| 摘要 |
PURPOSE: A key input device and an operation method of an NFC are provided to selectively connect various types of input devices in an NFC communication method. CONSTITUTION: A keypad unit (180) comprises multiple keys. A second NFC antenna unit (155) and a second NFC transceiver (160) perform the mobile unit and NFC. A charge unit (165) converts an alternative current into a direct current through an electric wave. An analysis unit (170) determines a key value corresponding to the pressed key in the keypad unit. The analysis unit supplies the determined key to the second NFC transceiver. [Reference numerals] (105) First NFC antenna unit; (110) First NFC transceiver; (115) Communication managing unit; (120) Touch induction screen; (125) Control unit; (155) Second NFC antenna unit; (160) Second NFC transceiver; (165) Charge unit; (170) Interpreting unit; (175) Storing unit; (180) Keypad unit
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