Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bertil Hök0
Håkan Pettersson0
Raimo Gester0
Jonas Ljungblad0
Date of Patent
April 23, 2024
0Patent Application Number
174623180
Date Filed
August 31, 2021
0Patent Citations
...
Patent Primary Examiner
Patent abstract
Methods and apparatus allow for passive determination of a driver's Breath Alcohol Concentration (BrAC). Alcohol concentrations can be determined from exhaled breath, however inconvenience to a driver is often a barrier for incorporation of BrAC sensors into vehicles. The methods and apparatus allow for passive determination of a driver's BrAC, while detecting and accounting for a wide range of environmental conditions that may reduce the accuracy of a passive BrAC reading.
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