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. 01, 2020
Filed:
Mar. 08, 2018
Applicant:
Nec Corporation, Minato-ku, Tokyo, JP;
Inventor:
Takeshi Akagawa, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/39 (2006.01); G01N 21/3504 (2014.01); G01N 21/3554 (2014.01); G01N 21/359 (2014.01); G01N 21/77 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01N 21/359 (2013.01); G01N 21/3554 (2013.01); G01N 21/39 (2013.01); G01N 2021/7773 (2013.01);
Abstract
A gas detection system, comprising: a humidity measuring apparatus that measures humidity; a transmitting apparatus that includes a light source which emits an optical signal of a plurality of wavelengths; and a receiving apparatus including: a light detection part that receives the optical signal from the transmitting apparatus; a discrimination part that determines whether or not condensation exists in at least one region of regions where the optical signal passes, based on the humidity measured by the humidity measuring apparatus and a light intensity of the optical signal received by the light detection part.