Video signal memories

Details Video signal memories Video signal memories

H - Electricity

04

N

354/237, 352/40.

H04N 5/76 (2006.01) G11C 7/00 (2006.01) G11C 8/12 (2006.01) H04N 5/262 (2006.01) H04N 5/907 (2006.01) H04N 9/76 (2006.01)

Patent

CA 1249378

ABSTRACT OF THE DISCLOSURE 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 n2m video data words and comprises n2 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.

488982

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