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Image printing apparatus including a microcontroller

  • US 20040008327A1
  • Filed: 08/06/2001
  • Published: 01/15/2004
  • Est. Priority Date: 07/15/1997
  • Status: Active Grant
First Claim
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1. An image printing apparatus that comprises a print head for printing images;

  • and a microcontroller that comprises a wafer substrate;

    processor circuitry that is positioned on the wafer substrate;

    print head interface circuitry that is positioned on the wafer substrate and is connected between the processor circuitry and the print head, the print head interface circuitry being configured to facilitate communication between the processor circuitry and the print head; and

    bus interface circuitry that is discrete from the print head interface circuitry and is connected to the processor circuitry so that the processor circuitry can communicate with devices other than the print head via a bus.

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