Video signal memories

Details Video signal memories Video signal memories

1985-09-17

1988-08-23

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, H04N 514

Patent

active

047664967

ABSTRACT:
A video signal memory which may, for example, form a field memory in a special effects equipment of a high definition video system, provides storage for n.sup.2 m video data words and has n.sup.2 memory modules each capable of storing m video data words corresponding respectively to sample values at respective sample positions of a raster display, each memory module being arranged to store one only of the video data words in any square of n by n sample positions of the raster in any one write cycle, and means to write up to n video data words corresponding to n adjacent collinear sample positions of the raster in the video memory in any one write cycle.

REFERENCES:
patent: 3996559 (1976-12-01), Morrin et al.
patent: 4090174 (1978-05-01), Van Voorhis
patent: 4437121 (1984-03-01), Taylor
patent: 4667190 (1987-05-01), Fant

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