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. 22, 2023
Filed:
Jan. 13, 2016
Applicant:
Secure Content Storage Association Llc, Beaverton, OR (US);
Inventors:
Aaron Marking, Portland, OR (US);
Jeffrey B. Lotspiech, Henderson, NV (US);
Kenneth Goeller, Los Angeles, CA (US);
Assignee:
WARNER BROS. ENTERTAINMENT INC., Burbank, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/10 (2013.01); H04L 9/08 (2006.01); G06F 3/0482 (2013.01); H04L 67/1061 (2022.01); H04N 21/00 (2011.01); H04N 21/4405 (2011.01); H04L 67/104 (2022.01); H04N 21/254 (2011.01); H04N 21/433 (2011.01); H04N 7/16 (2011.01); H04L 67/1097 (2022.01); H04N 21/4627 (2011.01); H04L 67/01 (2022.01); H04L 67/50 (2022.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
G06F 21/10 (2013.01); G06F 3/0482 (2013.01); H04L 9/0861 (2013.01); H04L 63/0428 (2013.01); H04L 63/08 (2013.01); H04L 63/126 (2013.01); H04L 67/01 (2022.05); H04L 67/104 (2013.01); H04L 67/1061 (2013.01); H04L 67/1097 (2013.01); H04L 67/535 (2022.05); H04N 7/16 (2013.01); H04N 21/00 (2013.01); H04N 21/2541 (2013.01); H04N 21/4334 (2013.01); H04N 21/4405 (2013.01); H04N 21/4627 (2013.01); H04L 63/061 (2013.01);
Abstract
A method and apparatus for playing back a media content instance is disclosed. The method permits the use of downloadable variants to upgrade or change cryptographic functions performed by the playback device, thus permitting content protection schemes to be renewed.