Breath alcohol-measuring device with an illuminated mouthpiece

  • US 7,833,166 B2
  • Filed: 10/24/2007
  • Issued: 11/16/2010
  • Est. Priority Date: 01/17/2007
  • Status: Active Grant
First Claim
Patent Images

1. A breath alcohol-measuring device comprising:

  • a breath alcohol-measuring device housing;

    an alcohol sensor connected to said housing;

    a mouthpiece with a blow-in opening and with a blow-out opening and with a sample hole for a breathing gas sampling for said alcohol sensor, said mouthpiece being detachably connected to said housing;

    a radiation source; and

    a light guide receiving radiation of said radiation source, said light guide being arranged extending from said breath alcohol-measuring device housing up to said blow-out opening of said mouthpiece such that said light guide provides an illuminating means for illuminating an interior of said mouthpiece.

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