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.

Date of Patent:
Jan. 07, 1986

Filed:

Nov. 28, 1983
Applicant:
Inventors:

Tokio Kano, Kunitachi, JP;

Akira Tamagawa, Hino, JP;

Masanori Doi, Akishima, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436164 ; 356442 ; 422 73 ; 436518 ; 436805 ;
Abstract

In a method of photoelectrically judging a particle agglutination pattern formed on a conical bottom surface of a reaction vessel by particles descending upon the bottom surface, at least two judging steps utilizing a total particle amount, a thickness ratio, an inclination and so on are applied to the particle agglutination pattern to judge finally the pattern as one of an integral pattern (-), an intermediate pattern (?) and a uniform deposition pattern (+). In this manner, since all the inaccurate patterns are judged finally as the intermediate pattern (?) and are re-examined, it is possible to always perform an accurate judgment for the particle agglutination pattern.


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