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.:

US 8300821 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 30, 2012

Filed:

Aug. 27, 2010
Applicants:

IN Hwan Choi, Gyeonggi-do, KR;

Chul Soo Lee, Seoul, KR;

Sang Kil Park, Seoul, KR;

Inventors:

In Hwan Choi, Gyeonggi-do, KR;

Chul Soo Lee, Seoul, KR;

Sang Kil Park, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, detecting a conditional access descriptor indicating whether the mobile service data was encrypted, using the acquired program table, and controlling such that the encrypted mobile service data is decrypted, using information of the detected conditional access descriptor.


Find Patent Forward Citations

Choi, In. (2012). Digital broadcasting system and method of processing data in digital broadcasting system (U.S. Patent No. 8300821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8300821

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