| 摘要 |
PURPOSE: A security enhanced door-lock equipped with an external power connector and a motion sensor is provided to cost effectively increase security performance and to remain messages to an authorized user. CONSTITUTION: An authorized user is authenticated, and a public message is registered. The message displaying part(25) of a door-lock displays the messages. When the user opens the door-lock, the message displaying part of the door-lock displays a closed message. An external interface module(26) informs the transmittance of the closed message to a pre-determined user. The external interface module with/without wires is interlocked with an external input/output unit. |
