Apparatus and method of generating video-reproducing clock...

Details Apparatus and method of generating video-reproducing clock... Apparatus and method of generating video-reproducing clock...

2003-12-24

2010-10-19

Tran, Thai (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C360S060000, C380S201000, C380S202000, C380S203000, C380S204000, C380S205000, C380S206000, C380S207000, C380S208000, C380S209000, C705S057000, C369S053210, C369S047120, C369S030050

Reexamination Certificate

active

07817902

ABSTRACT:
An apparatus and a method of generating a video-reproducing clock signal from a 480p signal. The apparatus generates a video-reproducing clock signal from a 480p signal that includes a vertical synchronization signal, horizontal synchronization signals, and copy guard signals. The apparatus includes a coast signal generating unit and a clock signal generating unit. The coast signal generating unit generates a plurality of coast signals with pulse widths, each of which covers the different number of copy guard signals on the basis of the present copy guard signal in one frame signal of the 480p signal. The clock signal generating unit generates horizontal synchronization signals at the same period as that of the horizontal synchronization signals generated in a previous frame, while the corresponding coast signal is being generated.

REFERENCES:
patent: 5469220 (1995-11-01), Kumada
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patent: 5621475 (1997-04-01), Irie
patent: 5892745 (1999-04-01), Belser
patent: 6768385 (2004-07-01), Smith
patent: 7015973 (2006-03-01), Kim
patent: 2002/0167365 (2002-11-01), Smith
patent: 2004/0047252 (2004-03-01), Miyatake et al.
patent: WO 0239434 (2002-05-01), None

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