| 摘要 |
PURPOSE: A multi RFID key holder and a control system using the same are provided to reinforce internal security and minimize the poser waste of public facilities. CONSTITUTION: A multi RFID key holder comprises a plurality of RFID card key holder at an entrance. The card key holder comprises a holder which keeps a plurality of RFID cards, a recognition part which can recognizes one or more RFIDs, a communication unit which transmits the recognition information to a server computer, and a power control unit which controls the power by the recognition information. |
