| 摘要 |
PURPOSE: A karaoke device using an RFID and a karaoke system are provided to perform a payment automatically by using 'a card mounted on a mobile terminal or a credit card of a user' in 'a karaoke where an administrator is absence'. CONSTITUTION: A karaoke device using a radio frequency identification (RFID) and a karaoke system comprise the following steps: an RFID recognition unit (110) recognizes card information; a communication unit (140) transmits and receives data; an input unit (120) receives 'input data indicating a using time'; and a controller (160) transmits 'authentication request information including card information' based on the input data through the communication unit, receives 'admission information answering to the authentication request information' through the communication unit, and controls a karaoke device based on the received admission information. [Reference numerals] (110) RFID recognition unit; (120) Input unit; (130) Output unit; (140) Communication unit; (150) Storage unit; (160) Controller; (170) System bus/control bus
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