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:
Apr. 09, 2019
Filed:
Apr. 18, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/347 (2006.01); B25J 9/00 (2006.01); G01D 5/245 (2006.01); B25J 13/08 (2006.01); B25J 9/04 (2006.01); B25J 19/02 (2006.01);
U.S. Cl.
CPC ...
B25J 9/0027 (2013.01); B25J 9/042 (2013.01); B25J 13/089 (2013.01); G01D 5/2457 (2013.01); B25J 19/022 (2013.01); G01D 5/34707 (2013.01);
Abstract
A robot includes a base, a robot arm provided to be turnable around a turning axis with respect to the base, and an encoder including a mark configured to turn around the turning axis according to the turning of the robot arm and an imaging element configured to image the mark, the encoder detecting a state of the turning of the robot arm using a signal output from the imaging element. The encoder includes a telecentric optical system disposed between the imaging element and the mark.