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:
Jun. 05, 2007
Filed:
Apr. 16, 2004
Robert L. Jones, Andover, MA (US);
Leo M. Kenen, Bedford, MA (US);
Robert L. Jones, Andover, MA (US);
Leo M. Kenen, Bedford, MA (US);
Digimarc Corporation, Beaverton, OR (US);
Abstract
An identification document is provided comprising a printable layer, a computer readable data storage element, and a computer readable calibration element. The computer readable data storage element is formed on the printable layer and comprises a plurality of pixels, wherein each pixel has one of a predetermined plurality of colors. The computer readable calibration element is formed on the printable layer and comprises a plurality of pixels and includes information enabling a determination of the pixel size in the computer readable data storage element and also a determination of at least a portion of the predetermined plurality of colors.