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. 28, 2019
Filed:
May. 29, 2014
Applicant:
RS Automation Co., Ltd., Pyeongtaek-si, KR;
Inventor:
Sang Hoon Lee, Seongnam-si, KR;
Assignee:
RS AUTOMATION CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/347 (2006.01);
U.S. Cl.
CPC ...
G01D 5/3473 (2013.01); G01D 5/34715 (2013.01);
Abstract
The optical encoder according to the present disclosure includes a light receiving part formed with a plurality of first patterns, and a scale formed with second patterns and moving relative to the light receiving part, where at least one of the first and second patterns is aligned at a same interval to remove harmonic waves.