Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-10-29
1992-06-09
Kostak, Victor R.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 12, H04N 704
Patent
active
051212048
ABSTRACT:
In a widescreen television signal processing system, side panel video information is scrambled prior to modulating an auxiliary subcarrier which is ultimately combined with main panel video information. In a preferred embodiment the scrambling process involves rotation of image line information about a pseudorandomly chosen cut-point.
REFERENCES:
patent: 4663659 (1987-05-01), Blatter
patent: 4855811 (1989-08-01), Isnardi
patent: 4959717 (1990-09-01), Faroudja
patent: 5010405 (1991-04-01), Schreiber et al.
Cila Benjamin J.
Dietrich Charles B.
Hurst, Jr. Robert N.
Koslov Joshua L.
General Electric Company
Herrmann Eric P.
Kostak Victor R.
Kurdyla Ronald H.
Tripoli Joseph S.
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