Method and circuit for adjusting background contrast in a...

Details Method and circuit for adjusting background contrast in a... Method and circuit for adjusting background contrast in a...

2007-01-02

2007-01-02

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S640000

Reexamination Certificate

active

10404207

ABSTRACT:
A method for adjusting the contrast of a background region in a display device is provided. A video signal for a background region is received in a background region mode. The gain of the video signal is adjusted responsive to a background region control signal thereby adjusting the contrast of the background region. The result is a high quality display device.

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English language abstract of Korean Publication No. P2000-0075867.
English language abstract of Japanese Publication No. 04014965.

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