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Control system for franking machines

  • US 4,780,601 A
  • Filed: 07/01/1986
  • Issued: 10/25/1988
  • Est. Priority Date: 07/02/1985
  • Status: Expired due to Term
First Claim
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1. A system for managing a set of franking machines from a control center, each of said franking machines and said control center having a logic circuit including at least a processor and memory, said system comprising:

  • read/write means connected to the logic circuits in each of said franking machines and said control center; and

    at least one smart card, including an internal processor and memory, for transmitting data back and forth between said control center and at least one of said franking machines by successive writings to and readings from the memory of said smart card under control of the internal processor of said smart card, said writings being irreversible.

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