Patents by Inventor Eun Kyoung Jeon
Eun Kyoung Jeon 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: 20220094138Abstract: A structure and a manufacturing method of an optical transmission module, in which output light of each of a first optical transmission unit and a second optical transmission unit is combined into one and transmitted through an optical fiber. In order to manufacture the optical transmission module, the first optical transmission unit and the second optical transmission unit are separately manufactured using a wafer-level packaging process and then are stacked. As a result, emission of generated heat is divided into a first heat sink installed in the first optical transmission unit and a second heat sink installed in the second optical transmission unit so that better heat dissipation efficiency is achieved than a conventional optical transmission module. In addition, a mounting area may also be reduced to ½ of the conventional module.Type: ApplicationFiled: September 20, 2021Publication date: March 24, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Eun Kyu KANG, Jong Jin LEE, Dae Seon KIM, Eun Kyoung JEON, Sang Jin KWON, Won Bae KWON, Kwon Seob LIM, Soo Yong JUNG
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Patent number: 10795087Abstract: An ultra-small multi-channel optical module according to one embodiment of the present invention includes a base board, a glass substrate, a heat sink, optical elements, parallel light lenses, a first rectangular reflector, a glass cover, a second rectangular reflector, horizontal reflectors, and a light collecting lens.Type: GrantFiled: November 18, 2019Date of Patent: October 6, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dae Seon Kim, Jong Jin Lee, Eun Kyu Kang, Sang Jin Kwon, Jeong Eun Kim, Kwon Seob Lim, Eun Kyoung Jeon, Soo Yong Jung
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Publication number: 20200158958Abstract: An ultra-small multi-channel optical module according to one embodiment of the present invention includes a base board, a glass substrate, a heat sink, optical elements, parallel light lenses, a first rectangular reflector, a glass cover, a second rectangular reflector, horizontal reflectors, and a light collecting lens.Type: ApplicationFiled: November 18, 2019Publication date: May 21, 2020Inventors: Dae Seon KIM, Jong Jin LEE, Eun Kyu KANG, Sang Jin KWON, Jeong Eun KIM, Kwon Seob LIM, Eun Kyoung JEON, Soo Yong JUNG
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Patent number: 10209443Abstract: Disclosed is a multi-wavelength transmission apparatus including a wavelength divider to divide an optical signal by wavelength and output wavelength-divided optical signals to different positions, the optical signal being received from an optical circulator, a first cylindrical lens to diverge the wavelength-divided optical signals along an X axis and a Y axis and allow the wavelength-divided optical signals to be promoted in a Z-direction, a second cylindrical lens to diverge optical signals output from the first cylindrical lens along the X axis and the Y axis and allow the output optical signals to be promoted in the Z-direction, and a reflector to reflect optical signals output from the second cylindrical lens toward the second cylindrical lens, the first cylindrical lens being identical in shape to the second cylindrical lens and rotated by 90° in an Y-axial direction based on the second cylindrical lens.Type: GrantFiled: November 6, 2017Date of Patent: February 19, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyun Seo Kang, Eun Kyoung Jeon, Jaisang Koh, Keo-Sik Kim, Sung Chang Kim, Jeong Eun Kim, Ji Hyoung Ryu, Hyoungjun Park, Dong Hoon Son, Chan Il Yeo, Dongsoo Lee, Seihyoung Lee, Young Soon Heo
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Publication number: 20180302636Abstract: A method of mixing video bitstreams and an apparatus performing the method are disclosed. The method includes generating a mixed scalable video coding (SVC) bitstream by mixing a plurality of SVC bitstreams for each layer based on a screen configuration of a user device, extracting a single SVC bitstream corresponding to a single layer from the mixed SVC bitstream based on a reception environment of the user device, and transmitting the single SVC bitstream to the user device.Type: ApplicationFiled: January 29, 2018Publication date: October 18, 2018Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hong Yeon YU, Dae Seon KIM, Kwon-Seob LIM, Eun Kyoung JEON, Jong Jin LEE
