Test signals and test signal generators

Details Test signals and test signal generators Test signals and test signal generators

1996-05-31

1999-02-16

Flynn, Nathan

Television

Monitoring, testing, or measuring

Test signal generator

348180, 348189, H04N 1700, H04N 1704

Patent

active

058725920

ABSTRACT:
A test pattern produced by a television signal generator includes picture elements derived at least substantially from helper lines, and vertically adjacent picture elements of substantially different luminance derived at least substantially from the main picture lines, so that the engineer can readily determine by visual inspection whether or not the helper lines are being decoded.

REFERENCES:
patent: 4635096 (1987-01-01), Morgan
patent: 5117483 (1992-05-01), Latshaw
patent: 5526057 (1996-06-01), Flannaghan

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