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:
Mar. 10, 2015
Filed:
Apr. 18, 2014
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Kazunori Tamura, Saitama, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 17/20 (2006.01); G03B 13/02 (2006.01); G03B 13/06 (2006.01); G03B 13/10 (2006.01); H04N 5/222 (2006.01); G03B 13/12 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G03B 13/10 (2013.01); G03B 13/12 (2013.01); G03B 17/20 (2013.01); H04N 5/23293 (2013.01);
Abstract
In a variable magnification viewfinder device, information displayed on a liquid crystal panel and a viewfinder image are combined with each other through a prism. When a variable power lens is inserted in a viewfinder optical path, viewfinder magnification is changed. Based on the change in the viewfinder magnification, brightness of a backlight unit is changed and luminance of the information displayed on the liquid crystal panel is changed. In a viewfinder field of view, the information and the viewfinder image are displayed at substantially the same brightness.