Communication module having tuner units that are separated...

Details Communication module having tuner units that are separated... Communication module having tuner units that are separated...

2006-06-08

2010-11-23

Jackson, Blane J (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

C334S085000

Reexamination Certificate

active

07840201

ABSTRACT:
A communication module is provided in which its characteristic of separation between its first and second tuner units is improved. The module is equipped with a circuit board having a first main surface, and a second main surface opposite to the first main surface; a first amplifier arranged on the first main surface, for amplifying a first signal; a first mixer arranged on the first main surface, for converting a signal supplied from the first amplifier to an intermediate-frequency signal; a second amplifier for amplifying a second signal; and a mixer for converting a signal supplied from the second amplifier to an intermediate-frequency signal, both arranged on the second main surface of the circuit board.

REFERENCES:
patent: 4920455 (1990-04-01), Maier et al.
patent: 6737945 (2004-05-01), Kawai
patent: 7030938 (2006-04-01), Kawakami
patent: 7634225 (2009-12-01), Kawakami et al.
patent: 2003/0007450 (2003-01-01), Ohtaki
patent: 5-13098 (1993-02-01), None
patent: 11-317687 (1999-11-01), None
patent: 11-341374 (1999-12-01), None
patent: 2003-018123 (2003-01-01), None

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