公开(公告)号：US11102042B2

公开(公告)日：2021-08-24

申请号：US17007864

申请日：2020-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04H20/42 ,  H04H60/11 ,  H04L1/00 ,  H04L5/00 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/00 ,  H04L12/18 ,  H03M13/11 ,  H03M13/15

Abstract: Disclosed herein is a broadcast signal receiver. The broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation module configured to perform detection and OFDM demodulation on a received broadcast signal, a frame parsing and deinterleaving module configured to parse and deinterleave the signal frame of the broadcast signal, a demapping and decoding module configured to convert the data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and to FEC-decode the PLP data, and an output processing module configured to receive the data of the at least one PLP and to output the received data in a data stream form.

公开(公告)号：US11095959B2

公开(公告)日：2021-08-17

申请号：US16859011

申请日：2020-04-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/173 ,  H04N21/858 ,  H04H20/59 ,  H04N21/258 ,  H04H20/42 ,  H04H20/93 ,  H04H60/40 ,  H04H60/72 ,  H04H60/73 ,  H04N21/643 ,  H04N21/2383 ,  H04N21/41 ,  H04N21/233 ,  H04N21/234 ,  H04N21/2387 ,  H04N21/239 ,  H04N21/439 ,  H04N21/44 ,  H04N21/472

Abstract: A method for communicating with a companion device (CD) in a primary device (PD) includes receiving a broadcast signal from a broadcast station; generating a multicast advertisement message based on a simple service discovery protocol (SSDP) when the PD joins a network and sending the multicast advertisement message to a pre-defined address. Further, the multicast advertisement message includes duration information for which the multicast advertisement message is valid, further the duration information is signaled in a cache-control header. The multicast advertisement message further includes identifier information which uniquely identifies the PD, further the identifier information is signaled in a USN header, and the multicast advertisement message further includes device type information, further the device type information is signaled in a NT header.

公开(公告)号：US11095703B2

公开(公告)日：2021-08-17

申请号：US16413042

申请日：2019-05-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/242 ,  H04N21/2362 ,  H04N21/2383 ,  H04H20/18 ,  H04H60/82 ,  H04N21/845 ,  H04L29/08 ,  H04N21/6437 ,  H04N21/647 ,  H04N21/854 ,  H04N21/8547

Abstract: The present invention provides an apparatus for receiving a broadcast content via one or more networks. The apparatus comprises a broadcast network interface for receiving broadcast streams including first protocol packets including first portions of the broadcast content via a broadcast network, a heterogeneity network interface for receiving second protocol packets including a second portion of the broadcast content via a heterogeneity network, and a processor for configuring the broadcast content using the first protocol packets and the second protocol packets based on information included in the third protocol packets.

公开(公告)号：US11070859B2

公开(公告)日：2021-07-20

申请号：US16916870

申请日：2020-06-30

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/218 ,  H04N21/236 ,  H04N21/24 ,  H04N21/426 ,  H04N21/63 ,  H04N21/647 ,  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 broadcast signals includes a receiver 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, the broadcast signal includes information for a maximum number related to the one or more FEC blocks and information for a number of the one or more FEC blocks; a decoder configured to decode the broadcast signal, the decoded broadcast signal including a signal frame including: one or more components included in a content of a service and content information describing the content, the content information including 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 an alternative view; and a display 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：US11070857B2

公开(公告)日：2021-07-20

申请号：US16811594

申请日：2020-03-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/236 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/643 ,  H04L12/18 ,  H04W4/06

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, generating input packets including broadcast content data; generating a link layer packet by using the generated input packets, wherein the link layer packet includes a link layer header and a link layer payload including the generated input packets, wherein the link layer header includes a count field indicating number of the input packets included in the link layer payload, wherein the link layer header further includes a length part, wherein the length part includes a plurality of length fields as many as that the count field indicates, wherein each of the length fields indicates length of the each input packets included in the link layer payload; generating a broadcast signal including the generated link layer packet; and transmitting the broadcast signal.

公开(公告)号：US11070854B2

公开(公告)日：2021-07-20

申请号：US16387216

申请日：2019-04-17

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: A method and device for processing a broadcast content are discussed. The method includes receiving a broadcast content of a broadcast service; displaying the broadcast content on a display screen; and detecting a first user input, in response to the first user input that is to display an ESG: displaying the ESG overlaid on the broadcast content being displayed on the display screen; determining whether information for controlling execution of an application, that is embedded in an audio component of the broadcast content, is received; and controlling the execution of the application based on the determination; or in response to the first user input that indicates a mute mode to mute sound of the broadcast content: determining whether information for controlling execution of the application, that is embedded in a video component of the broadcast content, is received; and controlling the execution of the application based on the determination.

公开(公告)号：US11064240B2

公开(公告)日：2021-07-13

申请号：US16397463

申请日：2019-04-29

Applicant: LG Electronics Inc.

Inventor： Seungryul Yang ,  Jinwon Lee ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/41 ,  H04N21/478 ,  H04N21/434 ,  H04N21/61 ,  H04N21/482 ,  H04N21/858

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 which can support a next generation broadcasting service in an environment that supports next generation hybrid broadcasting using a terrestrial broadcasting network and an Internet network. Further, in the environment that supports the next generation hybrid broadcasting, the present invention proposes an efficient signaling scheme which can cover both the terrestrial broadcasting network and the Internet network.

公开(公告)号：US10985963B2

公开(公告)日：2021-04-20

申请号：US16925990

申请日：2020-07-10

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04K1/10 ,  H04L27/28 ,  H04L27/26 ,  H04L1/00 ,  H04H20/72 ,  H04H60/07 ,  H04H60/91 ,  H04N21/61 ,  H04N21/2383 ,  H04B7/0413 ,  H04H20/57 ,  H04B7/06 ,  H04L5/00

Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.

公开(公告)号：US10972771B2

公开(公告)日：2021-04-06

申请号：US16900518

申请日：2020-06-12

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 processing a broadcast signal in a transmitting system, includes encoding broadcast data for broadcast services; encoding first signaling information providing information for discovery and acquisition of a broadcast service; encoding 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, wherein the bootstrap information includes destination Internet Protocol (IP) address information of the transport session carrying the first signaling information and destination port number information of the transport session carrying the first signaling information; and encoding physical layer signaling information including first physical layer signaling information having a fixed size and second physical layer signaling information having a variable size.

公开(公告)号：US10917777B2

公开(公告)日：2021-02-09

申请号：US16846125

申请日：2020-04-10

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon Lee ,  Sejin Oh ,  Kyoungsoo Moon ,  Seungjoo An ,  Woosuk Ko ,  Sungryong Hong

IPC: H04W4/90 ,  H04L29/08 ,  H04H20/59 ,  H04W4/80 ,  H04H20/08 ,  H04W4/06 ,  H04W88/04

Abstract: Provided is a broadcast receiving device receiving a broadcast service interoperating with a companion device. The broadcast receiving device includes: an IP communication unit configured to establish a pairing session with the companion device; a broadcast communication unit configured to receive an emergency alert message including an emergency alert alerting a disaster situation on the basis of the broadcast service; and a control unit configured to transmit information on the emergency alert message to the companion device.