| 摘要 |
PURPOSE: A portable telephone is provided to operate a sensor connected to an inner circuit in case of detecting a stranger or a moving material for contacting to an inputted number set beforehand to prevent a robbery. CONSTITUTION: A portable telephone comprises: a detecting sensor(11) formed as a heat detecting sensor or a light detecting sensor for being introduced to the portable telephone(10); connecting the detecting sensor to a circuit stored in the portable telephone; and a voice outputting unit(13) receiving as usual in a normal state and inputting a voice inputted to a voice IC chip of the stored circuit through a voice inputting unit(14) while detecting a stranger from the detecting sensor for informing an invasion.
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