Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2007-11-13
2007-11-13
Trinh, Sonny (Department: 2687)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S313000, C455S333000
Reexamination Certificate
active
09566188
ABSTRACT:
Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering and the down-conversion operations are performed in an integrated, unified manner. The apparatus described herein can be implemented as an integrated circuit (IC). The apparatus may include a module or modules for gain control.
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Bultman Michael J.
Cook Robert W.
Looke Richard C.
Moses, Jr. Charley D.
Sorrells David F.
Bhattacharya Sam
ParkerVision, Inc.
Sterne Kessler Goldstein & Fox PLLC
Trinh Sonny
LandOfFree
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