Patents by Inventor Chang-Woo Yoo

Chang-Woo Yoo 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: 20200393179
    Abstract: A refrigerator and a method for controlling the same. The refrigerator includes a main body; a first storage chamber and a second storage chamber provided in the main body; a first evaporator provided in the first storage chamber, configured to generate cool air; a second evaporator provided in the second storage chamber, configured to generate the cool air; a switching valve configured to supply a refrigerant to at least one of the first evaporator or the second evaporator; and a controller configured to generate a control signal for controlling the switching valve so that the refrigerant supplied to at least one of the first evaporator or the second evaporator is distributed according to a predetermined reference, and lower the temperature of the first storage chamber and the second storage chamber to a predetermined temperature based on the generated control signal.
    Type: Application
    Filed: August 8, 2018
    Publication date: December 17, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Do-Hyung KIM, Su-Cheol YOO, Jung Woo YOO, Kook Jeong SEO, Chang-Hern LEE, Ha-Jin JEONG
  • Publication number: 20200342692
    Abstract: A system and method of calculating a vehicle DTE are provided to calculate a fuel efficiency of each vehicle drive mode, and display a more accurate DTE of each drive mode. The method includes when a driver selects a drive mode and a drive distance of the selected drive mode is accumulated while a vehicle is being driven in the selected mode, collecting drive data including an accumulated drive distance of each drive mode, and fuel efficiency information of each drive mode. A final fuel efficiency of each drive mode is calculated using a drive distance of each drive mode, a consumption energy of each drive mode or a fuel efficiency of each drive mode, and a learning fuel efficiency. A DTE of each drive mode is then calculated based on the calculated final fuel efficiency of each drive mode.
    Type: Application
    Filed: November 26, 2019
    Publication date: October 29, 2020
    Inventors: Seung Jae Yoo, Hyun Woo Shin, Chang Yu Kim
  • Publication number: 20200305270
    Abstract: The present disclosure relates to a cooling apparatus for an electronic element, and particularly, includes a printed circuit board which has a plurality of electronic elements provided on one surface thereof as a unit heat-generating element, a housing main body which has the other surface of the printed circuit board accommodated to be in close contact therewith, and has a plurality of first cooling ribs provided to protrude from the outer surface thereof, an additional cooling part which is disposed to be spaced apart from the outer surface of the housing main body, and dissipates heat transferred from the housing main body, and a heat transfer part which has one end connected to the outer surface of the housing main body and the other end connected to the additional cooling part to transfer heat generated from the electronic element to the additional cooling part, thereby improving cooling performance.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Applicant: KMW INC.
    Inventors: Duk Yong Kim, Jun Woo Yang, Jin Soo Yeo, Chang Woo Yoo, Min Sik Park, Hye Yeon Kim
  • Publication number: 20200305308
    Abstract: The present disclosure relates to a cooling apparatus for an electronic element, and includes a printed circuit board which has a plurality of electronic elements mounted on one surface, at least one of the plurality of electronic elements generating heat at operation, a board case which accommodates the printed circuit board, a cooling cover which has the inner surface in close contact with the other surface of the printed circuit board while covering the board case, and a plurality of radial cooling bodies which have at least one provided to protrude from the outer surface of the cooling cover, are each formed to extend to be inclined upward, and receive heat generated from the printed circuit board to dissipate the heat outward, thereby increasing an effective cooling area on a limited cooling portion to largely improve cooling performance.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 24, 2020
    Applicant: KMW INC.
    Inventors: Duk Yong Kim, Jun Woo Yang, Jin Soo Yeo, Chang Woo Yoo, Min Sik Park, Hye Yeon Kim
  • Publication number: 20200295433
    Abstract: The present disclosure relates to a multiple-input and multiple-output antenna apparatus, and particularly, includes a housing, a ray dome which is coupled to the top of one side of the housing in a longitudinal direction, and has an antenna assembly disposed between the ray dome and the housing, a PCB assembly which is disposed at the bottom of the antenna assembly, a top cooling part which is coupled to the top of the other side of the housing in the longitudinal direction, has a battery and an FPGA assembly disposed between the top cooling part and the housing, and dissipates upward the heat discharged from the FPGA assembly, and a side cooling part which is coupled to protrude to one side in a width direction between the housing and the top cooling part and the other side in the width direction therebetween, and moves and dissipates the heat generated from the FPGA assembly to one side and the other side of the housing in the width direction, thereby improving cooling performance.
    Type: Application
    Filed: June 3, 2020
    Publication date: September 17, 2020
    Applicant: KMW INC.
