WIRELESS DEVICE AND METHOD FOR CONTROLLING WIRELESS DEVICE
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
Apr 26, 2024
filing date -
Nov 30, 2021
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Abstract
A wireless device includes a transmitter; a receiver; and a control device configured to obtain a first difference of a predetermined physical quantity, in a unit time, of a predetermined-frequency signal transmitted by the transmitter to another device, and calculate a second difference of the predetermined physical quantity, in the unit time, of the predetermined-frequency signal received by the another device, based on a signal received by the receiver; and perform a determination process of comparing the first difference and the second difference to determine legitimacy of the signal received by the receiver.
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