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公开(公告)号：US20230009325A1
公开(公告)日：2023-01-12
申请号：US17825586
申请日：2022-05-26
Inventor： Hyung-Min LEE , HYUN-SU LEE
Abstract: Provided is a back-data transmission circuit generating a sensing signal using an arbitrary sensor, generating an input signal by digitally converting the sensing signal, generating a modulation signal by performing a modulation operation when there is a change in the input signal, inducing the modulation signal and transmitting the modulation signal to the transmitting terminal, measuring an induction signal induced from a receiving terminal to the transmitting terminal, and generating an output signal by calculating a slope of a voltage change represented by the induction signal.
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