Patents by Inventor Yong-Hun Lee

Yong-Hun Lee 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: 11127272
    Abstract: An electronic apparatus is provided. The electronic apparatus according to an embodiment includes a plurality of different types of gas sensors configured to output sensing values based on sensing a gas, and a processor configured to determine a gas type corresponding to a plurality of sensing values respectively output from the plurality of different types of gas sensors.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jang-pyo Park, Sang-hun Lee, Yong-won Jeong, Jeong-eun Lee
  • Patent number: 11125886
    Abstract: The present invention provides a method of performing a position measurement on the basis of a signal from a global navigation satellite system (GNSS). The method includes: receiving initial position information; estimating an initial value of a multipath error through a measurement of the GNSS signal on the basis of the received initial position information; estimating a multipath error from the initial value of the multipath error on the basis of a change in the measurement; removing the estimated multipath error from the measurement of the GNSS signal; and performing the position measurement on the basis of the GNSS measurement from which the multipath error is removed.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: September 21, 2021
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Yoo La Hwang, Jae Young Ahn, Byoung Sun Lee, Ji Hun Cha, Byung Woon Park, Yong Jun Lee, Cheol Soon Lim
  • Publication number: 20210040271
    Abstract: A superabsorbent polymer having optimized gel strength and exhibiting an improved absorption rate without increasing a specific surface area by chemical foaming or a physical method, and a preparation method thereof, are provided.
    Type: Application
    Filed: June 11, 2019
    Publication date: February 11, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Mookon Kim, Dae Woo Nam, Hyemi Nam, Sang Gi Lee, Chang Hun Lee, Jiyoon Jeong, Chang Hun Han
  • Patent number: 10894844
    Abstract: Provided are a superabsorbent polymer having a high bulk density value and showing a reduction in unpleasant odors which may be caused by various additives included in a preparation process while basically maintaining excellent absorption performance and absorption rate, and a preparation method thereof.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: January 19, 2021
    Inventors: Yong Hun Lee, Tae Young Won, Jun Wye Lee, Kwangin Shin, Chang Hun Han
  • Publication number: 20200322210
    Abstract: There are provided a method and apparatus for delivering transport characteristics of multimedia data. According to an aspect of the present invention, transport characteristics of media data that can be divided in a unit of a Media Processing Unit (MPU) are created in a unit of a predetermined number of MPUs, the created transport characteristics and a flag indicating presence or absence of the created transport characteristics are inserted into the media data, and the resultant media data is delivered. Accordingly, by using transport characteristics in units of media data unit groups, each media data unit corresponding to a short time length, it is possible to effectively control Quality of Service (QoS) in a dynamically changing transport environment, like a mobile network.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Inventors: Kyung-Mo PARK, Sung-Oh HWANG, Doug-Young SUH, Yong-Hun LEE
  • Patent number: 10750222
    Abstract: An apparatus and a method for providing an adaptive multimedia service in a mobile communication system are provided. The method of providing a multimedia service includes collecting user-preference-aware information, device-capability-aware information, and network-aware information, generating a packet according to a correlation among the user-preference-aware information, the device-capability-aware information, and the network-aware information, and providing a multimedia service according to the generated packet.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: August 18, 2020
    Assignees: Samsung Electronics Co., Ltd., UNIVERSITY—INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Sung-Oh Hwang, Doug-Young Suh, Kyung-Mo Park, Yong-Hun Lee, Jun-Oh Kim, Jae-Yeon Song, Yong-Il Kwon
  • Patent number: 10725082
    Abstract: One embodiment provides a technique of adjusting a gate voltage to be applied to at least one MOS capacitor and an amount of electric charges to be stored in the MOS capacitor so as to determine a sensitivity of a change in the amount of electric charges stored in the MOS capacitor, and exposing the MOS capacitor to an electric filed for a predetermined amount of time and then reading an electron inflow or outflow result due to the electric field so as to interpret the intensity and the direction of the electric field, thereby measuring the intensity and the direction of the electric field.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: July 28, 2020
