Device and a method for measuring an alcohol or drugs in the breath of a vehicle operator portion
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The invention relates to a method and apparatus for measuring a noise alcohol or agent portion in the breath of a vehicle operator with a measuring device (1) for performing the breath sample of the vehicle operator (11) of a breath tests and analysis. Further, an evaluation unit (2), the at least one breath-specific information to a data memory (5), to a data processing unit (4) and / or to a control unit (3) sends and a driving control unit (based on a result of the analysis of the breath sample 6) by which a state of motion of the vehicle is detected, is provided. a camera (7) for forming an image (8) of the driver (11), an image data memory (9) for storing at least one of the captured images (8) and a comparison unit (10) further are provided for the at least one captured image (8) comparing a further image and generated on the basis of the comparison result an image-specific signal. The technical solution described is characterized in that there is provided a central control unit (3) and designed such that as soon as indicated by the traveling control unit (6) is detected the vehicle is moving, at least one image (8b) of the driver (11) is recorded, the image by the comparison unit (10) stored with the image data memory (9) (8a) of the driver (11) is compared, and that upon detection of a difference between the recorded during the vehicle motion image (8b) and in the image data memory (9) stored image (8a) of the driver (11) via an output unit (12) for delivering another breath sample is requested.