公开(公告)号：US20200275140A1

公开(公告)日：2020-08-27

申请号：US16871627

申请日：2020-05-11

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon LEE ,  Sejin OH ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/236 ,  H04N21/6437 ,  H04N21/845 ,  H04L29/06

Abstract: A broadcast transmitter for processing a broadcast signal is discussed. The broadcast transmitter includes a packetizer to generate transport packets based on a Layered Coding Transport (LCT) format, wherein the transport packets are used to transport at least one delivery object and signaling data; and a transmitter to transmit the broadcast signal comprising the transport packets, wherein the signaling data includes a real-time attribute which is a boolean flag that is set to true when the transport packets carry a real-time content that is comprised of the at least one delivery object, and wherein a header of at least one transport packet of the transport packets includes codepoint information for indicating a type of a payload that is carried by the at least one transport packet, transport object identifier information for identifying the at least one delivery object, and information for identifying a starting position of a fragment of the delivery object carried in the at least one transport packet.

公开(公告)号：US20200177946A1

公开(公告)日：2020-06-04

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

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：US20200169622A1

公开(公告)日：2020-05-28

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：US20200092597A1

公开(公告)日：2020-03-19

申请号：US16678264

申请日：2019-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Kyoungsoo MOON

IPC: H04N21/2665 ,  H04N21/426 ,  H04N21/434 ,  H04N21/438 ,  H04N21/462 ,  H04N21/643 ,  H04N21/854 ,  H04N21/236 ,  H04N21/61

Abstract: The present invention relates to a device for receiving a hybrid broadcast service and a method for transmitting the same. The device for receiving a hybrid broadcast service, according to one embodiment of the present invention, comprises: a first reception unit for receiving a first broadcast signal transmitted through a first network; a second reception unit for receiving a second broadcast signal transmitted through a second network, wherein the broadcast signal includes a service information table; a signaling information processing unit for extracting the service information table from the broadcast signal, wherein the service information table includes a component identifier descriptor for signaling information for identifying each of a plurality of components constituting one broadcast service, the component identifier descriptor including identification information; and an audio/video processing unit for acquiring the broadcast service including the plurality of components by using the component identification information, and decoding and reproducing the acquired broadcast service.

公开(公告)号：US20200067833A1

公开(公告)日：2020-02-27

申请号：US16666069

申请日：2019-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Minsung KWAK ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04L12/741 ,  H04L12/801 ,  H04L12/18 ,  H04L29/06 ,  H04L29/08

Abstract: A method of transmitting a broadcast signal, includes processing one or more input packets to generate link layer packet(s), each link layer packet including a header and a payload, the header including packet type information representing a type of an input packet in the payload and payload configuration information representing a configuration of the payload, wherein the type of the input packet is an Internet Protocol (IP) packet or a Movie Picture Exports Group (MPEG) Transport Stream (TS) packet, the payload configuration information is set to a first value for a link layer packet including a single input packet and no additional header or the single input packet with an additional header, or the payload configuration information is set to a second value for a link layer packet including more than one input packet or a part of one input packet, and processing the link layer packet(s) to generate the broadcast signal.

公开(公告)号：US20190327583A1

公开(公告)日：2019-10-24

申请号：US16458725

申请日：2019-07-01

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon LEE ,  Seungryul YANG ,  Sejin OH ,  Woosuk KO ,  Seungjoo AN ,  Kyoungsoo MOON ,  Sungryong HONG

IPC: H04W4/06 ,  H04H20/59

Abstract: A broadcast receiving apparatus may comprise: a broadcast interface for receiving a broadcast signal comprising an emergency alert message and signaling information indicating metadata for the emergency alert message; a control unit for generating an emergency alert multicast message comprising attributes of the emergency alert message on the basis of the broadcast signal; and a companion screen interface for transferring the emergency alert multicast message to at least one companion screen device in a multicast mode.

公开(公告)号：US20190320296A1

公开(公告)日：2019-10-17

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

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：US20190306582A1

公开(公告)日：2019-10-03

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

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：US20190306006A1

公开(公告)日：2019-10-03

申请号：US16381748

申请日：2019-04-11

Applicant: LG Electronics Inc.

Inventor： Minsung KWAK ,  Seungryul YANG ,  Woosuk KO ,  Woosuk KWON ,  Kyoungsoo MOON ,  Jangwon LEE ,  Sungryong HONG

IPC: H04L29/08 ,  H04L29/06

Abstract: Disclosed is a method for transmitting a broadcast signal. A method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: delivery layer processing broadcasting service data and signaling information for the broadcasting service data; UDP/IP encapsulating the broadcasting service data and signaling information for the broadcasting service data; and physical layer processing the broadcasting service data and signaling information for the broadcasting service data.

公开(公告)号：US20190268397A1

公开(公告)日：2019-08-29

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

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.