Patents by Inventor Jun Heo

Jun Heo 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).

  • Publication number: 20150019930
    Abstract: Provided is an apparatus for designing a quantum code, which includes an analyzing unit for analyzing at least one quantum error generated in a quantum error channel as at least one binary error by using a standard form codeword stabilized quantum (CWS) code, a code generating unit for generating a binary error-correcting code which corrects the at least one binary error, a word operator generating unit for generating at least one word operator of the CWS code by using the at least one binary error-correcting code, and a codeword generating unit for generating at least one codeword including at least one entangled qubit (ebit) by using the at least one word operator.
    Type: Application
    Filed: February 21, 2012
    Publication date: January 15, 2015
    Applicant: Korea University Research and Business Foundation
    Inventors: Jun Heo, Jeong Hwan Shin
  • Publication number: 20140380458
    Abstract: Disclosed is an apparatus for preventing illegal access of industrial control system and a method thereof in accordance with the present invention. The apparatus for preventing illegal access of industrial control system includes: a first interface communicating a packet by interoperating with a management network group that requests a control command; a second interface communicating a packet by interoperating with a control network group that receives a control command from the management network group and processes it; and a control device, which, when a packet flows therein from the management network group or the control network group, checks whether or not at least one filter rule is set and controls the packet flow between the management network group and the control network group using the filter where the rule is set.
    Type: Application
    Filed: April 4, 2014
    Publication date: December 25, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Koo KIM, Dong-Ho KANG, Seon-Gyoung SOHN, Young-Jun HEO, Jung-Chan NA
  • Publication number: 20140351351
    Abstract: An electronic device of the present invention is enclosed. An electronic device in one embodiment of the present invention periodically transmits current location information to the location information service providing server in case of executing grouping applications, produces group including at least one member, selected by a user, of address list information received from the location information service providing server, requests messages requesting group participation to the member included in the group through the social network service providing server in case of generating predetermined events, and periodically receives the location information from the member accepting the group participation and displays the received location information on a map.
    Type: Application
    Filed: May 21, 2014
    Publication date: November 27, 2014
    Applicant: THINKWARESYSTEMS CORP.
    Inventors: Hyun Joong YU, Jun Sik KIM, Won Jun HEO
  • Publication number: 20140339517
    Abstract: Provided is an organic light-emitting diode (OLED) display including: a first plastic layer; a first barrier layer formed on the first plastic layer; a first intermediate layer formed on the first barrier layer; a second plastic layer formed on the intermediate layer; an OLED layer formed on the second plastic layer; and a thin-film encapsulation layer encapsulating the OLED layer.
    Type: Application
    Filed: February 7, 2014
    Publication date: November 20, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yong-Hwan Park, Jae-Seob Lee, Gyoo-Chul Jo, Jin-Kyu Kang, Jun Heo, Sung-Guk An, Sung-Sik Bae
  • Patent number: 8885454
    Abstract: An apparatus and method for transmitting in a multi-user multi-antenna system are provided. The apparatus includes a precoder for orthogonalizing a channel by removing a channel element of a corresponding terminal with respect to multiple terminals, for determining an effective channel of each terminal by decomposing the orthogonalized channel using Singular Value Decomposition (SVD), for determining a precoding matrix using the effective channel, and for mapping data streams of the multiple terminals to a plurality of transmit antennas using the precoding matrix, and the plurality of the transmit antennas for transmitting the data streams of the multiple terminals. Hence, it is possible to obtain an iteration algorithm performance requiring considerable computation while avoiding complexity and reducing computation.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: November 11, 2014
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Sung-Woo Park, In-Seok Hwang, InKyu Lee, Jin-Sung Kim, Chung-Gu Kang, Jun Heo
  • Publication number: 20140294118
    Abstract: An apparatus and a method for transmitting data using a fountain code are provided. The method for transmitting data includes determining a degree distribution of a fountain code based on erasure rate information regarding at least one receiving end, performing fountain encoding according to the degree distribution, and transmitting symbols generated by the fountain encoding.
    Type: Application
    Filed: April 1, 2014
    Publication date: October 2, 2014
    Applicants: Korea University Research and Business Foundation, Samsung Electronics Co., Ltd.
    Inventors: Jong-Hyun BAIK, YoungKil SUH, Sung-Won KIM, Jun HEO
  • Publication number: 20140242530
    Abstract: Substrate heat treatment apparatus and method are provided. According to an embodiment of the present invention, there is provided a substrate heat treatment apparatus including an inner shell configured to form a substrate housing space to house at least one substrate, an outer shell configured to cover the inner shell, and having at least one gas hole, and at least one heater configured to heat the substrate, wherein the at least one gas hole is configured to allow a first gas to be injected into a space between the inner shell and the outer shell.
