Vehicle-mounted receiving apparatus for reducing distortion,...

Details Vehicle-mounted receiving apparatus for reducing distortion,... Vehicle-mounted receiving apparatus for reducing distortion,...

2006-03-23

2008-11-18

Vuong, Quochien B (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

C455S245100, C455S272000, C455S345000, C455S575900, C375S346000

Reexamination Certificate

active

07454180

ABSTRACT:
A first low-noise amplifier is connected to a first receiving processing unit through a first cable and a bypass circuit is provided in parallel to the first low-noise amplifier so as to bypass the first low-noise amplifier. In the case that the intensity of broadcasting signal is more than a predetermined value, when the C/N is more than a first predetermined value and less than a second predetermined value higher than the first predetermined value, the broadcasting signal is transmitted to the first cable through the first low-noise amplifier, and when the C/N is less than the first predetermined value or more than the second predetermined value, the broadcasting signal is not input to the first low-noise amplifier but transmitted to the first cable through the bypass circuit.

REFERENCES:
patent: 6009129 (1999-12-01), Kenney et al.
patent: 6600913 (2003-07-01), Brankovic et al.
patent: 6721549 (2004-04-01), Lee et al.
patent: 6831957 (2004-12-01), Chen
patent: 2001/0021644 (2001-09-01), Jang
patent: 0447194 (1991-09-01), None
patent: 0874452 (1998-10-01), None
patent: 1677436 (2006-07-01), None
patent: 11-46151 (1999-02-01), None
patent: 2000-41020 (2000-02-01), None
European Examination report dated Jun. 22, 2007 for European application No. 06008796.2-2411.

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