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.

Date of Patent:
Aug. 17, 2021

Filed:

Jul. 23, 2020
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Shuichi Matsuzawa, Chofu, JP;

Hiroki Ota, Tokyo, JP;

Koji Ishikawa, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 17/02 (2021.01); G03B 17/56 (2021.01); H05K 5/00 (2006.01); H05K 5/02 (2006.01); H04N 5/225 (2006.01); G03B 17/14 (2021.01); G03B 13/02 (2021.01);
U.S. Cl.
CPC ...
G03B 17/02 (2013.01); G03B 17/56 (2013.01); H05K 5/0021 (2013.01); H05K 5/0221 (2013.01); G03B 13/02 (2013.01); G03B 17/14 (2013.01); G03B 2217/002 (2013.01); H04N 5/2251 (2013.01);
Abstract

The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main bodyincludes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.


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