Class I cellular mobile telephone apparatus

Details Class I cellular mobile telephone apparatus Class I cellular mobile telephone apparatus

1994-08-22

1996-05-14

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 90, 455343, 455346, 455351, 379 58, 379433, H04B 138, H04M 100

Patent

active

055176828

ABSTRACT:
A class 1 cellular mobile telephone apparatus has an LCD display and keypad provided in a transceiver main unit, which can be installed directly in a passenger compartment of a motor vehicle. The handset unit contains only a speaker and a microphone, eliminating the need for a microprocessor and associated supporting circuitry. The additional space within the handset is utilized for placement of a battery pack power supply for transportable operation of the apparatus. The apparatus is smaller, simpler and lighter in weight than conventional class 1 cellular apparatus.

REFERENCES:
patent: 5029205 (1991-07-01), Archer
patent: 5170494 (1992-12-01), Levanto
patent: 5203021 (1993-04-01), Repplinger et al.
patent: 5251329 (1993-10-01), Takagi et al.
patent: 5265158 (1993-11-01), Tattari
patent: 5287554 (1994-02-01), Furuno

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