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Postage and mailing information applying system

  • US 4,743,747 A
  • Filed: 02/25/1986
  • Issued: 05/10/1988
  • Est. Priority Date: 08/06/1985
  • Status: Expired due to Term
First Claim
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1. A system including a computer for providing self authentication on a mail piece, comprising:

  • a cardmeans for providing communication between said card and the computerencryption means supported by said card and operative to derive an encrypted message based upon recipient address information,means for communicating recipient address information to said encryption means, andmeans for placing onto a mail piece an encrypted message derived from said recipient address information by said encryption means such that a relationship between said recipient address information and said encrypted information can be used to authenticate said mail piece.

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