    Type: Application
    Filed: July 18, 2013
    Publication date: August 28, 2014
    Inventors: Sung Guk An, Jun Heo, Jong Hyun Yun, Kyoung Wan Park, Ho Young Kang, Byung Il Lee
  • Patent number: 8711720
    Abstract: Provided are a cognitive radio (CR) cooperative spectrum sensing method and a fusion center (FC) performing CR cooperative spectrum sensing. The CR cooperative spectrum sensing method includes receiving, at an FC, local spectrum sensing information about a predetermined frequency band from each of N secondary users (SUs) in a predetermined zone, determining, at the FC, the optimum number of SUs for determining whether the predetermined frequency band is being used by a primary user (PU) on the basis of the received local spectrum sensing information, and performing cooperative spectrum sensing on the basis of local spectrum sensing information received from the optimum number of SUs in the predetermined zone. The method is implemented by the FC. Accordingly, the method and FC find how many SUs are needed to determine that a frequency of a PU is being used in a corresponding-channel situation, thereby enabling efficient communication.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: April 29, 2014
    Assignee: Postech Academy—Industry Foundation
    Inventors: Jun Heo, Chong Joon You, Jae Young Lee
  • Publication number: 20140087651
    Abstract: The present invention relates to a system and method for determining the optimal number of hops when transmitting information over a relay network. To this end, the present invention provides a method for determining a communication path through which at least one of a source node, a destination node, and at least one relay node between the source node and the destination node transmits information between the source node and the destination node in a relay network, the method comprising determining the optimal number of hops taking into account an interference signal and a noise signal in each relay node existing on a plurality of communication paths connectable between the source node and the destination node; and determining one communication path satisfying the determined optimal number of hops from among the plurality of communication paths.
    Type: Application
    Filed: November 27, 2013
    Publication date: March 27, 2014
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jun HEO, Jae-Young LEE
  • Publication number: 20140082561
    Abstract: A user interface apparatus for path search and a method thereof are disclosed. The interface apparatus for path search includes an interface unit configured to provide a first user interface comprising a plurality of image objects, the first user interface configured to implement sweeping transition between the image objects in at least one direction, wherein the interface unit displays an image associated with at least one place which is an object for path search on the image objects.
    Type: Application
    Filed: September 13, 2013
    Publication date: March 20, 2014
    Applicant: THINKWARE SYSTEMS CORPORATION
    Inventors: Hyun Joong YU, Won Jun HEO, Jun Sik KIM
  • Patent number: 8359519
    Abstract: A cooperative transmission method includes: a first operation of coding, by a source node, a message desired to be transmitted according to a first encoding scheme to generate a first codeword and transmitting the first codeword to a relay node and a destination node; a second operation of decoding, by the relay node, the first codeword which has been received from the source node, coding the decoded message according to a second coding scheme to generate a second codeword, coding a part corresponding to parity of the second codeword according to the first coding scheme to generate a third codeword, and transmitting the third codeword to the destination node; and a third operation of decoding, by the destination node, the first codeword which has been received from the source node and the third codeword which has been received from the relay node, combining the message generated by decoding the first codeword and the parity part of the second codeword generated by decoding the third codeword to generate a fou
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: January 22, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chul Gyun Park, In Duk Han, Won Jin Lee, Jun Heo, Joun Sup Park
  • Publication number: 20120219076
    Abstract: Provided are a system and method in which a user node forwards surplus information, which is forwarded from a counterparty user sharing a destination node, to the destination node by using cooperation communication in a network and, more particularly, a coded cooperation communication system and method using an amplify-and-forward (AF) scheme in which the user uses such a protocol that the user can forward the surplus information of the counterparty user to the destination node even in the case where the user fails to decoding the encoded surplus information of the counterparty user, so that it is possible to solve a problem of information unbalance.
    Type: Application
    Filed: February 25, 2011
    Publication date: August 30, 2012
    Inventors: Jun HEO, Jae Young Lee
  • Publication number: 20120163355
    Abstract: Provided are a cognitive radio (CR) cooperative spectrum sensing method and a fusion center (FC) performing CR cooperative spectrum sensing. The CR cooperative spectrum sensing method includes receiving, at an FC, local spectrum sensing information about a predetermined frequency band from each of N secondary users (SUs) in a predetermined zone, determining, at the FC, the optimum number of SUs for determining whether the predetermined frequency band is being used by a primary user (PU) on the basis of the received local spectrum sensing information, and performing cooperative spectrum sensing on the basis of local spectrum sensing information received from the optimum number of SUs in the predetermined zone. The method is implemented by the FC. Accordingly, the method and FC find how many SUs are needed to determine that a frequency of a PU is being used in a corresponding-channel situation, thereby enabling efficient communication.
