Patent Number: 6,311,214

Title: Linking of computers based on optical sensing of digital data

Abstract: A printed object, such as an item of postal mail, a book, printed advertising, a business card, product packaging, etc., is steganographically encoded with plural-bit data. When such an object is presented to an optical sensor, the plural-bit data is decoded and used to establish a link to an internet address corresponding to that object.

Inventors: Rhoads; Geoffrey B. (West Linn, OR)

Assignee: Digimarc Corporation

International Classification: G07F 17/26 (20060101); G07D 7/12 (20060101); G07F 7/08 (20060101); G07F 7/10 (20060101); G06Q 30/00 (20060101); G06K 19/14 (20060101); G07D 7/00 (20060101); G07F 17/00 (20060101); H04N 1/00 (20060101); G11B 20/00 (20060101); G07F 17/16 (20060101); H04N 1/32 (20060101); G06K 19/06 (20060101); G10L 19/00 (20060101); G07C 9/00 (20060101); G06T 1/00 (20060101); G06F 17/30 (20060101); G06K 19/18 (20060101); G06K 17/00 (20060101); H04Q 7/38 (20060101); G06F 013/00 ()

Expiration Date: 10/30/2018