| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a door security system for preventing the invasion of a suspicious person by indicating the presence of a door for entering a room only to a person who are allowed to enter the room. <P>SOLUTION: A room number of a room to which a visitor is to be guided is read from a customer card 40 held by the visitor 35 by an authentication means 26 disposed at an entrance 6 to an entrance space 2 in which a plurality of rooms 20 are disposed. The visitor who is guided into the room is confirmed by an entrance display means and an illumination display disposed on the wall member used commonly for a door and an authentication means _D18 disposed on the wall part used commonly for the door. Then, the visitor is guided into the room disposed at the bottom of the entrance. <P>COPYRIGHT: (C)2009,JPO&INPIT |