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Patent number: 10057451Abstract: Disclosed herein are an astral lamp device having detachable and angle-controllable LED module blocks and a method of setting the same. The astral lamp device having detachable and angle-controllable LED module blocks, includes a plurality of LED module blocks having one end attached to and disposed on a central frame; and an angle control part configured to control an angle of the LED module block attached to the central frame.Type: GrantFiled: September 29, 2015Date of Patent: August 21, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jeong Eun Kim, Hyun Seo Kang, Hyoung Jun Park, Dae Won Choi, Jai Sang Koh, Keo Sik Kim, Young Sun Kim, Ji Hyoung Ryu, Kwon Seob Lim, Eun Kyoung Jeon, Young Soon Heo
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Patent number: 10029334Abstract: An apparatus for monitoring a laser welding bead irradiates a laser to a surface of a welding bead when welding with a laser welding machine, collects a signal reflected from the surface of the welding bead as an image signal, and then extracts at least one feature variable of a bead shape using the collected image signal. Then, the apparatus for monitoring the laser welding bead determines welding defects using the at least one feature variable, and controls an operation of the laser welding machine according to whether or not the welding defects are generated.Type: GrantFiled: June 27, 2014Date of Patent: July 24, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Keo-Sik Kim, Hyun Seo Kang, Young Soon Heo, Hyoungjun Park, Kwon-Seob Lim, Jeong Eun Kim, Eun Kyoung Jeon
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Publication number: 20180128978Abstract: Disclosed is a multi-wavelength transmission apparatus including a wavelength divider to divide an optical signal by wavelength and output wavelength-divided optical signals to different positions, the optical signal being received from an optical circulator, a first cylindrical lens to diverge the wavelength-divided optical signals along an X axis and a Y axis and allow the wavelength-divided optical signals to be promoted in a Z-direction, a second cylindrical lens to diverge optical signals output from the first cylindrical lens along the X axis and the Y axis and allow the output optical signals to be promoted in the Z-direction, and a reflector to reflect optical signals output from the second cylindrical lens toward the second cylindrical lens, the first cylindrical lens being identical in shape to the second cylindrical lens and rotated by 90° in an Y-axial direction based on the second cylindrical lens.Type: ApplicationFiled: November 6, 2017Publication date: May 10, 2018Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyun Seo KANG, Eun Kyoung JEON, Jaisang KOH, Keo-Sik KIM, Sung Chang KIM, Jeong Eun KIM, Ji Hyoung RYU, Hyoungjun PARK, Dong Hoon SON, Chan Il YEO, Dongsoo LEE, Seihyoung LEE, Young Soon HEO
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Patent number: 9846286Abstract: Provided herein is an optical module including: an optical receptacle including a first lens and a second lens; a lens module including a lens unit facing the second lens of the optical receptacle; and an optical element configured to receive a beam emitted from the lens module or form a beam to be emitted to the lens module. A horizontal length and a vertical length of a cross-section of the first lens may differ from each other, and a horizontal length and a vertical length of a cross-section of the second lens may differ from each other.Type: GrantFiled: November 25, 2015Date of Patent: December 19, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kwon Seob Lim, Hyoung Jun Park, Hyun Seo Kang, Jai Sang Koh, Keo Sik Kim, Young Sun Kim, Jeong Eun Kim, Ji Hyoung Ryu, Eun Kyoung Jeon, Young Soon Heo
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Patent number: 9768866Abstract: An optical wavelength and optical power measurement device is provided. The optical wavelength and optical power measurement device includes: an input unit in which an optical connector that emits communication light of an infrared ray wavelength region is connected; a filter unit that separates the communication light of an infrared ray wavelength region and light of a visible ray wavelength region; a sensing unit that communicates with a path of the communication light of an infrared ray wavelength region of the filter unit and in which a signal of the communication light of an infrared ray wavelength region is input; and an inspection unit that communicates with a path of the light of the visible ray wavelength region of the filter unit and that inspects a surface of the optical connector.Type: GrantFiled: July 10, 2015Date of Patent: September 19, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: hyoungjun Park, Kwon-Seob Lim, Hyun Seo Kang, Jaisang Koh, Keo-Sik Kim, Young Sun Kim, Jeong Eun Kim, Ji Hyoung Ryu, Eun Kyoung Jeon
