Patents by Inventor Sean D. McCarthy

Sean D. McCarthy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for determining if an optical disk originated from a valid source
    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
  • Method and apparatus for verifying a hologram and a credit card
    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