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:
Jun. 12, 2007

Filed:

Jan. 04, 2005
Applicants:

Satoshi Nakamura, Ikeda, JP;

SO Yano, Ibaraki, JP;

Inventors:

Satoshi Nakamura, Ikeda, JP;

So Yano, Ibaraki, JP;

Assignee:

Minolta Co., Ltd., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/202 (2006.01); H01L 27/00 (2006.01); G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image-sensing apparatus has an area sensorthat outputs image data by logarithmically converting the brightness of light incident thereon, a black-level detectorfor detecting the black level BL of the image data at which the image data has the lowest signal level, a white-level detectorfor detecting the white level WL of the image data at which the image data has the highest signal level, a calculation formula determinerfor determining, in accordance with the detected black and white levels BL and WL, the formula to be used to convert the signal level of the image data, and a dynamic range converterfor converting the signal level of the image data using the calculation formula determined by the calculation formula determiner


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