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Patent number: 9759876Abstract: A multi-channel optical module includes a stem configured to allow an optical active element transmitting and receiving an optical signal to be installed thereon, an optical module frame connected to the stem and configured to have an optical element forming an optical path corresponding to the optical active element, and an external housing configured to house the optical module frame therein and coupled to the stem, wherein the optical element includes a lens and a filter unit disposed in the optical path and an optical waveguide element to which an optical fiber is connected.Type: GrantFiled: April 5, 2016Date of Patent: September 12, 2017Assignee: Electronics and Telecommunications Research InstituteInventors: Jeong Eun Kim, Hyun Seo Kang, Hyoungjun Park, Keo-Sik Kim, Ji Hyoung Ryu, Eun Kyoung Jeon, Young Soon Heo
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Publication number: 20170146755Abstract: A multi-channel optical module includes a stem configured to allow an optical active element transmitting and receiving an optical signal to be installed thereon, an optical module frame connected to the stem and configured to have an optical element forming an optical path corresponding to the optical active element, and an external housing configured to house the optical module frame therein and coupled to the stem, wherein the optical element includes a lens and a filter unit disposed in the optical path and an optical waveguide element to which an optical fiber is connected.Type: ApplicationFiled: April 5, 2016Publication date: May 25, 2017Inventors: Jeong Eun KIM, Hyun Seo KANG, Hyoungjun PARK, Keo-Sik KIM, Ji Hyoung RYU, Eun Kyoung JEON, Young Soon HEO
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Patent number: 9541714Abstract: Disclosed are a bidirectional optical transceiver module and a method of aligning the same. The bidirectional optical transceiver module includes: a package having on one side a cavity; a platform mounted on the package; a transmitter which generates output light; a holder which includes the horizontal portion having the through-hole and disposed on the package to cover the cavity, and the vertical portion which has the inclined surface on one side and the connection hole connected to the through-hole; a receiver which generates an electric signal that corresponds to input light incident into the cavity; and a WDM filter that delivers the output light and the input light.Type: GrantFiled: June 18, 2015Date of Patent: January 10, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kwon Seob Lim, Hyun Seo Kang, Keo Sik Kim, Young Sun Kim, Jae Hoon Kim, Hyoung Jun Park, Eun Kyoung Jeon, Young Soon Heo
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Patent number: 9534889Abstract: Provided is an apparatus that measures a thickness of a coating by selecting a wavelength of a laser based on a color of the coating using a contactless method using a photoacoustic effect and an interferometer, the apparatus including a pulsed laser source to irradiate a pulsed laser beam toward the coating, a continuous wave (CW) laser source to irradiate a CW laser beam toward the coating, a detector to detect an optical interference signal corresponding to the CW laser beam, and a signal processor to process the optical interference signal to calculate a thickness of the coating.Type: GrantFiled: October 3, 2014Date of Patent: January 3, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jeong Eun Kim, Hyun Seo Kang, Hyoung Jun Park, Young Soon Heo, Keo Sik Kim, Eun Kyoung Jeon, Kwon Seob Lim, Young Sun Kim
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Publication number: 20160154195Abstract: Provided herein is an optical module including: an optical receptacle including a first lens and a second lens; a lens module including a lens unit facing the second lens of the optical receptacle; and an optical element configured to receive a beam emitted from the lens module or form a beam to be emitted to the lens module. A horizontal length and a vertical length of a cross-section of the first lens may differ from each other, and a horizontal length and a vertical length of a cross-section of the second lens may differ from each other.Type: ApplicationFiled: November 25, 2015Publication date: June 2, 2016Inventors: Kwon Seob LIM, Hyoung Jun PARK, Hyun Seo KANG, Jai Sang KOH, Keo Sik KIM, Young Sun KIM, Jeong Eun KIM, Ji Hyoung RYU, Eun Kyoung JEON, Young Soon HEO
