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System and method for providing fault tolerant transcriptions over an unsecured communication channel

  • US 6,199,055 B1
  • Filed: 11/05/1997
  • Issued: 03/06/2001
  • Est. Priority Date: 11/05/1997
  • Status: Expired due to Term
First Claim
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1. A method for predictably completing an electronic transaction conducted at least in part on a first system and a second system, said method comprising the steps of:

  • interfacing said first system with said second system, said interface providing data communication between said first system and said second system suitable for conducting said transaction;

    initiating a current transaction through information communication between said first and second systems;

    determining exclusively under control of said first system whether a previous transaction in so far as accomplished on said first system has successfully completed;

    restoring a previous state of said first system if said previous transaction has not successfully completed;

    updating a register accessible only to said first system upon commencement of said current transaction in so far as accomplished on said first system to indicate said current transaction has commenced;

    updating a memory accessible only to said first system to store a copy of any information which is to be altered by said current transaction; and

    updating said register upon completion of said current transaction in so far as accomplished on said first system to indicate said current transaction has concluded.

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