公开(公告)号：US20210105534A1

公开(公告)日：2021-04-08

申请号：US17091491

申请日：2020-11-06

Applicant: LG Electronics Inc.

Inventor： Minsung Kwak ,  Woosuk Ko ,  Seungryul Yang ,  Kyoungsoo Moon ,  Seungjoo An ,  Jinwon Lee ,  Sungryong Hong

IPC: H04N21/472 ,  H04N21/2362 ,  H04N21/258 ,  H04N21/6547 ,  H04N21/81 ,  H04N21/84 ,  H04N21/43 ,  H04L1/00 ,  H04N21/235 ,  H04N21/254 ,  H04N21/262 ,  H04N21/4147 ,  H04N21/643

Abstract: One embodiment of the present invention provides a method and a device for transmitting and receiving service guide information. The service guide information transmission method, according to one embodiment of the present invention, comprises the steps of: generating service guide information including information on broadcast service and content; encoding the generated service guide information; and transmitting the encoded service guide information.

公开(公告)号：US10952035B2

公开(公告)日：2021-03-16

申请号：US16453376

申请日：2019-06-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L1/00 ,  H04H20/00 ,  H04L29/06 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/643 ,  H04B7/0413 ,  H04H60/07

Abstract: A method of transmitting broadcast signals, includes link processing input packets to generate link layer packets, wherein a link layer packet of the link layer packets includes a header and a payload, wherein the payload of the link layer packet includes a segment of an input packet or concatenated input packets, wherein the header of the link layer packet includes a first field for identifying whether the payload includes the segment or the concatenated input packets, and wherein the header further includes a second field for identifying a number of the concatenated input packets and third fields that are inserted to the header in the same order as the concatenated input packets present in the payload in response to the first field representing that the payload includes the concatenated input packets; physical processing the link layer packets into the broadcast signals; and transmitting the broadcast signals.

公开(公告)号：US10939147B2

公开(公告)日：2021-03-02

申请号：US16732693

申请日：2020-01-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/173 ,  H04N21/2362 ,  H04N21/41 ,  H04N21/45 ,  H04N21/258 ,  H04N21/482 ,  H04N21/462 ,  H04N21/234 ,  H04N21/235 ,  H04N21/472 ,  H04N21/2389 ,  H04N21/434 ,  H04N21/233 ,  H04N21/262 ,  H04N21/439 ,  H04N21/44 ,  H04N21/488 ,  H04N21/81

Abstract: An apparatus for receiving a broadcast signal includes a tuner configured to receive a broadcast signal; a time deinterleaver configured to time deinterleave a Time Interleaving (TI) block in the broadcast signal, the TI block including one or more Forward Error Correction (FEC) blocks interleaved by a TI scheme, the TI scheme including column-writing one or more FEC blocks in a memory and diagonal-reading the one or more FEC block based on the TI block by skipping one or more virtual FEC blocks that are ahead of the one or more FEC blocks in the TI block; a decoder configured to decode the broadcast signal, the decoded broadcast signal including a signal frame including first symbols including first information for representing whether or not emergency information is included in the signal frame, a second symbol for physical layer parameters following the first symbols, the second symbol including second information for representing whether or not fast channel scan information for the broadcast signal is included in the signal frame, and third symbols, that follows the second symbol, including one or more components included in a content of a service and component information including role information for at least one of an audio component, a video component or a closed caption component of the one or more components, the role information for the video component including at least one of a sign language insert or an alternative view; and a displayer configured to display information related to the content based on the role information of the one or more components of the content in the decoded broadcast signal.

公开(公告)号：US10893304B2

公开(公告)日：2021-01-12

申请号：US15818129

申请日：2017-11-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2343 ,  H04N21/84 ,  H04H20/28 ,  H04H20/93 ,  H04N21/2362 ,  H04N21/6338 ,  H04N21/6408 ,  H04N21/6437 ,  H04N21/61

Abstract: An apparatus for receiving a broadcast signal includes a tuner configured to receive a broadcast signal, the broadcast signal including service components of a broadcast service, service signaling information signaling the broadcast service and a service list table including information for bootstrapping the service signaling information; a hardware processor configured to parse the broadcast signal and obtain the service list table, the service signaling information and the service components of the broadcast service, wherein the service signaling information includes first session description data and second session description data, wherein the first session description data includes IP/UDP information identifying a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session in the broadcast signal, and the second session description data for the identified ROUTE session includes Transport Session Identifiers (TSIs) for identifying Layered Coding Transport (LCT) channels that carry the service components delivered through the identified ROUTE session.

公开(公告)号：US10887242B2

公开(公告)日：2021-01-05

申请号：US16781347

申请日：2020-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Kyoungsoo Moon

IPC: H04L29/06 ,  H04L12/823 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/438 ,  H04L12/18

Abstract: A method for transmitting a broadcast signal in a digital transmitter includes processing a link layer packet. In addition, the link layer packet includes a header and a payload, the header includes a base header, the base header includes packet type information for representing a first packet type, and segmentation concatenation information for representing that the payload carries a segment of a single input packet or multiple input packets, when the packet type information is used to represent a packet type extension, the header further includes an additional header for type extension, the additional header for type extension includes extended type information for representing a second packet type being different from a compressed IP (internet protocol) packet, an IPv4 packet or an MPEG (Moving Picture Experts Group)-2 transport stream, and when the payload carries the multiple input packets, the header further includes an additional header for concatenation, the additional header for concatenation includes count information for representing a number of the multiple input packets included in the link layer packet, and a value of the count information is set to a number of the multiple input packets included in the link layer packet subtracted by two; and transmitting the broadcast signal.

公开(公告)号：US20200382830A1

公开(公告)日：2020-12-03

申请号：US16998996

申请日：2020-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sungryong Hong ,  Kyoungsoo Moon ,  Woosuk Ko ,  Seijin Oh

IPC: H04N21/434 ,  H04N21/236 ,  H04N21/2385 ,  H04L29/06 ,  H04L12/18 ,  G11B27/10 ,  H04N21/234 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854 ,  H04N21/61

Abstract: An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal, a parser configured to parse signaling information for a service scan included in the broadcast signal, a link layer processor configured to process a link layer packet included in the broadcast signal, and an audio/video (A/V) processor configured to present broadcast contents based on the signaling information for the service scan and the link layer packet.

公开(公告)号：US10819761B2

公开(公告)日：2020-10-27

申请号：US16506417

申请日：2019-07-09

Applicant: LG ELECTRONICS INC.

Inventor： Donghyun Kang ,  Seungryul Yang ,  Kyoungsoo Moon ,  Jinpil Kim

IPC: H04N21/414 ,  H04L29/06 ,  H04N21/443 ,  H04N21/643 ,  H04N21/81 ,  H04N21/41 ,  H04L29/12

Abstract: An electronic device includes a processor and a non-transitory recording medium; an electronic device application to communicate with a companion device; and a WebSocket server to connect the electronic device application with a companion device application of the companion device.

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：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：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.