| 摘要 |
<p>Disclosed are a method and an apparatus to form a door lock system using a portable terminal. A locking device releasing method of a door lock includes the following steps of: transmitting a door lock identifier requesting message to the door lock in the portable terminal through near field communications (NFC); transmitting a door lock identifier responding message from the door lock to the portable terminal as a response to the door lock identifier requesting message; transmitting an authentication requesting message to a server based on the door lock identifier responding message in the portable terminal; transmitting a door lock locking device releasable message or a door lock locking device un-releasable message to the portable terminal based on the authentication requesting message in the server; and transmitting a door lock locking device release requesting message, which is generated based on the door lock locking device releasable message, to the door lock in the portable terminal through the NFC.</p> |
