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:
Jan. 27, 2009
Filed:
Jun. 08, 2005
John O. Walker, Rochester, NY (US);
James W. Reid, Fairport, NY (US);
John O. Walker, Rochester, NY (US);
James W. Reid, Fairport, NY (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
A system and method for the placement and retrieval of embedded data blocks within a document includes converting a document into a bitmap image; calculating a total area required to embed information; analyzing the bitmap image for areas for placement of at least one embedded data block; calculating a total available area in the bitmap image to embed the information; dividing the information to encode into data packets; determining a location on the bitmap image to place at least one embedded data block; storing coordinate information for the location of the at least one embedded data block; creating a decoding protocol for at least one embedded data block; encoding the data packets and the decoding protocol into at least one embedded data block; and creating a bitmap image of at least one embedded data block.