| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an entering and leaving management system, enough ensuring security and enough holding down the cost for organizing the system. <P>SOLUTION: When an entering request person in a first radio communication area or a leaving request person in a second radio communication area is determined not to permit entering or leaving, a host device 1 does not direct unlatching of an electronic lock 8 of a door 7. Accordingly, when a permitted person leaves a management area, it is possible to prevent the situation where an unpermitted person enters the management area, or when the permitted person enters the management area, an unpermitted person leaves the management area. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