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Publication number: 20160146663Abstract: An optical wavelength and optical power measurement device is provided. The optical wavelength and optical power measurement device includes: an input unit in which an optical connector that emits communication light of an infrared ray wavelength region is connected; a filter unit that separates the communication light of an infrared ray wavelength region and light of a visible ray wavelength region; a sensing unit that communicates with a path of the communication light of an infrared ray wavelength region of the filter unit and in which a signal of the communication light of an infrared ray wavelength region is input; and an inspection unit that communicates with a path of the light of the visible ray wavelength region of the filter unit and that inspects a surface of the optical connector.Type: ApplicationFiled: July 10, 2015Publication date: May 26, 2016Inventors: Hyoungjun Park, Kwon-Seob Lim, Hyun Seo Kang, Jaisang Koh, Keo-Sik Kim, Young Sun Kim, Jeong Eun Kim, Ji Hyoung Ryu, Eun Kyoung Jeon
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Publication number: 20160120144Abstract: Provided is a livestock house management system for managing a rearing environment of livestock. The livestock house management system includes an environment monitoring sensor unit installed in each of divided zones within a livestock house and configured to measure an environment variable indicating a state of a rearing environment of each of the zones, analyze the measured environment variable, and independently generate a command corresponding to an abnormal situation of each of the zones when the abnormal situation of each of the zones is checked, and a livestock house facility control unit installed in each of the zones and configured to receive the command from the environment monitoring sensor unit installed in a corresponding zone according to a wired or wireless communication scheme, and drive a livestock house facility according to the received command to independently control a rearing environment of each of the zones.Type: ApplicationFiled: August 13, 2015Publication date: May 5, 2016Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Keo Sik KIM, Hyun Seo KANG, Seung Hun OH, Jeong Eun KIM, Ji Hyoung RYU, Hyoung Jun PARK, Kwon Seob LIM, Eun Kyoung JEON, Young Soon HEO
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Publication number: 20160097518Abstract: Disclosed herein are an astral lamp device having detachable and angle-controllable LED module blocks and a method of setting the same. The astral lamp device having detachable and angle-controllable LED module blocks, includes a plurality of LED module blocks having one end attached to and disposed on a central frame; and an angle control part configured to control an angle of the LED module block attached to the central frame.Type: ApplicationFiled: September 29, 2015Publication date: April 7, 2016Inventors: Jeong Eun KIM, Hyun Seo KANG, Hyoung Jun PARK, Dae Won CHOI, Jai Sang KOH, Keo Sik KIM, Young Sun KIM, Ji Hyoung RYU, Kwon Seob LIM, Eun Kyoung JEON, Young Soon HEO
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Publication number: 20150372759Abstract: Disclosed are a bidirectional optical transceiver module and a method of aligning the same. The bidirectional optical transceiver module includes: a package having on one side a cavity; a platform mounted on the package; a transmitter which generates output light; a holder which includes the horizontal portion having the through-hole and disposed on the package to cover the cavity, and the vertical portion which has the inclined surface on one side and the connection hole connected to the through-hole; a receiver which generates an electric signal that corresponds to input light incident into the cavity; and a WDM filter that delivers the output light and the input light.Type: ApplicationFiled: June 18, 2015Publication date: December 24, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Kwon Seob LIM, Hyun Seo KANG, Keo Sik KIM, Young Sun KIM, Jae Hoon KIM, Hyoung Jun PARK, Eun Kyoung JEON, Young Soon HEO
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Patent number: 9129882Abstract: Provided is a method of fabricating a graphene nano device. The method includes forming a first metal mask pattern on a substrate on which a graphene layer is formed, and forming a graphene pattern by performing an etching process on the graphene layer using the first metal mask pattern as an etching mask. The forming of the first metal mask pattern includes forming a first adhesive layer on the graphene layer, disposing the first metal mask pattern prepared in advance on the first adhesive layer, and heating the first adhesive layer to attach the first metal mask pattern on the substrate.Type: GrantFiled: September 29, 2014Date of Patent: September 8, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Kyoung Jeon, Hyun Seo Kang, Kwon-Seob Lim, Hyoung Jun Park, Keo-Sik Kim, Jeong Eun Kim, Young Sun Kim, Young Soon Heo