations; for example, a system generating start signals for a seismic data acquisition system. The system transmits psuedo random code data over selected communication link to a respective position decoder which samples the incoming code and compares it with a standard code. If there can be established a predetermined number of successive code matches, an output start signal is enabled when the code match count first peaks and then decreases.

REFERENCES:
patent: 3537069 (1970-10-01), Van de Houten
patent: 4112498 (1978-09-01), Reiner et al.

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