Apparatus for video signal processing

Details Apparatus for video signal processing Apparatus for video signal processing

1997-09-11

1998-09-29

Tran, Thia

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386112, 386 91, 386126, H04N 576

Patent

active

058156321

ABSTRACT:
An apparatus for video signal processing satisfactorily synthesizes images by using field memories and includes control circuit for controlling an operation for making an image, first and second field memories in which image data is written under the control of the control circuit, and output circuit for outputting image data alternately read out from the first and second field memories at a field period as a video signal to be displayed in an interlace fashion, wherein a vertical direction coordinate of coordinate data written in the second memory is shifted from a vertical coordinate written in the first field memory by half of a horizontal line.

REFERENCES:
patent: 4437125 (1984-03-01), Yamamoto
patent: 4703369 (1987-10-01), Moriyama et al.
patent: 4716460 (1987-12-01), Benson et al.
patent: 4775859 (1988-10-01), Starkey, IV et al.
patent: 4831557 (1989-05-01), Murata
patent: 5208679 (1993-05-01), Yamauchi et al.

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