Multi-mode cellular phone terminal

Details Multi-mode cellular phone terminal Multi-mode cellular phone terminal

2006-04-25

2006-04-25

To, Doris H. (Department: 2682)

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

C455S552100, C455S553100, C455S562100, C455S085000, C455S086000

Reexamination Certificate

active

07035596

ABSTRACT:
In such a multi-mode cellular phone terminal, a transmitter, a receiver and a synthesizer are composed of common hardware that can be used in a plurality of communications systems. A channel CODEC, a modulator, an equalizer and memory for signal processing programs are composed of common hardware to execute signal processing supporting a plurality of communications systems. A CPU and memory for a communications control program supports different communications control systems. Thus, it is provided a multi-mode cellular phone terminal that supports different communications systems with compact design and low cost.

REFERENCES:
patent: 5585617 (1996-12-01), Ohbuchi et al.
patent: 5668837 (1997-09-01), Dent
patent: 5745523 (1998-04-01), Dent et al.
patent: 5812539 (1998-09-01), Dent
patent: 6516201 (2003-02-01), Kanbara et al.
patent: 1185703 (1998-06-01), None
patent: 1250985 (2000-04-01), None

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