| 摘要 |
PURPOSE: A power supply apparatus of a radio frequency identification reader is provided to install an emergency power unit in an RFID reader, thereby preventing information loss of power cutoff or blackout. CONSTITUTION: A power supply apparatus of a radio frequency identification reader includes a main power unit(30) and an emergency power unit(32). The main power unit supplies power to a radio frequency identification reader(10) to operate. The emergency power unit is charged by being connected to the main power unit. The emergency power unit supplies emergency power to the radio frequency identification reader by the charged power if power is temporarily cut off from the main power unit. |
