Membrane switches configured to sense pressure applied from compliant and rigid objects
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United States of America Patent
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Jun 21, 2022
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N/A
app pub date -
Apr 13, 2021
filing date -
Apr 13, 2021
priority date (Note) -
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Abstract
A pressure-activated membrane switch and methods of use are provided. The pressure-activated membrane switch includes a first electrically-conductive membrane, and a second electrically-conductive membrane. Contact between the first electrically-conductive membrane and the second electrically-conductive membrane is configured to cause an electrical circuit, of which the switch is a part, to close. The pressure-activated membrane switch further includes a plurality of spacers dispersed between the first electrically-conductive membrane and the second electrically-conductive membrane, and one or more columns positioned on an outer surface of the second electrically-conductive membrane. The plurality of spacers form one or more gaps between the first electrically-conductive membrane and the second electrically-conductive membrane, and the one or more columns are configured to pass through the one or more gaps when a pressure is applied to the one or more columns, which will cause the second electrically-conductive membrane to deform to contact the first electrically-conductive membrane.
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