Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Brett T. Hannigan0
Tyler J. McKinley0
Date of Patent
February 18, 2014
0Patent Application Number
133499480
Date Filed
January 13, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to digital watermarking methods and systems. In one embodiment, a handheld device displays a digitally watermarked image at an event center. An optical scanner captures optical scan data representing the device display. A watermark decoder analyzes the captured optical scan data to obtain the watermark. The watermark is used to determine authorized entry. The handheld device may include a cell phone or other portable computing device.
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