| 摘要 |
PURPOSE: A method for providing active type security authentication and a terminal and a system supporting the same are provided to prevent illegal usage by efficiently detecting an illegal user. CONSTITUTION: A terminal(100) comprises a wireless communication unit(110), an input unit(120), an audio processing unit(130), a display unit(140), and a storage unit(150). The terminal provides an authentication method according to an active security program(151) saved in the storage unit. The input unit includes a plurality of input keys and function keys for setting various functions. The input unit transfers an input signal, corresponding to a special key selected according to outputs on a security authentication screen, to a controller(160). The audio processing unit outputs an audio signal received through the wireless communication unit or the audio signal generated by audio file reproduction saved in the storage from the controller to a speaker.
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