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:
Oct. 23, 2012

Filed:

Nov. 25, 2009
Applicant:

Kazuo Yamauchi, Ibaraki, JP;

Inventor:

Kazuo Yamauchi, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A flame atomic absorption spectrophotometer in which a combustion gas is burned by a burner to form a flame and a nebulized sample is atomized in the flame, including a flashback detector for detecting an occurrence of a flashback phenomenon of the flame or detecting a state in which a flashback phenomenon is considered to have occurred; a flashback count memory for counting detection of a flashback by the flashback detector and storing a number of count; an ignition inhibitor for inhibiting, in a case where a flashback is detected by the flashback detector, an ignition after the detection; and an inhibition canceller for canceling, in an ignition inhibit state created by the ignition inhibitor, the ignition inhibit state only by a predetermined operation which is changed in accordance with the number of count stored in the flashback count memory.


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Yamauchi, Kazuo. (2012). Flame atomic absorption spectrophotometer (U.S. Patent No. 8294893). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8294893

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