×

Barcode Device

  • US 20080191023A1
  • Filed: 04/16/2008
  • Published: 08/14/2008
  • Est. Priority Date: 07/18/2000
  • Status: Active Grant
First Claim
Patent Images

1. A method, comprising:

  • reading a barcode that has multiple parts including a first one-dimensional barcode part and a second two-dimensional barcode part, wherein said first one-dimensional barcode part encodes a first set of information including plural different items of information, and said second two-dimensional barcode part encodes a second set of information including plural different items of information, wherein the least one of said plural different items of information within said first set of information represents the same information as at least one of said items of information within said set of second information, and where said second set of information also includes additional items of information beyond that in said first set of information;

    checking plural items of information within a barcode part using a checking function that operates to determine whether information represented by said barcode part represents valid information; and

    based on said checking, using information from said barcode part when said checking indicates that said information is valid, and not using said information when said checking indicates that said information is not valid.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×