Digimarc Corporation (DMRC)

[midastouch017]

DMRC new patent 02/18/14

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.

Assignee: Digimarc Corporation (Beaverton, OR)

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=2&f=G&l=50&co1=AND&d=PTXT&s1=digimarc&s2=digimarc&OS=digimarc+AND+digimarc&RS=digimarc+AND+digimarc