Patents by Inventor Il Soo Cho
Il Soo Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10264553Abstract: A method and apparatus for transmitting a broadcast signal are provided. Data of data packets is encoded to add first parity data to the data packets. The data packets include broadcast data and signaling data for a service. The signaling data includes type information indicating a type of the service and channel information of the service. Information for acquisition of the signaling data is predefined. The encoded data is block interleaved. The block-interleaved data is convolutional interleaved. Transmission parameters are first encoded for signaling the broadcast data to add second parity data to the transmission parameters, and the first-encoded transmission parameters are second encoded at a code rate. A frame including the convolutional interleaved data and the second-encoded transmission parameters is built. The broadcast signal including the frame is transmitted. The transmission parameters include information for identifying a number of the first parity data.Type: GrantFiled: August 1, 2017Date of Patent: April 16, 2019Assignee: LG ELECTRONICS INC.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Publication number: 20170359802Abstract: A method and apparatus for transmitting a broadcast signal are provided. Data of data packets is encoded to add first parity data to the data packets. The data packets include broadcast data and signaling data for a service. The signaling data includes type information indicating a type of the service and channel information of the service. Information for acquisition of the signaling data is predefined. The encoded data is block interleaved. The block-interleaved data is convolutional interleaved. Transmission parameters are first encoded for signaling the broadcast data to add second parity data to the transmission parameters, and the first-encoded transmission parameters are second encoded at a code rate. A frame including the convolutional interleaved data and the second-encoded transmission parameters is built. The broadcast signal including the frame is transmitted. The transmission parameters include information for identifying a number of the first parity data.Type: ApplicationFiled: August 1, 2017Publication date: December 14, 2017Applicant: LG ELECTRONICS INC.Inventors: Il Soo CHO, Hyeon Cheol CHO, Jong Sun PARK, In Hwan CHOI, Hyoung Gon LEE, Won Gyu SONG, Seung Man KIM, Jong Moon KIM, Jin Woo KIM, Kook Yeon KWAK, Byoung Gill KIM
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Patent number: 9743382Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a first receiving unit, a second receiving unit, a known sequence detector, a equalizer, and a display unit. The first receiving unit receives a first broadcast signal including first mobile broadcast service data and first main broadcast service data. The second receiving unit receives a second broadcast signal including second mobile broadcast service data and second main broadcast service data. The known sequence detector detects at least one of known data included in the received first broadcast signal and known data included in the received second broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received first and second mobile broadcast service data corresponding to the detected known data.Type: GrantFiled: April 16, 2014Date of Patent: August 22, 2017Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Publication number: 20140301376Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a first receiving unit, a second receiving unit, a known sequence detector, a equalizer, and a display unit. The first receiving unit receives a first broadcast signal including first mobile broadcast service data and first main broadcast service data. The second receiving unit receives a second broadcast signal including second mobile broadcast service data and second main broadcast service data. The known sequence detector detects at least one of known data included in the received first broadcast signal and known data included in the received second broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received first and second mobile broadcast service data corresponding to the detected known data.Type: ApplicationFiled: April 16, 2014Publication date: October 9, 2014Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8755774Abstract: An apparatus and method for processing digital broadcast signal are provided. The method for processing a broadcast signal includes forming a data group having mobile broadcast service data, where forming the data group includes mapping the mobile broadcast service data into corresponding locations of the data group, adding known data sequences and signaling data into the data group, inserting place holder bytes for MPEG header and non-systematic Reed-Solomon (RS) parity, and de-interleaving data of the data group having the mobile broadcast service data, known data sequences, signaling data and place holder bytes, and formatting mobile broadcast service data packets including the de-interleaved data of the data group, where formatting the mobile broadcast service data packets includes removing place holder bytes for the non-systematic RS parity, and replacing place holder bytes for the MPEG header with the MPEG header.Type: GrantFiled: December 15, 2011Date of Patent: June 17, 2014Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8315337Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes N number of antenna elements, a demodulator, a transmission parameter detector, and a block decoder. The N number of antenna elements receives each of the broadcast signals. The demodulator demodulates the broadcast signal having greater signal strength among each of the received broadcast signals. