Patents by Inventor Jung-Hyung Moon

Jung-Hyung Moon 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).

  • Patent number: 11021843
    Abstract: Disclosed is a crashworthy post, which allows a post body to slide rearward along with a vehicle at the early stage of a vehicle collision, and simultaneously a compressive deforming pipe is compressed to dissipate impact energy.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: June 1, 2021
    Assignees: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY, KONGJU NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Jung-Gon Sung, Duk-Geun Yun, Jae-Hong Park, Suk-Ki Lee, Jae-Pil Moon, Choong-Heon Yang, Man-Gi Ko, Kee-Dong Kim, Ki-Jang Han, Min-Hyung No
  • Publication number: 20210144747
    Abstract: A method and apparatus for transmitting or receiving a control channel in a communication system. A method for transmitting control information by a base station includes: configuring a control resource set including a plurality of REGs; interleaving, on a frequency axis, the plurality of REGs included in the control resource set; configuring an REG pool including at least two interleaved REGs; configuring at least one CCE in the REG pool; and transmitting control information through a search space configured by the at least one CCE. Therefore, the present invention improves performance of a communication system.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Inventors: Sung Hyun MOON, Jun Hwan LEE, Jung Hoon LEE, Ji Hyung KIM, Ju Ho PARK, Cheul Soon KIM, Min Hyun KIM
  • Publication number: 20160365931
    Abstract: In an RN configuration for providing a new service in a PON, it is possible to configure the RN remotely by instantaneous powering from a remote site only when necessary, while the RN being operated as a PON at ordinary times. More specifically, an RN configuration for providing a new service in a PON according to the present invention includes a power generation block capable of providing energy necessary for activating the RN by instantaneously supplied power from the remote site. Further, an RN according to the present invention further includes either one or both of a control agent block capable of controlling and managing optical paths of the RN by using power generated from the power generation block; and a reconfigurable switching block capable of configuring and switching the optical path of the RN through the power being provided from the power generation block and a control by the control agent block.
    Type: Application
    Filed: December 19, 2013
    Publication date: December 15, 2016
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang-Hee LEE, Jong-Hoon LEE, Ki-Man CHOI, Sil-Gu MUN, Jung-Hyung MOON, Hoon-Keun LEE
  • Patent number: 8442400
    Abstract: The present invention discloses a wavelength-division multiplexing passive optical network (WDM-PON) capable of high-bandwidth transmission for optical signals by using modulation format having high spectral efficiency. The WDM-PON according to the present invention provides a larger capacity and higher bandwidth transmission economically (at lower costs) by using a modulation format where spectral efficiency (a transmission bit number per a unit band width) is high, while using a low noise part of a light source.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: May 14, 2013
    Inventors: Chang-Hee Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon
  • Patent number: 8290370
    Abstract: Disclosed is a wavelength division multiplexing passive optical network for simultaneously providing a broadcasting service and a data service by employing a broadband light source, which uses mutually injected Fabry-Perot laser diodes, as well as a central office used for the same.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: October 16, 2012
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Chang-Hee Lee, Jung-Hyung Moon, Ki-Man Choi
  • Publication number: 20120213519
    Abstract: The present invention discloses a transmission device of a low-noise optical signal having a low-noise multi-wavelength light source, a transmission device of broadcast signals using a low-noise multi-wavelength light source, and an optical access network having the same. The present invention uses a low-noise multi-wavelength light source (LMLS) which has sufficiently low noises at respective wavelengths, while being lasing at a multi-wavelength. Noises at respective wavelengths are not increased, even though an output light of such an LMLS passes through a wavelength division multiplexer/demultiplexer (a tunable optical filter or an arrayed waveguide grating (AWG), etc.). When using an LMLS, it is possible to embody an optical access network capable of transmitting optical signals at a high-speed and simultaneously transmitting a multicast signal. Further, when embodying an optical amplifier by using a gain medium for an LMLS, it is possible to obtain gain at a broad band without cross-coupling.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 23, 2012
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang-Hee Lee, Joon-Young Kim, Jong-Hoon Lee, Sil-Gu Mun, Jung-Hyung Moon, Hoon-Keun Lee, Sang-Min Oh, Sang-Rok Mun
  • Publication number: 20120051749
    Abstract: The present invention discloses a wavelength-division multiplexing passive optical network (WDM-PON) capable of high-bandwidth transmission for optical signals by using modulation format having high spectral efficiency. The WDM-PON according to the present invention provides a larger capacity and higher bandwidth transmission economically (at lower costs) by using a modulation format where spectral efficiency (a transmission bit number per a unit band width) is high, while using a low noise part of a light source.
