Apparatus for scrambling side panel information of a wide aspect

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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Details

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.

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