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US 6,295,134 B1Granted
Parallel redundant interpretation in a raster image processor
AssigneeAdobe Systems Incorporated
InventorMacduff R. Hughes
Life of this patent
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Abstract
A method and apparatus for interpreting a page description language file defining a sheet to be printed on a printing device. The method including processing in parallel the page description language file by a plurality of redundant interpreters. The output of one of the plurality of redundant interpreters is enabled for each page of the sheet such that one interpreter of the plurality of redundant interpreters produces an output for each page of the sheet.
Claims6
A method of interpreting image data for a surface to be printed by a printing device, the method comprising:
- receiving a page description language file defining at least two pages to be printed on a surface of a media sheet;
- transferring the page description language file to each of a first interpreter and a second interpreter;
- processing by both the first and second interpreters all interpretation language operators within the page description language file;
- enabling the first interpreter to produce a first output page description file defining a first one of the pages to be printed on the surface of the media sheet while disabling the second interpreter from producing the first output page description file;
- and
- enabling the second interpreter to produce a second output page description file defining a second one of the pages to be printed on the surface of the media sheet while disabling the first interpreter from producing the second output page description file.
3 more elements
Dependencies are inferred from the claim text.