Video signal processing apparatus for restoring an interlaced vi

Details Video signal processing apparatus for restoring an interlaced vi Video signal processing apparatus for restoring an interlaced vi

1991-06-14

1993-04-20

Young, Wayne R.

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 103, 360 362, H04N 5783

Patent

active

052047547

ABSTRACT:
An apparatus for processing an interlaced video signal having (2n+1) horizontal scanning lines (n: an integer) for one frame, which consists of two fields, is provided with a memory capable of storing at least an (n+1) horizontal scanning line portion of the video signal. The apparatus is arranged to reset the reading address of the memory alternately at an interval of n horizontal scanning periods and at an interval of (n+1) horizontal scanning periods and to reset the writing address of the memory in response to the front edge of a vertical synchronizing signal included in the input video signal.

REFERENCES:
patent: 3959819 (1976-05-01), Kubo
patent: 4058840 (1977-11-01), Kasprzak
patent: 4530038 (1985-07-01), Narita
patent: 4636874 (1987-01-01), Hoogendoorn et al.
patent: 4733312 (1988-03-01), Morimoto
patent: 4788604 (1988-11-01), Takeuchi
patent: 4864430 (1989-09-01), Yoshimura et al.
patent: 4882633 (1989-11-01), Nakatani et al.

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