| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a lock system for preliminarily registering a usable communication instrument body and usable frequencies in a lock device, and simply performing locking and unlocking for the usable frequencies by using the registered communication instrument body.SOLUTION: A risk card 3 in which individual identification information and usable frequencies of a smart phone 2 are registered and the usable smart phone 2 in which the individual identification information is registered are communicated with a lock device by non-contact, respectively, and the individual identification information of the risk card 3, the individual identification information of the smart phone 2, and the usable frequencies of the smart phone 2 are preliminarily registered in the lock device. After registration, the lock device can be locked and unlocked for the usable frequencies by the usable smart phone 2. The risk card 3 can be made unusable after the registration.</p> |
