KEYLESS ENTRY SYSTEM AND CONTROL METHOD THEREOF
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United States of America Patent
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Issued Date -
May 16, 2013
app pub date -
Apr 16, 2012
filing date -
Nov 15, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A keyless entry system comprises a resonant unit, a control unit and a portable device. The resonant unit is disposed to at least one door and generates a sensing signal when sensing a user approaching or touching the door. The control unit receives the sensing signal and controls the resonant unit to transmit a first authentication signal. The portable device receives the first authentication signal and transmits a second authentication signal according to the first authentication signal. The control unit receives the second authentication signal and controls the door according to the second authentication signal.
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