Apparatus and method for controlling display brightness in...

Details Apparatus and method for controlling display brightness in... Apparatus and method for controlling display brightness in...

2011-08-23

2011-08-23

Kostak, Victor (Department: 2422)

Television

Image signal processing circuitry specific to television

Brightness control

C348S797000, C345S063000

Reexamination Certificate

active

08004612

ABSTRACT:
An inputted picture signal is stored in an image memory into which a picture signal for at least one frame period can be written, while rewriting the memory. At a plurality of timings within one frame period, an average brightness calculation unit calculates an average brightness from the picture signal written into the image memory, and a brightness control unit performs brightness control of the picture signal read from the image memory based on the calculated average brightness.

REFERENCES:
patent: 5949494 (1999-09-01), Yamagata et al.
patent: 2004/0233229 (2004-11-01), Kimura
patent: 2005/0093886 (2005-05-01), Kubota
patent: 2005/0206588 (2005-09-01), Min et al.
patent: 2007/0047034 (2007-03-01), Ogata et al.
patent: 9-281927 (1997-10-01), None
patent: 2001-175220 (2001-06-01), None

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