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.
Patent No.:
Date of Patent:
Oct. 18, 2011
Filed:
Apr. 27, 2009
Yuko Arai, Yokohama, JP;
Haruhiko Miyao, Mito, JP;
Tsutomu Usui, Yokohama, JP;
Haruhiko Higuchi, Fujisawa, JP;
Yuko Arai, Yokohama, JP;
Haruhiko Miyao, Mito, JP;
Tsutomu Usui, Yokohama, JP;
Haruhiko Higuchi, Fujisawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A camera capable of compensating for facial field of a person to a proper brightness, and maintaining the luminance scale of the background, comprising an imaging portion for generating the picture data of the person; a gamma compensator for performing gamma compensation for the picture data; a facial field detecting portion for detecting a facial field from the picture data; a photometric portion for exposure metering value of the facial field detected by the facial field detecting portion; an exposure controlling portion for calculating a target exposure amount in response to the output of the photometric portion and controlling exposure depending on the target exposure amount; and a gamma compensation controlling portion for determining a luminance scale characteristic in accordance with the target exposure amount, wherein the gamma compensating portion is controlled on the basis of the luminance scale characteristic determined by the gamma compensation controlling portion.