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:
Jun. 11, 2019
Filed:
Jun. 28, 2016
Applicant:
Fanuc Corporation, Minamitsuru-gun, Yamanashi, JP;
Inventors:
Keisuke Imai, Yamanashi, JP;
Hirosato Yoshida, Yamanashi, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/04 (2006.01); G01D 11/26 (2006.01); G01N 27/22 (2006.01); G01D 11/24 (2006.01);
U.S. Cl.
CPC ...
G01D 11/26 (2013.01); G01D 11/245 (2013.01); G01N 27/048 (2013.01); G01N 27/225 (2013.01);
Abstract
A rotary encoder of the present invention has a hermetically sealed structure having at least one desiccant and an electric circuit by which the moisture absorbing amount of the desiccant can be obtained. The desiccant is arranged in a sealed space defined by a flange and a cover member. The electric circuit, a rotary slit plate, a light emitting element and a light receiving element are arranged in the sealed space.