Patents by Inventor Sang Kil Park
Sang Kil Park 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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Publication number: 20120128012Abstract: A digital broadcast system and a data processing method are disclosed. A data processing method of a digital broadcast transmission system includes delaying a reference time of a program clock reference (PCR) based on a size of mobile service data, when processing a broadcasting signal including main service data and the mobile service data, verifying a transport stream system target decoder (T-STD) model based on the PCR of the delayed reference time, and storing a packet of the main service data in an auxiliary buffer, when overflow of a buffer in the T-STD model is estimated as the verification result of the T-STD model.Type: ApplicationFiled: February 2, 2012Publication date: May 24, 2012Applicant: LG ELECTRONICS INC.Inventors: Sang Kil Park, In Hwan Choi, Jae Hyung Song, Chul Soo Lee
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Publication number: 20120110412Abstract: A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service.Type: ApplicationFiled: January 4, 2012Publication date: May 3, 2012Applicant: LG Electronics Inc.Inventors: Chul Soo Lee, In Hwan Choi, Sang Kil Park
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Patent number: 8171308Abstract: A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group in the received mobile service data, acquiring control data required to decrypt an encrypted service included in an ensemble by using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, and controlling such that the encrypted service is decrypted by using the acquired control data.Type: GrantFiled: September 22, 2008Date of Patent: May 1, 2012Assignee: LG Electronics Inc.Inventors: In Hwan Choi, Chul Soo Lee, Sang Kil Park
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Patent number: 8121064Abstract: A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service.Type: GrantFiled: March 17, 2011Date of Patent: February 21, 2012Assignee: LG Electronics Inc.Inventors: Chul Soo Lee, In Hwan Choi, Sang Kil Park
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Publication number: 20110276999Abstract: A method of processing broadcast data includes: receiving a broadcast signal including a group including mobile service data, FIC data, TPC data and known data sequences; demodulating the broadcast signal; compensating channel distortion generated in the demodulated broadcast signal based upon at least one of the known data sequences; decoding the FIC data and the TPC data from the channel distortion compensated broadcast signal; extracting the signaling information table from the channel distortion compensated broadcast signal; identifying a stream where keys to decrypt the mobile service data are obtained using the extracted signaling information table; and decrypting the mobile service data using the keys. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block.Type: ApplicationFiled: July 14, 2011Publication date: November 10, 2011Inventors: Sang Kil PARK, In Hwan CHOI, Jae Hyung SONG, Chul Soo LEE
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Publication number: 20110271298Abstract: A method of processing broadcast data includes: performing RS encoding and CRC encoding on mobile service data to generate an RS frame belonging to an ensemble including a signaling information table including access information of the mobile service data and identification information for identifying a stream where keys to decrypt the mobile service data are obtained; mapping a portion of data in the RS frame to a group including known data sequences, FIC data, and TPC data, wherein the FIC data includes information for rapid mobile service acquisition, and the TPC data includes FIC version information for indicating an update of the FIC data; and transmitting a broadcast signal including the group. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block.Type: ApplicationFiled: July 13, 2011Publication date: November 3, 2011Inventors: Sang Kil Park, In Hwan Choi, Jae Hyung Song, Chul Soo Lee
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Publication number: 20110222494Abstract: A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service.Type: ApplicationFiled: March 17, 2011Publication date: September 15, 2011Inventors: Chul Soo LEE, In Hwan Choi, Sang Kil Park
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Patent number: 8006271Abstract: A method includes performing Reed Solomon (RS) and Cyclic Redundancy Check encoding on mobile data and a table including access information of the data and information identifying a stream where data decryption keys are obtained, thereby forming an RS frame, which is divided into groups. Each group includes a portion of the RS frame data, known data sequences, fast information channel (FIC) data, and transmission parameter channel (TPC) data. The FIC data includes information for rapid mobile service acquisition. The TPC data includes information for indicating an FIC data update. A broadcast signal including the groups is transmitted. The RS frame size is L (rows)×N (column size of the RS frame) bytes. Each row has an M-byte header, leaving the remainder available for data. Data in the rows are packed into the rows end-to-end, with possible wrapping around at the end of each row to the next row.Type: GrantFiled: February 3, 2010Date of Patent: August 23, 2011Assignee: LG Electronics, Inc.Inventors: Sang Kil Park, In Hwan Choi, Jae Hyung Song, Chul Soo Lee
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Patent number: 8001572Abstract: A reception system includes a baseband processor receiving a broadcasting signal including mobile service data and main service data, the mobile service data including first service data and second service data, a table handler parsing a table from an RS frame and extracting signaling information of the second service data, a frame handler extracting the second service data from the RS frame on the basis of the extracted signaling information, and a conditional access handler releasing the conditional access of the extracted second service data on the basis of conditional access information of the extracted signaling information.Type: GrantFiled: September 22, 2008Date of Patent: August 16, 2011Assignee: LG Electronics, Inc.Inventors: Sang Kil Park, In Hwan Choi, Jae Hyung Song, Chul Soo Lee
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Publication number: 20110149794Abstract: Provided are a dynamic flow sampling apparatus and dynamic flow sampling method. According to embodiments of the present invention, by collecting load information about a load of an Internet network and dynamically performing a flow sampling with respect to a packet based on the load information and a reference value, the load on an Internet network device and a data processing time for a traffic analysis may be reduced. Further, since an amount of traffic in a population to be analyzed may increase, reliability on an analysis result may be enhanced.Type: ApplicationFiled: December 20, 2010Publication date: June 23, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Sang Wan KIM, Sang Sik Yoon, Dong Won Kang, Sang Kil Park, Joon Kyung Lee
