| 摘要 |
The present invention relates to a door lock system using near field communication (NFC). A technological objective of the present invention is to prevent intrusion caused by a revealed password of a door lock or physical breakage of the door lock, and to strengthen security and reduce the installation costs using wireless NFC of a smartphone. To achieve this, the door lock system using NFC in accordance to an embodiment of the present invention includes: an open and close unit provided in an entrance door such that the open and close unit is not exposed outside, to receive a number key-value through NFC, and to open and close the entrance door in accordance to the number key-value; a control unit provided in a portable terminal to provide a number key through the portable terminal, and to transmit a number key-value inputted through the number key to the open and close unit through the NFC of the portable terminal; and an authorization unit provided in the portable terminal to provide the number key through the portable terminal, to set the key-value inputted through the number key as a password to open and close the entrance door and activates the control unit when the password is inputted, wherein the portable terminal includes an entrance door open and close application program, and the control unit or the authorization unit activates from the execution of the entrance door open and close application program. |
