PUMPLESS BREATH ANALYSIS SYSTEM
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United States of America Patent
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Issued Date -
May 26, 2016
app pub date -
Nov 17, 2015
filing date -
Nov 21, 2014
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Abstract
A breath analysis device has a housing that limits pressure from a user's breath that passes over a sensor, improving sensor readings of the sensor. The housing includes an inlet opening, one or more outlet openings, and an inner cavity. The inner cavity defines a path between the inlet opening and the one or more outlet openings. The inner cavity includes a sensor housing, a high resistance path between the inlet opening and the sensor housing, a first low resistance path between the housing and a first subset of outlet openings of the one or more outlet openings, and a second low resistance path between the inlet opening and a second subset of outlet openings of the one or more outlet openings. Breath that passes into the sensor housing is analyzed by sensors in the sensor housing.
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