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.:

US 8130284 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 06, 2012

Filed:

May. 15, 2009
Applicants:

Haruhiko Miyao, Mito, JP;

Takahiro Nakano, Hitachinaka, JP;

Inventors:

Haruhiko Miyao, Mito, JP;

Takahiro Nakano, Hitachinaka, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/73 (2006.01);
U.S. Cl.
CPC ...
Abstract

An imaging apparatus has: a white balance control circuit for detecting an achromatic portion of an image of an object and controlling gains of the chrominance; an object distance detecting circuit for detecting a distance to the object; and a zoom value detecting circuit for detecting a zoom value of the optical system. The imaging apparatus further has: an object brightness detecting circuit for detecting brightness of the object; and a white balance control amount adjustment value setting circuit for forming a white balance control amount adjustment value to adjust a control amount in the white balance control circuit on the basis of object brightness information, object distance detection information, and zoom value information, wherein the white balance control amount is adjusted on the basis of the white balance control amount adjustment value.


Find Patent Forward Citations

Miyao, Haruhiko. (2012). Imaging apparatus and method for controlling white balance (U.S. Patent No. 8130284). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8130284

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