| 摘要 |
A door lock device is provided to prevent a secret number from being exposed through monitoring an input process of the secret number. A door lock device(100) includes a locking unit(10) installed on a door to lock and unlock the door. An authentication unit has a user interface unit(31) and a flexible printed circuit board. The user interface unit is installed on an outdoor side of the door and receives an authentication command from a user. The flexible printed circuit board is electrically connected to the user interface unit to output a driving signal to drive the locking unit when the authentication command is inputted. A driving unit is electrically connected to the flexible printed circuit board and is connected to the locking unit to drive the locking unit during the input of the driving signal. A moving unit is coupled to the authentication unit and is installed on an outdoor side of the door to move in a direction crossing in up and down directions.
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