RADIO FREQUENCY IDENTIFICATION (RFID) MOISTURE TAG(S) AND SENSORS WITH EXTENDED SENSING VIA CAPILLARIES
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United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Nov 13, 2023
filing date -
Nov 18, 2006
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Abstract
A radio frequency identification (RFID) tag includes a power harvesting circuit that operates generate power for the RFID tag from a continuous wave of a radio frequency (RF) signal. The RFID tag further includes a tuning circuit that is tuned based on a capacitance setting, where the capacitance setting is indicative of a power level of the power. The RFID tag further includes a processing module operably coupled to the tuning circuit, where the processing module operates to generate the capacitance setting to obtain a desired power level for the power.
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