KEYLESS ENTRY SYSTEM, AND METHOD OF UPDATING LOCKING/UNLOCKING INFORMATION IN KEYLESS ENTRY SYSTEM

摘要

PROBLEM TO BE SOLVED: To confirm the locked/unlocked state of a door even with a keyless remote control not implemented for locking/unlocking of the door.;SOLUTION: In this keyless entry system with a plurality of keyless remote controls 200 registered for a vehicle V, the keyless remote control 200 comprises a memory 226 storing locking/unlocking information indicating the locked/unlocked state of the door, and time information indicating the updated time of the information, and an information updating section 224 updating the locking/unlocking information stored in the memory 226. The information updating section 224 is configured, in the case of receiving locking/unlocking information and time information transmitted from the other remote control, to rewrite and update the locking/unlocking information stored in the memory 226, into the locking/unlocking information transmitted from the other remote control when the locked/unlocked state of the door indicated in the locking unlocking information transmitted from the other remote control differs from the locked/unlocked state of the door indicated in the locking/unlocking information stored in the memory 226 and the locking/unlocking information transmitted from the other remote control is newer than the locking/unlocking information stored in the memory 226.;COPYRIGHT: (C)2009,JPO&INPIT