| 摘要 |
A keyless entry device of a vehicle (10) includes: transmission unit (14) installed in the vehicle (10) for transmitting a search signal to a search range including an area inside the vehicle (10) and a vicinity area outside the vehicle (10); reply unit (42, 48, 48a) installed in a portable device (40) carried by a user for transmitting a reply signal when receiving the search signal at several locations within the search range; determination unit (12, 20) for individually determining whether the portable device (40) is present in the area inside the vehicle (10) and the vicinity area outside the vehicle (10) within the search range on the basis of the reply signal transmitted from the portable device (40); and control unit (20. 22) for controlling locking or unlocking of a door of the vehicle (10) on the basis of the determination result of the determination unit (12, 20). |
