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. 24, 1984
Filed:
Feb. 16, 1982
Applicant:
Inventors:
Junichi Hiramoto, Osaka, JP;
Shinichi Ohkawa, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
204406 ; 204433 ; 324438 ; 357 25 ;
Abstract
A PH electrode is provided with an ISFET for generating a potential difference according to the PH value of an electrolyte to be measured, and includes a cell for driving the ISFET, so that the PH electrode can be used, as it is, with a conventional, potential difference type PH meter.