Optical: systems and elements – Diffraction – From grating
Reexamination Certificate
2007-10-23
2007-10-23
Assaf, Fayez G. (Department: 2872)
Optical: systems and elements
Diffraction
From grating
C359S566000, C359S001000
Reexamination Certificate
active
11182114
ABSTRACT:
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.
REFERENCES:
patent: 2004/0174806 (2004-09-01), Johnson et al.
patent: 2004/0255292 (2004-12-01), Benedikt
patent: 2004/0255317 (2004-12-01), Benedikt
patent: 2005/0005137 (2005-01-01), Benedikt
patent: 2005/0021962 (2005-01-01), Benedikt
patent: 2005/0121950 (2005-06-01), Hegarty et al.
patent: 2005/0185552 (2005-08-01), Benedikt
Ballantine William S.
Benedikt Mark L.
Assaf Fayez G.
Vierra Magen Marcus & DeNiro LLP
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