Patents by Inventor O Hyung Kwon
O Hyung Kwon 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: 11974382Abstract: Disclosed are a dielectric substance-electrode assembly in which an electrode is coated with a dielectric and a method for manufacturing the same. The dielectric substance-electrode assembly is formed by forming a lower dielectric electrode constituting a lower portion of an assembly body, sealing a capsule filled with a treated powder and a lower dielectric in which an electrode is formed, and forming an upper dielectric constituting an upper portion of the assembly body using the treated powder which is diffused on and bonded to surfaces of the lower dielectric and the electrode due to sintering heat treatment which is performed by applying an isostatic pressure in a state in which the sealed capsule is placed in a pressure vessel of a heat treatment equipment.Type: GrantFiled: July 29, 2021Date of Patent: April 30, 2024Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Taeg Woo Lee, O Hyung Kwon, Hyung Giun Kim
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Publication number: 20240001319Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Inventors: Seung Min YANG, Kyung Hoon KIM, Gun Hee KIM, Young Kyu JEONG, O Hyung KWON, Chan Bin MO, Yong Su JO, Hye Min PARK, Gwang Hwa JIN
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Patent number: 11794160Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.Type: GrantFiled: December 7, 2021Date of Patent: October 24, 2023Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Seung Min Yang, Kyung Hoon Kim, Gun Hee Kim, Young Kyu Jeong, O Hyung Kwon, Chan Bin Mo, Yong Su Jo, Hye Min Park, Gwang Hwa Jin
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Publication number: 20230144295Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.Type: ApplicationFiled: December 7, 2021Publication date: May 11, 2023Inventors: Seung Min YANG, Kyung Hoon KIM, Gun Hee KIM, Young Kyu JEONG, O Hyung KWON, Chan Bin MO, Yong Su JO, Hye Min PARK, Gwang Hwa JIN
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Publication number: 20220166001Abstract: Disclosed are a dielectric substance-electrode assembly in which an electrode is coated with a dielectric and a method for manufacturing the same. The dielectric substance-electrode assembly is formed by forming a lower dielectric electrode constituting a lower portion of an assembly body, sealing a capsule filled with a treated powder and a lower dielectric in which an electrode is formed, and forming an upper dielectric constituting an upper portion of the assembly body using the treated powder which is diffused on and bonded to surfaces of the lower dielectric and the electrode due to sintering heat treatment which is performed by applying an isostatic pressure in a state in which the sealed capsule is placed in a pressure vessel of a heat treatment equipment.Type: ApplicationFiled: July 29, 2021Publication date: May 26, 2022Inventors: Taeg Woo LEE, O Hyung KWON, Hyung Giun KIM
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Publication number: 20190388970Abstract: An exemplary embodiment provides a method of manufacturing a curved porous component having a base material layer and a porous region through one-step laminated-molding, whereby it is possible to reduce a manufacturing time when manufacturing a product and to provide a porous component in which the shape and size of a porous region can be controlled. An implant including the porous component has an increased bone contact ratio, so bone growth between bones can be improved and products fitting to the frames of patients can be easily designed.Type: ApplicationFiled: October 12, 2018Publication date: December 26, 2019Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Kang Min Kim, Gun Hee Kim, Byoung Soo Lee, Hyung Giun Kim, O Hyung Kwon, Kyung Hwan Jung, Won Rae Kim, Min Ji Ham, Kyung Hoon Kim, Chang Woo Lee
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Patent number: 9460351Abstract: An image processing apparatus using a smart glass is provided, the image processing apparatus including an extractor to extract a first target to be observed by a user from a first image received from the smart glass and generate a second image using the extracted first target, an information collector to collect information related to the first target, and an image generator to reconstruct a third image using at least one of the second image and the information related to the first target, based on user settings.Type: GrantFiled: September 24, 2013Date of Patent: October 4, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kwi Hoon Kim, Woong Shik You, Jae Hwui Bae, Sang Woo Ahn, O Hyung Kwon
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Patent number: 9167279Abstract: Disclosed are payload formatting and deformatting methods for burst data loss recovery. The payload formatting method according to an embodiment of the present invention includes: generating an XOR operation packet by performing an XOR operation on the basis of a base layer packet and any one of enhancement layer packets of a group of pictures (GoP), the GoP including the base layer packet and the enhancement layer packets; and adding the XOR operation packet to the GoP.Type: GrantFiled: August 14, 2012Date of Patent: October 20, 2015Assignee: ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seok Ho Won, Sun Hyoung Kwon, Ho Kyom Kim, Jong Soo Lim, O Hyung Kwon
