초록 ▼

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 intern

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.

대표청구항 ▼

[ We claim as our invention all such embodiments as may come within the scope and spirit of the following claims, and equivalents thereto:] [1.]1. A method comprising:presenting a digitally encoded object to an optical sensor, the optical sensor producing output data;decoding plural-bit data from th

[ We claim as our invention all such embodiments as may come within the scope and spirit of the following claims, and equivalents thereto:] [1.]1. A method comprising:presenting a digitally encoded object to an optical sensor, the optical sensor producing output data;decoding plural-bit data from the sensor output data; andusing said plural-bit data to establish a link to an internet address having data relating to said object;wherein the object is steganographically encoded with said plural-bit data.