Method of and apparatus for operating a cellular phone in one of

Details Method of and apparatus for operating a cellular phone in one of Method of and apparatus for operating a cellular phone in one of

1995-02-01

1999-12-28

Eisenzopf, Reinhard J.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455466, 455515, 455553, H04Q 732

Patent

active

060093250

ABSTRACT:
A unique method and apparatus automatically switches between a voice mode and a data mode in a wireless communication device. In particular, a communication device (200) adapted to voice and data signals monitors a data network for data traffic for a first predetermined period of time (506), then monitors a cellular control channel (516) for cellular traffic during a sleep mode of the data network before establishing normal cellular operation. The method and apparatus increases efficient use of channel capacity by selectively switching between systems during periods of nonuse. Finally, according to other novel aspects of the present invention, user prompts (606, 618) enable efficient use of a communication device capable of transmitting and receiving both voice and data.

REFERENCES:
patent: 5420911 (1995-05-01), Dahlin et al.
patent: 5479479 (1995-12-01), Braitberg et al.
patent: 5526398 (1996-06-01), Okada et al.
patent: 5574750 (1996-11-01), Peponides et al.
patent: 5590133 (1996-12-01), Billstrom et al.

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