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Multi-readable information system

  • US 4,889,367 A
  • Filed: 10/07/1988
  • Issued: 12/26/1989
  • Est. Priority Date: 10/07/1988
  • Status: Expired due to Fees
First Claim
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1. A multi-readable information system, comprising a substrate on which there is printed information in the form of human-readable symbology, and printed information in the form of machine-readable symbology, wherein the machine readable symbology differs from the human-readable symbology, the human-readable symbology occupies at least a portion of an area that is also occupied by the machine-readable symbology without either symbology interfering with the readability of the other, the machine-readable symbology is printed in a first ink that can be read utilizing energy of a first wavelength, the human-readable symbology is printed in a second ink that differs from the said first ink and can be read in a humanly visible wavelength that differs from said first wavelength, which second ink does not absorb sufficient energy in said first wavelength to prevent reading of the machine readable symbology by a compatible machine, and wherein the substrate material reflects both said first wavelength and said humanly visible wavelength.

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