Color plotter interface and control circuit

Details Color plotter interface and control circuit Color plotter interface and control circuit

1981-11-20

1984-07-31

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 75, H04N 146

Patent

active

044633742

ABSTRACT:
Interface and control apparatus for translating color video signals from a video terminal or the like into control signals useful by a dot matrix impact printer/plotter for producing a hard copy image. The color video signals are digitized and used to address a programmed read only memory having a plurality of addressable locations. The memory stores a table for translating color video signals defining a three-dot video pixel into control signals enabling a printer/plotter apparatus to produce a hard copy image of a substantially equivalent four-dot printer/plotter pixel.

REFERENCES:
patent: 3604846 (1971-09-01), Behane
patent: 4081828 (1978-03-01), Jones et al.
patent: 4308553 (1981-12-01), Roetling

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