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System for managing information by using hybrid card in main and subdata processing apparatuses

  • US 5,708,851 A
  • Filed: 12/17/1992
  • Issued: 01/13/1998
  • Est. Priority Date: 12/18/1991
  • Status: Expired due to Fees
First Claim
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1. A system for managing information by using a hybrid card having a first data record area of write-once type and a second data record area of rewritable type, said system comprising:

  • a main data processing apparatus which comprises a first card treating means for writing and reading data on and from said first data record area and a second card treating means for writing and reading data on and from said second data record area; and

    a sub data processing apparatus which is arranged separately from said main data processing apparatus and which comprises a card treating means for writing and reading data on and from said second data record area.

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