| 摘要 |
PURPOSE: A short distance mobile phone using Bluetooth is provided to perform a short distance call function, various supplementary functions and a function of using contents at a low cost without incurring a mobile communication telephone charge. CONSTITUTION: A key pad(11) processes user's inputting. An LCD display(12) displays a situation. A microphone(14) receives a sound. A speaker(15) outputs a sound. The Bluetooth(13) handles short distance wireless communication. According to a program for controlling these elements, one side attempts making a call and the other side recognizes a corresponding request signal based on a specific sound of the speaker(15) and allows receiving of the call, whereby bi-directional short distance call communication is made.
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