Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Reexamination Certificate
2011-08-09
2011-08-09
Nguyen, Duc (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Noise or interference elimination
C455S278100, C455S063100, C375S346000, C375S350000
Reexamination Certificate
active
07995981
ABSTRACT:
In one embodiment, a method is provided. An in-band calibration tone is generated at a frequency of an undesired interfering signal. A receiver is calibrated using the calibration tone to reject image interference caused by the undesired interfering signal.
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Actions on the Merits in copending U.S. Appl. No. 11/263,280 and U.S. Appl. No. 11/523,440.
Actions on the Merits in copending U.S. Appl. No. 11/263,280 and U.S. Appl. No. 11/523,440 as of Mar. 2, 2010.
Actions on the Merits in copending U.S. Appl. No. 11/263,280 and U.S. Appl. No. 11/523,440 as of Jun. 30, 2010.
Actions on the Merits in copending U.S. Appl. No. 11/263,280 and U.S. Appl. No. 11/523,440 as of Oct. 26, 2010.
Gao Li
Johnson Richard A
Nohrden James M.
Chow Charles
Nguyen Duc
Polansky Paul J.
Polansky & Associates, P.L.L.C.
Reed R. Michael
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