Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2011-02-22
2011-02-22
Nguyen, Lee (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S207000, C375S328000, C375S340000
Reexamination Certificate
active
07894789
ABSTRACT:
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset voltages and re-radiation generated when down-converting an electromagnetic (EM) signal is also described herein. Down-converting a signal and improving receiver dynamic range is also described herein.
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Bultman Michael J.
Cook Robert W.
Jensen Jonathan S.
Johnson Martin R.
Looke Richard C.
Nguyen Lee
ParkerVision, Inc.
Sterne Kessler Goldstein & Fox P.L.L.C.
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