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:
Mar. 24, 2009
Filed:
Oct. 26, 2007
J. Scott Carr, Tualatin, OR (US);
Neil E. Lofgren, White Salmon, WA (US);
Phillip Andrew Seder, Portland, OR (US);
J. Scott Carr, Tualatin, OR (US);
Neil E. Lofgren, White Salmon, WA (US);
Phillip Andrew Seder, Portland, OR (US);
Digimarc Corporation, Beaverton, OR (US);
Abstract
Steganographic methods for encoding auxiliary data into a host signal are used to authenticate physical and electronic objects. One claim recites an object comprising: a first graphic provided on an object surface, and a storage device carried by the object. The storage device includes a second graphic stored therein. The first and second graphics are related graphics, and the second graphic includes first steganographic encoding including a plural-bit payload. Of course, other combinations are provided as well.