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:
May. 17, 2022

Filed:

Sep. 08, 2016
Applicant:

Shimadzu Corporation, Kyoto, JP;

Inventor:

Masahiro Kojima, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/32 (2006.01); G01N 30/86 (2006.01); G01N 30/02 (2006.01); G01N 30/82 (2006.01);
U.S. Cl.
CPC ...
G01N 30/32 (2013.01); G01N 30/02 (2013.01); G01N 30/82 (2013.01); G01N 30/86 (2013.01); G01N 2030/324 (2013.01);
Abstract

A main controllerof a main substrateperforms serial communications with a sub controllerof each flowrate control substrate. The flowrate of the carrier gas is controlled with the flowrate control circuitunder the control performed by each sub controller. Thus, the main controlleronly needs to execute the processing of performing the serial communications with each sub controller. As a result, the processing executed by the main controllercan be reduced, and the processing executed by the main controlleris less likely to overwhelm its processing capability even when the number of flowrate control substratesis increased. In addition, a signal linebetween the main controllerand each sub controllercan be made long. Thus, the distance between the main substrateand each of the flowrate control substratescan be made long.


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Kojima, Masahiro. (2022). Gas chromatograph (U.S. Patent No. 11333638). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11333638

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