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06/04/09 - USPTO Class 347 |  1 views | #20090141054 | Prev - Next | About this Page  347 rss/xml feed  monitor keywords

Print engine controller for an inkjet printhead

USPTO Application #: 20090141054
Title: Print engine controller for an inkjet printhead
Abstract: A print engine controller for an inkjet printhead includes a data bus. A memory interface is connected to the data bus to provide read and write access to a memory. An external client interface is connected to the data bus to allow external clients to write to a memory via the memory interface. A page expansion unit is connected to the data bus to read compressed page data and to write uncompressed page data to the memory. A line loader and formatter unit is connected to the data bus to read expanded page image data from the memory and to format the expanded page image data for a micro-electromechanical printhead. A printhead interface is connected to the line loader and formatter unit for sending dot data to the printhead. (end of abstract)



USPTO Applicaton #: 20090141054 - Class: 347 5 (USPTO)

Print engine controller for an inkjet printhead description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20090141054, Print engine controller for an inkjet printhead.

Brief Patent Description - Full Patent Description - Patent Application Claims
  monitor keywords CROSS REFERENCE TO RELATED APPLICATIONS

The present application is a continuation of U.S. application Ser. No. 11/545,504 filed on Oct. 11, 2006, which is a continuation of U.S. application Ser. No. 11/329,167 filed on Jan. 11, 2006, now issued as U.S. Pat. No. 7,152,949, which is a continuation of U.S. application Ser. No., 11/078,321 filed on Mar. 14, 2005, now issued as U.S. Pat. No. 7,011,390, which is a continuation of U.S. application Ser. No. 10/743,759 filed on Dec. 24, 2003, now issued as U.S. Pat. No. 6,916,082, which is a continuation of U.S. application Ser. No. 10/120,351 filed on Apr. 12, 2002, now issued as U.S. Pat. No. 6,672,706, which is a continuation-in-part of U.S. application Ser. No. 09/112,767, filed on Jul. 10, 1998, now issued as U.S. Pat. No. 6,416,167, the entire contents of which are herein incorporated by reference. The following United States applications and patents are hereby incorporated by reference:

6,443,555 6,362,868 6,227,652 6,213,588

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Brief Patent Description - Full Patent Description - Patent Application Claims

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Previous Patent Application:
Printing methods and apparatus
Next Patent Application:
Ink cartridges and methods of adjusting pressure in an ink chamber of such ink cartridges
Industry Class:
Incremental printing of symbolic information

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