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Dynamically variable machine readable binary code and method for reading and producing thereof

  • US 5,329,107 A
  • Filed: 06/30/1992
  • Issued: 07/12/1994
  • Est. Priority Date: 05/05/1988
  • Status: Expired due to Fees
First Claim
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1. A dynamically variable machine optically readable binary code comprising data in a plurality of data cells forming a matrix having a perimeter, said matrix having a variable number of data cells, said perimeter including density indicia for determining the density of data contained within the matrix, said density indicia being disposed in said perimeter and indicating said density independently of the positioning of said data cells contained in the matrix.

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