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:
Jan. 14, 2025
Filed:
Jan. 25, 2024
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Kei Sato, Tokyo, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/30 (2006.01); G03B 17/02 (2021.01);
U.S. Cl.
CPC ...
G01D 5/30 (2013.01); G03B 17/02 (2013.01);
Abstract
A rotational operation device includes a rotary shaft, a cam unit that is formed around the rotary shaft and shifts in a rotary shaft direction parallel to the rotary shaft, a rotational operation member rotatable around the rotary shaft, a cam follower in contact with the cam unit, a drive member movable in the rotary shaft direction in accordance with a rotation of the rotational operation member, and a detector configured to measure a distance to the drive member and detect a rotation position of the rotational operation member based on the distance.