LED Crush Sensor
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United States of America Patent
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N/A
Issued Date -
Jan 26, 2017
app pub date -
Jul 22, 2015
filing date -
Jul 22, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sensor assembly for detecting crush of a compliant material. The sensor assembly includes a light source such as an LED, and a light sensor. In one implementation, the sensor assembly is used for detecting and impact of a motor vehicle with an external object or structure. Crush of the energy absorbing material, which may be provided in the form of an open or closed cell type polymeric foam is detected through a change in the intensity of the reflected back light received by the light sensor in response to compression of the energy absorber material. Other applications are contemplated.
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