    Type: Application
    Filed: June 30, 2011
    Publication date: June 28, 2012
    Applicant: POSTECH ACADEMY - INDUSTRY FOUNDATION
    Inventors: Jun Heo, Chong Joon You, Jae Young Lee
  • Patent number: 8119090
    Abstract: Disclosed is a method for preparation of a nickel-carbonitride sphere, which includes preparing a melamine-formaldehyde resin, adding a nickel salt and a surfactant to the melamine-formaldehyde resin to prepare a nickel-melamine resin mixture, and conducting spray pyrolysis for the mixture to produce nickel-containing powder including nickel-carbonitride spheres. In addition, this method may further include thermal treatment of the nickel-containing powder.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: February 21, 2012
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jeung-Ku Kang, Se-Yun Kim, Jun-Ho Kwon, Seung-Jun Heo
  • Publication number: 20120020200
    Abstract: An apparatus and method for transmitting in a multi-user multi-antenna system are provided. The apparatus includes a precoder for orthogonalizing a channel by removing a channel element of a corresponding terminal with respect to multiple terminals, for determining an effective channel of each terminal by decomposing the orthogonalized channel using Singular Value Decomposition (SVD), for determining a precoding matrix using the effective channel, and for mapping data streams of the multiple terminals to a plurality of transmit antennas using the precoding matrix, and the plurality of the transmit antennas for transmitting the data streams of the multiple terminals. Hence, it is possible to obtain an iteration algorithm performance requiring considerable computation while avoiding complexity and reducing computation.
    Type: Application
    Filed: July 14, 2011
    Publication date: January 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Sung-Woo PARK, In-Seok HWANG, InKyu LEE, Jin-Sung KIM, Chung-Gu KANG, Jun HEO
  • Patent number: 8045646
    Abstract: Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission symbol by transforming a soft output information transferred from the outside to a log A posterior probability ratio (LAPPR) value; an APP value calculating unit for calculating a posterior probability (APP) value by applying a negative exponential function to the transmission symbol; an average value deciding unit for deciding an average value for each transmission symbol using the probability information entirely, partially, or selectively according to a probability information type; and a symbol phase estimating unit for estimating a phase of a symbol based on the decided average value.
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: October 25, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Pan-Soo Kim, Byoung-Hak Kim, Yun-Jeong Song, Deock-Gil Oh, Ho-Jin Lee, Jun Heo, Joong-Gon Ryoo
  • Publication number: 20110126077
    Abstract: A cooperative transmission method includes: a first operation of coding, by a source node, a message desired to be transmitted according to a first encoding scheme to generate a first codeword and transmitting the first codeword to a relay node and a destination node; a second operation of decoding, by the relay node, the first codeword which has been received from the source node, coding the decoded message according to a second coding scheme to generate a second codeword, coding a part corresponding to parity of the second codeword according to the first coding scheme to generate a third codeword, and transmitting the third codeword to the destination node; and a third operation of decoding, by the destination node, the first codeword which has been received from the source node and the third codeword which has been received from the relay node, combining the message generated by decoding the first codeword and the parity part of the second codeword generated by decoding the third codeword to generate a fou
    Type: Application
    Filed: July 21, 2010
    Publication date: May 26, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chul Gyun PARK, In Duk HAN, Won Jin LEE, Jun HEO, Joun Sup PARK
  • Publication number: 20110083055
    Abstract: The present invention relates to a decoding method for a raptor codes using system, which is capable of improving performance of the system and limiting increase in the amount of computation by grouping variable nodes if raptor codes are unsuccessfully decoded, to thereby increase a conjecture efficiency of variable node values. The decoding method is capable of improving performance of the system by making it possible to achieve performance improvement and additional reduction of the amount of computation even under an application of MP decoding by grouping variable nodes whose values cannot be known when decoded, dividing groups of variable nodes into sub groups, and conjecturing and recovering the variable nodes in a manner to exclude sub groups which do not satisfy check node equation.
    Type: Application
    Filed: October 16, 2009
    Publication date: April 7, 2011
    Applicant: MEWTEL TECHNOLOGY INC.
    Inventors: Jun HEO, Kwangseok NOH, Byung Gueon MIN
  • Publication number: 20110038780
    Abstract: Disclosed is a method for preparation of a nickel-carbonitride sphere, which includes preparing a melamine-formaldehyde resin, adding a nickel salt and a surfactant to the melamine-formaldehyde resin to prepare a nickel-melamine resin mixture, and conducting spray pyrolysis for the mixture to produce nickel-containing powder including nickel-carbonitride spheres. In addition, this method may further include thermal treatment of the nickel-containing powder.
    Type: Application
    Filed: June 25, 2010
    Publication date: February 17, 2011
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: JEUNG-KU KANG, Se-Yun Kim, Jun-Ho Kwon, Seung-Jun Heo
  • Patent number: 7843135
    Abstract: An organic light-emitting diode (OLED) display including a substrate, an OLED, a driver IC electrically connected to the OLED, and a sealing substrate having inner and outer surfaces, wherein the sealing substrate is affixed to the substrate such that both the driver IC and the OLED are enclosed between the inner surface of the sealing substrate and the substrate.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: November 30, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Se Jun Heo