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. 03, 2016
Filed:
Apr. 26, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An encoder () includes a cylindrical body (), a sensor unit () configured to detect a displacement of the cylindrical body () in a circumferential direction of the cylindrical body (), and a scale () that is attached to the cylindrical body () using a holder () and a holder () and that has a signal detection effective region () used to detect the displacement by the sensor unit (), and a region () that has a stiffness smaller than a stiffness of the signal detection effective region () in the circumferential direction of the cylindrical body () is provided on an outside of the signal detection effective region () and on at least one side of the first holder () and the second holder ().