Patents by Inventor Geun-Yong Kim

Geun-Yong Kim 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: 20190280768
    Abstract: In the present invention, by providing a device for determining a state of an optical network terminal line including: an optical signal transfer interface configured to transfer a downlink signal transmitted from an optical line terminal to an optical network terminal line and to transfer an uplink signal transmitted from an optical network terminal connected to the optical network terminal line to the optical line terminal; an optical signal transmitter configured to transmit an optical signal to the optical signal transfer interface; an optical signal receiver configured to receive the downlink signal through the optical signal transfer interface, to receive a reflected signal corresponding to the optical signal, and to detect intensity of the downlink signal and the reflected signal; a signal converter configured to convert the reflected signal from an analog form to a digital form; a signal processor configured to analyze the reflected signal of a digital form and to determine the state of the optical ne
    Type: Application
    Filed: March 12, 2019
    Publication date: September 12, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byung-Hee SON, Geun Yong KIM, Ryangsoo KIM, Jaein KIM, Hee Do KIM, Moon Kyun OH, Hark YOO, Gi-Ha YOON
  • Patent number: 10270526
    Abstract: A terminal status monitoring apparatus connected to a terminal at an optical subscriber side in an optical network is provided. A signal transferring unit transfers a downlink optical signal to the terminal and receives, as a reflected optical signal, the downlink optical signal which is reflected at the terminal. A signal receiving unit measures an intensity of the reflected optical signal. A signal processing unit determines a connection status of a terminal device at the terminal by comparing an intensity of the downlink optical signal with the intensity of the reflected optical signal. A signal output unit outputs the connection status.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: April 23, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byung-Hee Son, Geun Yong Kim, Jae In Kim, Hee Do Kim, Moon Kyun Oh, Hark Yoo, Dongsoo Lee
  • Patent number: 10223529
    Abstract: An indexing apparatus and method for search of security monitoring data are provided. The indexing apparatus includes a data collection unit and a data index generation unit. The data collection unit collects data, that is, a basis of search of monitoring information, from a database in which security monitoring data has been stored. The data index generation unit generates file structure-based data in which indices have assigned to multiple search elements of the data collected by the data collection unit.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: March 5, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Taek kyu Lee, Geun Yong Kim, Suk won Lee, Kyu Cheol Jung, SoonJwa Hong, In seog Seo
  • Patent number: 10205524
    Abstract: A method and an apparatus for setting a quiet window in a passive optical network system are provided. A first response time from a time after an optical line terminal (OLT) transmits a serial number request up to a time in which the OLT receives a first response signal to the serial number request is measured, and a second response time up to a time in which the OLT receives a final response signal to the serial number request is measured. In addition, distance information of an optical network unit (ONU) including the first response time and the second response time is acquired.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: February 12, 2019
    Assignee: ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Geun Yong Kim, Hark Yoo, Sung Chang Kim, Dongsoo Lee
  • Publication number: 20180131436
    Abstract: A terminal status monitoring apparatus connected to a terminal at an optical subscriber side in an optical network is provided. A signal transferring unit transfers a downlink optical signal to the terminal and receives, as a reflected optical signal, the downlink optical signal which is reflected at the terminal. A signal receiving unit measures an intensity of the reflected optical signal. A signal processing unit determines a connection status of a terminal device at the terminal by comparing an intensity of the downlink optical signal with the intensity of the reflected optical signal. A signal output unit outputs the connection status.
