Patent ID: 9466162
Filing Date: 2016-10-11
CPC Classification: B60R,G07C

Claim Text:
1. An electronic key system, comprising: a lock-side terminal mounted in a locked object, including a first portable terminal including a second portable terminal including wherein when receiving a request to transfer or copy the electronic key stored in the electronic key storage of the first portable terminal, the second information processing unit instructs the second wireless transceiver unit to send the request to transfer or copy the electronic key with function limitation information in which only a selected function is enabled to the second portable terminal, and wherein when receiving the request to transfer or copy the electronic key from the first portable terminal via the third wireless transceiver unit, the third information processing unit determines whether or not the transfer or copy is possible, and sends to the first portable terminal a response of transfer or copy possible, or transfer or copy impossible based on a result of the determination, and in a case where there is a response of transfer or copy possible with respect to the request to transfer or copy the electronic key from the first portable terminal via the second wireless transceiver unit, the second information processing unit instructs the second wireless transceiver unit to transfer or copy the electronic key to the second portable terminal, and when the electronic key is transferred or copied from the first portable terminal via the second wireless transceiver unit, the transferred or copied electronic key is stored in the electronic key storage of the third information processing unit.