Device for counting and determining the direction of passage of living beings taking temperature into account and using pyroelectric cells
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United States of America Patent
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Mar 5, 2013
Grant Date -
Sep 9, 2010
app pub date -
Mar 22, 2007
filing date -
Mar 27, 2006
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Abstract
A device for counting and determining the direction of passage of living beings. A first cell delivers an electrical signal representing the passage of a living being. A second pryoelectric cell delivers a second electrical signal. A processing unit analyzes the signals and determines the number of living beings moving past and their direction of movement.
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