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Method and system to grant indefinite use of software options resident on a device

  • US 6,983,375 B2
  • Filed: 04/13/2001
  • Issued: 01/03/2006
  • Est. Priority Date: 04/13/2001
  • Status: Expired due to Fees
First Claim
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1. A method to permit indefinite use of an inactivated option resident on a medical device comprising the steps of:

  • receiving, at a centralized facility, a request from a user for indefinite use of an option resident on a medical device located remotely from the centralized facility;

    determining whether to grant indefinite use of the option in response to the request based on whether a set of criteria has been satisfied, including whether the customer is qualified to use time medical device;

    generating an activation key configured to permit indefinite use of the option in response to an indefinite use grant;

    transmitting the activation key from the centralized facility to the device;

    automatically enabling user access to the option resident on the device in response to reception of the activation key; and

    periodically monitoring whether the customer continues to be qualified for the medical device.

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