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:
Jun. 13, 1989
Filed:
May. 14, 1987
Applicant:
Inventor:
Yuji Itoh, Chigasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
250574 ; 250576 ; 356338 ;
Abstract
A light is applied to particles to be examined in a cell, the scattered light from the particles to be examined is converted to an afocal light, a beam splitter is provided in the afocal light beam, and photometering and observation of the cell are efficiently effected in two optical paths branched off by the beam splitter.