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. 17, 2013
Filed:
Aug. 31, 1999
Siu-leong Iu, San Jose, CA (US);
Malcom Davis, Bellevue, WA (US);
Hui Luo, Marlboro, NJ (US);
Yun-ting Lin, Ossining, NY (US);
Guillaume Mercier, McLean, VA (US);
Kobad Bugwadia, San Jose, CA (US);
Siu-Leong Iu, San Jose, CA (US);
Malcom Davis, Bellevue, WA (US);
Hui Luo, Marlboro, NJ (US);
Yun-Ting Lin, Ossining, NY (US);
Guillaume Mercier, McLean, VA (US);
Kobad Bugwadia, San Jose, CA (US);
Google Inc., Mountain View, CA (US);
Abstract
An open digital watermark system and methodology having various features for unifying watermark production and processing among diverse user multimedia terminals (), such as set top box, that may be OPIMA compliant. In accordance with specific aspects, intentional image warping is employed to combat pirating, the analog video channel used to download programming, packet signature implemented for watermark insertion by pixel replacement and use of the data stream made to reduce local data processing and storage.