Mobile telephone apparatus

Details Mobile telephone apparatus Mobile telephone apparatus

2005-03-08

2005-03-08

Nguyen, Lee (Department: 2182)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S552100, C455S075000, C455S011100, C455S113000, C455S127500

Reexamination Certificate

active

06865399

ABSTRACT:
In a mobile telephone apparatus corresponding to dual-band provided with an RF power module to operate in two kinds of different frequencies, a common harmonics control circuit is provided to the output circuit of such RF power module to realize higher efficiency in view of controlling respective harmonics power for both band frequencies. Moreover, a means for selectively setting the bias is also provided so that the maximum efficiency can be attained depending on the output power required with respective communication systems with the bias control signal output from the CPU of the control unit interlocking with selection of frequency of the mobile telephone apparatus body.

REFERENCES:
patent: 5256987 (1993-10-01), Kibayashi et al.
patent: 5548246 (1996-08-01), Yamamoto et al.
patent: 5745857 (1998-04-01), Maeng et al.
patent: 6091966 (2000-07-01), Meadows
patent: 6163222 (2000-12-01), Kobayashi
patent: 6298244 (2001-10-01), Boesch et al.
patent: 6366788 (2002-04-01), Fujioka et al.
patent: 60-109310 (1985-06-01), None
patent: 61-121537 (1986-06-01), None
patent: 9-205464 (1997-08-01), None

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