公开(公告)号：US10790917B2

公开(公告)日：2020-09-29

申请号：US15885274

申请日：2018-01-31

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul Yang ,  Kyoungsoo Moon ,  Woosuk Ko ,  Minsung Kwak ,  Sungryong Hong ,  Jangwon Lee

IPC: G06F15/16 ,  H04H20/59 ,  H04N21/235 ,  H04N21/61 ,  H04N21/488 ,  H04N21/41 ,  H04N21/27 ,  H04L29/06 ,  H04N21/43 ,  H04N21/858 ,  H04L29/08

Abstract: A method for providing a broadcast service by a primary device (PD) includes performing a discovery process with a companion device (CD) application executed in a CD, wherein the discovery process includes receiving a device description request from the CD application, transmitting a first response message, receiving, from the CD application, an application information request destined for a first URL and transmitting a second response message, wherein a header of the first response message includes the first URL, and the second response message includes a second URL used as a Websocket endpoint of the PD; establishing a Websocket connection between a Websocket server and the CD application using the second URL; receiving a request message for media timeline information from the CD through the Websocket connection; and delivering a notification message to the CD through the Websocket connection.

公开(公告)号：US10764103B2

公开(公告)日：2020-09-01

申请号：US16027977

申请日：2018-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04B7/0413 ,  H04L27/26 ,  H04L1/00 ,  H04H60/73 ,  H04H60/11

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to each of a plurality of physical paths, a time interleaver to the encoded service data in each physical path by a TI (Time Interleaving) block, wherein at least one virtual FEC block is ahead of FEC blocks in at least one TI block, wherein each TI block includes a variable number of FEC blocks of the encoded service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block, a frame builder to build at least one signal frame including the time interleaved DP data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.

公开(公告)号：US10742705B2

公开(公告)日：2020-08-11

申请号：US15118679

申请日：2015-11-20

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L29/06 ,  H04N21/45 ,  H04N21/84 ,  H04N21/434 ,  H04N21/61 ,  H04H60/73 ,  H04H20/93 ,  H04N21/2362

Abstract: A method for generating and processing a broadcast signal according to an embodiment of the present invention includes encoding broadcast data for one or more broadcast services, encoding first level signaling information including information describing properties of the one or more broadcast services, encoding second level signaling information including information for scanning the one or more broadcast services and generating a broadcast signal including the broadcast data, the first level signaling information and the second level signaling information, wherein the first level signaling information includes user service description (USD) information describing service layer properties with respect to the broadcast services, wherein the USD information includes capability information specifying capabilities necessary to present broadcast content of the broadcast services.

公开(公告)号：US10728075B2

公开(公告)日：2020-07-28

申请号：US15710081

申请日：2017-09-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04B1/00 ,  H04B7/00 ,  H04L27/22 ,  H04L5/00

Abstract: A method for receiving broadcast signals by an apparatus for receiving broadcast signals, the method includes receiving the broadcast signals having Orthogonal Frequency Division Multiplex (OFDM) symbols including at least one preamble OFDM symbol and at least one data OFDM symbol on which power normalization is performed by using power normalization factors acquired from a frequency domain total power for the OFDM symbols; demodulating the at least one preamble OFDM symbol and the at least one data OFDM symbol into at least one preamble symbol and at least one data symbol by an OFDM scheme; parsing at least one signal frame including the at least one preamble symbol for signaling data and the at least one data symbol for service data; decoding the signaling data; and decoding the service data.

公开(公告)号：US10721538B2

公开(公告)日：2020-07-21

申请号：US15556283

申请日：2016-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Kyoungsoo Moon ,  Sungryong Hong ,  Woosuk Ko ,  Jangwon Lee ,  Woosuk Kwon

IPC: H04N21/6437 ,  H04N21/235 ,  H04N21/236 ,  H04L1/00 ,  H04L29/08 ,  H04L29/06 ,  H04N21/858 ,  H04N21/434 ,  H04N21/2362 ,  H04N21/242 ,  H04N21/462 ,  H04H60/07 ,  H04N21/43 ,  H04N21/27

Abstract: A method for transmitting a broadcast signal according to an embodiment of the present invention includes generating service layer signaling information for discovering and obtaining a broadcast service and a content component of the broadcast service; generating service list information including information for service list building and discovery of the service layer signaling information; and physical layer processing of the service list information, the service layer signaling information, and the content component.