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Patent number: 8949595Abstract: A mutual authentication method in a Downloadable Conditional Access System (DCAS) is provided. The mutual authentication method may receive authentication-related information about authentication between an authentication unit and a security module (SM) from a Trusted Authority (TA), generate an authentication session key using the authentication-related information, transmit the authentication session key by the authentication unit to the SM through a Cable Modem Termination System (CMTS), and control a Conditional Access System (CAS) software to be downloaded to the SM from the authentication unit, when the authentication is completed by the authentication session key.Type: GrantFiled: December 21, 2009Date of Patent: February 3, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Jung Kwon, Han Seung Koo, Soon Choul Kim, Heejeong Kim, Young Ho Jeong, O Hyung Kwon, Soo In Lee
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Publication number: 20150015666Abstract: In order to provide a three-dimensional (3D) video streaming service to a user terminal, user characteristic information including eyesight information of the left eye and the right eye of a user is received from the user terminal. Then, one of quality of a left image and that of a right image is improved in accordance with the eyesight information so that an image with improved quality is transmitted to the user terminal.Type: ApplicationFiled: November 13, 2013Publication date: January 15, 2015Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sun Hyoung KWON, Ho Kyom KIM, Seok Ho WON, Jong Soo LIM, O Hyung KWON
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Publication number: 20150006991Abstract: Disclosed are a graceful degradation-forward error correction method and an apparatus for performing same. A graceful degradation-forward error correction method determines an encoding unit data group constituted by a predetermined number of time intervals for a data stream input in a time-sequential manner, determines a reference data group to be used in generating a parity frame in each time interval of the encoding unit data group, generates a parity frame using the determined at least one reference data group, and assigns the generated parity frame to at least one time interval from among a plurality of time intervals including time intervals constituting the encoding unit data group based on a predetermined rule. Thus, a lost packet can be recovered even when the packet of a continuous long interval is lost, and consequentially, a seamless service may be provided.Type: ApplicationFiled: January 24, 2013Publication date: January 1, 2015Inventors: Seok Ho Won, Sun Hyoung Kwon, Ho Kyom Kim, Jong Soo Lim, O Hyung Kwon
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Patent number: 8826356Abstract: Disclosed are a cable modem and a data receiving method thereof. The cable modem includes a downlink channel retrieval processing unit to retrieve a downlink channel, receive an entire channel information message through the retrieved downlink channel, and receive a broadcasting supplementary data message when the entire information message is valid; a channel information processing unit to receive broadcasting supplementary data using the broadcasting supplementary data message; an uplink channel retrieval processing unit to retrieve an uplink channel using the entire channel information message; and a channel information managing unit to store and manage main data receiving channels capable of receiving the entire channel information message and the broadcasting supplementary data.Type: GrantFiled: July 29, 2008Date of Patent: September 2, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Yong Seong Cho, Seung Eun Hong, TaeKyoon Kim, O Hyung Kwon, Soo In Lee
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Publication number: 20140204785Abstract: A communication apparatus and method using a massive multiple input multiple output (MIMO) is disclosed, the method including measuring a transmission capacity between terminals disposed in a cell and a base station when a number of terminals disposed in the cell of the base station is greater than a number of terminals to be supported by the base station, and selecting at least one terminal for maximizing a network capacity from among terminals disposed in the cell based on the transmission capacity and the number of terminals to be supported by the base station.Type: ApplicationFiled: January 22, 2014Publication date: July 24, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kwi Hoon KIM, Ho Kyom KIM, Il Min KIM, Woong Shik YOU, O Hyung KWON
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Patent number: 8789088Abstract: A method for installing different security clients for channels in a terminal in a conditional access system includes: searching one or more channels searchable in the terminal; requesting, for respective searched channels, security clients necessary for receiving pay programs to be transmitted through the searched channels, to a broadcasting station which takes charge of the searched channels; and downloading and installing, for respective searched channels, the requested security clients from the broadcasting station.Type: GrantFiled: March 31, 2011Date of Patent: July 22, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Han-Seung Koo, O-Hyung Kwon, Dong-Joon Choi, Soo-In Lee
