Conserving power in hand held mobile telephones during a receivi

Details Conserving power in hand held mobile telephones during a receivi Conserving power in hand held mobile telephones during a receivi

1991-01-15

1993-01-12

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

455127, 455343, H04B 144, H04B 116

Patent

active

051797240

ABSTRACT:
In a radio communication system such as a cellular telephone system having battery powered mobile stations which receive radio frequency signals, an amplifier in the receiver of the mobile station is operated in a plurality of different modes in order to reduce power consumption. The modes of the amplifier depend upon the strength of the incoming signal and whether the transmitter is transmitting. The receiver is also periodically disconnected from the battery in order to further reduce power consumption.

REFERENCES:
patent: 4435846 (1984-03-01), Weise
patent: 4631496 (1986-12-01), Borras et al.
patent: 4631737 (1986-12-01), Davis et al.
patent: 5001776 (1991-03-01), Clark

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