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:
Apr. 29, 1986
Filed:
Jan. 28, 1983
Masayoshi Kaneyasu, Yokohoma, JP;
Takanobu Noro, Yokohoma, JP;
Hideo Arima, Yokohoma, JP;
Mitsuko Ito, Yokosuka, JP;
Shoichi Iwanaga, Yokohama, JP;
Nobuo Sato, Yokosuka, JP;
Akira Ikegami, Yokohama, JP;
Tokio Isogai, Fujisawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A gas detecting apparatus is disclosed in which detection outputs from a plurality of semiconductor gas detecting elements different in gas detection characteristic from each other and previously-obtained characteristic values of the semiconductor gas detecting elements for a mixed gas are subjected to operational processing to detect one or more specified constituent gases contained in the mixed gas, and in which when the specified constituent gas is detected, the detection information is announced by some means, and also the supply of gas is stopped or a supply gas is diluted.