KEYLESS ENTRY DEVICE OF VEHICLE
First Claim
1. A keyless entry device of a vehicle comprising:
- transmission means installed in the vehicle for transmitting a search signal to a search range including an area inside the vehicle and a vicinity area outside the vehicle;
reply means installed in a portable device carried by a user for transmitting a reply signal when receiving the search signal at several locations within the search range;
determination means for individually determining whether the portable device is present in the area inside the vehicle and the vicinity area outside the vehicle within the search range on the basis of the reply signal transmitted from the portable device; and
control means for controlling locking or unlocking of a door of the vehicle on the basis of the determination result of the determination means,wherein upon controlling the locking of the door, the control means changes a status of the door from an unlocked status to a locked status under a condition that the determination means determines that the portable device is present in the vicinity area outside the vehicle at least once.
2 Assignments
0 Petitions
Accused Products
Abstract
A keyless entry device of a vehicle includes: a transmission unit installed in the vehicle that transmits a search signal to a search range including an area inside the vehicle and a vicinity area outside the vehicle; a reply unit installed in a portable device carried by a user that transmits a reply signal when receiving the search signal at several locations within the search range; a determination unit that individually determines whether the portable device is present in the area inside the vehicle and the vicinity area outside the vehicle within the search range on the basis of the reply signal transmitted from the portable device; and a control unit that controls locking or unlocking of a door of the vehicle on the basis of the determination result of the determination unit.
20 Citations
6 Claims
-
1. A keyless entry device of a vehicle comprising:
-
transmission means installed in the vehicle for transmitting a search signal to a search range including an area inside the vehicle and a vicinity area outside the vehicle; reply means installed in a portable device carried by a user for transmitting a reply signal when receiving the search signal at several locations within the search range; determination means for individually determining whether the portable device is present in the area inside the vehicle and the vicinity area outside the vehicle within the search range on the basis of the reply signal transmitted from the portable device; and control means for controlling locking or unlocking of a door of the vehicle on the basis of the determination result of the determination means, wherein upon controlling the locking of the door, the control means changes a status of the door from an unlocked status to a locked status under a condition that the determination means determines that the portable device is present in the vicinity area outside the vehicle at least once. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A keyless entry device of a vehicle comprising:
-
a transmission unit installed in the vehicle that transmits a search signal to a search range including an area inside the vehicle and a vicinity area outside the vehicle; a reply unit installed in a portable device carried by a user that transmits a reply signal when receiving the search signal at several locations within the search range; a determination unit that individually determines whether the portable device is present in the area inside the vehicle and the vicinity area outside the vehicle within the search range on the basis of the reply signal transmitted from the portable device; and a control unit that controls locking or unlocking of a door of the vehicle on the basis of the determination result of the determination unit, wherein upon control of the locking of the door, the control unit changes a status of the door from an unlocked status to a locked status under a condition that the determination unit determines that the portable device is present in the vicinity area outside the vehicle at least once.
-
Specification