Portable wireless communication apparatus

Details Portable wireless communication apparatus Portable wireless communication apparatus

1988-06-30

1990-02-20

Griffin, Robert L.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 90, 455127, 455343, H04B 138

Patent

active

049033255

ABSTRACT:
A portable wireless communication apparatus of new type is provided. The apparatus is composed of a handset type substantially parallelopiped body which is to be used in combination with a battery pack in a portable mode and a support tray installed in a passenger car room for hand-free use. The top surface of the body is provided with a key operating section, a display section and a speaker. All of them are in the user's sight while the apparatus is being used in the hand-free mode. In the portable mode, on the other hand, all the user has to do is only take up the apparatus away from the tray after the key board operation, hold the receiving section against the ear and talk into the transmitting section without changing the grip.

REFERENCES:
patent: 4122304 (1978-10-01), Mallien, II
patent: 4199204 (1980-04-01), Hodsdon et al.
patent: 4558270 (1985-12-01), Liautaud et al.
patent: 4636741 (1987-01-01), Mitzlaff
patent: 4673861 (1987-06-01), Dubovsky et al.
patent: 4709201 (1987-11-01), Schaefer et al.

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