WIRELESS CONTACT FORCE SENSING AND LOCALIZATION
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
Apr 8, 2022
filing date -
Apr 13, 2021
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Abstract
A wireless force sensor includes a flexible structure supported opposing a rigid structure with a gap between the flexible structure and the rigid structure. Contact traces on opposing surfaces of the flexible structure and the rigid structure form transmission lines. The contract traces are aligned to contact when a force is applied the flexible structure to cause contact between the traces on the opposing surfaces. Radio-frequency switches modulate a reflected signal from the transmission lines. An antenna receives an interrogation signal transmits the reflected signal.
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