Patents by Inventor Yun Ko

Yun Ko 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: 20170158852
    Abstract: The present invention relates to a copolycarbonate resin composition comprising a copolycarbonate in which a specific siloxane compound is introduced in a main chain of the polycarbonate, and a UV stabilizer. Since the present copolycarbonate resin composition has excellent weather resistance, the article prepared by using this composition exhibits less deteriorated surface quality and physical properties caused by ultraviolet rays or the like when exposed to the outside.
    Type: Application
    Filed: December 3, 2015
    Publication date: June 8, 2017
    Inventors: Un KO, Hyong Min BAHN, Young Young HWANG, Jung Jun PARK, Moo Ho HONG, Ki Jae LEE, Byoung Kyu CHUN, Young Wook SON, Tae Yun KO
  • Patent number: 9520968
    Abstract: A method for performing seamless transmission control for an electronic device and an associated apparatus are provided, where the method includes the steps of: sending a request frame carrying a fragment identification (ID) to trigger a responder in a wireless network system to initiate retransmission corresponding to the fragment ID, wherein the fragment ID indicates beginning of a remaining portion within a plurality of fragments of data being sent from the responder to the electronic device; and receiving at least one response frame sent from the responder, for utilizing the remaining portion within the plurality of fragments of the data, wherein the remaining portion within the plurality of fragments of the data is obtained from the at least one response frame.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: December 13, 2016
    Assignee: MEDIATEK INC.
    Inventors: Yuan-Chin Wen, Chiu-Yun Ko, Chih-Shi Yee, Shun-Yong Huang
  • Patent number: 9404805
    Abstract: A composite material for a temperature sensor and a method of manufacturing the temperature sensor using the composite material are provided. The composite material contains four or more kinds of metal oxides combined with highly insulating materials to produce a material with semiconductor-like properties to more accurately measure a temperature at high temperatures in the range of 500° C. and above. The sensor includes electrode wires having a predetermined diameter inserted into the metal oxide of the temperature sensor when the metal oxide is press-molded to form the temperature sensor. Through the connection of the electrode wires to the temperature sensor device, disconnection of the electrode wires from the device even at a high temperature.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 2, 2016
    Assignees: Hyundai Motor Company, Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Na Yun Ko, Tae Seung Lee, Jin Seong Park
  • Publication number: 20160083886
    Abstract: Mechanism of agitating washing water during laundry in a washing machine. The washing machine includes a rotating plate at the bottom of the washing tub. One or more first wings protrude from the rotating plate. Each first wing has at least one recessed surface areas and protruding peripherals outside the recessed surface area. One or more second wings with a different geometric configuration from the first wings protrude from the rotating plate. When rotating, the first wings and the second wings are operable to cause the washing water to flow in substantially different directions, which advantageously contribute to reduce clothes entanglement. The first wings and the second wings are alternately disposed on the rotating plate.
    Type: Application
    Filed: December 15, 2014
    Publication date: March 24, 2016
    Inventors: Jong Yun KO, Jang Hee LEE
  • Patent number: 9243962
    Abstract: Disclosed herein is a composition of a sensor element, a temperature sensor having the composition of the sensor element and a method of manufacturing the temperature sensor. The sensor element composition comprising Y2O3, Al2O3, MnO2, NiO and Fe2O3, and further comprising ZrO2 and a temperature sensor comprising the same. The method comprising: weighing the composition for a sensor element; mixing the composition; calcining the mixture at about 1000° C.˜1400° C. for 30 min˜5 hrs; pulverizing the calcined mixture to obtain powder; disposing the powder type mixture into a mold; inserting in parallel a plurality of lead wires into the powder type mixture; pressure molding the powder type mixture; and sintering the pressure molded material at about 1300° C.˜1500° C. for 30 min˜5 hrs.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: January 26, 2016
    Assignee: Hyundai Motor Company
    Inventors: Na-Yun Ko, Tae Seung Lee, Jin-Seong Park, Woon-Young Lee
  • Patent number: 9148858
    Abstract: A method and apparatus for controlling uplink transmission power in a mobile communication system are provided. In the method, an Advanced Mobile Station (AMS) determines uplink transmission power based on a measured path loss, an uplink noise and interference level received from an Advanced Base Station (ABS), a target Signal-to-Noise and Interference Ratio (SINR), and an offset. An initial offset value is determined based on a number of retransmissions of an initial ranging code performed until an initial ranging process is completed, a transmission power unit used for retransmission of the initial ranging code, and a power correction value received from the ABS upon completion of the initial ranging process with the ABS.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: September 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Ho Park, Jae-Yun Ko
  • Publication number: 20150195834
    Abstract: A method for managing pairing between a plurality of mobile stations sharing one time slot in a wireless communication system is provided. The method includes selecting candidate mobile stations to share one time slot. The method also includes checking an occurrence of power racing using a code rate and an availability of the candidate mobile stations. The method further includes determining whether to perform pairing that enables the candidate mobile stations to share the one time slot, based on results from checking the occurrence of the power racing.
