| 摘要 |
This invention relates to a document authentication system that may be read by a human and/or machine. A one or two-dimensional bar code or other printed code is printed over a magnetic strip, which may contain information linked to the encoded bar code data and human readable text that appears on the document. The magnetic strip that contains a printed bar code is affixed to a document that contains human readable text and a protective transparent laminates is placed over the bar code for abrasion resistance. The bar code or other code may be printed with an invisible ink for additional security.
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