| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a gate management system that secures power saving and communication quality. <P>SOLUTION: The gate management system includes: a gate device 3 which opens a gate 4 by a driving device such as built-in motor when a radio mobile device 50 of an employee is authenticated, a mat (trigger signal generating means) 48 arranged near the gate 4 and generating a trigger signal on detecting employees 1 and 2 entering around the gate 4, and a gate radio station 51 started by the trigger signal to emit a transmission radio wave to the vicinity of the gate 4 and performing authentication determination and opening/closing control over the gate 4 based on management information by receiving a radio wave transmitted from the radio portable device 50 started by the transmission radio wave. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