    Type: Application
    Filed: January 7, 2015
    Publication date: July 9, 2015
    Inventors: Jae-Yun Ko, Se-Ho Kim, Yun-Seok Choi, Keun-Chul Hwang
  • Publication number: 20150092687
    Abstract: The present invention relates to a method and device for inter-cluster cooperative communication in a mobile communication system. A central unit operating method for inter-cluster cooperative communication in a mobile communication system comprises processes comprising: a process of receiving channel data from serving sectors in a serving cluster; a process of respectively receiving the magnitude of change of a target function for scheduling depending on whether the serving sector is blank, from neighbouring sectors in neighbouring clusters of the serving cluster; and a process of determining the blank pattern of the serving cluster, by using the channel data received from the serving sectors, and the magnitude of change of the target function received from the neighbouring sectors in neighbouring clusters.
    Type: Application
    Filed: March 13, 2013
    Publication date: April 2, 2015
    Inventors: Sung-Woo Park, Nam-Koo Kang, Hee-Won Kang, Jae-Yun Ko
  • Publication number: 20140367621
    Abstract: A composite material for a temperature sensor and a method of manufacturing the temperature sensor using the composite material are provided. The composite material contains four or more kinds of metal oxides combined with highly insulating materials to produce a material with semiconductor-like properties to more accurately measure a temperature at high temperatures in the range of 500° C. and above. The sensor includes electrode wires having a predetermined diameter inserted into the metal oxide of the temperature sensor when the metal oxide is press-molded to form the temperature sensor. Through the connection of the electrode wires to the temperature sensor device, disconnection of the electrode wires from the device even at a high temperature.
    Type: Application
    Filed: August 29, 2014
    Publication date: December 18, 2014
    Inventors: Na Yun Ko, Tae Seung Lee, Jin Seong Park
  • Publication number: 20140355530
    Abstract: A method for performing seamless transmission control for an electronic device and an associated apparatus are provided, where the method includes the steps of: sending a request frame carrying a fragment identification (ID) to trigger a responder in a wireless network system to initiate retransmission corresponding to the fragment ID, wherein the fragment ID indicates beginning of a remaining portion within a plurality of fragments of data being sent from the responder to the electronic device; and receiving at least one response frame sent from the responder, for utilizing the remaining portion within the plurality of fragments of the data, wherein the remaining portion within the plurality of fragments of the data is obtained from the at least one response frame.
    Type: Application
    Filed: October 30, 2013
    Publication date: December 4, 2014
    Applicant: MEDIATEK INC.
    Inventors: Yuan-Chin Wen, Chiu-Yun Ko, Chih-Shi Yee, Shun-Yong Huang
  • Patent number: 8848628
    Abstract: A method and an apparatus maximize the capacity of a wireless communication network by taking into consideration inter-cell interference coordination. A home cell's capacity sensitivity to interference is calculated. At least one neighbor cell's capacity sensitivity to interference is collected. And at least one UE located in the home cell is scheduled based on the home cell's capacity sensitivity and the neighbor cell's capacity sensitivity. Accordingly, it is possible to achieve power and allocation control to maximize the capacity of the overall network including neighbor cells increase the system capacity in a cellular system in which inter-cell interference is large, and adaptively perform a UE scheduling in real time to changing distribution of UEs because information on a change in the capacity of each cell is shared by periods.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Yun Ko, Sung-Ho Lee, Soon-Young Yoon, June Moon, Chung-Ryul Chang, Sung-Woo Park, Seung-Won Kang, Ho-Joong Kwon
  • Patent number: 8840302
    Abstract: A composite material for a temperature sensor and a method of manufacturing the temperature sensor using the composite material are provided. The composite material contains four or more kinds of metal oxides combined with highly insulating materials to produce a material with semiconductor-like properties to more accurately measure a temperature at high temperature in the range of 500° C. and above. The sensor includes electrode wires having a predetermined diameter inserted into the metal oxide of the temperature sensor when the metal oxide is press-molded to form the temperature sensor. Through the connection of the electrode wires to the temperature sensor device, disconnection of the electrode wires from the device even at a high temperature.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: September 23, 2014
    Assignees: Hyundai Motor Company, Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Na Yun Ko, Tae Seung Lee, Jin Seong Park
  • Patent number: 8818440
    Abstract: An apparatus is operable to control power of a base station in a distributed Multiple Input Multiple Output (MIMO) wireless communication system. At least one beamforming matrix is used for processing transmission signals to terminals included in a terminal set for a multiple access is determined. Minimum power values required for satisfying a minimum transmission rate of the terminals are determined. Whether optimum power values exist is determined using the minimum power values, the beamforming matrix, and a limit transmission power of the base station. When the optimum power values exist, transmission power values for respective terminals are determined in a range meeting the limit transmission power of the base station.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: August 26, 2014
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Sogang University
    Inventors: Jae-Yun Ko, Keun-Chul Hwang, Seung-Won Kang, Soon-Young Yoon, Won-Jin Sung, Byung-Seok Lee, Ji-Won Lee
  • Patent number: 8792373
