KDM SERVER, MASTERING SERVER, AND PLAYBACK SERVER FOR PROVIDING IMMERSIVE CONTENT, AND OPERATION METHOD THEREFOR

Title:

KDM SERVER, MASTERING SERVER, AND PLAYBACK SERVER FOR PROVIDING IMMERSIVE CONTENT, AND OPERATION METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2019/124589

Kind Code:

A1

Abstract:

A key delivery message (KDM) server, according to one embodiment, receives mastering key information for immersive content from a mastering server, receives a certificate from a playback server, generates a KDM including information related to playback of the immersive content on the basis of the mastering key information and the certificate, and transmits the KDM to the playback server.

More Like This:

JP4253348	Information distribution system and distribution center equipment and user terminal equipment used in this system
JP2008252956	ENCRYPTED MEDIA KEY MANAGEMENT
WO/2022/090435	METHOD AND DEVICE FOR DISTRIBUTING A MULTICAST ENCRYPTION KEY

Inventors:

WI DAE HYEON (KR)
KWON JAE HWAN (KR)
HYUN SEONG PIL (KR)
KIM YOUNG HUI (KR)

Application Number:

PCT/KR2017/015225

Publication Date:

June 27, 2019

Filing Date:

December 21, 2017

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KAI INC (KR)

International Classes:

H04N21/6334; H04L9/08; H04L9/32; H04N21/81

Foreign References:

US20160057466A1	2016-02-25
KR20110071407A	2011-06-29
KR20150094351A	2015-08-19
KR20090088705A	2009-08-20
KR20170108094A	2017-09-26

Attorney, Agent or Firm:

MUHANN PATENT & LAW FIRM (KR)

Download PDF:

View/Download PDF PDF Help

Previous Patent: METHOD AND DEVICE FOR MEASURING POSITION USING BEAMFORMING

Next Patent: AUTOMOTIVE CLUSTER IONIZER USING NEEDLE ELECTRODE