公开(公告)号：US10721502B2

公开(公告)日：2020-07-21

申请号：US15579482

申请日：2016-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul Yang ,  Minsung Kwak ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/235 ,  H04N21/44 ,  H04N21/462 ,  H04N21/4722 ,  H04N21/61 ,  H04N21/858 ,  H04N21/435 ,  H04N21/643 ,  H04N21/8358 ,  H04N21/2389

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system capable of supporting a next generation broadcasting service in an environment which supports next generation hybrid broadcasting using a terrestrial broadcasting network and an Internet network. In addition, the present invention proposes an efficient signaling method which can cover both the terrestrial broadcasting network and the Internet network in the environment which supports the next generation hybrid broadcasting.

公开(公告)号：US10694260B2

公开(公告)日：2020-06-23

申请号：US15109526

申请日：2014-12-30

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Ko ,  Sungryong Hong ,  Kyoungsoo Moon

IPC: H04N21/6437 ,  H04N21/2381 ,  H04N21/61 ,  H04L29/06 ,  H04L1/00 ,  H04N21/43 ,  H04N21/8547

Abstract: A broadcast reception device includes: a broadcast reception unit configured to receive a transport packet, the transport packet divided into a packet payload including a transport object that is a target of a transmission through a packet and a packet header signaling the packet payload; and a control unit configured to extract the packet header from the transport packet, extract first information relating to a presentation or decoding time point of the transport object from the extracted packet header, and output the transport object on the basis of the first information.

公开(公告)号：US10694259B2

公开(公告)日：2020-06-23

申请号：US15303448

申请日：2015-04-09

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Ko ,  Woosuk Kwon ,  Jangwon Lee ,  Sungryong Hong ,  Kyoungsoo Moon

IPC: H04N21/242 ,  H04N21/643 ,  H04N21/845 ,  H04N21/262 ,  H04L12/741 ,  H04L29/12 ,  H04L29/06 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/84

Abstract: An operating method of a broadcast reception device, according to an embodiment of the present invention includes receiving a broadcast signal; receiving media content presentation information including information necessary to present media content based on the broadcast signal; and presenting the media content based on the media content presentation information.

公开(公告)号：US10687096B2

公开(公告)日：2020-06-16

申请号：US16432533

申请日：2019-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Kyoungsoo Moon ,  Minsung Kwak ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/235 ,  H04N21/434 ,  H04N21/2343 ,  H04N21/2383 ,  H04H60/07 ,  H04H60/73 ,  H04N21/61

Abstract: A method of generating and processing a broadcast signal, includes generating broadcast data for broadcast services; generating first signaling information providing information for discovery and acquisition of a broadcast service; generating second signaling information including service entries for the broadcast services, wherein one of the service entries includes a first service identifier for identifying the broadcast service and bootstrap information for discovering a transport session carrying the first signaling information for the broadcast service; generating physical layer signaling information; and transmitting the broadcast signal including the broadcast data, the first signaling information, the second signaling information, and the physical layer signaling information.

公开(公告)号：US10674186B2

公开(公告)日：2020-06-02

申请号：US16275970

申请日：2019-02-14

Applicant: LG Electronics Inc.

Inventor： Minsung Kwak ,  Seungryul Yang ,  Woosuk Ko ,  Jangwon Lee ,  Kyoungsoo Moon ,  Sungryong Hong

IPC: H04N21/236 ,  H04N21/2362 ,  H04N21/438 ,  H04N21/4385 ,  H04N21/858 ,  H04N21/2383 ,  H04N21/6332 ,  H04N21/84 ,  H04N21/643 ,  H04N21/61

Abstract: A method for transmitting a broadcast signal is disclosed. The method for transmitting a broadcast signal according to an embodiment of the present invention includes performing delivery layer processing of a broadcast service data and signaling information for the broadcast service data, performing UDP/IP encapsulation of a broadcast service data and signaling information for the broadcast service data and performing physical layer processing of a broadcast service data and signaling information for the broadcast service data.