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:
Jul. 07, 2020
Filed:
Dec. 03, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Rentaro Imai, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/235 (2006.01); G03B 9/18 (2006.01); G03B 9/42 (2006.01); G03B 19/12 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2353 (2013.01); G03B 9/18 (2013.01); G03B 9/42 (2013.01); G03B 19/12 (2013.01);
Abstract
A shutter apparatus includes a blade unit configured to open and close an opening used for exposure, a blade moving member configured to move the blade unit between an open position and a closed position of the opening, an urging member configured to urge at least one of the blade unit and the blade moving member in a direction from the closed position to the open position of the opening; and a blade cam member configured to contact the blade moving member as the blade unit moves from the closed position to the open position of the opening.