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Patent number: 8743897Abstract: The processing of a multicast service flow for a headend cable modem by classifying an inputted multicast packet by a session composing an internal header including multicast service flow information allocated to the classified session and then outputting an internal multicast packet including the internal header.Type: GrantFiled: May 31, 2011Date of Patent: June 3, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Ho-Sook Lee, O Hyung Kwon, Soo In Lee
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Publication number: 20140146178Abstract: An image processing apparatus using a smart glass is provided, the image processing apparatus including an extractor to extract a first target to be observed by a user from a first image received from the smart glass and generate a second image using the extracted first target, an information collector to collect information related to the first target, and an image generator to reconstruct a third image using at least one of the second image and the information related to the first target, based on user settings.Type: ApplicationFiled: September 24, 2013Publication date: May 29, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Kwi Hoon KIM, Woong Shik YOU, Jae Hwui BAE, Sang Woo AHN, O Hyung KWON
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Patent number: 8694773Abstract: A method of verifying a validity of a Secure Micro (SM) is provided. The method of verifying a validity of an SM, the method including: storing and maintaining a validity verification message used to verify the validity of the SM, the validity verification message being generated by a Trusted Authority (TA) based on unique information of the SM, and the SM and the TA sharing the unique information of the SM; and verifying the validity of the SM using the validity verification message and the unique information shared by the SM, when an SM client is executed.Type: GrantFiled: August 25, 2009Date of Patent: April 8, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Young Ho Jeong, O Hyung Kwon, Soo In Lee
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Method and apparatus of managing entitlement management message for supporting mobility of DCAS host
Patent number: 8689314Abstract: A method of supporting a mobility of a Downloadable Conditional Access System (DCAS) host is provided. The method includes: by the second authentication proxy server: performing mutual authentication with a secure micro of the host to generate a session key; requesting an integrated personalization system to download a secure micro client to the host, wherein the secure micro client is encoded using the session key; and transmitting, to a DPS, mapping information between the second authentication proxy server and the secure micro of the host, wherein, in response to receiving the mapping information, the DPS instructs a CAS server to transmit an entitlement management message to the network of the second authentication proxy server without transmitting the entitlement management message to the network of the first authentication proxy server.Type: GrantFiled: June 24, 2008Date of Patent: April 1, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Young Ho Jeong, O Hyung Kwon, Soo In Lee -
Patent number: 8621218Abstract: Disclosed is a mutual authentication method and apparatus in a CAS including a headend system and DCAS host. In particular, example embodiments relate to a mutual authentication method and apparatus in DCAS, wherein the mutual authentication is performed between an authentication server of the headend system and an SM of a DCAS host, and then CAS software is downloaded to the SM. According to the example embodiments, there is provided a mutual authentication protocol between the authentication server of the headend and the SM of the DCAS host in a cable network, and also provided a mutual authentication method and apparatus in the DCAS where a substantial authentication based on a hardware, such as a smart card or a cable card, is not needed.Type: GrantFiled: December 9, 2008Date of Patent: December 31, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Jung Kwon, Han Seung Koo, Soon Choul Kim, Young Ho Jeong, Heejeong Kim, O Hyung Kwon, Soo In Lee
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Patent number: 8583930Abstract: A downloadable conditional access system (DCAS), a secure micro (SM), and a transport processor (TP), and a security authentication method using the same are provided. The DCAS provides a safe security environment through a security protocol which enables mutual authentication and secure channel establishment between the SM and the TP.Type: GrantFiled: March 16, 2010Date of Patent: November 12, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Han-seung Koo, Eun-jung Kwon, Soon-choul Kim, Hee-jeong Kim, Young-ho Jeong, O-hyung Kwon, Soo-in Lee