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：US10728076B2

公开(公告)日：2020-07-28

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：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：US20200177429A1

公开(公告)日：2020-06-04

申请号：US16783606

申请日：2020-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong Choi ,  Woosuk Ko ,  Sangchul Moon ,  Sungryong Hong

IPC: H04L27/26 ,  H04B7/0456 ,  H04H20/33 ,  H04B7/0413 ,  H04B7/10 ,  H04L1/06 ,  H04B7/08

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprises encoding service data, encoding signaling data, MIMO (Multiple-Input and Multiple-Output) precoding the encoded service data, building at least one signal frame including the MIMO precoded service data and the encoded signaling data, modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the broadcast signals having the modulated data.

公开(公告)号：US10601625B2

公开(公告)日：2020-03-24

申请号：US16293361

申请日：2019-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04L1/04 ,  H04W72/04 ,  H04L1/06

Abstract: Disclosed herein is a method of receiving a broadcast signal. The method comprises receiving the broadcast signal; an Orthogonal Frequency Division Multiplexing (OFDM) demodulating on the received broadcast signal; parsing at least one signal frame from the demodulated broadcast signal to extract service data or service component data; converting the service data or service component data into bits; decoding the converted bits; and outputting a data stream comprising the decoded bits.

公开(公告)号：US10587368B2

公开(公告)日：2020-03-10

申请号：US16197303

申请日：2018-11-20

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04L29/06 ,  H03M13/27 ,  H03M13/25 ,  H03M13/00 ,  H04B7/0456 ,  H03M13/11 ,  H03M13/15 ,  H04L1/04

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, PLP (Physical Layer Pipe) data; time interleaving, by a time interleaver, the encoded PLP data; frame mapping, by a framer, the time interleaved PLP data onto at least one signal frames; frequency interleaving, by a frequency interleaver, data in the at least one signal frames; and waveform modulating, by a waveform module, the frequency interleaved data in the at least one signal frame and transmitting, by the waveform module, broadcast signals having the modulated data, wherein the frequency interleaving is conducted according to an interleaving mode, wherein the interleaving mode is determined based on a FFT (Fast Fourier Transform) size.

公开(公告)号：US10547482B2

公开(公告)日：2020-01-28

申请号：US16399425

申请日：2019-04-30

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：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：US10454731B2

公开(公告)日：2019-10-22

申请号：US16164160

申请日：2018-10-18

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L12/18 ,  H04L1/00 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/09 ,  H03M13/11 ,  H03M13/15 ,  H04L5/00

Abstract: A broadcast signal receiver includes a tuner configured to receive a broadcast signal; a pilot detector configured to detect pilots included in the broadcast signal; a de-framer configured to de-frame a signal frame of the broadcast signal and to extract Physical Layer Pipe (PLP) data from the signal frame; and a decoder configured to decode the PLP data, wherein the signal frame comprises a bootstrap, a preamble, and the PLP data, wherein the bootstrap comprises first information for indicating system bandwidth, second information for emergency alert wake up, and third information for indicating structure of the preamble, wherein the preamble comprises a plurality of preamble symbols, the preamble carrying Layer 1 (L1) signaling data for the signal frame, and wherein the foremost preamble symbol comprises fourth information indicating a number of at least one remaining preamble symbol.