Breath alcohol measurement with contactless sample collection

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United States of America Patent

PATENT NO 11474096
APP PUB NO 20200173981A1
SERIAL NO

16641558

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A breath alcohol measurement device has a sample collector (1) with a sample inlet (2) configured for a contactless introduction of a breath sample. A measurement unit (9) has a sensor (16) that generates a measurement signal based on an alcohol content in the breath sample. A control and evaluation unit (4) determines the alcohol content based on the measurement signal and transmits a result-specific signal to an output unit (5). Some of the breath sample provided into the sample inlet (2) is applied, at least intermittently via a main flow duct (10), to the sensor (16) via a measurement gas duct (21) that is connected via an outlet to the environment (7). Between the sample inlet (2) and the outlet of the main flow duct there is a further outflow opening (6) through which some of the breath sample introduced into the sample inlet exits into the environment.

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Patent Owner(s)

Patent OwnerAddress
DRAGER SAFETY AG & CO KGAAREVALSTRASSE 1 LÜBECK 23560

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barten, Stefan Lübeck, DE 6 48
Morley, Stefan Lübeck, DE 14 234
Rekow, Jens Lübeck, DE 12 96
Richenberger, Michael Scharbeutz, DE 11 87
Schröter, Sebastian Lübeck, DE 6 4
Stemich, Carsten Ratzeburg, DE 6 8

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