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:
Dec. 24, 2024
Filed:
Oct. 29, 2020
Daikin Industries, Ltd., Osaka, JP;
Riken, Wako, JP;
Tomoatsu Minamida, Osaka, JP;
Tomoyuki Haikawa, Osaka, JP;
Kazuyuki Satou, Osaka, JP;
Satoshi Wada, Wako, JP;
Masaki Yumoto, Wako, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
RIKEN, Saitama, JP;
Abstract
A gas detector detects difluoromethane present in a remote target space. The gas detector includes a detection portion that detects the difluoromethane by using absorption of light of a predetermined wavelength. The predetermined wavelength is in a wavelength range of any of a first wavelength range of 1659 to 1673 nm, a second wavelength range of 1724 to 1726 nm, a third wavelength range of 2218 to 2221 nm, a fourth wavelength range of 2463 to 2466 nm, a fifth wavelength range of 3316 to 3318 nm, and a sixth wavelength range of 9034 to 9130 nm.