×

Security markers for controlling operation of an item

  • US 20060131517A1
  • Filed: 11/02/2005
  • Published: 06/22/2006
  • Est. Priority Date: 06/26/2003
  • Status: Abandoned Application
First Claim
Patent Images

1. A method of controlling operation of one or more functions performed by an item, the method comprising:

  • illuminating a token including one or more luminescent markers;

    detecting emission from the one or more luminescent markers in response to the illumination;

    generating a spectral signature from the detected emission;

    comparing the generated spectral signature with one or more pre-defined spectral signatures associated with authorization to perform/access/use the one or more functions; and

    allowing operation of one or more of the one or more functions performed by the item when the generated spectral signature matches one or more of the one or more pre-defined spectral signatures.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×