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:
May. 11, 2021
Filed:
Jan. 02, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Junji Ito, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A rotation operation input device that achieve downsizing and excellent durability while offering clear and good operation feeling. The rotation operation input device comprises detected portions which is provided concentrically with a rotation operation member about a rotation axis and rotates along with rotation of the rotation operation member, and a detection unit which detects the detected portions and a phase of the rotation operation member. The detected portions are provided at a predetermined interval along an outer edge of the rotation operation member, this outer edge is provided with a recess/protrusion part, the recess/protrusion part has recess parts each positioned between the detected portions and protrusion parts each positioned on each straight line connecting each detected portion and the rotation axis, and an urging member that urges the recess/protrusion part is provided on a side opposite to the detected portions across the recess/protrusion part.