Cushioning material having sensor, and bed
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United States of America Patent
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Oct 29, 2019
Grant Date -
Jan 25, 2018
app pub date -
Feb 5, 2016
filing date -
Feb 5, 2015
priority date (Note) -
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Abstract
The cushioning material having a sensor 1 includes a resin sheet 4 composed of photoelastic resin, a cushioning material 21 laminated on the resin sheet 4, a photosensor 15 including a light generating unit 5 and a light receiving unit 8 that are disposed to face each other so as to sandwich the resin sheet 4, and a processor 3 that detects a stress applied to the resin sheet 4 based on the light signal detected by the photosensor 15.
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