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:
Feb. 16, 2010
Filed:
Dec. 09, 1998
Ahmet Mursit Eskicioglu, Indianapolis, IN (US);
Mehmet Kemal Ozkan, Istanbul, TR;
Billy Wesley Beyers, Jr., Carmel, IN (US);
Ahmet Mursit Eskicioglu, Indianapolis, IN (US);
Mehmet Kemal Ozkan, Istanbul, TR;
Billy Wesley Beyers, Jr., Carmel, IN (US);
Thomson Licensing, Boulogne Billancourt, FR;
Abstract
A method for providing conditional access (i.e., managing access) to a received scrambled audio/visual (A/V) signal from a variety of sources by utilizing secret sharing for key recovery. Secret sharing eliminates the necessity to protect and transfer the complete descrambling keys between devices, because a portion of the key is stored in the device or a smart card coupled thereto.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile