Patents by Inventor Hun Cha

Hun Cha 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: 10615907
    Abstract: Rate adaptation is carried out using bit error rate (BER) to enable effective multimedia transmission. The BER can be estimated using signal strength in a MAC layer and modulation information (FIGS. 7-9), and can be compatibly used in different wireless networks by means of message standardization.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: April 7, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Cho, Ji Hun Cha
  • Patent number: 10605124
    Abstract: The present disclosure relates to a hybrid power generating system comprising a power generating system using supercritical CO2 configured to use the supercritical CO2 as a working fluid and a liquefied natural gas (LNG) treatment system configured to vaporize LNG, where the working fluid is cooled in at least one of the power generating system using supercritical CO2 and the LNG treatment system and is re-circulated to the power generating system using supercritical CO2.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: March 31, 2020
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventor: Song Hun Cha
  • Patent number: 10562287
    Abstract: A shielding pattern embedded type window film includes a base film, a first hard coating layer and a second hard coating layer which are sequentially laminated on one surface of the base film, and a shielding pattern disposed at an outer area between the first hard coating layer and the second hard coating layer.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: February 18, 2020
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jong Kwan Lim, Han Bae Lee, Jae Hun Cha, Seung Baek Hong
  • Publication number: 20200043199
    Abstract: There is provided a method of decoding point cloud data, the method comprising: decoding a bitstream to obtain attribute information of point cloud data, acquiring attributes of the point cloud data using the decoded attribute information and reconstructing the point cloud data using the obtained attributes, wherein the attribute information contains bit depth information of each attribute of the point cloud data.
    Type: Application
    Filed: July 12, 2019
    Publication date: February 6, 2020
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Eun Young CHANG, Ji Hun CHA, Su Gil CHOI, Euee Seon JANG, Min Ku LEE, You Sun PARK
  • Publication number: 20200006820
    Abstract: Disclosed is a cooling jacket configured to be disposed close to one surface of a battery cell to absorb heat of the battery cell, the cooling jacket including a cooling plate and a plurality of cooling channels extending therein. The plurality of cooling channels include a coolant supply manifold channel and a coolant discharge manifold channel respectively disposed at first and second sides of the cooling plate and each extending in a longitudinal direction from an inside of the cooling plate to an outside of the cooling plate so that one end thereof is exposed to the outside of the cooling plate; and non-uniform cooling channels spaced apart from each other by a predetermined distance and each having first and second ends respectively connected to the coolant supply manifold channel and the coolant discharge manifold channel, the non-uniform cooling channels having widths that are non-uniform in the longitudinal direction.
    Type: Application
    Filed: August 9, 2018
    Publication date: January 2, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hun Cha, Sang-Il Son, Yong-Seok Choi, Sang-Woo Ryu
  • Publication number: 20190369669
    Abstract: An electronic device may include: a foldable body transitionable between an unfolded state and a folded state; a flexible display device disposed on a front face of the body, the flexible display being foldable together with the body; and a cover that enclosing at least a portion of a rear face of the body, the cover being foldable together with the body. The flexible display may include an exposed region that remains visible when the foldable body is in the folded state.
    Type: Application
    Filed: July 22, 2019
    Publication date: December 5, 2019
    Inventors: Woon-Geun KWAK, Jung-Sik PARK, Jae-Ouk CHUNG, Do-Hun CHA, Kyung-Jung KIM, Seung-Won OH
  • Publication number: 20190354332
    Abstract: Disclosed is an electronic device including a plurality of displays, at least one processor configured to select a first display including at least one of the plurality of displays, based on relative positions of the plurality of displays, user information, an application to be executed, or a component associated with a function of the application, and a display control module configured to output contents to the first display and at least one object associated with the contents to at least one other second display of the plurality of displays.
