Patents Assigned to Dongguk University-Industry-Academic Cooperation Foundation
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Publication number: 20120325709Abstract: Disclosed is a carbon dioxide indicator using chitosan and a food package comprising the same. The carbon dioxide indicator senses variation in partial pressure of carbon dioxide present in a head space of the package and thus visibly displays the result. The carbon dioxide indicator rapidly reacts at a specific critical point (pH 7.0) or less, thus being considerably highly sensitive.Type: ApplicationFiled: February 7, 2012Publication date: December 27, 2012Applicant: Dongguk University Industry-Academic Cooperation FoundationInventors: Sanghoon Ko, Junho Jung, Seung Ju Lee
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Publication number: 20120321725Abstract: Provided is a method of preparing a red clay processed material using red clay and sodium hydroxide and a red clay processed material having anti-corrosive and virus disinfecting activity. Also, a method of preparing alkali ionized water having excellent anti-bacterial, virus disinfecting and anti-corrosive activity using the red clay processed material, alkali ionized water using the same, and a functional product including the same are provided. The red clay processed material and the method of preparing alkali ionized water using the same can reduce the reaction temperature and reaction time compared to a conventional process, thereby significantly reducing the production cost.Type: ApplicationFiled: February 3, 2010Publication date: December 20, 2012Applicant: DONGGUK UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Jung-Keug Park, Moon Young Yoon
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Publication number: 20120314726Abstract: Provided are a laser diode using zinc oxide nanorods and a manufacturing method thereof. The laser diode using zinc oxide nanorods according to one embodiment of the present disclosure includes: a wafer; an electrode layer formed on the wafer; a nanorod layer including a plurality of n-doped zinc oxide nanorods grown on the electrode layer; and a p-doped single crystal semiconductor layer that is physically in contact with the ends of the zinc oxide nanorods.Type: ApplicationFiled: September 10, 2010Publication date: December 13, 2012Applicant: DONGGUK UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Sang Wuk Lee, Tae Won Kang, Gennady Panin, Hak Dong Cho
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Publication number: 20120308110Abstract: An automation method for CT image analysis for quantitatively analyzing the degree of thoracic deformation, and a record medium and apparatus are disclosed.Type: ApplicationFiled: February 9, 2012Publication date: December 6, 2012Applicant: Dongguk University, Industry-Academic Cooperation FoundationInventors: Sung Min Kim, Ho Chul Kim
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Publication number: 20120221237Abstract: Disclosed are an apparatus and method of cell-based path planning for a mobile body and a computer-readable recording medium storing the method therein. The method includes receiving a configuration space including a start point and a goal point of the mobile body and position information of obstacles, determining a search order of the obstacles located in the configuration space, performing cell decomposition by repeatedly connecting a vertex of one of the obstacles to a vertex of another obstacle according to the determined search order, and performing cell decomposition by making an extended line from each of non-connected vertices in a direction of dividing vertical angle of each of the non-connected vertices into two.Type: ApplicationFiled: November 23, 2011Publication date: August 30, 2012Applicant: Dongguk University Industry-Academic Cooperation FoundationInventors: Jin-Woo Jung, ByungChul So
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Publication number: 20120217285Abstract: A soldering jig is disclosed. The soldering jig in accordance with an embodiment of the present invention includes: a mounting block having a plurality of accommodation holes penetrating from one surface to the other surface thereof, a plurality of soldered objects being accommodated in the plurality of accommodation holes; a first cover block coupled to one surface of the mounting block and having a support part configured to support the plurality of soldered objects accommodated in the plurality of accommodation holes; and a second cover block coupled to the other surface of the mounting block and having a plurality of pressing protrusions protruded to face the plurality of accommodation holes, respectively, to elastically support the plurality of soldered objects. Accordingly, a Gunn diode package that is soldered in a uniform quality can be obtained by maintaining a uniform pressure and heat transfer to the soldered objects in a soldering process.Type: ApplicationFiled: May 10, 2012Publication date: August 30, 2012Applicant: Dongguk University Industry-Academic Cooperation FoundationInventor: Jin Koo Rhee
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Patent number: 8249146Abstract: A method for selecting content adaptive coding mode can apply a critical value to update by taking the advantages of a content adaptive MCTF update method and a covered pixel detection algorithm and, at the same time, improve the image quality by selecting a block having improper motion information and converting it into a coding in screen mode. The method also provides a method for selecting content adaptive coding mode that can improve the conventional MCTF algorithm by reusing JND, which is used in content adaptive MCTF, to find a block that has improper coding information and selecting a block that has improper motion information.Type: GrantFiled: October 20, 2009Date of Patent: August 21, 2012Assignee: Dongguk University Industry-Academic Cooperation FoundationInventor: Chul Ryu
