Electronic graphic systems

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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358 79, G11B 3100

Patent

active

052258173

ABSTRACT:
An electronic graphic system is arranged such that data relating to the black separation of an image is made available for modification independently from other data representing the image. In a preferred embodiment black separation data is written into a monochrome framestore 8 and modifications to the separation can be effected by way of a stylus and touch tablet combination 6 and associated drawing circuitry 16.

REFERENCES:
patent: 4514818 (1985-04-01), Walker
patent: 4602286 (1986-07-01), Kellar et al.
patent: 4721951 (1988-01-01), Holler
patent: 4953013 (1990-08-01), Tsuji et al.

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