Radio frequency transceiver

Telecommunications – Transmitter and receiver at same station – With a common signal processing stage

Reexamination Certificate

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Details

C455S086000, C455S260000, C455S255000, C455S085000, C455S087000

Reexamination Certificate

active

07542731

ABSTRACT:
Provided is a radio frequency transceiver. The radio frequency transceiver includes: a receiving unit for converting a radio frequency signal received by an antenna into an intermediate signal based on an intermediate local signal; a transmitting unit for converting an intermediate signal into a radio frequency signal based on a radio frequency local signal; and a local signal generating unit for generating the intermediate local signal and the radio frequency local signal.

REFERENCES:
patent: 4426627 (1984-01-01), Yoshisato et al.
patent: 4811424 (1989-03-01), Cox
patent: 6351502 (2002-02-01), Zargari
patent: 6366764 (2002-04-01), Yang et al.
patent: 6961546 (2005-11-01), Rofougaran et al.
patent: 7194044 (2007-03-01), Birkett et al.
patent: 2002/0034932 (2002-03-01), Welland
patent: 2003/0007550 (2003-01-01), Cook et al.
patent: 2003/0063690 (2003-04-01), Paulus et al.
patent: 2003/0119466 (2003-06-01), Goldman
patent: 2003/0219067 (2003-11-01), Birkett et al.
patent: 2007/0015471 (2007-01-01), Cook et al.
patent: 1998-026710 (1998-07-01), None
patent: 2002-0047542 (2002-06-01), None

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