    Inventors: Duk Yong Kim, Jun Woo Yang, Jin Soo Yeo, Chang Woo Yoo, Min Sik Park, Hye Yeon Kim
  • Publication number: 20200092051
    Abstract: The present invention discloses a method of re-transmission of a lost MMT packet by a packet transmission apparatus. The method includes generating a media processing unit (MPU) based on a media fragment unit (MFU) and generating an MMT asset by encapsulating the MPU; generating an MMT packet based on the MPU included in the generated MMT asset; and transmitting the generated MMT packet, wherein the method further comprises adding, in a signaling message related to re-transmission of the MMT packet, delay_constrained_ARQ_flag to indicate whether or not the MMT packet transmission apparatus supports a delay-constrained automatic repeat request (ARQ) function.
    Type: Application
    Filed: November 21, 2019
    Publication date: March 19, 2020
    Applicants: Electronics and Telecommunications Research Institute, YONSEI UNIVERSITY WONJU INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Chang Ki KIM, Kwang Deok Seo, Jeong Ju Yoo, Jin Woo Hong
  • Patent number: 10579218
    Abstract: An application producing method regarding a first and second application, the method includes receiving an application generation request related to a second application, the second application being subordinate to a first application, generating the second application and computer readable instructions related to a switch interface for selecting at least one of the first and second applications, the switch interface computer readable instructions related to the switch interface, which when executed by at least one application executing apparatus, causes the application executing apparatus to display the switch interface on at least one of the first and second applications, and when the switch interface is in a first state, the first application is controlled based on a first user input received by the at least one application executing apparatus, and when the switch interface is in a second state, the second application is controlled based on the first user input.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: March 3, 2020
    Assignee: Naver Corporation
    Inventors: Sung Jae Lee, Joo Hwan Bae, Hyun Joo Bae, Jung Seob Lee, Gil Do Kim, Won Kuym Kim, Chang Hoon Yang, Gyeong Hwan Jo, Hyun Tae Cho, Byung Yong Song, Do Yun Kim, Jin Woo Yoo
  • Publication number: 20200052363
    Abstract: The present disclosure relates to an MIMO antenna apparatus, and in particular, includes a PCB having at least one heat-generation element provided on one surface thereof, a first heat-dissipation part disposed to cover one surface of the PCB, having a through hole formed in a portion corresponding to the position provided with the heat-generation element, and having a plurality of vertical heat-dissipation fins formed to be extended in a direction perpendicular to the outside surface thereof, and a second heat-dissipation part detachably coupled to the through hole to contact one surface of the heat-generation element to receive heat from the heat-generation element and to dissipate heat at a long distance father than the first heat-dissipation part, thereby enhancing heat-dissipation performance and expanding universality of a product.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 13, 2020
    Applicant: KMW INC.
    Inventors: Chang Woo Yoo, In Ho Kim, Min Sik Park, Hye Yeon Kim
  • Publication number: 20200053017
    Abstract: Disclosed are an apparatus and a method for configuring an MMT payload header. The apparatus for configuring an MMT payload header, according to one embodiment, extracts a sequence number of a media processing unit (MPU) comprising one or a plurality of media fragment units, which are to be aggregated into one payload and mapped, and displays the extracted sequence number of the MPU on the MMT payload header. Specifically, the apparatus for configuring an MMT payload header displays the sequence number commonly associated with a plurality of MFUs on the header only once, when the plurality of MFUs in one payload are aggregated in the one payload and mapped.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Applicants: Electronics and Telecommunications Research Institute, YONSEI UNIVERSITY WONJU INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Chang-Ki KIM, Jeong-Ju YOO, Jin-Woo HONG, Kwang-Deok SEO, Hong-Rae LEE
  • Publication number: 20200028237
    Abstract: An antenna assembly and an antenna device including the same are provided. The antenna assembly includes antenna elements, a first printed circuit board (PCB), cavity filters, and a second PCB. The first PCB has one surface provided with the antenna elements. The cavity filters are installed on the other surface of the first PCB and electrically connected to the plurality of antenna elements. The second PCB has one surface electrically connected to the cavity filters and includes at least a power amplifier, digital processing circuit, and calibration network. The second PCB includes one or more first processing areas and one or more second processing areas extending in parallel with each other. The digital processing circuit is disposed in the second processing area and not in the first processing area. The power amplifier is disposed in the first processing area and not in the second processing area.
    Type: Application
    Filed: September 28, 2019
    Publication date: January 23, 2020
    Applicant: KMW INC.
