Method and apparatus for feature configuration in remotely located ultrasound imaging system

  • US 6,418,225 B2
  • Filed: 02/05/2001
  • Issued: 07/09/2002
  • Est. Priority Date: 04/23/1998
  • Status: Expired due to Term
First Claim
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1. A method for configuring a computerized system at a remote location, comprising the steps of:

  • storing a validation identifier inside said system;

    transmitting an option identifier which identifies a change in system configuration from said remote location to a central location;

    encrypting said validation identifier and said option identifier at said central location;

    transmitting an encrypted feature key comprising a sequence of characters from said central location to said remote location, said encrypted feature key comprising said encrypted validation identifier and said encrypted option identifier;

    placing said system in a feature key entry mode;

    inputting said encrypted feature key into said system by operation of a sequence of input keys corresponding to said sequence of characters of said encrypted feature key;

    decrypting said encrypted feature key inside said system to form decrypted data comprising a decrypted validation identifier and a decrypted option identifier;

    comparing said decrypted validation identifier with said stored validation identifier;

    altering a system configuration database inside said system to reflect said change in system configuration if said decrypted validation identifier matches said stored validation identifier.

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