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the mobile broadcast service data included in the received broadcast signal in block units, based upon the detected transmission parameter.Type: GrantFiled: June 30, 2008Date of Patent: November 20, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8265868Abstract: A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a position information module, and a navigation unit. The signal receiving unit receives broadcast signal multiplexed mobile broadcast service data including traffic information and main broadcast service data. The position information module searches and generates a current position information of the broadcast receiver. The navigation unit assigns a weight to each link of a route to a destination based on the current position information received and the traffic information included in the mobile broadcast service data and searches for a bypass route based on the weighted link, and then performs route guidance using at least one of current route and the bypass route.Type: GrantFiled: July 7, 2008Date of Patent: September 11, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Publication number: 20120192241Abstract: An apparatus and method for processing digital broadcast signal are provided. The method for processing a broadcast signal includes forming a data group having mobile broadcast service data, where forming the data group includes mapping the mobile broadcast service data into corresponding locations of the data group, adding known data sequences and signaling data into the data group, inserting place holder bytes for MPEG header and non-systematic Reed-Solomon (RS) parity, and de-interleaving data of the data group having the mobile broadcast service data, known data sequences, signaling data and place holder bytes, and formatting mobile broadcast service data packets including the de-interleaved data of the data group, where formatting the mobile broadcast service data packets includes removing place holder bytes for the non-systematic RS parity, and replacing place holder bytes for the MPEG header with the MPEG header.Type: ApplicationFiled: December 15, 2011Publication date: July 26, 2012Applicant: LG ELECTRONICS INC.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8190081Abstract: A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a transmission parameter detector, a block decoder, a storage unit, and a data manager. The signal receiving unit receives a broadcast signal multiplexed mobile broadcast service data including two-way contents and main broadcast service data. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the received broadcast signal included in the mobile broadcast service data in block units, based upon the detected transmission parameter. The storage unit stores the decoded two-way contents. The data manager reads a requested two-way contents from the stored two-way contents with respect to a user's select signal, and provides the requested two-way contents service.Type: GrantFiled: July 7, 2008Date of Patent: May 29, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8165803Abstract: A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a receiving unit, a RS frame decoder, a storage unit, and a navigation unit. The receiving unit receives a broadcast signal multiplexed mobile broadcast service data including information on route prediction and main broadcast service data. The RS frame decoder performs CRC-decoding and RS-decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The navigation unit uses the information on route prediction and a current position information of the broadcast receiver, thereby predicting at least one route.Type: GrantFiled: July 7, 2008Date of Patent: April 24, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8160536Abstract: A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a known sequence detector, and a channel equalizer. The signal receiving unit repeats, when an operating mode of the broadcast receiver has been switched to a Discontinuous Receive (DRx) mode, preset wake-up and sleep sections, and receives a broadcast signal containing main broadcast service and mobile broadcast service data in the wake-up section. The known sequence detector detects known data included in the received broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received mobile broadcast service data.Type: GrantFiled: July 7, 2008Date of Patent: April 17, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8144790Abstract: A broadcast receiver, and a method of processing data are disclosed. The broadcast receiver includes a receiving unit, a RS frame decoder, a decoding unit, and an output unit. The receiving unit receives a broadcast signal multiplexed mobile broadcast service data including a first information associated with safety/security and main broadcast service data. The RS frame decoder performs CRC-decoding and RS-decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The decoding unit extracts the first information from the error-corrected mobile broadcast service data, thereby decoding the extracted data with at least one of an audio decoder, a video decoder, and a data decoder. The output unit outputs the first information decoded by the decoder in a form of at least one of a text, a voice message, and an image.Type: GrantFiled: July 7, 2008Date of Patent: March 27, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8136011Abstract: A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a RS frame decoder, a decoding unit, a text-to-speech (TTS) module, a voice output unit, and a control unit. The signal receiving unit receives broadcast signal multiplexed mobile broadcast service data including text information and main broadcast service data. The RS frame decoder performs decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The decoding unit decodes the text information included in the error-corrected mobile broadcast service data. The text-to-speech (TTS) module converts the text information to a voice signal. The voice output unit outputs the converted voice signal. The control unit controls the voice output unit.Type: GrantFiled: July 7, 2008Date of Patent: March 13, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8135077Abstract: A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a broadcasting module, at least one function module, and a controller. The broadcasting module receives and processes mobile broadcast signal. The function module outputs at least one of a video output and an audio output. The controller controls output of at least one of video output and audio output corresponding to each of the broadcasting module and the function module, when a mode shift occurs between the broadcasting module and at least one the function module.Type: GrantFiled: July 7, 2008Date of Patent: March 13, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8103208Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a receiving unit, a RS frame decoder, and a memory. The receiving unit receives a broadcast signal including mobile broadcast service data and main broadcast service data. The RS frame decoder performs CRC-decoding and RS-decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The memory stores at least one of a traffic information, a POI (point of interesting), and a map information included in the error-corrected mobile broadcast service data.Type: GrantFiled: June 30, 2008Date of Patent: January 24, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: 8103227Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a first receiving unit, a second receiving unit, a known sequence detector, a equalizer, and a display unit. The first receiving unit receives a first broadcast signal including first mobile broadcast service data and first main broadcast service data. The second receiving unit receives a second broadcast signal including second mobile broadcast service data and second main broadcast service data. The known sequence detector detects at least one of known data included in the received first broadcast signal and known data included in the received second broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received first and second mobile broadcast service data corresponding to the detected known data.Type: GrantFiled: June 30, 2008Date of Patent: January 24, 2012Assignee: LG Electronics Inc.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Publication number: 20090067336Abstract: A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a position information module, and a navigation unit. The signal receiving unit receives broadcast signal multiplexed mobile broadcast service data including traffic information and main broadcast service data. The position information module searches and generates a current position information of the broadcast receiver. The navigation unit assigns a weight to each link of a route to a destination based on the current position information received and the traffic information included in the mobile broadcast service data and searches for a bypass route based on the weighted link, and then performs route guidance using at least one of current route and the bypass route.Type: ApplicationFiled: July 7, 2008Publication date: March 12, 2009Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: RE45975Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes N number of antenna elements, a demodulator, a transmission parameter detector, and a block decoder. The N number of antenna elements receives each of the broadcast signals. The demodulator demodulates the broadcast signal having greater signal strength among each of the received broadcast signals. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the mobile broadcast service data included in the received broadcast signal in block units, based upon the detected transmission parameter.Type: GrantFiled: August 20, 2014Date of Patent: April 12, 2016Assignee: LG ELECTRONICS INC.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: RE46674Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes N number of antenna elements, a demodulator, a transmission parameter detector, and a block decoder. The N number of antenna elements receives each of the broadcast signals. The demodulator demodulates the broadcast signal having greater signal strength among each of the received broadcast signals. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the mobile broadcast service data included in the received broadcast signal in block units, based upon the detected transmission parameter.Type: GrantFiled: November 20, 2014Date of Patent: January 16, 2018Assignee: LG ELECTRONICS INC.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim
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Patent number: RE48276Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes N number of antenna elements, a demodulator, a transmission parameter detector, and a block decoder. The N number of antenna elements receives each of the broadcast signals. The demodulator demodulates the broadcast signal having greater signal strength among each of the received broadcast signals. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the mobile broadcast service data included in the received broadcast signal in block units, based upon the detected transmission parameter.Type: GrantFiled: December 6, 2017Date of Patent: October 20, 2020Assignee: LG ELECTRONICS INC.Inventors: Il Soo Cho, Hyeon Cheol Cho, Jong Sun Park, In Hwan Choi, Hyoung Gon Lee, Won Gyu Song, Seung Man Kim, Jong Moon Kim, Jin Woo Kim, Kook Yeon Kwak, Byoung Gill Kim