The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 1997
Filed:
May. 02, 1996
Bryan Leslie Ethington, Lexington, KY (US);
John Francis Gostomski, Winchester, KY (US);
Jeffrey Alan Minnick, Lexington, KY (US);
Christopher Mark Songer, Lexington, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
To process bit maps for full color and other data-intense bit maps for printing, a data processing routine (FIG. 4) determines if a block at data within a page is not in color or is otherwise in a single value. Such data is stored in DRAM (28) in one bit per pel form. Other blocks are stored with eight bit for each pel. A table is then developed defining the contiguous order in a page (FIG. 6). An ASIC (32) then transfers the pel information in order of printing to a video RAM (40) with the eight bits restored for data stored in one bit per pel form. The data applied to that ASIC is decompressed.