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.

Date of Patent:
Sep. 11, 2018

Filed:

Feb. 02, 2017
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Jin Pil Kim, Seoul, KR;

Kyung Mee Lee, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/00 (2006.01); G06F 13/00 (2006.01); H04N 5/445 (2011.01); H04N 21/434 (2011.01); H04N 21/235 (2011.01); H04N 21/2668 (2011.01); H04N 21/435 (2011.01); H04N 21/438 (2011.01); H04N 21/454 (2011.01); H04N 21/236 (2011.01); H04N 21/262 (2011.01);
U.S. Cl.
CPC ...
H04N 21/4345 (2013.01); H04N 21/235 (2013.01); H04N 21/23605 (2013.01); H04N 21/23614 (2013.01); H04N 21/2668 (2013.01); H04N 21/26283 (2013.01); H04N 21/435 (2013.01); H04N 21/4343 (2013.01); H04N 21/4383 (2013.01); H04N 21/454 (2013.01);
Abstract

A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common packet identification (PID) values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a section length field indicating a section length, and wherein the ETT instance further contains a CRC 32 field; demodulating the digital television signal; and identifying at least one pertinent ETT instance from the plurality of ETT instances.


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