    Type: Application
    Filed: November 7, 2017
    Publication date: May 10, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byung-Hee SON, Geun Yong KIM, Jae In KIM, Hee Do KIM, Moon Kyun OH, Hark YOO, Dongsoo LEE
  • Patent number: 9883335
    Abstract: Disclosed herein are a handheld device and method for measuring the quality of an optical link, which are capable of simultaneously measuring the strength of an optical signal and the quality of an optical link at an optical network terminal in a Fiber-to-the-Home (FTTH) network. A presented handheld device for measuring a quality of an optical link includes an optical signal input port for receiving an optical signal, an optical power measurement unit for measuring a power of the optical signal, an output unit for outputting one or more of a measured power value of the optical signal and results of quality measurement of an optical link, based on interworking with an optical network terminal, and a control unit for storing the measured power value of the optical signal and performing a process for quality measurement of the optical link.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: January 30, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Chang Kim, Geun-Yong Kim, Jae-In Kim, Hark Yoo, Dong-Soo Lee
  • Publication number: 20180006726
    Abstract: Provided is an optical distribution network (ODN) including an optical cable and an optical node, and more particularly, an optical distribution network including an optical cable and an optical node, wherein the optical node is implemented to acquire and analyze information regarding the optical cable through an optical connector included in the optical cable, and an operating method thereof. The ODN includes an optical cable and an optical node connectable to the optical cable, wherein the optical cable has an optical connector capable of being joined to the optical node, and the optical connector has an electronic tag configured to store identification information of the optical cable and a first connection pin configured to electrically connect the electronic tag and the optical node.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 4, 2018
    Inventors: Jae In KIM, Geun Yong KIM, Hee Do KIM, Byung Hee SON, Moon Kyun OH, Hark YOO, Dong Soo LEE, Hyun Seo KANG, Gi Ha YOON
  • Patent number: 9860011
    Abstract: Disclosed is a method and an apparatus for selecting a wavelength in a hybrid Passive Optical Network (PON) system. The method of selecting a wavelength by a wavelength selecting apparatus in a hybrid passive optical network system includes: performing synchronization with any one of a plurality of downstream wavelengths; when the synchronization is succeeded, determining whether to select the synchronized downstream wavelength for a registration to an optical line terminal; and when it is determined to select the synchronized downstream wavelength, performing the registration to the optical line terminal through the synchronized downstream wavelength.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: January 2, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Geun Yong Kim, Hark Yoo, Sung Chang Kim, Dong Soo Lee
  • Patent number: 9825710
    Abstract: Disclosed are a method and system for determining and controlling power of an optical transmitter of an optical network unit (ONU) for a time and wavelength division multiplexing passive optical network (TWDM-PON). The system includes an RSSI collector configured to collect received signal strength indication (RSSI) information from upstream optical signals received from the ONUs connected to optical line terminal (OLT) ports, an ONU power level determiner configured to gather the pieces of RSSI information about the ONUs from the RSSI collector, and to determine power of optical transmitters of the ONUs based on the gathered information, and a power mode controller configured to receive power mode setting information of the optical transmitters of the ONUs from the ONU power level determiner, and to generate a physical layer operation and maintenance (PLOAM) message to control power modes of the ONUs based on the received power mode setting information.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: November 21, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hark Yoo, Dong Soo Lee, Geun Yong Kim, Sung Chang Kim, Hee Do Kim, Jae In Kim
  • Publication number: 20170279527
    Abstract: A method and an apparatus for setting a quiet window in a passive optical network system are provided. A first response time from a time after an optical line terminal (OLT) transmits a serial number request up to a time in which the OLT receives a first response signal to the serial number request is measured, and a second response time up to a time in which the OLT receives a final response signal to the serial number request is measured. In addition, distance information of an optical network unit (ONU) including the first response time and the second response time is acquired.
    Type: Application
    Filed: March 16, 2017
    Publication date: September 28, 2017
    Inventors: Geun Yong KIM, Hark YOO, Sung Chang KIM, Dongsoo LEE
  • Patent number: 9774404
    Abstract: Provided is an apparatus of recognizing optical connector connection including an IC tag connection unit configured to provide bus power and detect whether the optical connector is connected to an optical adapter, an IC tag configured to store an IC tag ID uniquely given to the optical connector, which is connected to a corresponding optical cable, and to receive the bus power to be driven for bus communication, and an IC tag ID obtaining unit configured to obtain the IC tag ID stored in the IC tag through the IC tag connection unit, when the optical connector is connected to the optical adapter.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 26, 2017
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Geun Yong Kim, Sung Chang Kim, Jae In Kim, Dongsoo Lee
  • Patent number: 9774599
    Abstract: An authentication method and apparatus for an electronic device. A first electronic device transmits a mutual authentication request for the first electronic device and a second electronic device communication-connected with the first electronic device to an authentication server. The first electronic device receives mutual authentication information for each of the first electronic device and the second electronic device from the authentication server, and stores the mutual authentication information in the first electronic device and the second electronic device. The first electronic device determines whether reliability of an authentication state between the first electronic device and the second electronic device is maintained.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: September 26, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Jun Seo, Geun-Yong Kim
