Patents by Inventor Kwang Ok An

Kwang Ok An 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: 20140380256
    Abstract: A double patterning layout design method comprises defining critical paths comprising a first path and a second path on a schematic circuit, and defining a double patterning layout divided into a first mask layout having a first color and a second mask layout having a second color, the double patterning layout corresponding to the schematic circuit. The defining of the double patterning layout comprises anchoring the critical paths on the schematic circuit.
    Type: Application
    Filed: April 22, 2014
    Publication date: December 25, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: TAE-JOONG SONG, JAE-HO PARK, KWANG-OK JEONG
  • Patent number: 8840165
    Abstract: Disclosed is a glove box for a vehicle including: an opening formed in an instrument panel; a box-shaped body which is ejectable and retractable through the opening and which is provided with a guide rail and a rack gear, the guide rail including a linear portion linearly extending in a direction in which the box-shaped body moves and a curved portion extending in a curve from an end of the linear portion, the rack gear being formed along one side of the guide rail; and an actuator provided with a pinion gear which meshes with the rack gear, and a drive unit which transfers driving force to the pinion gear.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: September 23, 2014
    Assignee: Hyundai Motor Company
    Inventors: Sung Hae Park, Yong Chul Kim, Kwang Ok Han
  • Publication number: 20140186043
    Abstract: Provided are a passive optical network reach extender based on a wavelength tunable optical module and a method thereof. According to an embodiment of the invention, a passive optical network reach extender includes a first optical splitter configured to receive an optical signal from an optical line terminal and split the signal into optical signals having a multiplexed wavelength, a wavelength tunable remote relay configured to receive the optical signals split from the first optical splitter, and select and control an available wavelength for each port, a wavelength multiplexer configured to multiplex a wavelength of the optical signal output from the wavelength tunable remote relay, and a second optical splitter configured to split the optical signal multiplexed by the wavelength multiplexer into a plurality of optical network units.
    Type: Application
    Filed: August 23, 2013
    Publication date: July 3, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang-Ok KIM, Sang-Soo LEE, Jong-Hyun Lee
  • Publication number: 20140175824
    Abstract: Disclosed is a glove box for a vehicle including: an opening formed in an instrument panel; a box-shaped body which is ejectable and retractable through the opening and which is provided with a guide rail and a rack gear, the guide rail including a linear portion linearly extending in a direction in which the box-shaped body moves and a curved portion extending in a curve from an end of the linear portion, the rack gear being formed along one side of the guide rail; and an actuator provided with a pinion gear which meshes with the rack gear, and a drive unit which transfers driving force to the pinion gear.
    Type: Application
    Filed: May 15, 2013
    Publication date: June 26, 2014
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Sung Hae Park, Yong Chul Kim, Kwang Ok Han
  • Patent number: 8606100
    Abstract: A wavelength division multiplexing (WDM)-time division multiplexing (TDM) passive optical network (PON) remote terminal (RT) is provided. The wavelength division multiplexing (WDM)-time division multiplexing (TDM) passive optical network (PON) remote terminal (RT), includes: a WDM-TDM converter configured to convert a WDM downstream optical signal that is received from a central office terminal (COT) into a TDM downstream optical signal or to convert a TDM upstream optical signal that is received from an optical network terminal (ONT) into a WDM upstream optical signal; an error detector configured to detect an error; and a controller configured to, in response to an error being detected, transmit the WDM upstream optical signal to the COT via a first standby link or transmit the TDM downstream optical signal to the ONT via a second standby link.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: December 10, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang-Ok Kim, Eun-Gu Lee, Eui-Suk Jung, Sang-Soo Lee, Tae-Whan Yoo
  • Patent number: 8548329
    Abstract: A relaying method of an optical signal of a hybrid relaying apparatus in a gigabit passive optical element includes: selecting and receiving any one of a first serial electrical signal corresponding to a downlink wavelength division multiplexing-passive optical line terminal (WDM-PON OLT) optical signal and a second serial electrical signal corresponding to a downlink gigabit passive optical network optical line terminal (GPON OLT) optical signal; modulating the downlink serial electrical signal to a downlink GPON transmission convergence (GTC) frame; extracting control information for uplink transmission from the downlink GTC frame; converting the downlink GTC frame into the downlink serial electrical signal; and converting the converted serial electrical signal into an optical signal and transmitting the converted optical signal in a GPON OLT optical transceiver.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: October 1, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang Ok Kim, Kyeong Hwan Doo, Sang Soo Lee
  • Patent number: 8526818
    Abstract: A gigabit passive optical network (GPON) system for fiber to the home (FTTH) service must provide a down-stream data rate of an optical band to provide IPTV service with hundreds of channels to subscribers, and must be able to provide an upstream data rate of an optical band using a currently available BM-IC chip. A currently available BM-IC chip for a GPON has 1.244 Gbps and 2.488 Gbps modes. Accordingly, an optical network terminal (ONT) for a GPON that is capable of providing a downstream transmission band of 10-Gbps and an upstream transmission band of 1.244 Gbps or 2.488 Gbps, and a method for processing an upstream frame in the terminal, are provided. The GPON ONT can provide 20 Mbps, high-definition IPTV service with 500 channels and can provide both upstream data rates of 1.244 Gbps and 2.488 Gbps according to a user's selection without using an additional device.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: September 3, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang-ok Kim, Yong-tae Kim, Dong-soo Lee
  • Publication number: 20130195623
    Abstract: The present invention relates to a hydraulic turbine for generating hydraulic power 100 comprising a rotating shaft 110 which is formed in a vertical direction; and a plurality of rotating wings 120 which is installed in a radial direction centering on the rotating shaft 110 to thereby efficiently convert hydraulic power from river into electric energy without building a dam.
