Method of scrambling PAL, SECAM and NTSC composite video signals and decoder of signals scrambled by this method

United States of America Patent

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Jan 5, 1993
Grant Date
N/A
app pub date
Jul 30, 1991
filing date
Dec 23, 1988

priority date (Note)
Expired

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Abstract

The method of the invention consists in shifting (a) the start of the scrambled section of a composite video line of a television image with respect to the start of the useful part of that line.

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Patent Owner(s)

Patent Owner	Address
LABORATOIRE EUROPEEN DE RECHERCHES ELECTRONIQUES AVANCEES	COURBEVOIE

International Classification(s)

H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Daniel, Patrick	Strasbourg, FR	30	278
Guillon, Jean-Claude	Gerstheim, FR	9	131

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Method of scrambling PAL, SECAM and NTSC composite video signals and decoder of signals scrambled by this method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07566346

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PATENT NO	5177485
SERIAL NO	07566346
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07566346

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