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Patent number: 8248319Abstract: A broadband circularly-polarized spidron fractal antenna is disclosed. The broadband antenna of the present invention can realize a bandwidth exceeding 70% without using a multilayer substrate to implement the broadband properties, by forming a geometric structure of a slot, i.e., a spidron fractal, which has not been used in the conventional antennas, on the ground surface of the antenna. The present invention can also induce the radiation properties of a circularly-polarized wave from the properties of the spidron fractal shape, without employing an additional secondary circuit such as a phase distribution circuit for implementing the circularly-polarized wave. Due to such properties described above, the present invention can implement a small broadband circularly-polarized antenna that costs less to manufacture.Type: GrantFiled: October 14, 2009Date of Patent: August 21, 2012Assignee: Dongguk University Industry-Academic Cooperation FoundationInventor: Keum-Cheol Hwang
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Publication number: 20120205606Abstract: Disclosed are an oxide-based nonvolatile memory with superior resistive switching characteristics and a method for preparing the same. More particularly, the disclosure relates to a nonvolatile memory device having a metal/reduced graphene oxide (r-GO) thin film/metal structure and a method for preparing the same.Type: ApplicationFiled: October 25, 2011Publication date: August 16, 2012Applicant: Dongguk University Industry-Academic Cooperation FoundationInventors: Sang Wuk Lee, Tae Won Kang, Gennady Panin, Olesya Kapitanova
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Publication number: 20120184232Abstract: Disclosed is a method for selecting a source transmit antenna in a cooperative multiple-input and multiple-output (MIMO) communication system including a source node, a relay node and a destination node. The method includes determining a source transmit antenna selection metric such that a source-destination channel, a source-relay channel and a relay-destination channel are related to one another, and selecting a positive integer number of antennas such that the source transmit antenna selection metric is maximized.Type: ApplicationFiled: November 11, 2011Publication date: July 19, 2012Applicant: Dongguk University Industry-Academic Cooperation FoundationInventors: Dae Woon Lim, Dong-Joon Shin, Jong-Seon No, Xianglan Jin
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Publication number: 20120133754Abstract: A remote gaze tracking apparatus and method for controlling an Internet Protocol Television (IPTV) are provided. An entire image including a facial region of a user may be acquired using a visible ray, the facial region may be detected from the acquired entire image, and a face width, a distance between eyes, and a distance between an eye and a screen may be acquired from the detected facial region. Additionally, an enlarged eye image corresponding to a face of the user may be acquired using at least one of the acquired face width, the acquired distance between the eyes, and the acquired distance between the eye and the screen, and an eye gaze of the user may be tracked using the acquired eye image.Type: ApplicationFiled: June 16, 2011Publication date: May 31, 2012Applicants: Dongguk University Industry-Academic Cooperation Foundation, Electronics and Telecommunications Research InstituteInventors: Hee Kyung LEE, Han Kyu LEE, Ji Hun CHA, Jin Woong KIM, Kang Ryoung PARK, Hyeon Chang LEE, Won Oh LEE, Chul Woo CHO, Su Yeong GWON, Duc Thien LUONG
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Publication number: 20120113928Abstract: The present invention relates to a method for allocating bits in a multiple input multiple output communication system that can improve transmission by allocating bits having high priority to a particular antenna selected by considering channel state of transmitting antennas, and a recording medium written with a program for said method. The method of allocating bits includes: generating bits through channel coding and rearranging the bits in an interleaving fashion; determining whether symbol mapping based on priority is to be applied, based on channel information of a receiving side; rearranging the bits or selecting a particular antenna, according to said determination; and modulating the rearranged bits and transmitting the bits through the selected antenna.Type: ApplicationFiled: January 17, 2012Publication date: May 10, 2012Applicant: Dongguk University Industry-Academic Cooperation FoundationInventors: Seung Hoon HWANG, Cha Eul JEON
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Publication number: 20120106689Abstract: A clock and data recovery circuit is disclosed. The clock and data recovery circuit in accordance with an embodiment of the present invention uses a hybrid phase detector that is constituted by including a linear phase detector and a binary phase detector. Since the clock and data recovery circuit basically is constituted with the linear phase detector, a charge pump, a loop filter, a voltage controlled oscillator and a D flip flop to recover clock and data, a phase detector gain is irrelevant to the jitter of received data and recovered clock, and it is possible to make a fine adjustment of the size of up/down currents of the charge pump using the binary phase detector and a charge pump controller, thereby compensating a phase offset between the received data and the recovered clock.Type: ApplicationFiled: January 10, 2012Publication date: May 3, 2012Applicant: Dongguk University Industry-Academic Cooperation FoundationInventor: Sang Jin Byun
