Television – Image signal processing circuitry specific to television – A/d converters
Reexamination Certificate
2004-10-13
2008-03-04
Tran, Trang U. (Department: 2622)
Television
Image signal processing circuitry specific to television
A/d converters
C348S441000, C348S505000, C348S544000, C348S571000
Reexamination Certificate
active
07339628
ABSTRACT:
Video decoder systems in which both the analog-to-digital converter and the composite decoder are driven by the stable sample clock, such as a crystal source. The outputs of the composite decoder are provided to a source rate converter, having an output that is provided to a digital output formatter. The digital output formatter is driven by the output clock, which may be locked to the source clock if desired. The output clock is developed by a clock generator which may be one of several different types, including a fractional N synthesizer, a direct digital synthesizer or a puncture clock.
REFERENCES:
patent: 6441860 (2002-08-01), Yamaguchi et al.
patent: 6833875 (2004-12-01), Yang et al.
patent: 7102690 (2006-09-01), Lee et al.
patent: 7102692 (2006-09-01), Carlsgaard et al.
Antone James A.
Chowdhury Ahsan Habib
Gudmondson Daniel
Melanson John L.
Singh Rahul
Cirrus Logic Inc.
Tran Trang U.
Wong Cabello Lutsch Rutherford & Brucculeri LLP
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