    Type: Application
    Filed: May 20, 2011
    Publication date: August 1, 2013
    Inventors: Kwang Ok Chung, Hae Kwon Jung, Jun Hong Jung
  • Publication number: 20130163629
    Abstract: Provided are a user-selectable laser and an optical transmitter including the same. The user-selectable laser is an external cavity laser including a semiconductor laser diode for outputting an optical signal, and a wavelength selection filter. The user-selectable laser may allow a user to select a wavelength selection filter which is optically coupled with the semiconductor laser diode and selectively causes oscillation at the wavelength of an optical signal output from the semiconductor laser diode.
    Type: Application
    Filed: September 14, 2012
    Publication date: June 27, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jie-Hyun LEE, Seung-Hyun CHO, Seung-Il MYONG, Kwang-Ok KIM, Eui-Suk JUNG, Sang-Soo LEE
  • Publication number: 20130116213
    Abstract: The present invention relates to a novel fused pyrimidine derivative having an inhibitory activity for tyrosine kinases, and a pharmaceutical composition for preventing or treating cancers, tumors, inflammatory diseases, autoimmune diseases, or immunologically mediated diseases comprising same as an active ingredient.
    Type: Application
    Filed: June 20, 2011
    Publication date: May 9, 2013
    Applicant: HANMI SCIENCE CO., LTD.
    Inventors: Mi Young Cha, Seok Jong Kang, Mi Ra Kim, Ju Yeon Lee, Ji Young Jeon, Myoung Gi Jo, Eun Joo Kwak, Kwang Ok Lee, Tae Hee Ha, Kwee Hyun Suh, Maeng Sup Kim
  • Patent number: 8377826
    Abstract: A fin mask for forming saddle type fins in each of active regions formed in an island shape having a certain size with a major axis and a minor axis includes a first fin mask of a line type, and a second fin mask of an island type, wherein the first fin mask and the second fin mask in combination expose saddle type fin regions and cover ends of the neighboring active regions along the major axis.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: February 19, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventor: Kwang-Ok Kim
  • Publication number: 20130041506
    Abstract: The present invention relates to a feeding assistant robot, which assists in feeding patients or the elderly and infirm who have difficulty in moving their arms and thus have difficulty in feeding themselves. The feeding assistant robot includes: a picking arm including a gripper for picking up food placed on a tray; a feeding arm, including a spoon on which the food picked up by the picking arm is placed, for moving the spoon to the mouth of a user; an input device enabling the user to direct the movements of the picking arm and of the feeding arm; and a control unit electrically connected to the picking arm, the feeding arm, and the manipulation part to control the movements of the picking arm and the feeding arm according to the commands from the input device.
    Type: Application
    Filed: December 24, 2010
    Publication date: February 14, 2013
    Inventors: Won Kyung Song, Jong Bae Kim, Kwang Ok An, In Ho Lee, Won Jin Song
  • Patent number: 8351436
    Abstract: Provided are an apparatus and method for efficiently and dynamically allocating a bandwidth on a Time Division Multiple Access-based Passive Optical Network (TDMA PON).
