| 摘要 |
PURPOSE:To effectively prevent an unauthorised person from getting into a room at relatively low cost.by providing a main door and a gate flapper, etc., which are opened and closed in response to identification information delivered from an incoming person at the entrance of a security room. CONSTITUTION:In one-way mode wherein a first main door 11 is set exclusively for entrance into a room and a second main door exclusively for leaving a room, a person intending to enter a security room SR (incoming person) slides an ID card through a card reader A1 to have it read out. If the identification information thus read out is correct, the door 11 is opened on a command signal outputted from a decision controller, whereupon the incoming person advances to a waiting space WSA and slides the ID card through a card reader A2 to have it read out. If the identification information thus read out is correct, a first gate flapper 24 is opened on a command signal from the decision controller to allow the incoming person to enter the room SR. |
