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:
Oct. 14, 2014
Filed:
Sep. 28, 2011
Applicant:
Tatsuo Urushidani, Chino, JP;
Inventor:
Tatsuo Urushidani, Chino, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 9/02 (2006.01); G01J 3/28 (2006.01); G02B 26/00 (2006.01); G01J 3/26 (2006.01); G01J 3/02 (2006.01);
U.S. Cl.
CPC ...
G01J 3/28 (2013.01); G02B 26/001 (2013.01); G01J 3/26 (2013.01); G01J 3/027 (2013.01);
Abstract
A light measurement device comprising an optical sensor that includes a tunable interference filter and a detecting section detecting light passed through the tunable filter, a storing section that stores a first correlation data and a second correlation data, and a CPU that obtains amount of the light by controlling the optical sensor based on the first correlation data and a second correlation data.