    Abstract: A scheduling method in a wireless communication includes receiving a Channel Quality Indicator (CQI) from a plurality of terminals. The method also includes determining an average transmission rate of each terminal based on the CQI by approximating an instantaneous transmission rate distribution to a Gaussian distribution. The method further includes determining a weight of each terminal such that the average transmission rate of each terminal satisfies a target transmission rate. The method also includes selecting a terminal set by applying the determined weight. Thus, it is possible to control the fairness between the terminals and to efficiently control the transmission rate of the terminals according to the required transmission rate and the channel environment of the terminals.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: July 29, 2014
    Assignees: Samsung Electronics Co., Ltd., Chungju National University Industry-Academic Cooperation Foundation
    Inventors: Jae-Yun Ko, Soon-Young Yoon, Cheol Mun, Hee-Jin Jung
  • Patent number: 8594719
    Abstract: An apparatus and method controls transmission power by a Base Station (BS) of a wireless communication system by considering a path loss between the BS and a terminal and interference affecting adjacent cells. A receiver receives information about interference from adjacent BSs and a terminal. A calculator calculates transmission power of the terminal using the information about interference received from the adjacent BSs and the terminal. The information about interference received from the adjacent BSs comprises Noise & Interference (NI) values, and the information about interference received from the terminal includes a path loss value.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: November 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chung-Ryul Chang, June Moon, Jae-Yun Ko, Sung-Ho Lee
  • Publication number: 20130308683
    Abstract: Disclosed herein is a composition of a sensor element, a temperature sensor having the composition of the sensor element and a method of manufacturing the temperature sensor. The sensor element composition comprising Y2O3, Al2O3, MnO2, NiO and Fe2O3, and further comprising ZrO2 and a temperature sensor comprising the same. The method comprising: weighing the composition for a sensor element; mixing the composition; calcining the mixture at about 1000° C.—1400° C. for 30 min—5 hrs; pulverizing the calcined mixture to obtain powder; disposing the powder type mixture into a mold; inserting in parallel a plurality of lead wires into the powder type mixture; pressure molding the powder type mixture; and sintering the pressure molded material at about 1300° C.—1500° C. for 30 min—5 hrs.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 21, 2013
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Na-Yun Ko, Tae Seung Lee, Jin-Seong Park, Woon-Young Lee
  • Publication number: 20130208764
    Abstract: The present disclosure relates to a composite material for a temperature sensor, and a method of manufacturing the temperature sensor using the same. The composite material according to the disclosure may contain four or more kinds of metal oxides that are combined with highly insulating materials, thereby producing a material with semiconductor-like properties that makes it possible to easily and accurately measure a temperature even at a high temperature in the range of 500° C. and above. Furthermore, unlike a conventional temperature sensors in which an electrode is printed/plated on the device surface, the sensor of the disclosure includes electrode wires with a predetermined diameter that are inserted into the metal oxide of the temperature sensor during a process in which the metal oxide is press-molded to form the temperature sensor so the electrode wires are prevented from becoming disconnected from the device.
    Type: Application
    Filed: May 11, 2012
    Publication date: August 15, 2013
    Applicants: Industry-Academic Cooperation Foundation, Chosun University, HYUNDAI MOTOR COMPANY
    Inventors: Na Yun Ko, Tae Seung Lee, Jin Seong Park
  • Patent number: 8509052
    Abstract: Provided are a channel information generation apparatus and a method for spatial division multiplexing in a wireless communication system and a data transmission apparatus and a method using generated channel information. The channel information generation apparatus performs spatial division multiplexing in an OFDM-based wireless communication system. The channel information generation apparatus includes a codebook storage unit for storing a predefined codebook, a channel correlation information unit that receives channel information corresponding to each of a plurality of sub-carriers and calculates channel correlation coefficient information between the sub-carriers based on the received channel information, and an index calculation unit that calculates an index of an optimal matrix of matrices stored in the codebook storage unit based on the channel information, the channel correlation coefficient information, and the codebook.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: August 13, 2013
    Assignee: SNU R&DB Foundation
    Inventors: Yong Hwan Lee, Jae Yun Ko, Seung Hyeon Yang
  • Patent number: 8483298
    Abstract: An apparatus and a method for acquiring initial synchronization in a wireless communication system based on Orthogonal Frequency Division Multiplexing (OFDM) are provided. The apparatus includes a frame synchronizer for acquiring frame synchronization using a preamble signal, a first offset determiner for determining a first time offset and a first frequency offset based on the frame synchronization, a preamble identifier estimator for estimating a preamble identifier in a receive signal interpolated with the first time offset and the first frequency offset, and a second offset determiner for generating a first preamble signal and a first pilot signal corresponding to the preamble identifier, for derandomizing a preamble signal and a pilot signal, and for determining a second time offset and a second frequency offset. Thus, the initial synchronization acquisition time in a low Signal-to-Noise Ratio (SNR) environment can be reduced.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: July 9, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Yun Ko, Jae-Hyok Lee, Soon-Young Yoon
  • Patent number: 8340596
    Abstract: Disclosed are a signal transmission apparatus and method using a eigen antenna technique in a wireless communication system.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: December 25, 2012
    Assignee: SNU R&DB Foundation
    Inventors: Yong Hwan Lee, Jae Yun Ko