Refreshing of dynamic memory

Details Refreshing of dynamic memory Refreshing of dynamic memory

1983-03-11

1986-05-06

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 340750, 365222, H04N 514

Patent

active

045875596

ABSTRACT:
A refreshable dynamic memory is used to drive a video display wherein each row of stored memory is accessed to provide one line of video. The memory row address counter is incremented a number of times during the horizontal retrace period to sequentially refresh a given number of memory rows before another row is displayed. The cycle is repeated until an entire field is displayed. A sufficient number of rows are refreshed during each line whereby the rows are refreshed continually within the storage time of the memory cells.

REFERENCES:
patent: 4482979 (1984-11-01), May

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