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Patent number: 8121096Abstract: A method and apparatus for circular buffer-based rate matching and burst multiplexing for data transmission. According to the method and apparatus, rate matching patterns are efficiently determined according to data code rates in a wireless communication system using CBRM, and burst multiplexing is performed in units of bits without using an external channel interleaver when several RLC data blocks are transmitted via radio blocks. Accordingly, data bits are distributed into and carried by a plurality of bursts, thereby improving transmission performance.Type: GrantFiled: August 20, 2008Date of Patent: February 21, 2012Assignees: Samsung Electronics Co., Ltd, Dongguk University Industry-Academic Cooperation FoundationInventors: Jongsoo Choi, Yan Xin, Seung-Hoon Hwang, Byoung-Jo Choi
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Patent number: 8017390Abstract: A method for the preparation of dermal papilla tissue comprising the step of culturing mesenchymal stem cells in a medium having a specific composition is provided. The method makes it possible to form in vitro a quantity of dermal papilla tissues having hair follicle inducting ability and, accordingly, it can be effectively used for the treatment of alopecia through cell transplantation.Type: GrantFiled: July 20, 2007Date of Patent: September 13, 2011Assignee: Dongguk University Industry-Academic Cooperation FoundationInventors: Jung-Keug Park, Hee-Hoon Yoon, Bo-Young Yoo, Young-Jin Kim, Youn-Ho Shin
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Publication number: 20110090951Abstract: Method for selecting content adaptive coding mode is disclosed. The method can apply a critical value to update by taking the advantages of a content adaptive MCTF update method and a covered pixel detection algorithm and, at the same time, improve the image quality by selecting a block having improper motion information and converting it into a coding in screen mode. The method also provides a method for selecting content adaptive coding mode that can improve the conventional MCTF algorithm by reusing JND, which is used in content adaptive MCTF, to find a block that has improper coding information and selecting a block that has improper motion information.Type: ApplicationFiled: October 20, 2009Publication date: April 21, 2011Applicant: Dongguk University Industry - Academic Cooperation FoundationInventor: Chul RYU
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Publication number: 20110059609Abstract: A method of fabricating a two-terminal semiconductor component using a trench technique is disclosed that includes forming a trench by etching an etching pattern formed on a substrate on which an active layer having impurities added is grown, forming a front metal layer on a front upper surface of the substrate by using an evaporation method or a sputtering method after removing the etching pattern, forming a metal plated layer on the front surface of the substrate on which the front metal layer is formed, polishing a lower surface of the substrate by using at least one of a mechanical polishing method and a chemical polishing method until the front metal layer is exposed, forming a rear metal layer on the polished substrate, and removing each component by using at least one of a dry etching method and a wet etching method.Type: ApplicationFiled: October 22, 2009Publication date: March 10, 2011Applicant: Dongguk University Industry-Academic Cooperation FoundationInventors: Jin-Koo Rhee, Seong-Dae Lee, Mi-Ra Kim, Dae-Hong Min
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Publication number: 20100261276Abstract: A method for the preparation of dermal papilla tissue comprising the step of culturing mesenchymal stem cells in a medium having a specific composition is provided. The method makes it possible to form in vitro a quantity of dermal papilla tissues having hair follicle inducting ability and, accordingly, it can be effectively used for the treatment of alopecia through cell transplantation.Type: ApplicationFiled: July 20, 2007Publication date: October 14, 2010Applicant: DONGGUK UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Jung-Keug Park, Hee-Hoon Yoon, Bo-Young Yoo, Young-Jin Kim, Youn-Ho Shin
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Publication number: 20100090918Abstract: A broadband circularly-polarized spidron fractal antenna is disclosed. The broadband antenna of the present invention can realize a bandwidth exceeding 70% without using a multilayer substrate to implement the broadband properties, by forming a geometric structure of a slot, i.e., a spidron fractal, which has not been used in the conventional antennas, on the ground surface of the antenna. The present invention can also induce the radiation properties of a circularly-polarized wave from the properties of the spidron fractal shape, without employing an additional secondary circuit such as a phase distribution circuit for implementing the circularly-polarized wave. Due to such properties described above, the present invention can implement a small broadband circularly-polarized antenna that costs less to manufacture.Type: ApplicationFiled: October 14, 2009Publication date: April 15, 2010Applicant: Dongguk University Industry - Academic Cooperation FoundationInventor: Keum-Cheol Hwang
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Patent number: 7396696Abstract: An GaN light emitting diode (LED) having a nanorod (or, nanowire) structure is disclosed. The GaN LED employs GaN nanorods in which a n-type GaN nanorod, an InGaN quantum well and a p-type GaN nanorod are subsequently formed in a longitudinal direction by inserting the InGaN quantum well into a p-n junction interface of the p-n junction GaN nanorod. In addition, a plurality of such GaN nanorods are arranged in an array so as to provide an LED having much greater brightness and higher light emission efficiency than a conventional laminated-film GaN LED.Type: GrantFiled: August 9, 2006Date of Patent: July 8, 2008Assignee: Dongguk University Industry Academic Cooperation FoundationInventors: Hwa-Mok Kim, Tae-Won Kang, Kwan-Soo Chung