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System for refunding payment for software

  • US 5,761,308 A
  • Filed: 06/12/1996
  • Issued: 06/02/1998
  • Est. Priority Date: 09/01/1995
  • Status: Expired due to Term
First Claim
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1. A system for refunding payment for software used for software distribution system comprising at least one user terminal and a center, the center notifying the user terminal of deciphering information on condition that a user of the user terminal pays for the software which is supplied to the user in a enciphered form, the user terminal deciphering the enciphered software by using the deciphering information, wherein the user terminal comprises:

  • deciphering means for deciphering a software by using deciphering information supplied from the center;

    installation history recording means for recording an installation history for the software deciphered by said deciphering means; and

    refund request means for supplying a request for refunding payment for the software along with the installation history to the center; and

    wherein the center comprises;

    refund processing means for determining whether the payment for the software should be refunded to the user by analyzing the installation history.

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