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:
Sep. 08, 2009
Filed:
Jun. 14, 2005
Kenneth L. Levy, Stevenson, WA (US);
R. Stephen Hiatt, Portland, OR (US);
Geoffrey B. Rhoads, West Linn, OR (US);
Kenneth L. Levy, Stevenson, WA (US);
R. Stephen Hiatt, Portland, OR (US);
Geoffrey B. Rhoads, West Linn, OR (US);
Digimarc Corporation, Beaverton, OR (US);
Abstract
The present invention relates generally to digital watermarking and other forms of content identification. One claim recites a method including: receiving audio or video content, the audio or video content comprising at least two digital watermark payload layers, a first watermark payload layer comprising a content identifier which uniquely identifies the content, and a second watermark payload layer comprising a distributor identifier which identifies a distributor or distribution channel associated with the content; utilizing a processor or electronic processing circuitry, embedding a third digital watermark payload layer in the audio or video content, said act of embedding transforms at least some data representing the audio or video content to embed the digital watermark payload, where each of the first watermark payload layer, the second watermark payload layer and the third digital watermark payload layer are embedded in the audio or video content with different watermark protocols. Of course, other claims and combinations are provided as well.