| 摘要 |
PURPOSE: A handset having a recording microphone inside is provided to simply record details of a telephone call at a low cost, record a stable voice of high quality, and prevent wiretapping. CONSTITUTION: A connection jack(20) is combined with one side of a handset(10). A connection element(11) is connected with a microphone(14) for recording by an induction line. One side of the microphone(14) is connected with the connection element(11), and the other side of the microphone(14) is connected with a receiving side speaker(12) for recording details of a telephone call. The connection jack(20) transmits voice information to an external recorder/player. The induction lines connect the microphone(14) for recording and the receiving side speaker(12), the receiving side speaker(12) and a transmitting side microphone(13), the microphone(14) for recording and the connection element(11).
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