| 摘要 |
<p>Disclosed is a digital door-lock, a door-lock control system and a control method thereof that controls the opening and closing of a door by transmitting image data of visitors to a mobile terminal. A door-lock control system comprises: a digital door-lock that generates visitor information when a visitor manipulates the key input part of a door-lock and enters unlock information; a door-lock server that receives visitor information from the digital door-lock through the mobile communication network and stores in advance the keys that may be used to lock or unlock the digital door-lock; a mobile terminal that sends unlock command of the digital door-lock to the door-lock server. The system enforces crime prevention by sending image data of a visitor who is attempting to unlock the door and by remotely controlling the opening and closing of the door or remotely reporting the intruder.</p> |