    Type: Application
    Filed: November 3, 2011
    Publication date: March 1, 2012
    Inventors: Chang-Hee Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon
  • Patent number: 8078061
    Abstract: The present invention discloses a wavelength-division multiplexing passive optical network (WDM-PON) capable of high-bandwidth transmission for optical signals by using modulation format having high spectral efficiency. The WDM-PON according to the present invention provides a larger capacity and higher bandwidth transmission economically (at lower costs) by using a modulation format where spectral efficiency (a transmission bit number per a unit band width) is high, while using a low noise part of a light source.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: December 13, 2011
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Chang-Hee Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon
  • Publication number: 20110255860
    Abstract: The present invention discloses a fault localization method and a fault localization apparatus in a Passive Optical Network (PON) and a passive optical network having the same. A fault localization method in PON according to the present invention comprises a) configuring an optical path of a remote node (RN) selectively by electric power being fed temporarily only when necessary, while the PON is regularly being operated as a passive network; and b) detecting a fault occurring on the selectively configured optical path by inserting a monitoring signal of an OTDR unit, which is positioned in a central office (CO), through the selectively configured optical path.
    Type: Application
    Filed: October 9, 2009
    Publication date: October 20, 2011
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang-Hee Lee, Jong-Hoon Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon, Jung-eun Moon, Hoon-Keun Lee, Joon-Young Kim, Sang-Min Oh
  • Publication number: 20100290782
    Abstract: The present invention discloses a remote node (RN) configuration for providing an enhanced service in a passive optical network and a passive optical network (PON) having the same. In an RN configuration for providing a new service in a PON according to the present invention, it is possible to configure the RN remotely by instantaneous powering from a remote site only when necessary, while the RN being operated as a PON at ordinary times. More specifically, an RN configuration for providing a new service in a PON according to the present invention includes a power generation block capable of providing energy necessary for activating the RN by instantaneously supplied power from the remote site.
    Type: Application
    Filed: October 10, 2007
    Publication date: November 18, 2010
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang-Hee Lee, Jong-Hoon Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon, Hoon-Keun Lee
  • Patent number: 7773838
    Abstract: The present invention discloses a network architecture for upgrading a legacy time division multiplexing-passive optical network (TDM-PON) to a wavelength division multiplexing-passive optical network (WDM-PON) based next-generation passive optical network (next-generation PON), wherein the legacy TDM-PON comprises: a central office (CO) having a first optical line termination (OLT); a remote node (RN) having a splitter; a single mode fiber (SMF) connecting the first OLT and the splitter; and a first group of one or more optical network terminations (ONTs) being connected to the splitter by a first group of one or more distribution fibers, and wherein the network architecture further comprises: in case that the next-generation PON is a WDM-PON, a first apparatus for combining and splitting wavelength bands being positioned between the SMF and the first OLT, in order to add a second OLT to be used for the WDM-PON within the CO or within another CO which is located in a position different from the CO, while sha
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: August 10, 2010
    Assignee: LG-Nortel Co., Ltd.
    Inventors: Chang-Hee Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon, Hoon-Keun Lee
  • Publication number: 20100054740
    Abstract: The present invention discloses a network architecture for upgrading a legacy time division multiplexing-passive optical network (TDM-PON) to a wavelength division multiplexing-passive optical network (WDM-PON) based next-generation passive optical network (next-generation PON), wherein the legacy TDM-PON comprises: a central office (CO) having a first optical line termination (OLT); a remote node (RN) having a splitter; a single mode fiber (SMF) connecting the first OLT and the splitter; and a first group of one or more optical network terminations (ONTs) being connected to the splitter by a first group of one or more distribution fibers, and wherein the network architecture further comprises: in case that the next-generation PON is a WDM-PON, a first apparatus for combining and splitting wavelength bands being positioned between the SMF and the first OLT, in order to add a second OLT to be used for the WDM-PON within the CO or within another CO which is located in a position different from the CO, while sha
    Type: Application
    Filed: November 14, 2006
    Publication date: March 4, 2010
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang-Hee Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon, Hoon-Keun Lee
  • Publication number: 20090185807
    Abstract: Disclosed is a wavelength division multiplexing passive optical network for simultaneously providing a broadcasting service and a data service by employing a broadband light source, which uses mutually injected Fabry-Perot laser diodes, as well as a central office used for the same.
    Type: Application
    Filed: September 19, 2006
    Publication date: July 23, 2009
    Inventors: Chang-Hee Lee, Jung-Hyung Moon, Ki-Man Choi
  • Publication number: 20080232807
    Abstract: The present invention discloses a wavelength-division multiplexing passive optical network (WDM-PON) capable of high-bandwidth transmission for optical signals by using modulation format having high spectral efficiency. The WDM-PON according to the present invention provides a larger capacity and higher bandwidth transmission economically (at lower costs) by using a modulation format where spectral efficiency (a transmission bit number per a unit band width) is high, while using a low noise part of a light source.
    Type: Application
    Filed: November 14, 2006
    Publication date: September 25, 2008
    Inventors: Chang-Hee Lee, Ki-Man Choi, Sil-Gu Mun, Jung-Hyung Moon