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ELECTRONIC KEY SYSTEM

  • US 20170136990A1
  • Filed: 04/10/2015
  • Published: 05/18/2017
  • Est. Priority Date: 05/15/2014
  • Status: Active Grant
First Claim
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1. An electronic key system in which a vehicle side device mounted on a vehicle authenticates an electronic key carried by a user, and a vehicle door is locked and unlocked according to an authentication result, through a wireless communication between the electronic key and the vehicle side device, at least one of the electronic key and the vehicle side device comprising:

  • a communication device configured to be communicatable with a location information terminal that is carried by the user and is capable of acquiring location information;

    a storage unit acquiring the location information from the location information terminal through the communication device, and storing information on an unlocking permissible range based on the location information when the vehicle door is locked; and

    a discrimination unit acquiring the location information from the location information terminal through the communication device, and discriminating whether the acquired location information falls within the unlocking permissible range, or not, when the wireless communication is performed between the electronic key and the vehicle side device for unlocking the vehicle door, whereinwhen the discrimination unit discriminates that the position of the electronic key does not fall within the unlocking permissible range, the vehicle door is not unlocked, andthe electronic key includes a display unit that performs a display for informing the user of a fact that the location information is not capable of being acquired in a case where the location information is not capable of being acquired from the location information terminal when the wireless communication is performed between the electronic key and the vehicle side device because the vehicle door is unlocked.

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