Tuner and demodulating unit thereof

Details Tuner and demodulating unit thereof Tuner and demodulating unit thereof

2005-03-22

2010-02-16

Pascal, Robert (Department: 2817)

Demodulators

Frequency modulation demodulator

Having specific distortion, noise or other interference...

C329S323000, C348S727000, C348S736000

Reexamination Certificate

active

07663431

ABSTRACT:
A tuner and a demodulating unit thereof are provided. A trap filter for a specific frequency is installed in the IF demodulating unit so as to eliminate a frequency signal acting as a beat component.

REFERENCES:
patent: 5337091 (1994-08-01), Harford et al.
patent: 6031878 (2000-02-01), Tomasz et al.
patent: 6667760 (2003-12-01), Limberg
patent: 7-30829 (1995-01-01), None
patent: 1993-0011595 (1993-12-01), None
patent: 1999-013325 (1999-04-01), None
English language abstract of KR-20-0137021 (Apr. 1, 1999).

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