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System and method for embedding machine coded destination information into a postal mark

  • US 5,635,694 A
  • Filed: 09/27/1995
  • Issued: 06/03/1997
  • Est. Priority Date: 09/27/1995
  • Status: Expired due to Term
First Claim
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1. A method for embedding a postal code and a tracking code in a stamp cancellation mark to be used in a mail handling system, comprising the steps of:

  • (a) inputting a destination zip code for a piece of mail;

    (b) converting the destination zip code to zip code glyphs;

    (c) generating a bitmap of the stamp cancellation mark;

    (d) embedding the zip code glyphs into a predetermined portion of the stamp cancellation mark bitmap;

    (e) printing the stamp cancellation mark bitmap with embedded zip code glyphs onto the piece of mail;

    (f) reading the embedded zip code glyphs;

    (g) decoding the read zip code glyphs;

    (h) sorting the piece of mail according to the decoded destination information;

    (i) assigning a tracking number to the piece of mail;

    (j) converting the tracking number to track glyphs;

    (k) embedding the track glyphs into a predetermined portion of the stamp cancellation mark bitmap;

    said step (e) printing the stamp cancellation mark bitmap with the embedded track glyphs and zip code glyphs onto the piece of mail;

    (l) reading the track glyphs at different points along the mall handling system;

    (m) decoding the track glyphs; and

    (n) tracking and documenting a progress of the piece of mail through the mail handling system using the decoded track glyphs.

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