Frame sync signal for digital transmission system

Television – Bandwidth reduction system – Format type

Patent

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Details

348495, H04N 724

Patent

active

056192690

ABSTRACT:
An ATV signal includes a field sync reference having a relatively long pseudo-random number symbol sequence followed by three relatively short pseudo-random number symbol sequences, with the middle of the three short pseudo-random number symbol sequences having inverted polarity in alternate fields.

REFERENCES:
patent: 5040063 (1991-08-01), Citta et al.
patent: 5063446 (1991-11-01), Gibson
patent: 5416524 (1995-05-01), Citta et al.
patent: 5438369 (1995-08-01), Citta et al.
patent: 5512957 (1996-04-01), Hulyalkar

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