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. 11, 2007
Filed:
Apr. 30, 2003
Applicants:
Michael Raley, Downey, CA (US);
Daniel Chen, Torrance, CA (US);
Hsi-cheng Wu, Alhambra, CA (US);
Thanh Ta, Huntington Beach, CA (US);
Inventors:
Michael Raley, Downey, CA (US);
Daniel Chen, Torrance, CA (US);
Hsi-Cheng Wu, Alhambra, CA (US);
Thanh Ta, Huntington Beach, CA (US);
Assignee:
ContentGaurd Holdings, Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for dynamically applying digital watermarks. Requested content is sent to a security module of a user device. A digital watermark is dynamically determined based at least on instance information about a rendering engine of the user device. The digital watermark is then rendered with the content using the rendering engine of the user device.