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. 15, 1978
Filed:
Oct. 13, 1977
Applicant:
Inventors:
Hiroshi Takao, Kamakura, JP;
Kazuo Matoba, Yokosuka, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2041 / ;
Abstract
An oxygen sensor made up of an oxygen concentration cell which as a stratiform structure and includes a thin film of an oxygen ion conductive solid electrolyte and a thin layer of a material serving as the source of a reference oxygen partial pressure such as a Ni-NiO system, an electrically nonconductive base plate which supports thereon the cell, and a thin metal layer embedded in the base plate as a resistance heating element for heating the solid electrolyte film.