| 摘要 |
PURPOSE:To obtain the portable radio telephone set with small size in which talking is available in a clear voice. CONSTITUTION:A reception speaker 12 is built in an upper part of a telephone set main body 10. A transmission reception antenna 15 is provided downward from a lower part of the telephone set main body 10. A transmission microphone 13 is provided to the transmission reception antenna 15 or the mount of the telephone set main body 10 of the transmission reception antenna 15. A throughhole 17 through which sound is collected from the microphone 13 is provided around the transmission reception antenna 15. The antenna 15 acts like a voice tube, the sound uttered by the user is collected by the antenna 15 and transmitted to the microphone 13 through the antenna 15. |
