Volatile signature detector and associated methods

Details Volatile signature detector and associated methods Volatile signature detector and associated methods

2006-08-29

2006-08-29

Cygan, Michael (Department: 2855)

Measuring and testing

Gas analysis

Breath analysis

Reexamination Certificate

active

07096714

ABSTRACT:
A detector (D) for detecting the volatile signature of one or more substances, e. g. alcohol and/or cannabis, on the breath (MG) of a consumer (P), using several sensors (CT1, CT2, CT3). The sensors can comprise semi-conductors or conductive polymers. The inventive detector is equipped with a filter (F) to remove nuisance substances, e. g. water vapour, which mask the signature. The detector is advantageously portable and can be used to perform a test to evaluate (E) the consumption of a substance by the driver of a motor vehicle in relation to a reference level (N). A network of formal neurones (RN) is used to generate a database (DB) that is used to calibrate the detector.

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