Apparatus for presenting image information for display graphical

Details Apparatus for presenting image information for display graphical Apparatus for presenting image information for display graphical

1984-06-27

1987-01-06

Caldwell, Sr., John W.

Communications: electrical

Land vehicle alarms or indicators

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

340703, 340747, 340801, G09G 106

Patent

active

046350497

ABSTRACT:
Pixel information for a graphics display apparatus is stored in a bit map memory which may be considered as grouped into a number of bit planes corresponding to different separable surfaces or color patterns to be displayed by the apparatus. Information from a computer data bus is written into the proper surface by shifting a predetermined number of bit positions and write protecting information in the bit map memory representing surfaces other than the one it is desired to change.

REFERENCES:
patent: 4426644 (1984-01-01), Neuman et al.
patent: 4509043 (1985-04-01), Mossaides
patent: 4559553 (1985-12-01), Bass et al.

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