Television – Image signal processing circuitry specific to television – Noise or undesired signal reduction
Reexamination Certificate
2007-11-20
2007-11-20
Kostak, Victor R. (Department: 2622)
Television
Image signal processing circuitry specific to television
Noise or undesired signal reduction
C348S607000, C375S326000, C375S348000
Reexamination Certificate
active
10772038
ABSTRACT:
Disclosed is a digital TV receiver, in which a symbol synchronization signal and a carrier signal are compensated by detecting multipath channel information. The present invention compensates a carrier and symbol synchronization signal attenuated due to multipath by detecting a degree of attenuation affected by a multipath signal from a pilot signal and symbol timing information, and uses a degree of attenuation affected by a multipath signal detected from a pilot signal and symbol timing information as multipath information to apply to a smart antenna control. Therefore, the present invention enables to enhance receiving performance of the digital TV receiver.
REFERENCES:
patent: 5877816 (1999-03-01), Kim
patent: 6226049 (2001-05-01), Oh
patent: 6292518 (2001-09-01), Grabb et al.
Kostak Victor R.
Lee Hong Degerman Kang & Schmadeka
LG Electronics Inc.
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