Optimized structure for digital separation of composite...

Details Optimized structure for digital separation of composite... Optimized structure for digital separation of composite...

2006-12-19

2006-12-19

Hsia, Sherrie (Department: 2622)

Television

Image signal processing circuitry specific to television

Chrominance-luminance signal separation

C348S641000, C348S727000, C348S665000

Reexamination Certificate

active

07151574

ABSTRACT:
A device and method are provided for implementing digital baseband separation of composite video signals with reduced memory requirements. The method and device require that only the composite signal be stored in a large delay element. Multiple quadrature demodulators are employed to generate multiple delayed complex baseband signals. Therefore, no large complex baseband delay element is required.

REFERENCES:
patent: 5654768 (1997-08-01), Hatano
patent: 6188445 (2001-02-01), Taketani
patent: 6459457 (2002-10-01), Renner et al.
patent: 6504579 (2003-01-01), Scherrer

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