Cursor circuit for a dual port memory

Details Cursor circuit for a dual port memory Cursor circuit for a dual port memory

1986-01-17

1987-11-10

Birmiel, Howard A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340799, 364900, G06F 3153

Patent

active

047060743

ABSTRACT:
A cursor generation circuit for an image display system that includes a storing circuit for storing image data. The storing circuit includes a first port to provide access to the image data to the display system and a second port to provide access to the image data to a display device for displaying the image data. A combining circuit is further provided to combine the image data with cursor data in the storing circuit when the storing circuit is being accessed by the display device. However, the combining circuit removes the cursor data from the image data when the image data is being accessed by the display system through the first port.

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patent: 4651299 (1987-03-01), Miyazaki et al.
patent: 4663619 (1987-05-01), Staggs et al.

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