Radio telephone apparatus

Details Radio telephone apparatus Radio telephone apparatus

1988-09-27

1991-10-01

Kuntz, Curtis

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 90, 379 61, H04Q 704

Patent

active

050541153

ABSTRACT:
A radio telephone apparatus including a portable radio device capable of being mounted on and carried out from a vehicle such as an automobile in use. The portable radio device has a transmission-reception antenna accommodatable therein and is connected via a removable coaxial cable with an additional unit mounted on the vehicle. When the radio device is connected to the additional unit via the coaxial cable, a transmission-reception antenna fixed to the vehicle is connected to the radio unit of the portable radio device via the coaxial cable whereas when the portable radio device is removed from the additional unit, the accommodatable transmission-reception antenna is connected to the radio unit of the radio device.

REFERENCES:
patent: 3087117 (1963-04-01), Mitchell
patent: 4636741 (1987-01-01), Mitzlaff
patent: 4700375 (1987-10-01), Reed
patent: 4706274 (1987-11-01), Baker et al.
patent: 4845738 (1989-07-01), Takano

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