Digital tuner

Details Digital tuner Digital tuner

2007-02-13

2007-02-13

Moe, Aung (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S323000

Reexamination Certificate

active

10941953

ABSTRACT:
A digital tuner of the invention has: a filter section that selects a desired reception signal from inputted reception signals; a converter section that performs frequency conversion on the desired reception signal selected by the filter section; a level monitor section that monitors, with respect to a signal based on the signal outputted from the filter section, the signal levels thereof at two or more frequencies within the reception band; and a waveform shaper section that varies the waveform inclination of signals based on the inputted reception signals within the reception band according to the results of monitoring by the level monitor section. This configuration helps reduce the waveform inclination of the output signal.

REFERENCES:
patent: 6968173 (2005-11-01), Cowley
patent: 7039385 (2006-05-01), Hoffmann et al.
patent: 7065337 (2006-06-01), Cowley et al.
patent: 8-289221 (1996-11-01), None
patent: 9-232989 (1997-09-01), None

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