METHOD OF PREVENTING HACKING OF WIRELESS SIGNALS
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United States of America Patent
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Jun 8, 2017
app pub date -
Jun 21, 2016
filing date -
Dec 2, 2015
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Abstract
A method of preventing hacking of wireless signals includes transmitting a low frequency (LF) signal from a vehicle to a smart key, deciding a strength of the received LF signal by the smart key, transmitting a radio frequency (RF) signal to the vehicle when the strength of the LF signal is decided and the LF signal is a signal satisfying a preset reference value, or a preset reference value range, of strength of an LF signal, and deciding a strength of the received RF signal by the vehicle.
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