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:
Apr. 13, 1999
Filed:
Apr. 28, 1997
Shusuke Hiraoka, Shiga, JP;
Katsuhiko Araya, Kyoto, JP;
Hiroaki Matsuhisa, Kyoto, JP;
Yoshihide Kanki, Kyoto, JP;
Hiroshi Murakami, Kyoto, JP;
Shimadzu Corporation, Kyoto, JP;
Abstract
A standard gas introduction passage and an air inlet port are provided on positions downstream and upstream a dehumidifier respectively. A zero gas and a span gas are measured in dry states, a value of the atmosphere introduced from the air inlet port which is measured in the same moisture concentration as the sample gas is subtracted as a moisture interference value from the measured value of the sample gas for correcting moisture interference, and calibration curve data are applied to a result of measurement after the correction. Calibration can be finished in a short period, whereby the capacities of standard gas cylinders can be reduced and the overall device can be miniaturized.