  • Patent number: 9755736
    Abstract: Disclosed is a smart remote node optical network node including an optical layer monitoring unit configured to transmit a monitoring light signal to an optical network unit through an optical switch and receive a monitoring light signal reflected from the optical network unit, an infra recognition unit configured to recognize whether an optical connector is connected to an output port of a remote node and an identification number of the optical connector when the optical connector is connected thereto, and a control unit connected to the optical layer monitoring unit and the infra recognition unit and configured to control recognition and monitoring operations of the remote node according to a remote node application.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 5, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae In Kim, Sung Chang Kim, Geun Yong Kim, Dongsoo Lee
  • Publication number: 20170244488
    Abstract: Provided are an electronic device, a smart label, and an optical network management apparatus using the same. The optical network management apparatus includes one or more smart labels respectively equipped in ports and cables to work and a terminal device configured to transmit control signals, which control smart labels respectively equipped in a port and a cable to work among the one or more smart labels, to smart labels respectively equipped in the port and the cable to work.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 24, 2017
    Inventors: Jae In KIM, Sung Chang KIM, Geun Yong KIM, Hee Do KIM, Moon Kyun OH, Hark YOO, Dong Soo LEE
  • Patent number: 9698900
    Abstract: Disclosed herein are an optical network unit and a method for controlling the unit. In a passive optical network system, an optical transceiver of the optical network unit performs a wavelength change of an optical signal according to a wavelength setting command transferred from a media access control (MAC) unit and monitors a wavelength change state and reports the monitored wavelength change state to the MAC unit. When the wavelength malfunction occurs, the MAC unit blocks an uplink optical transmission of the optical transceiver.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: July 4, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hark Yoo, Yongseok Yoo, Geun Yong Kim, Dongsoo Lee
  • Publication number: 20170111119
    Abstract: Disclosed are a method and system for determining and controlling power of an optical transmitter of an optical network unit (ONU) for a time and wavelength division multiplexing passive optical network (TWDM-PON). The system includes an RSSI collector configured to collect received signal strength indication (RSSI) information from upstream optical signals received from the ONUs connected to optical line terminal (OLT) ports, an ONU power level determiner configured to gather the pieces of RSSI information about the ONUs from the RSSI collector, and to determine power of optical transmitters of the ONUs based on the gathered information, and a power mode controller configured to receive power mode setting information of the optical transmitters of the ONUs from the ONU power level determiner, and to generate a physical layer operation and maintenance (PLOAM) message to control power modes of the ONUs based on the received power mode setting information.
    Type: Application
    Filed: December 28, 2016
    Publication date: April 20, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hark YOO, Dong Soo LEE, Geun Yong KIM, Sung Chang KIM, Hee Do KIM, Jae In KIM
  • Patent number: 9614612
    Abstract: A fast protection switching method for a Passive Optical Network (PON). When performing protection switching from an operation link (an operation network) to a protection link (a protection network) in a PON, the fast protection switching method enables rapidly updating Equalization Delay (EqD) values, even if the EqD values are different for Optical Network Terminals (ONTs) of varying distances.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: April 4, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Geun Yong Kim, Sung Chang Kim, Hark Yoo, Hee Do Kim, Dong Soo Lee
  • Patent number: 9609403
    Abstract: Provided is a method of saving power in a passive optical network (PON) system including an optical line terminal (OLT) and a plurality of optical network units (ONUs), the OLT including an optical transceiver to communicate with at least one ONU through an optical line, and a controller to control the optical transceiver to transmit an upstream bandwidth map to the ONU at a predetermined transmission interval, wherein the transmission interval is determined based on a desired upstream data service delay time.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: March 28, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Geun Yong Kim, Dong Soo Lee, Sung Chang Kim, Hark Yoo, Young Suk Lee, Hee Do Kim
  • Publication number: 20170026111
    Abstract: Disclosed herein are an optical network unit and a method for controlling the unit. In a passive optical network system, an optical transceiver of the optical network unit performs a wavelength change of an optical signal according to a wavelength setting command transferred from a media access control (MAC) unit and monitors a wavelength change state and reports the monitored wavelength change state to the MAC unit. When the wavelength malfunction occurs, the MAC unit blocks an uplink optical transmission of the optical transceiver.
    Type: Application
    Filed: April 29, 2016
    Publication date: January 26, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Hark YOO, Yongseok YOO, Geun Yong KIM, Dongsoo LEE
  • Patent number: 9553692
    Abstract: Disclosed are a method and system for determining and controlling power of an optical transmitter of an optical network unit (ONU) for a time and wavelength division multiplexing passive optical network (TWDM-PON). The system includes an RSSI collector configured to collect received signal strength indication (RSSI) information from upstream optical signals received from the ONUs connected to optical line terminal (OLT) ports, an ONU power level determiner configured to gather the pieces of RSSI information about the ONUs from the RSSI collector, and to determine power of optical transmitters of the ONUs based on the gathered information, and a power mode controller configured to receive power mode setting information of the optical transmitters of the ONUs from the ONU power level determiner, and to generate a physical layer operation and maintenance (PLOAM) message to control power modes of the ONUs based on the received power mode setting information.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: January 24, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hark Yoo, Dong Soo Lee, Geun Yong Kim, Sung Chang Kim, Hee Do Kim, Jae In Kim