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Card issue system

  • US 5,592,400 A
  • Filed: 08/22/1994
  • Issued: 01/07/1997
  • Est. Priority Date: 08/27/1993
  • Status: Expired due to Fees
First Claim
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1. A card issue system comprising:

  • a data terminal for receiving card issue information including a card issue command;

    a card issue apparatus for performing a card issue process on the basis of the card issue information from said data terminal;

    a common memory, arranged in said card issue apparatus, for storing card issue process result information;

    interface means for performing data interface between said data terminal and said card issue apparatus, the card issue information from said data terminal being transmitted to said card issue apparatus through said interface means; and

    a data bus for connecting said common memory and said data terminal, the card issue process result information stored in said common memory being transmitted to said data memory through said data bus, wherein,said card issue apparatus is comprises detection means for detecting that said common memory is used by said data terminal, storage control means for storing the card issue result information in said common memory on the basis of a detection output from said detection means, and use permission means for permitting said data terminal to use said common memory upon completion of a storing operation performed by said storage control means, and said data terminal comprises read means for reading out the card issue result information from said common memory in accordance with a use permission command from said use permission means, and informing means for informing said card issue apparatus that said common memory is in use during a reading operation performed by said read means and informing said card issue apparatus that said common memory is not in use upon completion of the reading operation performed by said read means.

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