To provide an electronic key, a vehicle, an electronic key system, and an electronic key system control method, all for enabling confirmation of various kinds of information such as vehicle information even at a long distance with low power consumption.
An electronic key system 100 includes a vehicle 200, and an electronic key 300. The electronic key 300 can control the vehicle 200. The electronic key 300 includes a receiving part 320 for receiving given vehicle information from the vehicle 200, and a display part 340 for displaying information corresponding to the vehicle information received by the receiving part 320. The receiving part 320 can receive the vehicle information via signals of frequency bands different depending on a distance from the vehicle 200.
| JP2010138623A | 2010-06-24 | |||
| JP2011155775A | 2011-08-11 |
Osamu Suzawa
Kazuhiko Miyasaka