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Two-dimensional bar code symbology using implicit version information encoding

  • US 6,047,892 A
  • Filed: 07/14/1998
  • Issued: 04/11/2000
  • Est. Priority Date: 12/09/1996
  • Status: Expired due to Fees
First Claim
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1. A two-dimensional machine readable bar code label located on a product, said label encoded with a set of information using a symbology having one of a plurality of predefined variants, each of said plurality of predefined version variants having a predetermined number of rows and columns of codewords, and a predetermined amount error correction, said label comprising:

  • (a) a plurality of data codewords for encoding said set of information; and

    (b) a plurality of row codewords spacially related to the plurality of data codewords for implicit encoding a one of the predefined variants,wherein said set of information includes a set of product information.

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