公开(公告)号：US09773100B2

公开(公告)日：2017-09-26

申请号：US14770370

申请日：2014-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Minsoo Lee ,  Sunghyun Cho ,  Soojin Hwang ,  Suk Kim ,  Hyeonjae Lee ,  Younghwan Kwon ,  Jinpil Kim ,  Jaekoo Lee ,  Jingu Choi

IPC: G06F21/10 ,  G06F21/16 ,  H04N21/254 ,  H04N21/258 ,  H04N21/432 ,  H04N21/4627 ,  H04N21/278 ,  H04N21/6334

CPC classification number: G06F21/16 ,  G06F21/10 ,  G06F2221/2101 ,  H04L9/3268 ,  H04L63/062 ,  H04L2209/603 ,  H04L2463/101 ,  H04L2463/103 ,  H04N21/2541 ,  H04N21/25875 ,  H04N21/278 ,  H04N21/4325 ,  H04N21/4627 ,  H04N21/6334

Abstract: The present invention provides a method for playing contents, which are stored in a storage device connected via at least one interface, the method comprising: detecting a connection of the storage device; transmitting transaction information stored in the detected storage device to a license server, wherein the transaction information includes transaction identification information which identifies a corresponding transaction and a user; receiving, from the license server, license information allowing to play the contents; and playing the contents on the basis of the license information, wherein the license information includes a license file and a license key.