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:
Dec. 10, 2019
Filed:
Mar. 15, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 9/10 (2006.01); H04N 5/235 (2006.01); G03B 9/42 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
G03B 9/10 (2013.01); G03B 9/42 (2013.01); H04N 5/2254 (2013.01); H04N 5/2353 (2013.01);
Abstract
A shutter apparatus includes a motor, a cam gear, a driving member, and a blade group. A cam part includes a blade maintaining section configured to maintain one of an open state and a closed state of the blade group when a cam follower slides, and a blade driving section. Where the cam follower slides in the blade maintaining section and the blade driving section in this order, the motor is driven in the micro step driving mode when the cam follower slides in the blade maintaining section, and the motor is driven in the full step driving mode when the cam follower slides in the blade driving section.