Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Reexamination Certificate
2008-03-04
2008-03-04
Le, Lana (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Local control of receiver operation
C455S127100, C455S126000, C455S067110, C455S226100, C375S319000, C375S150000, C375S324000, C375S295000
Reexamination Certificate
active
11020354
ABSTRACT:
An Ultra Wide Band (UWB) transmitting and receiving device that includes a Digital Signal Processor (DSP) for implementing a DC offset cancellation algorithm, an adder for adding a baseband transmission signal from the transmitter and a calibration signal produced by the algorithm of the DSP, a modulator for modulating the signal from the adder, a transmitter amplifier for amplifying the modulated signal, a coupler for applying the output of the transmitter to the receiver, and a switch for selectively connecting the output of the coupler to the input of the receiver.
REFERENCES:
patent: 5519887 (1996-05-01), Lieu
patent: 6255986 (2001-07-01), Alberty et al.
patent: 6498929 (2002-12-01), Tsurumi et al.
patent: 6707860 (2004-03-01), Sevenhans
patent: 6816712 (2004-11-01), Otaka et al.
patent: 6937646 (2005-08-01), McCorkle
patent: 2004/0071118 (2004-04-01), Dabak et al.
Cho Tae-Hui
Jun Si-Bum
Kim Kook-Jun
Lee Sun-Gi
Akbar Muhammad
Le Lana
Samsung Electronics Co,. Ltd.
The Farrell Law Firm P.C.
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