| US 7,403,099 B2 | ||
| Smart key system | ||
| Hodaka Kamiya, Obu (Japan); Masachika Kamiya, Toyota (Japan); Tomoo Kakegawa, Nishikamo-gun (Japan); and Akihiro Muramatsu, Toyota (Japan) | ||
| Assigned to DENSO CORPORATION, Kariya (Japan); and Toyota Jidosha Kabushiki Kaisha, Aichi-pref. (Japan) | ||
| Filed on Sep. 06, 2005, as Appl. No. 11/218,527. | ||
| Claims priority of application No. 2004-260019 (JP), filed on Sep. 07, 2004. | ||
| Prior Publication US 2006/0082436 A1, Apr. 20, 2006 | ||
| Int. Cl. B60R 25/10 (2006.01) | ||
| U.S. Cl. 340—426.29 [307/10.2; 340/5.72; 340/426.16; 340/426.17; 340/426.28] | 12 Claims |
| 1. A smart key system for a vehicle comprising:
an in-trunk communicator provided within a trunk of a vehicle and configured for wirelessly communicating with a mobile communicator
in the trunk of the vehicle;
a trunk lock status detector for detecting a lock/unlock status of the trunk;
a controller for executing:
an ex-room process for determining that the mobile communicator is not in a passenger compartment of the vehicle;
an in-trunk process for determining that the in-trunk communicator communicates with the mobile communicator when the trunk
lock status detector detects that the trunk gets locked; and
a predetermined process for the mobile communicator locked in the trunk, based on the determinations of the ex-room process
and the in-trunk process,
wherein the in-trunk communicator is located at a corner of the trunk,
wherein the in-trunk communicator includes a transmitter and a receiver located at different corners of the trunk.
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