High resolution real time raster image processing system and method

  • US 5,796,411 A
  • Filed: 07/10/1995
  • Issued: 08/18/1998
  • Est. Priority Date: 07/10/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A raster image processor operable with any particular one of plural different incompatible print engines, said raster image processor comprising:

  • a processor portion of said raster image processor that receives a display list and performs image generation functions based thereon;

    a processor bus connected to said processor portion;

    a font image memory connected to said processor bus, said font image memory storing fonts for imaging; and

    a bit image generator connected to said processor bus, said bit image generator forming a digital representation of an image based on said stored fonts and said display list and outputting said formed digital representation; and

    a replaceable plug-in engine control module for providing said formed digital representation to said particular print engine at a timing and in a format required by at least one of said particular print engines.

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