Method and system for performing PAL chroma two-line...

Details Method and system for performing PAL chroma two-line... Method and system for performing PAL chroma two-line...

2005-08-16

2005-08-16

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S589000, C345S600000, C348S665000, C348S667000

Reexamination Certificate

active

06930677

ABSTRACT:
A method and system for performing combing for PAL chroma data for a display having a plurality of lines is disclosed. The display is capable of depicting a frame including a horizontal boundary having a top edge and a bottom edge. The top line of the plurality of lines is at the top edge of the horizontal boundary, while a bottom line of the plurality of lines is at the bottom edge of the horizontal boundary. The method and system include replacing bottom line chroma data with previous line chroma data for the top line. The method and system also include replacing top line chroma data with subsequent line chroma data for the bottom line. The method and system can also provide three-line combing chroma data for a remaining portion of the plurality of lines.

REFERENCES:
patent: 4707732 (1987-11-01), Matono et al.
patent: 5134467 (1992-07-01), Kim
patent: 5526060 (1996-06-01), Raby
patent: 6300985 (2001-10-01), Lowe et al.
patent: 6459457 (2002-10-01), Renner et al.
patent: 6462790 (2002-10-01), Lowe et al.

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