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sang Lyul Min, Yong Hun Lee
  • Patent number: 10728082
    Abstract: There are provided a method and apparatus for delivering transport characteristics of multimedia data. According to an aspect of the present invention, transport characteristics of media data that can be divided in a unit of a Media Processing Unit (MPU) are created in a unit of a predetermined number of MPUs, the created transport characteristics and a flag indicating presence or absence of the created transport characteristics are inserted into the media data, and the resultant media data is delivered. Accordingly, by using transport characteristics in units of media data unit groups, each media data unit corresponding to a short time length, it is possible to effectively control Quality of Service (QoS) in a dynamically changing transport environment, like a mobile network.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: July 28, 2020
    Assignees: Samsung Electronics Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Kyung-Mo Park, Sung-Oh Hwang, Doug-Young Suh, Yong-Hun Lee
  • Patent number: 10567452
    Abstract: A method for receiving a media data is provided. The method includes receiving, by a client from a server, a media presentation description (MPD) including segment information; and receiving media data based on the MPD, wherein the media data comprises a segment, wherein the segment includes a fragment, and wherein the fragment includes a subfregment, wherein the segment information indicates a location of the media data, and wherein the segment information comprises segment index information indicating a corresponding byte range related one fragment, and fragment index information for accessing different levels of a plurality of subfragments.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: February 18, 2020
    Assignees: Samsung Electronics Co., Ltd, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Kyung-Mo Park, Doug-Young Suh, Yong-Hun Lee, Jae-Yeon Song
  • Patent number: 10550230
    Abstract: A preparation method of a superabsorbent polymer, and a superabsorbent polymer prepared thereby are provided. The preparation method of the superabsorbent polymer according to the present disclosure prevents polymer particles from being broken or the surface thereof from being damaged during preparation and handling of the superabsorbent polymer, thereby providing a superabsorbent polymer having excellent absorption properties and permeability.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: February 4, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Hyung Ki Yoon, Chang Sun Han, Jung Min Sohn
  • Patent number: 10523399
    Abstract: A method for transmitting multimedia data delivery characteristics information by a multimedia data transmission apparatus in a multimedia communication system is provided. The method includes transmitting, to a multimedia data reception apparatus, an element indicating whether multimedia data delivery characteristics information denoting information related to a Quality of Service (QoS) for multimedia data is included, and the multimedia data delivery characteristics information if the element indicates that the multimedia data delivery characteristics information is included.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: December 31, 2019
    Assignees: Samsung Electronics Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Kyung-Mo Park, Doug-Young Suh, Sung-Ryeul Rhyu, Sung-Oh Hwang, Yong-Hun Lee, Jae-Yeon Song
  • Patent number: 10516448
    Abstract: The present invention relates to a 5th-generation (5G) or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4th-generation (4G) communication system, such as long term evolution (LTE), and subsequent systems. The present invention provides a method by which a mobile station (MS) operates a beam in a communication system supporting a hybrid multiple-input multiple-output (MIMO) mode, the method comprising the steps of: receiving, from a base station (BS), information related to the number of beams to be used, by the BS, for a beam training process; receiving, from the BS, a downlink reference signal (RS); performing a channel estimation process on the basis of the downlink RS; and transmitting, to the BS, information related to the number of beams to be used by the MS, after performing the channel estimation process.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: December 24, 2019
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jae-Won Kim, Yong-Hun Lee, Min-Hyun Kim, Jun-Ho Lee
  • Publication number: 20190384760
    Abstract: Methods and systems for a keyword search using a messenger service may be provided. A keyword search method may provide a search result to users based on instant messages transmitted and received through a messenger service.
