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:
May. 13, 2014
Filed:
Aug. 12, 2008
Fei Xie, Irvine, CA (US);
Victor Liang, Irvine, CA (US);
Kitae Nahm, Kirkland, WA (US);
Juan Carlos Trujillo, San Diego, CA (US);
Fei Xie, Irvine, CA (US);
Victor Liang, Irvine, CA (US);
Kitae Nahm, Kirkland, WA (US);
Juan Carlos Trujillo, San Diego, CA (US);
Samsung Electronics Co., Ltd., Suwon, KR;
Abstract
A method and system for tuning to a scrambled television channel is provided. One implementation involves receiving a channel selection from a user, tuning to the selected scrambled channel, checking a cache for Conditional Access (CA) descrambling information associated with the selected channel, and in case of a cache hit, then retrieving the descrambling information associated with the selected channel from the cache for descrambling the scrambled channel.