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Traveler security and luggage control system

  • US 5,866,888 A
  • Filed: 03/27/1995
  • Issued: 02/02/1999
  • Est. Priority Date: 11/20/1990
  • Status: Expired due to Term
First Claim
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1. An encoding/decoding carrier passenger boarding control system for use in a system for secure transmission of data, the system comprising:

  • encoding means includingmeans for generating passenger ID data and luggage ID data, the passenger ID data including a number derived from at least one of passenger name and passenger social security number and the luggage ID data including the passenger ID data and a luggage description,means for encrypting at least some of said passenger and luggage ID data using an encryption algorithm based upon an encryption key,means for representing said encrypted data in the form of a bar code structure, said bar code structure including codewords of bar-coded information and security level information indicating a level of error correction capability, each of said codewords representing at least one information-bearing character, andmeans for transferring an image of the bar code structure onto a passenger boarding pass and passenger luggage; and

    decoding means includingmeans for scanning the bar code structure on the passenger boarding pass and the passenger luggage and converting the codewords into output signals representative of said information-bearing characters,means for determining the level of error correction capability of the bar-coded information from the security level information,means for determining the number of codewords that were unsuccessfully converted,means for correcting the unsuccessfully converted codewords if the number of unsuccessfully converted codewords is less than the level of error correction capability, andmeans for decrypting at least some of said information-bearing characters using a decryption algorithm based upon said encryption key.

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