US 2002/0000115 A1 · Odor measuring apparatus

Abstract

In an odor measuring apparatus, a plurality of detection outputs with respect to a sample gas is obtained by a plurality of odor sensors having different response characteristics. In an odor fractionation processing section, based on the detection outputs, it is determined which one of a plurality of predetermined odor categories the odor of the sample gas belongs to. In case of calculating an odor index from the detection outputs, the same regression line can be utilized for the same odor category. An odor index calculating section utilizes regression coefficients determined in advance for each odor category, to thereby calculate the odor index. Accordingly, without using an organoleptic test by panels, the odor index can be obtained easily and accurately.

Claims6

Dependent claims

An odor measuring apparatus, comprising:

a plurality of detecting means having different characteristics and adapted to contact a sample gas for detecting odor components in the sample gas and providing detection outputs contained in the sample gas,
odor fractionating means electrically connected to the detecting means for determining that odor in the sample gas belongs to one of odor categories memorized in the odor fractionating means based on the detection outputs of the odor components obtained from the detecting means, and
computing means electrically connected to the detecting means and the odor fractionating means for calculating an index value regarding the odor in the sample gas based on the detection outputs obtained from the detecting means by using a regression line determined in advance for the odor categories.

Dependencies are inferred from the claim text.

Odor measuring apparatus

Life of this patent

Odor measuring apparatus

Life of this patent

Abstract

Claims6