    Type: Application
    Filed: August 27, 2019
    Publication date: December 19, 2019
    Applicant: LINE Corporation
    Inventors: Jiwon KIM, Taegyu Yoo, Seung Hwan Lee, Hyun ju Yi, Yong-Hun Lee, Eunhee Min, Chanil Kim
  • Patent number: 10445333
    Abstract: Methods and systems for extracting one or more keywords from one or more messages among instant messages transmitted and received through a messenger service and providing a search result to users.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: October 15, 2019
    Assignee: Line Corporation
    Inventors: Jiwon Kim, Taegyu Yoo, Seung Hwan Lee, Hyun ju Yi, Yong-Hun Lee, Eunhee Min, Chanil Kim
  • Patent number: 10396483
    Abstract: The present disclosure relates to a terminal capable of preventing deformation due to a load applied upon being in contact with a board, and the terminal includes a body, and a contact positioned inside the body and being in contact with the strip of the board. The contact includes a first bending portion bent backwardly from the front end of the body and elastic-deformed when being in contact with the board, a first inclined portion extending backwardly from the first bending portion, a second bending portion bent forwardly from a rear end of the first inclined portion and being in contact with the board, a second inclined portion extending forwardly from the second bending portion, and a support portion bent at a front end of the second inclined portion and limiting the deformation of the first bending portion when being in contact with the body.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: August 27, 2019
    Assignees: KOREA ELECTRIC TERMINAL CO., LTD., SL CORPORATION
    Inventors: Kyung-Nam Lee, Yong-Hun Lee, Choon-Woo Lee
  • Publication number: 20190194367
    Abstract: Provided are a superabsorbent polymer having a high bulk density value and showing a reduction in unpleasant odors which may be caused by various additives included in a preparation process while basically maintaining excellent absorption performance and absorption rate, and a preparation method thereof.
    Type: Application
    Filed: June 26, 2018
    Publication date: June 27, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Tae Young Won, Jun Wye Lee, Kwangin Shin, Chang Hun Han
  • Patent number: 10262841
    Abstract: A plasma monitoring device includes a fixing unit, a plasma measuring unit disposed to be in contact with the fixing unit, and measuring a luminous intensity of emitted light of a plasma to output a luminous intensity measurement value, a reference light source unit irradiating reference light having a uniform luminous intensity to the plasma measuring unit, and a control unit receiving the luminous intensity measurement value to calculate a luminous intensity value of the emitted light, controlling a voltage applied to the reference light source unit to uniformly control a luminous intensity of the reference light, comparing a luminous intensity of the reference light irradiated to the plasma measuring unit with a previously stored luminous intensity reference value to detect a correction factor, and applying the correction factor to a luminous intensity value of the emitted light to correct the luminous intensity measurement value.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: April 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Pyung Moon, Sung Ho Kang, Ki Chul Kim, Un Ki Kim, Yong Hun Lee, Jae Hee Lee, Yong Seok Song, Hang Mook Park, Je Hoon Oh
  • Publication number: 20190099739
    Abstract: The present invention relates to a super absorbent polymer exhibiting more improved absorption under pressure and liquid permeability, even while basically maintaining excellent centrifuge retention capacity and absorption rate, and a method for producing the same. The super absorbent polymer comprises: a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent, wherein the surface crosslinking agent includes at least two compounds having a solubility parameter value (?) of 12.
    Type: Application
    Filed: October 25, 2017
    Publication date: April 4, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Jung Min Sohn, Hyemin Lee, Chang Sun Han
  • Publication number: 20190058624
    Abstract: There are provided a method and apparatus for delivering transport characteristics of multimedia data. According to an aspect of the present invention, transport characteristics of media data that can be divided in a unit of a Media Processing Unit (MPU) are created in a unit of a predetermined number of MPUs, the created transport characteristics and a flag indicating presence or absence of the created transport characteristics are inserted into the media data, and the resultant media data is delivered. Accordingly, by using transport characteristics in units of media data unit groups, each media data unit corresponding to a short time length, it is possible to effectively control Quality of Service (QoS) in a dynamically changing transport environment, like a mobile network.
    Type: Application
    Filed: October 23, 2018
    Publication date: February 21, 2019
    Inventors: Kyung-Mo PARK, Sung-Oh HWANG, Doug-Young SUH, Yong-Hun LEE
  • Patent number: 10208171
    Abstract: Provided are a preparation method of a superabsorbent polymer, and a superabsorbent polymer prepared thereby. The preparation method of the superabsorbent polymer according to the present disclosure enables preparation of the superabsorbent polymer which is excellent in absorption properties such as centrifuge retention capacity and absorbency under pressure, and also has improved permeability. In addition, the preparation method exhibits excellent operability during the preparation (in particular, surface crosslinking of the polymer) and excellent productivity due to low production of coarse particles and fine particles.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: February 19, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Chang Sun Han, Hye Mi Nam, Dong Jo Ryu, Hyemin Lee