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:
Nov. 30, 1976
Filed:
Jun. 18, 1975
Applicant:
Inventors:
Hiroaki Yamaguchi, Anjo, JA;
Junichiro Naito, Toyokawa, JA;
Assignee:
Nippon Soken, Inc., Nishio, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G08B / ;
U.S. Cl.
CPC ...
73453 ; 73308 ; 340249 ;
Abstract
A device for detecting the specific gravity and level of liquid in a container comprising a light source, a photoelectric transducer positioned in light receiving relationship with respect to the light source, a float which has a predetermined specific gravity and is displaced depending upon the change in specific gravity and level of the liquid, and means operatively coupled to the float so as to permit or interrupt the light transmission from the light source to the photoelectric transducer.