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. 21, 2018
Filed:
May. 26, 2009
Applicant:
Brant L. Candelore, San Diego, CA (US);
Inventor:
Brant L. Candelore, San Diego, CA (US);
Assignees:
Sony Corporation, Tokyo, JP;
Sony Electronics Inc., Park Ridge, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04N 21/443 (2011.01); H04N 21/418 (2011.01); H04N 21/81 (2011.01);
U.S. Cl.
CPC ...
H04N 21/443 (2013.01); H04L 9/0822 (2013.01); H04N 21/4181 (2013.01); H04N 21/8186 (2013.01); H04L 2209/60 (2013.01);
Abstract
Generation of secret keys is carried out in a smartcard for use by a receiver device's main processor, or alternatively, decryption processing for selectively encrypted content is carried out in the smartcard itself in order to thwart hacking and pirating of protected video content. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.