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:
Oct. 11, 2016
Filed:
Aug. 23, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Shuuichi Sato, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A slip ring includes an exterior, a plurality of brushes, a plurality of rings, a brush fixing member that causes the plurality of brushes to contact the plurality of rings and supports the plurality of brushes, and a rotating shaft inserted into the plurality of rings and supports the plurality of rings. The slip ring also includes a reference signal generation unit configured to generate a reference signal, and a detection unit configured to detect a signal, wherein a circuit is formed by the reference signal generation unit, a first brush, which is at least one of the plurality of brushes, a first ring that contacts the first brush, and the detection unit, and wherein a state of contact of the first brush and the first ring is detected based on the signal detected by the detection unit.