Pressure sensor comprising a capacitive cell and support device comprising said sensor
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United States of America Patent
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Dec 3, 2013
Grant Date -
Dec 9, 2010
app pub date -
May 17, 2010
filing date -
Jun 5, 2009
priority date (Note) -
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Abstract
A sensor for detecting and measuring a load pressure applied to a support device comprises at least one capacitive cell including a flat condenser comprising at least one layer of a compressible insulating dielectric material interposed between two layers of conductive material. A support device capable of supporting the body of a person comprises at least one top layer composed of a plurality of air-filled inflatable cells communicating with inflation elements, characterized in that it comprises a sensor, of which said condenser is disposed under said top layer and connected to an electronic control and regulation device capable of controlling inflation or deflation elements.
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