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:
Dec. 17, 1976
Applicant:
Inventors:
Susumu Nishigaki, Tokyo, JP;
Akio Ohgoshi, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340579 ;
Abstract
A flame detecting apparatus comprises a flame detecting electrode and an auxiliary electrode both of which are in use disposed in a flame, and means to bias the auxiliary electrode to a DC potential different from that of the detecting electrode.