Patents Assigned to Fraudhalt Limited
  • Patent number: 8098924
    Abstract: A method and apparatus for determining if an optical disk originated from a valid source, the method and apparatus scanning one major surface of the optical disk for imperfections, storing the locations of the imperfections relative to a datum, comparing a parameter of each of the locations of the imperfections with corresponding parameters of a master disk of known source for determining if the disk originated from the source from which the master disk originated.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: January 17, 2012
    Assignee: Fraudhalt Limited
    Inventors: Patrick Smith, Phelim O'Doherty, Sean McCarthy
  • Patent number: 7693336
    Abstract: A method and apparatus for determining if an optical disk originated from a valid source, the method and apparatus scanning one major surface of the optical disk for mechanical surface imperfections, storing the locations of the surface imperfections relative to a datum, comparing a parameter of each of the locations of the surface imperfections with corresponding parameters of a master disk of known source for determining if the disk originated from the source from which the master disk originated.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: April 6, 2010
    Assignee: Fraudhalt Limited
    Inventors: Phelim A. O'Doherty, Patrick J. Smith, Carlos Luna, Sean D. McCarthy
  • Patent number: 7672475
    Abstract: A method for verifying a hologram, comprising the steps of reading at least two images of the hologram, the images being representative of images derived at respective different viewing angles, comparing a characteristic derived from the respective images with a reference characteristic to establish if the hologram is authentic, and outputting a signal indicative of the authenticity or otherwise of the hologram.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: March 2, 2010
    Assignee: Fraudhalt Limited
    Inventors: Phelim A. O'Doherty, Patrick J. Smith, Carlos Luna, Sean D. McCarthy
  • Publication number: 20080225663
    Abstract: A method and apparatus for determining if an optical disk originated from a valid source, the method and apparatus scanning one major surface of the optical disk for imperfections, storing the locations of the imperfections relative to a datum, comparing a parameter of each of the locations of the imperfections with corresponding parameters of a master disk of known source for determining if the disk originated from the source from which the master disk originated.
    Type: Application
    Filed: April 23, 2008
    Publication date: September 18, 2008
    Applicant: Fraudhalt Limited
    Inventors: Patrick Smith, Phelim O'Doherty, Sean McCarthy
  • Patent number: 7372986
    Abstract: A method and apparatus for determining if an optical disk originated from a valid source, the method and apparatus scanning one major surface of the optical disk for mechanical surface imperfections, storing the locations of the surface imperfections relative to a datum, comparing a parameter of each of the locations of the surface imperfections with corresponding parameters of a master disk of known source for determining if the disk originated from the source from which the master disk originated.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: May 13, 2008
    Assignee: Fraudhalt Limited
    Inventors: Patrick Smith, Phelim O'Doherty, Sean McCarthy