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:
Feb. 24, 2009
Filed:
Jan. 19, 2005
Hajime Komura, Osaka, JP;
Kazuo Onaga, Osaka, JP;
Mariko Sugimura, Hyogo, JP;
Hiroshi Koda, Hyogo, JP;
Kazuyasu Iida, Hyogo, JP;
Hajime Komura, Osaka, JP;
Kazuo Onaga, Osaka, JP;
Mariko Sugimura, Hyogo, JP;
Hiroshi Koda, Hyogo, JP;
Kazuyasu Iida, Hyogo, JP;
Suntory Limited, Osaka-Shi, JP;
Abstract
The present invention provides a gas detection method and detection apparatus that provide better sensitivity and faster recovery after response than conventional gas detection methods and apparatus, by improving on these conventional methods and apparatus. The present invention is a gas detection method, in which the target gas is detected while oxygen is supplied to a sensor elementof a metal oxide-type gas sensor, wherein the target gas is detected while water vapor is supplied to the sensor element, and is also a gas detection apparatus equipped with an oxygen supply meansfor supplying oxygen to a sensor elementof a metal oxide-type gas sensor, said gas detection apparatus being provided with a water vapor supply meansfor supplying water vapor to the sensor element