The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 24, 2012

Filed:

Jan. 17, 2008
Applicant:

Shigeki Kamimura, Tsurugashima, JP;

Inventor:

Shigeki Kamimura, Tsurugashima, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/202 (2006.01); H04N 9/64 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment, a gamma correction circuit including a serial storage unit which serially stores first and second parameter information in a storage area, a first parallel storage unit which parallelly stores the first parameter information in the storage area, a second parallel storage unit, a gamma correction unit which receives a video signal and which performs gamma correction to the video signal based on the first or second parameter information, and a control unit which serially reads the first or second parameter information, parallelly stores the information in the first or second parallel storage units, parallelly reads the first or second parameter information, supplies the information to the gamma correction unit, and performs gamma correction to the video signal based on the first or second parameter information.


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