BI Incorporated

United States of America

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IPC Class
G01N 33/497 - Physical analysis of biological material of gaseous biological material, e.g. breath 1
G01N 33/98 - Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving alcohol, e.g. ethanol in breath 1
G10L 17/00 - Speaker identification or verification 1
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1.

BREATH ALCOHOL TESTING SYSTEM

      
Document Number 01336211
Status In Force
Filing Date 1988-09-13
Grant Date 1995-07-04
Owner BI, INC. (USA)
Inventor
  • Conners, Patrick J.
  • Stevens, Lawrence R.
  • Gaiser, Don Robert
  • Pennypacker, Frank C.

Abstract

A breath alcohol testing system for advanta- geous use in unsupervised blood alcohol testing includes a face mask having breath sample receiving means, components of an identity confirming means and components of means for insuring that this identity act and breath delivery are performed by the same person. The system requires that the face mask continuously engage the face of the subject between identity confirmation and breath delivery. By making the continuing physical presence of a subject an operative link in the system during both identity confirmation and breath delivery, the integrity of upsupervised testing is greatly enhanced.

IPC Classes  ?

  • G01N 33/98 - Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving alcohol, e.g. ethanol in breath
  • G01N 33/497 - Physical analysis of biological material of gaseous biological material, e.g. breath
  • G10L 17/00 - Speaker identification or verification