Setup level and dynamic range adjustment of an image display...

Television – Image signal processing circuitry specific to television – Gray scale transformation

Reexamination Certificate

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Reexamination Certificate

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07580081

ABSTRACT:
An image display apparatus includes an input range discriminator which discriminates a type of an input digital video signal, on the basis of a setup level and a dynamic range of the digital video signal; a signal processor which corrects the setup level and the dynamic range of the digital video signal, on the basis of a result of the discrimination made by the input range discriminator; and a display device which displays a picture based on the digital video signal corrected by the signal processor.

REFERENCES:
patent: 6657619 (2003-12-01), Shiki
patent: 6795053 (2004-09-01), Funamoto et al.
patent: 2002/0063788 (2002-05-01), Kurashige et al.
patent: 2004/0179132 (2004-09-01), Fujino et al.
patent: 2004/0252204 (2004-12-01), Kurane
patent: 2003-179778 (2003-06-01), None
patent: 2003-309741 (2003-10-01), None
patent: WO-0068926 (2000-11-01), None

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