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:
Mar. 24, 2015
Filed:
Jul. 05, 2013
Lg Electronics Inc., Seoul, KR;
Sejin Oh, Seoul, KR;
Jongyeul Suh, Seoul, KR;
Byungsun Park, Seoul, KR;
Jinpil Kim, Seoul, KR;
Kyoungsoo Moon, Seoul, KR;
Seungjoo An, Seoul, KR;
Kyungho Kim, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
An apparatus for processing digital service signals includes a receiving module configured to receive contents having watermarks, where the watermarks are inserted in audio or video frames of the contents, the watermarks carry channel information related to the contents, and content information having URL information for additional data of the contents. An extracting module is configured to extract the watermarks from the audio or video frames, and an obtaining module is configured to obtain the additional data over an IP(Internet Protocol) network using the extracted watermarks.