Controller for accessing an image data memory based on a state o

Details Controller for accessing an image data memory based on a state o Controller for accessing an image data memory based on a state o

1994-05-27

1996-02-20

Powell, Mark R.

395115, 395162, G06F 1200

Patent

active

054936454

ABSTRACT:
An image memory controller having a first address signal generating unit generating a first address signal in response to a state signal representing the operational state of a printer. The first address signal corresponds to a location in an image memory. A second address signal generating unit generates a second address signal for refreshing the image memory and a third address signal generating unit generates a third address signal used for rewriting at least part of data stored in the image memory. An address signal selector selectively delivers any of the first, second, and third address signals to the image memory.

REFERENCES:
patent: 4646259 (1987-02-01), Lincoln et al.
patent: 4712185 (1987-12-01), Aoki
patent: 5067097 (1991-11-01), Yamazaki et al.

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