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. 15, 2026
Filed:
Feb. 03, 2025
Applicant:
Tamron Co., Ltd., Saitama, JP;
Inventor:
Atsushi Sayama, Saitama, JP;
Assignee:
TAMRON CO., LTD., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/3504 (2014.01); G01N 21/359 (2014.01); G01N 33/497 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01N 21/359 (2013.01); G01N 33/497 (2013.01); G01N 2201/062 (2013.01); G01N 2201/0636 (2013.01);
Abstract
A gas detection apparatus includes a spectroscopic apparatus and a gas supply pipe, the spectroscopic apparatus including a light source of near-infrared light having a specified full width at half maximum in the wavelength spectrum, an optical cavity having a pair of reflectors facing each other and having a specific effective reflectivity, and a photodetector that detects intensity of emission light from the optical cavity.