Door unlocking system and door unlocking method
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Sep 9, 2016
filing date -
Mar 13, 2014
priority date (Note) -
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Abstract
An electronic key actively executes wireless communication following a keyless entry communication and passively executes wireless communication following a RFID communication. A vehicle control device is mounted on a vehicle and actively executes wireless communication following each of the keyless entry communication and RFID communication. An ECU/BCM unlocks a door by communicating with the electronic key using the keyless entry communication and issues a password to the electronic key in relation to this action. When a door knob or handle is pulled, an RFID-IC acquires the password issued by the ECU/BCM from the electronic key using the RFID communication and unlocks the door by authenticating the acquired password.
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