| 摘要 |
PURPOSE:To provide the portable terminal equipment making a reply to a telephone set with priority automatically when an incoming call comes to the telephone set even when a reproduction tone from a voice reproduction device is listened to be providing a transmission/reception function of the telephone set and the listening function of a reproduction sound from the voice reproduction device in common so as to use both functions switchingly. CONSTITUTION:A telephone terminal 5 and voice output devices 6, 7 are selected by a changeover box 3 and a signal radiates in a form of an infrared ray signal from an infrared ray radiator 4, and the terminal equipment receiving the infrared ray signal listenes to the voice by an earphone 15 and when a call reaches the telephone terminals, the changeover box makes connection of the telephone terminal with priority to inform the arrival of a call to the user thereby automatic talking enable state is set. |
