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:
Mar. 08, 2022
Filed:
Mar. 12, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Keita Hirayama, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 7/00 (2006.01); H01H 89/00 (2006.01); H01H 25/06 (2006.01); G03B 17/02 (2021.01); H01H 36/00 (2006.01);
U.S. Cl.
CPC ...
H01H 89/00 (2013.01); G03B 17/02 (2013.01); H01H 25/065 (2013.01); H01H 36/004 (2013.01); G03B 2217/002 (2013.01); H01H 2215/00 (2013.01); H01H 2231/046 (2013.01);
Abstract
A rotational operation unit includes a rotational operation member that is rotatable, an annular magnet configured to integrally rotate with the rotational operation member, and a magnet holding member configured to rotatably hold the magnet and including an undulated portion configured to generate a click sense as the rotational operation member rotates. The magnet includes a positioner configured to determine a position relative to the magnet holding member.