    Type: Application
    Filed: August 5, 2019
    Publication date: November 21, 2019
    Inventors: Seong Eun KIM, Ju Nyun KIM, Myung Hun BAE, Hyun Ju HONG, Do Hun CHA, Jung Sik PARK, Se Jun SONG, Heung Sik SHIN, Myung Gon HONG
  • Publication number: 20190308745
    Abstract: The present invention provides a method of controlling an unmanned aerial vehicle by a system for controlling a mission of the unmanned aerial vehicle on the basis of a user position. Herein the method includes acquiring information related to a position of the terminal; performing authentication for the unmanned aerial vehicle on the basis of the information related to the position of the terminal; and, when the authentication is completed, transmitting the information related to the position of the terminal to the unmanned aerial vehicle.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 10, 2019
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Myung Seok KI, Sang Hyouk CHOI, Yun Su BOK, Ji Hwan SON, Jeong Hwan LEE, Ji Hun CHA, Jae Young AHN
  • Publication number: 20190302843
    Abstract: A portable communication device is provided. The portable communication device includes a window having a flat window area and a curved window area extending from the flat window area. In addition, the portable communication device includes a display disposed beneath the window and including a flat display area, a curved display area extending from the flat display area, and a wiring area extending from the curved display area. Additionally, the portable communication device includes a fixed part supporting at least one portion of the flat display area and at least one portion of the curved display area, and a bracket supporting at least one portion of the curved display area and at least one portion of the wiring area.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Inventors: Woon Geun KWAK, Jung Sik Park, Do Hun Cha
  • Patent number: 10423193
    Abstract: An electronic device and a method for controlling displaying of information in the electronic device are provided. The electronic device includes a first display formed on at least a portion of a body of the electronic device, and a second display formed on at least a portion of a cover functionally connected to the body and including a transparent display area.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: September 24, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Eun Kim, Seon Il Kim, Young Hoon Kim, Jung Han Kim, Ju Nyun Kim, Jung Sik Park, Do Hun Cha, Seung Ki Choi, Soo Hyung Kim, Chang Wan Lee, Myung Gon Hong, Hyun Ju Hong
  • Publication number: 20190288351
    Abstract: A battery module including a battery-cooling heat sink having a PCM capsule. The battery-cooling heat sink provides a uniform temperature of a cooling fluid flowing through the battery module using a PCM capsule, minimizes a temperature variation of the cooling fluid over the entire area of the heat sink formed in the battery module, and prevents the temperature at a cooling fluid outlet of the heat sink from being higher than that of a cooling fluid inlet.
    Type: Application
    Filed: December 21, 2017
    Publication date: September 19, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Sang-Il SON, Yong-Seok CHOI, Hun CHA
  • Patent number: 10400636
    Abstract: A supercritical CO2 generation system using plural heat sources, includes: a pump configured to circulate a working fluid; heat exchangers configured to heat the working fluid using an external heat source; turbines configured to be driven by the working fluid heated by passing through the heat exchanger; and recuperators configured to exchange heat between the working fluid passing through the turbine and the working fluid passing through the pump to cool the working fluid passing through the turbine, in which the heat exchanger includes constrained heat exchangers having an emission regulation condition of an outlet end and heat exchangers without the emission regulation condition.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: September 3, 2019
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Hak Soo Kim, Song Hun Cha, Sang Hyeun Kim, Jun Tae Jang
  • Patent number: 10359809
    Abstract: An electronic device may include: a foldable body transitionable between an unfolded state and a folded state; a flexible display device disposed on a front face of the body, the flexible display being foldable together with the body; and a cover that enclosing at least a portion of a rear face of the body, the cover being foldable together with the body. The flexible display may include an exposed region that remains visible when the foldable body is in the folded state.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: July 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woon-Geun Kwak, Jung-Sik Park, Jae-Ouk Chung, Do-Hun Cha, Kyung-Jung Kim, Seung-Won Oh
  • Patent number: 10344626
    Abstract: Disclosed herein is a hybrid power generation system. The hybrid power generation system may enhance efficiency of production of electricity and heating heat by integrating power generation using supercritical carbon dioxide (CO2) and cogeneration.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: July 9, 2019
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Song Hun Cha, Hak Soo Kim
  • Publication number: 20190208405
    Abstract: An electronic device is provided. The electronic device includes a UICC in which a first profile is installed, an eUICC, and a processor electrically connected with the UICC and the eUICC. The processor requests a second profile to be installed in the eUICC from a first server based on the first profile, receives the second profile from a second server associated with the first server, and installs the received second profile in the eUICC. The second profile and the first profile include the same subscriber identification information.
