CONTACTLESS COMMUNICATION DEVICE BY ACTIVE LOAD MODULATION
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Sep 11, 2024
filing date -
Sep 11, 2024
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Abstract
A device of contactless communication by active load modulation includes a clock signal extraction circuit configured to receive as an input a reception signal and to output a clock signal having a first value when the reception signal is greater than a threshold of the clock signal extraction circuit and having a second value when the reception signal is smaller than the threshold. The device includes a circuit for modifying the value of the threshold, configured to decrease the value of the threshold when the value of the clock signal is equal to the first value, or to increase the value of the threshold when the value of the clock signal is equal to the second value.
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