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:
Aug. 04, 2020
Filed:
Jul. 16, 2015
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/47 (2011.01); H04N 21/6334 (2011.01); H04N 21/472 (2011.01); H04L 9/32 (2006.01); H04N 21/258 (2011.01); H04N 21/4405 (2011.01); G06Q 30/06 (2012.01);
U.S. Cl.
CPC ...
H04N 21/47 (2013.01); H04L 9/32 (2013.01); H04L 9/3268 (2013.01); H04N 21/258 (2013.01); H04N 21/2585 (2013.01); H04N 21/25816 (2013.01); H04N 21/4405 (2013.01); H04N 21/47202 (2013.01); H04N 21/47217 (2013.01); H04N 21/6334 (2013.01); G06Q 30/0601 (2013.01); H04L 2209/60 (2013.01);
Abstract
Disclosed herein is a method and apparatus for managing license information for playing secure high definition content. The method includes receiving a certificate revision list (CRL) from a license server, receiving encrypted license information allowing a playback of the content through a first session established between a storage device and the license server wherein the first session is identified by session identification information, and playing the content based on the license information.