| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable telephone terminal charge system, which can realize a ringer in large volume of an arrival sound or a long playback of music files, without incurring changes of the setting of the body or the increase in power consumption. SOLUTION: When the body 1 of a portable telephone is placed on a desk-top holder 2 for a portable telephone, the charge from a power supplier 24 to a battery 18 is started. At the same time, since the audio output terminal 16 of the body 1 of the portable telephone and the audio input terminal 22 of the desk-top holder 2 for a portable telephone contact with each other, termination sound, a played-back sound, etc., are outputted from the audio output terminal 16, and they are inputted into the audio input terminal 22. Sound, inputted into the audio input terminal 22, is amplified with an amplifier 23 and is outputted outside from a speaker 21.
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