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. 04, 2005

Filed:

Sep. 27, 2002
Applicants:

Michihiro Saito, Kashiwa, JP;

Satoshi Takahashi, Hitachinaka, JP;

Koichi Matsumoto, Hitachinaka, JP;

Inventors:

Michihiro Saito, Kashiwa, JP;

Satoshi Takahashi, Hitachinaka, JP;

Koichi Matsumoto, Hitachinaka, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2164 ;
U.S. Cl.
CPC ...
Abstract

At the time of analytical measurement of a sample by the fluorescence measuring device or the phosphorescence measuring device, both the optical path of exciting light emitted from the light source to the sample and the optical path of fluorescence or phosphorescence emitted from the sample to the detection unit are shut off. Both are shut off by one chopper.


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