| 摘要 |
PURPOSE:To improve the operability when a portable telephone set is used for an on-vehicle telephone set in the carrying mode and the on-vehicle mode. CONSTITUTION:An on-vehicle adaptor is separated into an on-vehicle adaptor mobile section 12 and an on-vehicle adaptor stationary section 13 connecting to the section 12 by a curl cord 17, and the mobile section 12 at its rear side is provided with a microphone 18 and a receiver 19. Moreover, a microphone 14, a receiver 15 and a key board 16 are arranged to a front side of a portable telephone set 11. When the portable telephone set 11 and the mobile section 12 are used for an on-vehicle telephone set, dialing is made by using the key board 16 and the microphone 18 an the receiver 19 of the mobile section are used for talking, then troublesome operation at the start of talking is eliminated. |
