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:
Dec. 22, 2015

Filed:

Apr. 21, 2011
Applicants:

Yiling Xu, Suwon-si, KR;

Sung-ryeul Rhyu, Yongin-si, KR;

Jae-yeon Song, Seoul, KR;

Kyung-mo Park, Seoul, KR;

Inventors:

Yiling Xu, Suwon-si, KR;

Sung-Ryeul Rhyu, Yongin-si, KR;

Jae-Yeon Song, Seoul, KR;

Kyung-Mo Park, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/2362 (2011.01); H04N 21/2343 (2011.01); H04N 21/854 (2011.01); H04L 29/08 (2006.01); H04N 21/434 (2011.01);
U.S. Cl.
CPC ...
H04N 21/2362 (2013.01); H04L 29/08648 (2013.01); H04N 21/4345 (2013.01); H04N 21/85406 (2013.01);
Abstract

A method and apparatus are provided for transmitting service discovery information in a multimedia transmission system. Service discovery information, including service access information for reception of a service, is generated. The service discovery information is transmitted after being classified into a plurality of levels.


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