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:
Mar. 18, 2025

Filed:

Apr. 23, 2024
Applicant:

Hitachi High-tech Corporation, Tokyo, JP;

Inventors:

Yuto Kazama, Tokyo, JP;

Masahiko Iijima, Tokyo, JP;

Sakuichiro Adachi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/00 (2006.01); G01N 21/27 (2006.01); G01N 21/78 (2006.01); G01N 35/04 (2006.01); G01N 35/10 (2006.01); G01N 35/00 (2006.01);
U.S. Cl.
CPC ...
G01N 35/04 (2013.01); G01N 21/27 (2013.01); G01N 21/78 (2013.01); G01N 35/1002 (2013.01); G01N 35/1065 (2013.01); G01N 2035/00396 (2013.01); G01N 2035/00435 (2013.01); G01N 2035/00534 (2013.01); G01N 2035/0441 (2013.01); G01N 2035/0443 (2013.01); G01N 2035/0453 (2013.01); G01N 2035/0475 (2013.01);
Abstract

An automatic analysis device has a plurality of types of photometers having different quantitative ranges, and an analysis control unit for quantifying the desired component in specimens based on measurement values of one or more photometers selected from among the plurality of types of photometers. The analysis control unit: sets a switching region in an overlap region of respective quantitative ranges of the plurality of types of photometers, said switching region having a greater width than does the variation in quantitative values of the desired component based on the measurement values of photometers having the same specimen; compares the quantitative value of a quantitative range portion that corresponds to the switching region and the quantitative values of the desired component based on the measurement values of the photometers; and selects a photometer to be used in quantitative output of the desired component from among the plurality of types of photometers.


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