TV SIGNAL WITH COMPRESSED AUXILIARY SIGNAL HAVING HIGH FREQUENCY IMAGE INFORMATION

New Zealand Patent

APP PUB NO NZ-226149-A
SERIAL NO

22614988

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Abstract

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An NTSC compatible, single channel widescreen EDTV system encodes and decodes a television signal comprising (1) a main, standard format NTSC signal (N) with auxiliary low frequency side panel image information compressed into a overscan region thereof; (2) auxiliary high frequency side panel image information (X); and (3) auxiliary high frequency horizontal luminance information (Z). High frequency components (2) and (3) are subjected to non-linear amplitude companding (2410, 1412), with large amplitude compression at an encoder and inverse amplitude expansion (1326) at a decoder.

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Patent Owner(s)

Patent OwnerAddress
GEN ELECTRICNot Provided

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Inventor(s)

Inventor Name Address
FUHRER JACK SELIG 3668 CARMEL DRIVE CARMEL INDIANA UNITED STATES OF AMERICA

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