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Memory option card having predetermined number of activation/deactivation codes for selectively activating and deactivating option functions for a medical device

  • US 7,444,436 B2
  • Filed: 06/22/2006
  • Issued: 10/28/2008
  • Est. Priority Date: 07/30/1999
  • Status: Expired due to Fees
First Claim
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1. An electronic device adapted to perform a plurality of functions, comprising a first memory for storing a number of programs each enabling said device to perform one of said functions, at least one of said functions being operable when said device is powered up to provide functionality for said device, each of said programs adapted to be enabled and disabled, an option token matable with said device to change the functionality of said device by enabling a user to interact and selectively enable a program not previously enabled in said device to thereby activate a given function not previously functional in said device.

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