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:
May. 16, 2023
Filed:
Aug. 06, 2019
Panasonic Corporation, Osaka, JP;
Atsuo Nakao, Nara, JP;
PANASONIC HOLDINGS CORPORATION, Osaka, JP;
Abstract
A detection method includes calibration mode of calibrating sensor with low-concentration gas being caused to flow along direction from the sensor toward an adsorption part, first detection mode of, after the calibration mode, detecting chemical substance with sample gas being caused to flow along the direction from the sensor toward the adsorption part, first adsorption mode of adsorbing, by the adsorption part, the chemical substance during an execution time period including time period overlapping at least part of an execution time period of the first detection mode, second adsorption mode of, after the first adsorption mode, adsorbing, by the adsorption part, the chemical substance with the sample gas being caused to flow along direction from the adsorption part toward the sensor, and second detection mode of desorbing, from the adsorption part, the chemical substance adsorbed in the first and second adsorption modes and detecting the chemical substance by the sensor.