Patent ID: 9306735
Filing Date: 2016-04-05
CPC Classification: B60R,G07C,H04L

Claim Text:
1. An electronic key registration system comprising: an electronic key device having a key ID unique to the electronic key device; a controller having a first piece of information, wherein the controller is configured to be arranged in a communication subject; and a registration tool having a second piece of information that is a registration tool ID of the registration tool, wherein the registration tool is configured to write the key ID to the controller, and the registration tool ID of the registration tool differs depending on a first use location of the registration tool, wherein encrypted communication between the communication subject and the electronic key device is enabled after electronic key registration, one or both of the controller and the registration tool is configured to compare, before the electronic key registration, the first piece of information, which is stored in the controller, and the second piece of information, which is stored in the registration tool, the controller is configured to permit the electronic key registration when the first piece of information and the second piece of information conform to each other, the controller is configured to prohibit the electronic key registration when the first piece of information and the second piece of information do not conform to each other, and the controller is configured to store in advance the first piece of information that is an ID of an authorized registration tool authorized to register the electronic key device to the controller, the ID of the authorized registration tool corresponding to a second use location of the authorized registration tool, wherein each of the first piece of information and the second piece of information corresponds to a specific plant where the electronic key registration is performed.