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:
Sep. 26, 2023
Filed:
Mar. 15, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Hidefumi Minemura, Shiojiri, JP;
Sho Aruga, Chino, JP;
Haruki Miyasaka, Matsumoto, JP;
Kenichi Shirota, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 3/51 (2006.01); G01J 3/02 (2006.01);
U.S. Cl.
CPC ...
G01J 3/51 (2013.01); G01J 3/0264 (2013.01); G01J 3/0272 (2013.01);
Abstract
An apparatus internal unit disposed inside a casing includes a fixed unit coupled to an opening portion forming member, a movable unit that is a unit including an incident light processing portion and is configured to be displaced with respect to the fixed unit in a first direction along an optical axis, and at least one elastic member that holds a position of the movable unit in the first direction with respect to the fixed unit by elasticity.