Device and process for recognizing a correct use of an alcohol measuring device

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United States of America Patent

PATENT NO 8795187
APP PUB NO 20100251804A1
SERIAL NO

12546144

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device and a process are provided for recognizing a correct use of an alcohol measuring device by a test subject. At least one alcohol measuring device is provided with a signal transmitter, an analysis and control unit and a camera unit. An image field of the camera unit is divided into an inner image field area and an outer image field area. The inner image field area detects at least the face area of the test subject. The camera unit records changes at a boundary between the inner image field area and the outer image field area. A signal sent by the signal transmitter in the inner image field area can be detected by the camera unit.

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Patent Owner(s)

  • DRÄGER SAFETY AG & CO. KGAA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huth, Andreas Lübeck, DE 92 740
Köhler, Ulrich Bad Oldesloe, DE 15 59
Morley, Stefan Lübeck, DE 14 207

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