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:
Jun. 30, 2015
Filed:
Jun. 19, 2014
Applicant:
Sony Corporation, Tokyo, JP;
Inventor:
Tatsuo Makii, Tokyo, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 9/06 (2006.01);
U.S. Cl.
CPC ...
G03B 9/06 (2013.01);
Abstract
There is provided a diaphragm unit, including a plurality of diaphragm blades structured to at least rotate, the plurality of diaphragm blades being capable of changing an area of an aperture, each of the diaphragm blades including portions on a part of an inner periphery, a R (radius) of a shape of one portion being at the opposite side of a R (radius) of a shape of the other portion, the inner periphery being a periphery forming an outer periphery of the aperture.