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Publication number: 20110149727Abstract: A traffic control apparatus is provided which includes an interface connector to transmit/receive an Internet Protocol (IP) packet to/from an external circuit, a frame generator to receive the IP packet through the interface connector and to generate a Media Access Control (MAC) frame, and a network processor to transmit/receive the IP packet to/from the frame generator, to execute at least one programmable application, and to identify and classify the at least one programmable application.Type: ApplicationFiled: December 21, 2010Publication date: June 23, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Sang Sik YOON, Sang Kil Park, Sang Wan Kim, Dong Won Kang, Joon Kyung Lee, Taesang Choi, Kyeong Ho Lee, Young Beom Choi, Ki Dong Nam, Kyung Pyo Jun, Jin Ho Hahm
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Publication number: 20110149776Abstract: Disclosed are a network interface card device and a traffic processing method using the network interface card device, the method including receiving a packet from a network, determining, by a first chipset, whether a detailed analysis is performed by verifying the received packet, and analyzing in detail, by a second chipset, with respect to a packet using the detailed analysis.Type: ApplicationFiled: December 20, 2010Publication date: June 23, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Sang Kil PARK, Sang Wan Kim, Sang Sik Yoon, Dong Won Kang, Joon Kyung Lee
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Publication number: 20110149746Abstract: Provided is a scheme for extracting and detecting a predetermined traffic packet by monitoring a packet stream in a router, more particularly, a method and apparatus of monitoring a packet stream in a router. The apparatus may include a packet stream reading unit to read a packet stream inputted to the router, and an abnormal packet detecting unit to determine whether the read packet stream is abnormal.Type: ApplicationFiled: December 20, 2010Publication date: June 23, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Dong Won Kang, Joon Kyung Lee, Sang Wan Kim, Sang Kil Park, Sang Sik Yoon
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Patent number: 7933232Abstract: A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service.Type: GrantFiled: April 22, 2010Date of Patent: April 26, 2011Assignee: LG Electronics, Inc.Inventors: Chul Soo Lee, In Hwan Choi, Sang Kil Park
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Publication number: 20100322424Abstract: A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, detecting a conditional access descriptor indicating whether the mobile service data was encrypted, using the acquired program table, and controlling such that the encrypted mobile service data is decrypted, using information of the detected conditional access descriptor.Type: ApplicationFiled: August 27, 2010Publication date: December 23, 2010Inventors: In Hwan Choi, Chul Soo Lee, Sang Kil Park
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Patent number: 7809139Abstract: A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, detecting a conditional access descriptor indicating whether the mobile service data was encrypted, using the acquired program table, and controlling such that the encrypted mobile service data is decrypted, using information of the detected conditional access descriptor.Type: GrantFiled: September 22, 2008Date of Patent: October 5, 2010Assignee: LG Electronics, Inc.Inventors: In Hwan Choi, Chul Soo Lee, Sang Kil Park
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Publication number: 20100211973Abstract: A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service.Type: ApplicationFiled: April 22, 2010Publication date: August 19, 2010Inventors: Chul Soo LEE, In Hwan Choi, Sang Kil Park
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Publication number: 20100194998Abstract: An apparatus for processing images includes a de-multiplexer, a first decoder, a thumbnail generator and an encoder. The de-multiplexer receives a data stream, the de-multiplexer de-multiplexing a video signal and a channel information from the data stream. A first decoder decodes the video signal to provide a decoded video signal including at least one of Predicted frame, (P-frame), Intra frame (I-frame) or Bi-directional frame (B-frame). The thumbnail generator is coupled to the first decoder, and the thumbnail generator generates at least one of a still picture thumbnail or a moving picture thumbnail based on the decoded video signal. The still picture thumbnail and the moving picture thumbnail have at least one of a smaller resolution or a smaller data size than the decoded video signal. The encoder is coupled to the thumbnail generator and the de-multiplexer.Type: ApplicationFiled: January 4, 2010Publication date: August 5, 2010Applicant: LG Electronics Inc.Inventors: Kun-Sik LEE, Yoon-Jung KIM, Hae-Jin BAE, Gyu-Seung KIM, Sang-Chul KIM, Sang-Kil PARK, Jae-Kyung LEE, Jin-Gyeong KIM, Tae-Il CHUNG
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Publication number: 20100158156Abstract: A method includes performing Reed Solomon (RS) and Cyclic Redundancy Check encoding on mobile data and a table including access information of the data and information identifying a stream where data decryption keys are obtained, thereby forming an RS frame, which is divided into groups. Each group includes a portion of the RS frame data, known data sequences, fast information channel (FIC) data, and transmission parameter channel (TPC) data. The FIC data includes information for rapid mobile service acquisition. The TPC data includes information for indicating an FIC data update. A broadcast signal including the groups is transmitted. The RS frame size is L (rows)×N (column size of the RS frame) bytes. Each row has an M-byte header, leaving the remainder available for data. Data in the rows are packed into the rows end-to-end, with possible wrapping around at the end of each row to the next row.Type: ApplicationFiled: February 3, 2010Publication date: June 24, 2010Inventors: Sang Kil Park, In Hwan Choi, Jae Hyung Song, Chul Soo Lee
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Patent number: 7733819Abstract: A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service.Type: GrantFiled: August 25, 2008Date of Patent: June 8, 2010Assignee: LG Electronics Inc.Inventors: Chul Soo Lee, In Hwan Choi, Sang Kil Park