公开(公告)号：US11115708B2

公开(公告)日：2021-09-07

申请号：US16781684

申请日：2020-02-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/43 ,  H04N21/436 ,  H04N21/478 ,  H04N21/2362 ,  H04N21/41 ,  H04N21/462 ,  H04N21/81 ,  H04N21/8543 ,  H04N21/858

Abstract: A companion device interoperating with a broadcast reception device for receiving a broadcast service, includes a communication device configured to connect the companion device with the broadcast reception device; and a controller configured to receive emergency alert information from the broadcast reception device, the emergency alert information including identifier information for the emergency alert information, category information of the emergency alert information, and priority information for the emergency alert information, wherein a value of the priority information represents one of 5 levels of priority of the emergency alert information, the 5 levels represents the priority from low priority to high priority, and in response to a change of the priority, the controller receives changed emergency alert information including changed priority information of which a value represents a level of the changed priority.

公开(公告)号：US11075705B2

公开(公告)日：2021-07-27

申请号：US16569860

申请日：2019-09-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/59 ,  H04N7/08 ,  H04N21/81 ,  H04N21/61 ,  H04W4/90 ,  H04W4/06 ,  H04N21/478

Abstract: A method of processing a broadcast signal includes physical layer processing a plurality of packets into a plurality of data pipes to form a signal frame of the broadcast signal. Further, a packet includes an emergency alert message for an emergency alert service so that a data pipe carries the emergency alert massage, the emergency alert message including a message identifier (ID) for identifying the emergency alert message and a service ID identifying a service related to the emergency alert message. The physical layer processing further includes encoding data in each data pipe; bit interleaving the encoded data in each data pipe; and time interleaving the bit interleaved data in each data pipe according to a first mode or a second mode, the first mode represents that the time interleaving is performed based on convolutional interleaving operation, the second mode represents that the time interleaving is performed based on a combination of block interleaving operation and convolutional interleaving operation; and transmitting the broadcast signal. In addition, the broadcast signal further includes physical layer signaling information, the physical layer signaling information including a signaling information representing that the data pipe carries the emergency alert message and time interleaving signaling information related to the first mode and the second mode.

公开(公告)号：US11032400B2

公开(公告)日：2021-06-08

申请号：US16774522

申请日：2020-01-28

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Minsung Kwak ,  Kyoungsoo Moon ,  Jangwon Lee

IPC: H04L29/06 ,  H04N21/235 ,  H04N21/434 ,  H04W4/06 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/435 ,  H04L29/12

Abstract: A digital broadcast receiver for processing a broadcast signal, includes a tuner configured to receive the broadcast signal including Physical Layer Pipes (PLPs), wherein the PLPs carry link layer packets; and a controller coupled to the tuner, wherein the controller is configured to select and decode a specific PLP, detect and acquire first signaling information for supporting a channel scan and second signaling information for a robust header compression, wherein the second signaling information for the robust header compression includes a PLP identifier, profile information for representing a range of multiple protocols used to compress at least one stream, and a maximum value of a context identifier, select and decode another PLP to receive the at least one stream based on the second signaling information for the robust header compression, and decompress the at least one stream.

公开(公告)号：US11019186B2

公开(公告)日：2021-05-25

申请号：US16781361

申请日：2020-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Kyoungsoo Moon ,  Minsung Kwak

IPC: H04N21/235 ,  H04N21/236 ,  H04N21/434 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/438 ,  H04N21/643 ,  H04L29/06 ,  H04N21/472 ,  H04L12/741

Abstract: A method according to an embodiment includes encapsulating input packets into link layer packets, a link layer packet including a header and a payload, wherein the header includes first information and second information, the first information represents a packet type of data in the payload before encapsulation, the second information represents configuration of the payload, and either the second information, which represents the link layer packet carrying a single input packet, is followed by third information or the second information, which represents the link layer packet carrying more than one input packet or a segment of an input packet, is followed by fourth information; and transmitting the generated link layer packets through physical layer pipes (PLPs).

