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Vector DATA Plotting for Printers

IP.com Disclosure Number: IPCOM000047011D
Original Publication Date: 1983-Sep-01
Included in the Prior Art Database: 2005-Feb-07

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Bergman, LS Giese, RA Steury, TD Wong, M [+details]


A low-cost hardware circuit is described which will enable matrix-type printers to plot vector data. The data to be plotted can be precomputed and stored in the printer or can be transmitted from a host computer system. The former is useful for preprinted forms and the latter, for producing engineering drawings or adding illustrations to text-processed prints. The precomputed data supplies the capability for storing forms in a printer and for merging the alphanumeric data to be displayed on the form so that formatted displays can be produced without the need for storing a large number of forms. Graphic data can also be printed in a variety of forms, such as from a CAD/CAM system on the printer. The hardware to be added to a raster-scan printer, such as the IBM Model 6670 Information Distributor, is illustrated in Fig. 1.