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:
Nov. 27, 2018
Filed:
Sep. 19, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Shu Ito, Utsunomiya, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/217 (2011.01); G02F 1/01 (2006.01); H04N 5/357 (2011.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0121 (2013.01); H04N 5/23209 (2013.01); H04N 5/23245 (2013.01); H04N 5/357 (2013.01); H04N 5/3572 (2013.01);
Abstract
An optical apparatus configured to guide light from an object to an image pickup element includes a first light amount adjustment unit configured to change transmissivity or the light from the object through change in physical property thereof. Then, in recording, a second light amount adjustment unit configured to mechanically change an area through which the light from the object passes is prevented from being driven but the first light amount adjustment unit is driven to adjust an amount of the light from the object entering the image pickup element.