Telecommunications – Transmitter and receiver at separate stations – Distortion – noise – or other interference prevention,...
Reexamination Certificate
2003-01-21
2009-12-08
Nguyen, Duc (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Distortion, noise, or other interference prevention,...
C455S191100, C455S192200, C455S192300, C375S344000, C375S345000
Reexamination Certificate
active
07630686
ABSTRACT:
A radio-frequency signal receiver and its manufacturing method are disclosed. A tuner receives a radio-frequency signal, and a demodulator receives an output signal from the tuner. An error corrector receives an output from the demodulator. A determiner determines whether or not an error rate supplied from the error corrector is not less than a predetermined rate. A controller receives an output from the determiner, and based on the determination, the controller controls a plurality of sections forming the radio-frequency signal receiver. The controller controls selectively one of the plurality of sections, thereby lowering the error rate. A manufacturing method of this receiver makes a memory, coupled to the controller, store a shift-amount of frequency corresponding to an interference signal in a pass-band of a narrow-band filter.
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Japanese International Search Report for PCT/JP03/00464, dated Mar. 4, 2003.
Fukutani Junichi
Furusawa Toshihiro
Kitagawa Motoyoshi
Yasuda Masashi
Chow Charles
Nguyen Duc
Panasonic Corporation
RatnerPrestia
LandOfFree
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