Patent
1996-08-05
1998-03-17
Evans, Arthur G.
395114, G06K 1500
Patent
active
057296669
ABSTRACT:
A data processing configuration includes a computer, a printer and a font memory which houses tables that define spacing metrics that are individual to each glyph included in a font. The computer is connected to the font memory and further includes a printer driver function which is controllable to download glyph data to the printer in response to an output from an application, running on the computer, which specifies a requirement that a glyph is to be printed by the printer. The computer is responsive to a download requirement to derive from the font memory, header data for transmission to the printer. The downloaded header data excludes the spacing metrics that are individual to each glyph of the font. Thereafter, the printer driver downloads required font glyph data by transmitting data structures to the printer which include, among other data elements, the spacing metrics that are individual to the specific glyph being transmitted. In such manner, spacing metrics are transmitted to the printer only with a particular associated glyph and only when that glyph is required at the printer, thereby reducing data transfer times and making more efficient use of printer memory.
REFERENCES:
patent: 5469533 (1995-11-01), Pennis
patent: 5579449 (1996-11-01), Strobel
Gunning Chris R.
Konsella Shane
Evans Arthur G.
Hewlett--Packard Company
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