    Type: Application
    Filed: September 11, 2017
    Publication date: July 4, 2019
    Inventors: Jung Sik PARK, Sang Hwi LEE, Do Hun CHA, Sun Min HWANG
  • Patent number: 10324493
    Abstract: An electronic device is provided. The electronic device includes a window panel having a front area and a curved area extending from the front area, a display panel disposed beneath the window panel, and a fixed part which supports a curved area of the display panel. The display panel includes a front display area, a side display area extending from the front display area so as to be curved, and a wiring area extending from the side display area, and the fixed part supports a curved shape of the side display area or the wiring area.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: June 18, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Woon Geun Kwak, Jung Sik Park, Do Hun Cha
  • Patent number: 10287926
    Abstract: Disclosed herein is a supercritical CO2 generation system using plural heat sources, including: a pump configured to circulate a working fluid; plural heat exchangers configured to heat the working fluid using an external heat source; plural turbines configured to be driven by the working fluid heated by passing through the heat exchanger; and plural recuperators configured to exchange heat between the working fluid passing through the turbine and the working fluid passing through the pump to cool the working fluid passing through the turbine and heat the working fluid passing through the pump, in which the heat exchanger may include plural constrained heat exchangers having an emission regulation condition of an outlet end and plural heat exchangers without the emission regulation condition.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: May 14, 2019
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Hak Soo Kim, Sang Hyeun Kim, Jun Tae Jang, Song Hun Cha
  • Patent number: 10280988
    Abstract: A clutch actuator includes: a reduction gear to rotate in a housing by a motor; a connecting rod having a first end connected to the reduction gear; a pair of levers provided on a hinge shaft in the housing, and connected to a second end of the connecting rod to rotate according to a rotation of the reduction gear; a push rod contacting with a clutch actuator fork; and a wear compensating unit movably coupled between the levers in a vertical direction and provided with an inclined surface contacting a first cam. In particular, the push rod has one end extended outwardly of the housing and is coupled with the first cam of which one end is movably inserted into the first hole of the levers.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: May 7, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jin Woo Lee, Eui Hee Jeong, Jeong Heon Kam, Jong Min Kim, In Tae Park, Jeong Kyu Lee, Seung Hun Cha
  • Patent number: 10273832
    Abstract: Disclosed herein is a supercritical carbon dioxide power generation system utilizing a plurality of heat sources, comprising: a pump for circulating a working fluid; a plurality of heat exchangers for heating the working fluid through an external heat source; a plurality of turbines driven by the working fluid heated through the heat exchangers; and a plurality of recuperators that allow the working fluid passed through the turbines and the working fluid passed through the pump to heat exchange with each other to cool the working fluid passed through the turbine, wherein the plurality of heat exchangers are sequentially disposed from a high temperature region at an inlet end into which waste heat gas stream is introduced up to a low temperature region at an outlet end through which the waste heat gas stream is discharged via a mediate temperature region.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: April 30, 2019
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Song Hun Cha, Hak Soo Kim, Sang Hyeun Kim, Jun Tae Jang
  • Publication number: 20190097752
    Abstract: Rate adaptation is carried out using bit error rate (BER) to enable effective multimedia transmission. The BER can be estimated using signal strength in a MAC layer and modulation information (FIGS. 7-9), and can be compatibly used in different wireless networks by means of message standardization.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 28, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju CHO, Ji Hun CHA