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

  • US 5,124,536 A
  • Filed: 06/10/1991
  • Issued: 06/23/1992
  • Est. Priority Date: 05/05/1988
  • Status: Expired due to Term
First Claim
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1. An apparatus for generating a dynamically variable machine optically readable binary code, said apparatus comprising processing means for receiving data and in response thereto producing visual cells forming said binary code, said visual cells forming 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 independently of the positioning of said data cells contained in the matrix, said density indicia being a function of the number of data cells in said matrix, and printing means for printing said binary code.

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