公开(公告)号：US10827232B2

公开(公告)日：2020-11-03

申请号：US16453326

申请日：2019-06-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/81 ,  H04N21/235 ,  H04N21/2383 ,  H04N21/41 ,  H04N21/462 ,  H04N21/8358 ,  H04N21/858 ,  H04N21/8547 ,  H04N21/643 ,  H04H60/13 ,  H04H20/93 ,  H04N21/2389

Abstract: A method of processing supplementary content in a digital receiver is discussed. The method includes connecting to an external input source being different from a broadcaster; receiving uncompressed A/V content from the external input source being different from the broadcaster; extracting audio watermark from the uncompressed A/V content; wherein the audio watermark includes domain type information, time information and event flag; constructing a first URL based on the domain type information, the time information and the event flag included in the audio watermark; transmitting an HTTP request to a remote server based on the first URL; receiving a second URL for the supplementary content from the remote server; and presenting the supplementary content based on the second URL.

公开(公告)号：US10721535B2

公开(公告)日：2020-07-21

申请号：US16447432

申请日：2019-06-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/482 ,  H04N21/43 ,  H04N21/45 ,  H04N21/236 ,  H04N21/41 ,  H04N21/426 ,  H04N21/262 ,  H04L27/26 ,  H04L29/06 ,  H04N21/2383 ,  H04N21/61 ,  H04N21/63

Abstract: A method of transmitting broadcast data by a broadcast receiver includes connecting the broadcast receiver with a companion device; receiving a request for Electronic Service Guide (ESG) data from the companion device; and transmitting the broadcast data including partial or full ESG information of the ESG data to the companion device based on a type of the request. The ESG data includes a content fragment including an extension element including a component element, and the component element including at least one of a video component element describing a role of a video component, an audio component element describing a role of an audio component, a closed caption component element describing a role of a closed caption component, or an application component element describing a role of an application component, and a capability element for the at least one of the video component or the audio component.

公开(公告)号：US10659281B2

公开(公告)日：2020-05-19

申请号：US15742397

申请日：2016-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Minsung Kwak ,  Kyoungsoo Moon

IPC: H01L29/08 ,  H04L29/06 ,  H04N21/234 ,  H04N21/2383 ,  H04N21/643 ,  H04N21/2362 ,  H04L12/24 ,  H04N21/00 ,  H04L12/42 ,  H04L29/08

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 link layer processing IP/UDP data to output a link layer packet, and physical layer processing the link layer packet based on a PLP.

公开(公告)号：US10477276B2

公开(公告)日：2019-11-12

申请号：US15324189

申请日：2015-07-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/482 ,  H04N21/236 ,  H04N21/43 ,  H04N21/45 ,  H04L27/26 ,  H04L29/06 ,  H04N21/2383 ,  H04N21/61 ,  H04N21/63 ,  H04N21/262 ,  H04N21/41 ,  H04N21/426

Abstract: The present invention proposes a method of providing a broadcasting service. The method of providing the broadcasting service through a broadcasting receiver according to the present invention includes: a step of pairing a network interface unit and a companion device; and a step of receiving an electronic service guide (ESG) through a reception unit, wherein the method of providing the broadcasting service may include ESG data related to at least one broadcasting service.

公开(公告)号：US10469919B2

公开(公告)日：2019-11-05

申请号：US15556959

申请日：2016-04-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/858 ,  H04N21/236 ,  H04N21/81 ,  H04L12/851

Abstract: A broadcast signal reception method comprises the steps of: receiving, via a broadcast network, a broadcast signal which includes service data for a service and signaling data; establishing a WebSocket connection with a server on the basis of URL information; and receiving a message including an event via WebSocket.

公开(公告)号：US10440447B2

公开(公告)日：2019-10-08

申请号：US15765761

申请日：2016-10-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/8358 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2389 ,  H04N21/643 ,  H04N21/443 ,  H04N21/61 ,  H04L29/06

Abstract: A broadcast signal transmission method is disclosed. The broadcast signal transmission method according to one embodiment of the present invention comprises the steps of: processing video data and audio data; encoding a broadcast service component, including the video data and audio data, and service layer signaling (SLS) information on the broadcast service component on the basis of a delivery protocol; subjecting the broadcast service component, the SLS information, and service list table (SLT) information to IP packetization; and subjecting the broadcast service component, the SLS information, and the SLT information to physical layer processing.