Compatible wide-screen color television system

Details Compatible wide-screen color television system Compatible wide-screen color television system

1982-02-18

1985-11-05

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 20, H04N 591, H04N 9535

Patent

active

045517541

ABSTRACT:
A wide-angle television system, such as one having 2:1 or 5:3 aspect ratios, transmits end portions that exceed the limits of a conventional 4:3 aspect ratio picture in regions that are normally hidden from view in a conventional receiver. Thus the system is compatible with such a receiver. These regions can comprise the overscan region, blanking intervals, high frequency portions of a chroma signal, etc. Time compression of the end portions can also be used. At a wide-angle receiver, inverse processing is used to reassemble a wide-angle picture.

REFERENCES:
patent: 3097262 (1963-07-01), Ehrenhaft
patent: 3908083 (1975-09-01), Hiraki
patent: 4028726 (1977-06-01), Argy
patent: 4134128 (1979-01-01), Hurst
patent: 4216492 (1980-08-01), Schmalz
patent: 4282546 (1981-08-01), Reitmeier

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