| 摘要 |
A system and a method for managing the entrance and exit of employees by utilizing a keytag comprises a keytag ( 100 ) for emitting a unique frequency containing personal data along with a flashing light signal when the keytag bearer arrives or brings it into contact with an entrance terminal scanner, a data reader ( 200 ) for receiving the personal data emitted by the keytag ( 100 ), a controlling server ( 300 ) for comparing the received unique personal data with pre-stored personal data to determine an access permission. The keytag ( 100 ) consists of a memory unit ( 130 ) for storing the personal data, an antenna unit ( 110 ) for communicating the personal data signal remotely or through contact, a power source ( 120 ) for activating the keytag ( 100 ), a signal light unit ( 150 ) for emitting the visible signal, and a control unit ( 140 ) for controlling each unit.
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