The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 2012
Filed:
Jul. 25, 2008
Jian Wang, Beijing, CN;
Zhouchen Lin, Beijing, CN;
Yue LI, Beijing, CN;
Chunhui Zhang, Beijing, CN;
Yingnong Dang, Beijing, CN;
Jiang Wu, San Jose, CA (US);
Qiang Wang, Beijing, CN;
Jian Wang, Beijing, CN;
Zhouchen Lin, Beijing, CN;
Yue Li, Beijing, CN;
Chunhui Zhang, Beijing, CN;
Yingnong Dang, Beijing, CN;
Jiang Wu, San Jose, CA (US);
Qiang Wang, Beijing, CN;
Microsoft Corporation, Redmond, WA (US);
Abstract
Global metadata, such as a document identifier, which may be a globally unique identifier, is embedded into an embedded interactive code document by combining a first m-array and a plurality of copies of the first m-array to generate a combined m-array with encoded global metadata such that respective start positions (x, y)of the plurality of copies of the first m-array in the combined m-array are each shifted, by respective amounts that are based on respective portions of the global metadata, relative to a start position of the first m-array in the combined m-array. Global metadata may be decoded from the combined m-array by determining the respective amounts by which the plurality of copies of the first m-array are shifted, relative to the first m-array, in the combined m-array and by combining the respective amounts to produce a decoded value of the global metadata.