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:
Aug. 04, 2015

Filed:

Sep. 10, 2012
Applicants:

Dong-jin Kang, Suwon-si, KR;

Dave Ahn, Suwon-si, KR;

Ji-soon Park, Suwon-si, KR;

Inventors:

Dong-jin Kang, Suwon-si, KR;

Dave Ahn, Suwon-si, KR;

Ji-soon Park, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); H04L 29/06 (2006.01); H04N 21/258 (2011.01); H04N 21/2347 (2011.01); H04N 21/266 (2011.01); H04L 9/08 (2006.01); H04L 9/20 (2006.01); H04N 7/167 (2011.01);
U.S. Cl.
CPC ...
H04N 21/25816 (2013.01); H04N 21/2347 (2013.01); H04N 21/26613 (2013.01);
Abstract

A method for generating a transport stream of a server is provided. The method for generating a transport stream of a server which sends broadcasting content to a client device comprises: scrambling broadcasting content by using a specific key; adding at least one content-encryption message which includes the specific key and a device key for obtaining the specific key from the at least one content-encryption message to the broadcasting content so as to generate a transport stream; and sending the generated transport stream to the client device.


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