Fast printer data stream conversion with constrained memory

Details Fast printer data stream conversion with constrained memory Fast printer data stream conversion with constrained memory

1993-03-16

1994-12-27

Shaw, Dale M.

395114, 395116, G06F 1500

Patent

active

053773110

ABSTRACT:
Use of a single pass print data stream conversion process when sufficient memory is available to store all the page data to be printed and reversion to a double pass conversion when insufficient memory is available. Scanning of the input data stream, storing the page data, and downloading the resource data to the printer continues so long as sufficient memory to store the page data is available. If the available memory is filled before the entire page is scanned, the stored page data is discarded. The scanning continues to download the resource data but the page data is no longer stored. When the page has been completely scanned, the scanning is restarted at the beginning of the page, downloading the page data to the printer and discarding the resource data during the second scan.

REFERENCES:
patent: 4651278 (1987-03-01), Herzog et al.
patent: 4969093 (1990-11-01), Barker et al.
patent: 5157765 (1992-10-01), Birk et al.

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