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:
Aug. 02, 1977
Filed:
May. 09, 1975
Applicant:
Inventor:
Stanley R Morrison, Los Altos, CA (US);
Assignee:
Stanford Research Institute, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
324 / ; 3402 / ; 2325 / ; 2323 / ; 338 34 ;
Abstract
A gas sensor is provided here comprising a semi-conductor support coated with a material which reacts with a specific gas as a result of which it exchanges electrons with the support. By measuring the resulting change in conductivity of the support, one can detect the presence of the particular gas as well as its concentration.