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Color processing for bar code symbol compaction

  • US 5,576,528 A
  • Filed: 12/23/1994
  • Issued: 11/19/1996
  • Est. Priority Date: 12/23/1994
  • Status: Expired due to Term
First Claim
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1. A method of compacting a plurality of constituent bar code symbols into an aggregate bar code symbol capable of being scanned and resolved by an imaging device back into the constituent bar code symbols, said method comprising the steps ofa) generating a plurality of constituent bar code symbols, wherein each of said constituent bar code symbols comprises bars and spaces in a pattern indicative of data encoded therein;

  • b) encoding each of said constituent bar code symbols in a different color; and

    c) forming an aggregate bar code symbol by overlaying each of said differently colored constituent bar code symbols on top of each other;

    whereby a bar of any constituent bar code symbol which overlaps a bar of another constituent bar code symbol forms a section having a color different from any of the colors of each of said constituent bar code symbols.

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