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: January 8, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bin-yeong Yoon, Man-soo Han, Sung-chang Kim, Hark Yoo, Dong-soo Lee, Jong-deog Kim, Kyeong-hwan Doo, Yong-tae Kim, Kwang-ok Kim, Bong-kyu Kim, Geun-yong Kim, Sung-hoon Kwak, Mun-seob Lee, Le Quan
  • Publication number: 20120163823
    Abstract: A continuous-mode wavelength converting apparatus, a burst-mode wavelength converting apparatus, a remote termination apparatus and a central office termination apparatus for converting a burst-mode upstream wavelength signal into a continuous-mode upstream wavelength signal, and thereby transmitting the signal to a long distance and increasing link capacity. The continuous-mode wavelength converting apparatus may convert a received burst-mode upstream electric signal into a continuous-mode upstream electric signal by inserting a first frame at the front of the signal as an indicator of a start of the signal, inserting a second frame at the end of the burst-mode upstream electric signal as an indicator of an end of the signal, and inserting an idle signal into at least one remaining region of the burst-mode upstream electric signal.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang-Ok KIM, Han-Hyub LEE, Sang-Soo LEE
  • Publication number: 20120163802
    Abstract: A wavelength division multiplexing (WDM)-time division multiplexing (TDM) passive optical network (PON) remote terminal (RT) is provided. The wavelength division multiplexing (WDM)-time division multiplexing (TDM) passive optical network (PON) remote terminal (RT), includes: a WDM-TDM converter configured to convert a WDM downstream optical signal that is received from a central office terminal (COT) into a TDM downstream optical signal or to convert a TDM upstream optical signal that is received from an optical network terminal (ONT) into a WDM upstream optical signal; an error detector configured to detect an error; and a controller configured to, in response to an error being detected, transmit the WDM upstream optical signal to the COT via a first standby link or transmit the TDM downstream optical signal to the ONT via a second standby link.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang-Ok KIM, Eun-Gu LEE, Eui-Suk JUNG, Sang-Soo LEE, Tae-Whan YOO
  • Patent number: 8188102
    Abstract: The present invention provides a novel amide derivative of formula (I) and a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising same as an active ingredient.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: May 29, 2012
    Assignee: Hanmi Holdings Co., Ltd.
    Inventors: Kwang-Ok Lee, Mi Young Cha, Mi Ra Kim, Young Hee Jung, Chang Gon Lee, Se Young Kim, Keukchan Bang, Bum Woo Park, Bo Im Choi, Yun Jung Chae, Mi Young Ko, Han Kyong Kim, Young-Gil Ahn, Maeng Sup Kim, Gwan Sun Lee
  • Publication number: 20120123574
    Abstract: A method of plating a substrate and a method of manufacturing a circuit board using the method of plating a substrate. The method of manufacturing a circuit board may include: providing a panel substrate, the panel substrate divided into a circuit board area and a dummy area; calculating a ratio of an area of a circuit pattern to be formed by plating in the circuit board area; determining a ratio of an area being plated in the dummy area by considering the ratio of the area being plated in the circuit board area; setting a plating part in the circuit board area and the dummy area; and forming the circuit pattern by electroplating the panel substrate. Accordingly, deviation in thickness of plating between circuit patterns can be improved.
    Type: Application
    Filed: September 6, 2011
    Publication date: May 17, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong-Ho Moon, Kwang-Ok Jeong, Hyo-Seung Nam
  • Publication number: 20120118988
    Abstract: The present invention provides a heating system for a fuel cell vehicle, in which an additional heating source is used together with an electric heater to lower power consumption and increase fuel efficiency of prior systems. For this purpose the present invention provides a heating system for a fuel cell vehicle, the heating system including: an electric heater for heating air blown by a blower fan and supplied to the interior of the vehicle; and a heater core provided in a coolant line, through which coolant for cooling a fuel cell stack is circulated, and is used for heating the air, blown by the blower fan and supplied to the interior of the vehicle, by heat transfer between the coolant and the air, wherein the heater core is provided at the downstream side of the fuel cell stack in a coolant circulation path such that the air is heated by waste heat of the coolant discharged from the fuel cell stack.
    Type: Application
    Filed: June 6, 2011
    Publication date: May 17, 2012
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Seung Yong Lee, Chi Myung Kim, Eung Young Kim, Gi Young Nam, Sung Wook Na, Hark Koo Kim, Kwang Ok Han, Kyoon Soo Lim, Yong Sun Park
  • Publication number: 20120122000
    Abstract: The present invention provides a heating control method for a fuel cell vehicle, in which an additional heating source is used together with a typical electric heater to reduce power consumption and increase fuel efficiency as compared to the sole use of the electric heater. For this purpose, the present invention provides a heating control method for a fuel cell vehicle which comprises an electric heater for heating air supplied to the interior of the vehicle, and a heater core provided in a coolant line for cooling a fuel cell stack and heating the air supplied to the interior of the vehicle by heat exchange with the coolant discharged from the fuel cell stack.
    Type: Application
    Filed: July 28, 2011
    Publication date: May 17, 2012
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Seung Yong Lee, Chi Myung Kim, Eung Young Kim, Gi Young Nam, Sung Wook Na, Hark Koo Kim, Kwang Ok Han, Kyoon Soo Lim, Yong Sun Park
  • Publication number: 20120031550
    Abstract: A method for forming a plating layer and a method for forming a printed circuit board using the same are disclosed. The method for forming a plating layer in accordance with an embodiment of the present invention can include: providing a metal foil coated with a primer resin layer on one surface thereof, roughness formed the one surface of the primer resin layer; transcribing the primer resin layer, on which roughness is formed, to an insulation layer; reducing the primer resin layer so that an anticorrosive material of the metal foil that remains on the primer resin layer is removed; and plating the primer resin layer, on which roughness is formed.
    Type: Application
    Filed: July 29, 2011
    Publication date: February 9, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong-Ho Moon, Kwang-Ok Jeong, Won-Gyu Park, Hyo-Seung Nam