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Bar code symbology capable of encoding bytes, words, 16-bit characters, etc. and method and apparatus for printing and reading same

  • US 6,149,059 A
  • Filed: 04/16/1997
  • Issued: 11/21/2000
  • Est. Priority Date: 11/05/1993
  • Status: Expired due to Term
First Claim
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1. A method of converting data characters to machine-readable symbols, each symbol having a pattern of dark shapes and light spaces between the shapes, the method comprising:

  • determining first and second character codes corresponding to first and second data characters, respectively, wherein each character code has 8 bits;

    converting the first and second character codes to first, second and third symbol values; and

    printing first, second, third symbol characters, wherein the first, second and third symbol characters correspond to the first, second and third symbol values, respectively.

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