公开(公告)号：US09858960B2

公开(公告)日：2018-01-02

申请号：US15121211

申请日：2015-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Sunghyun Cho ,  Hyunkook Khang ,  Joonhee Yoon

IPC: H04N5/765 ,  H04N9/80 ,  G11B20/00

CPC classification number: G11B20/00224 ,  G11B20/00086 ,  G11B20/0021 ,  G11B20/00217

Abstract: Provided is a method of playing content stored in a storage device including requesting a conversion of the content to a content service server, receiving content key information and additional information for the conversion of the content from the content service server, and performing the conversion of the content based on the content key information and the additional information.