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    METHOD FOR PROOF OF PLAY (PoP) OF DIGITAL SIGNAGE CONTENT
    1.
    发明申请
    METHOD FOR PROOF OF PLAY (PoP) OF DIGITAL SIGNAGE CONTENT 有权
    数字签名内容播放（PoP）验证方法

    公开(公告)号：US20140115079A1

    公开(公告)日：2014-04-24

    申请号：US14057464

    申请日：2013-10-18

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Wook Hyun ,  Mi Young Huh ,  Sung Hei Kim ,  Shin Gak Kang

    IPC: H04L12/58

    CPC classification number: H04L12/1863 ,  H04L9/0825 ,  H04L9/3247

    Abstract: Provided a proof of play (PoP) method of a digital signage terminal and a digital signage server, the PoP method of the digital signage terminal including obtaining a digital signature and a PoP message generation policy provided by a content owner, generating log data comprising information on a play of at least one piece of content, based on the PoP message generation policy, generating a PoP message using information on the digital signature based on the generated log data, and providing the PoP message to at least one of the digital signage server and the content owner.

    Abstract translation: 提供数字标牌终端和数字标牌服务器的播放证明（PoP）方法，数字标牌终端的PoP方法包括获得由内容所有者提供的数字签名和PoP消息生成策略，生成包括信息的日志数据 基于PoP消息生成策略进行至少一条内容的播放，使用基于生成的日志数据的关于数字签名的信息生成PoP消息，并且将PoP消息提供给数字标牌服务器中的至少一个 和内容所有者。

    Method and apparatus for transmitting parameters to multicast agent in relayed multicast network
    2.
    发明授权
    Method and apparatus for transmitting parameters to multicast agent in relayed multicast network 有权
    在中继组播网络中向多播代理发送参数的方法和装置

    公开(公告)号：US09288068B2

    公开(公告)日：2016-03-15

    申请号：US13895673

    申请日：2013-05-16

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sung Hei Kim ,  Chang Kyu Lee ,  Shin Gak Kang

    IPC: H04L12/18 ,  H04L1/00

    CPC classification number: H04L12/1845 ,  H04L1/0079 ,  H04L12/18 ,  H04L12/1877

    Abstract: Provided are method and apparatus for transmitting session-related parameters required for controlling session maintenance to a multicast agent in a relayed multicast network. The session manager in the relayed multicast network generates control data containing at least one of a T_PPROBE field, an N_PPROBE field, a T_HB field, a N_HB field, a T_HSOLICIT field, an N_HSOLICIT field, a T_HANNOUNCE field, a N_HANNOUNCE field, a T_RELAY field, an N_RELAY field, and a T_LEAVE field, and transmits the generated control data to the multicast agent. Accordingly, relayed multicast service can be provided for each session by setting session-related parameters for each session in a relayed multicast network and transmitting them to a multicast agent.

    Abstract translation: 提供了用于向中继多播网络中的多播代理传送用于控制会话维护所需的会话相关参数的方法和装置。 中继多点广播网络中的会话管理器生成包含T_PPROBE字段，N_PPROBE字段，T_HB字段，N_HB字段，T_HSOLICIT字段，N_HSOLICIT字段，T_HANNOUNCE字段，N_HANNOUNCE字段，T_RELAY字段中的至少一个的控制数据 字段，N_RELAY字段和T_LEAVE字段，并将生成的控制数据发送到多播代理。 因此，可以通过为中继多播网络中的每个会话设置与会话相关的参数并将其发送到多播代理来为每个会话提供中继多播服务。

    Display device connection method for rapidly delivering data to plurality of display devices
    3.
    发明授权
    Display device connection method for rapidly delivering data to plurality of display devices 有权

    公开(公告)号：US10819781B2

    公开(公告)日：2020-10-27

    申请号：US16166404

    申请日：2018-10-22

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Changkyu Lee ,  Wook Hyun ,  Mi Young Huh ,  Shin Gak Kang

    IPC: H04L29/08 ,  H04N21/63 ,  H04N21/41 ,  H04N21/43

    Abstract: Disclosed is a display device connection method for rapidly delivering data to a plurality of display devices. A peer-to-peer (P2P) overlay network including the plurality of display devices as member peers is configured to distribute content. In this case, an overlay management server (OMS) connects first member peers through a network as a tree topology using a source peer providing the content as a root node, and transmits fragments of the content to a child peer based on a number of peers to which each of the member peers is capable of transmitting the fragments of the content for a preset period of time, and the source peer directly transmits the fragments of the content to a second member peer that is not included in the tree topology among the member peers based on a predetermined limit on a hop count.

    METHOD OF ADAPTIVELY DELIVERING MEDIA BASED ON RECEPTION STATUS INFORMATION FROM MEDIA CLIENT AND APPARATUS USING THE SAME
    5.
    发明申请
    METHOD OF ADAPTIVELY DELIVERING MEDIA BASED ON RECEPTION STATUS INFORMATION FROM MEDIA CLIENT AND APPARATUS USING THE SAME 有权
    基于来自媒体客户的接收状态信息的适配传送媒体的方法和使用该媒体的设备

    公开(公告)号：US20140201333A1

    公开(公告)日：2014-07-17

    申请号：US14156972

    申请日：2014-01-16

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sung Hei Kim ,  Chang Kyu Lee ,  Shin Gak Kang

    IPC: H04L29/06

    CPC classification number: H04L65/60 ,  H04L65/80 ,  H04W64/00

    Abstract: Disclosed herein are a method of adaptively delivering media based on reception status information from a media client and an apparatus using the same. A media transmission method by a media transmission apparatus may include sending a message, including configuration information for media requested by a terminal, to the terminal, sending a media packet forming the media to the terminal, selecting a media packet having a transport characteristic corresponding to reception quality information for the media packet received from the terminal based on the reception quality information, and sending the selected media packet to the terminal.

    Abstract translation: 本文公开了一种基于来自媒体客户端的接收状态信息和使用其的装置自适应地传递媒体的方法。 媒体发送装置的媒体发送方法可以包括向终端发送包括终端请求的媒体的配置信息的消息，向终端发送形成媒体的媒体分组，选择具有对应于 基于接收质量信息从终端接收到的媒体分组的接收质量信息，并将所选择的媒体分组发送到终端。

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