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:
Apr. 27, 2021
Filed:
Jan. 09, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Fuya Mizuochi, Saitama, JP;
Toru Ohara, Utsunomiya, JP;
Yasuyuki Watazawa, Tokyo, JP;
Naoto Fujihashi, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/217 (2011.01); H04N 5/225 (2006.01); G03B 17/14 (2021.01); G03B 7/20 (2021.01); G03B 17/56 (2021.01); H04N 5/06 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2253 (2013.01); G03B 7/20 (2013.01); G03B 17/14 (2013.01); G03B 17/56 (2013.01); H04N 5/06 (2013.01); H04N 5/2254 (2013.01);
Abstract
A lens apparatus is mountable to a camera body. The camera body has multiple electric contacts. Of these multiple electric contacts, when mounting the lens apparatus to the camera body, electric contacts used for second communication or third communication come into contact with an electric contact provided to the lens apparatus before electric contacts used for first communication, when mounting the lens apparatus to the camera body.