Patent 7286291 was granted and assigned to Microsoft on October, 2007 by the United States Patent and Trademark Office.
A system of visual authentication of digital media. A visual means is provided at the point of purchase for a user to verify that the source of software is genuine. An authentication image is embedded into a portion of a media. The authentication image is not visible to the naked eye. Embodiments of the invention further include a view port integrated in the packaging for the media. The viewing port includes a decoder lens that allows the user to see the hidden authentication image, marking the authenticity of the media.