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. 05, 2022
Filed:
Jul. 28, 2020
Applicant:
Ismedia Co., Ltd., Anyang-si, KR;
Inventors:
Jisoo Lee, Suwon-si, KR;
Chanyoung Park, Suwon-si, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 17/00 (2006.01); G06T 7/68 (2017.01); G02B 7/02 (2021.01); G02B 27/30 (2006.01); G02B 27/62 (2006.01); G06T 7/00 (2017.01);
U.S. Cl.
CPC ...
H04N 17/002 (2013.01); G02B 7/021 (2013.01); G02B 27/30 (2013.01); G02B 27/62 (2013.01); G06T 7/0004 (2013.01); G06T 7/68 (2017.01); G06T 2207/10152 (2013.01); G06T 2207/30141 (2013.01);
Abstract
The present disclosure relates to an apparatus for inspecting alignment of optical device including: an optical device comprising a housing having an optical path of the shape of a cylinder, a light source disposed inside the housing to provide an illumination light for inspection to a subject surface, and a collimating lens for converting the illumination light irradiated from the light source into a parallel light beam; and an alignment evaluator that is provided with a condensing lens for converting the parallel light beam into a focused light beam, and that is disposed in front of the optical device.