Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Anoop K. Bhattacharjya0
Date of Patent
February 12, 2008
0Patent Application Number
110394410
Date Filed
January 19, 2005
0Patent Primary Examiner
Patent abstract
Techniques for securely displaying text on a display panel involve destroying spatial and temporal correlations in an otherwise uniform visual field. The techniques render the displayed text secure with respect to attempts to copy the text using a video capture device or still-picture camera. The techniques also render the displayed text unreadable to casual over-the-shoulder viewing by strangers outside of a certain narrow reading area.
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