    Inventors: Duk Yong Kim, Bae Mook Jeong, Chang Woo Yoo
  • Publication number: 20200011693
    Abstract: An apparatus and a method for assisting traveling of a vehicle are provided. The apparatus includes: a sensing unit; a processor configured to generate a traveling route available to the vehicle by using information acquired through the sensing unit while the vehicle is traveling; and a memory storing information about the generated available traveling route.
    Type: Application
    Filed: November 27, 2017
    Publication date: January 9, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-woo YOO, Chang-soo PARK, A-ron BAIK, Mid-eum CHOI, Je-woong RYU, Min-sung JANG, Jeong-eun LEE
  • Patent number: 10525528
    Abstract: An aluminum alloy includes 6 to 8.5 wt % of magnesium (Mg), 4 to 6 wt % of silicon (Si), 0.4 to 0.8 wt % of iron (Fe), 0.2 to 0.5 wt % of manganese (Mn), 0.01 to 0.1 wt % of copper (Cu), 0.05 to 0.15 wt % of titanium (Ti), and the remainder being aluminum (Al), and may be in use for die-casting electronic components or communication components which require weight reduction and high corrosion resistance.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: January 7, 2020
    Assignee: KMW INC.
    Inventors: Yoon-Yong Kim, Chang-Woo Yoo
  • Patent number: 10523376
    Abstract: The present invention discloses a method of re-transmission of a lost MMT packet by a packet transmission apparatus. The method includes generating a media processing unit (MPU) based on a media fragment unit (MFU) and generating an MMT asset by encapsulating the MPU; generating an MMT packet based on the MPU included in the generated MMT asset; and transmitting the generated MMT packet, wherein the method further comprises adding, in a signaling message related to re-transmission of the MMT packet, delay_constrained_ARQ_flag to indicate whether or not the MMT packet transmission apparatus supports a delay-constrained automatic repeat request (ARQ) function.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: December 31, 2019
    Assignees: Electronics and Telecommunications Research Institute, Yonsei University Wonju Industry-Academic Cooperation Foundation
    Inventors: Chang Ki Kim, Kwang Deok Seo, Jeong Ju Yoo, Jin Woo Hong
  • Patent number: 10506911
    Abstract: Disclosed herein is a dishwasher including a spray unit fixed to one sidewall of a wash tub and a reflecting plate assembly to reflect wash water sprayed from the spray unit onto dishes and to linearly reciprocate in a spray direction of the wash water sprayed from the spray unit. The dishwasher further includes a drive unit to drive the reflecting plate assembly, and a cam unit to transmit driving force of the drive unit to the reflecting plate assembly. The drive unit includes a motor to generate rotational force, and a belt forming a closed loop and caused to make cyclic movement by the motor. The cam unit is engaged with the belt to transmit power of the belt to the reflecting plate assembly. The cam is alternately engaged with first and second portions of the belt to cause the reflecting plate assembly to reciprocate.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Young Park, Chang Wook Lee, Seung Gee Hong, Young Su Ser, Soo Hyung Yoo, Kwan Woo Hong, Yong Soo Kyong, Jea Won Lee, Dae Uk Kang, Jeong Hoon Kang, Sung Jin Kim
  • Patent number: 10484294
    Abstract: Disclosed are an apparatus and a method for configuring an MMT payload header. The apparatus for configuring an MMT payload header, according to one embodiment, extracts a sequence number of a media processing unit (MPU) comprising one or a plurality of media fragment units, which are to be aggregated into one payload and mapped, and displays the extracted sequence number of the MPU on the MMT payload header. Specifically, the apparatus for configuring an MMT payload header displays the sequence number commonly associated with a plurality of MFUs on the header only once, when the plurality of MFUs in one payload are aggregated in the one payload and mapped.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: November 19, 2019
    Assignees: Electronics and Telecommunications Research Institute, YONSEI UNIVERSITY WONJU INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Chang-Ki Kim, Jeong-Ju Yoo, Jin-Woo Hong, Kwang-Deok Seo, Hong-Rae Lee
  • Patent number: 10483554
    Abstract: Disclosed is a carbon support for a fuel cell catalyst that supports a metal. The carbon support includes a conductive carbon support and nitrogen atoms doped into the conductive carbon support. Also disclosed is a method for preparing the carbon support. Also disclosed is a catalyst including the carbon support. The catalyst has greatly improved degradation resistance compared to conventional catalysts for fuel cells. In addition, the catalyst is not substantially degraded even when applied to a single cell.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: November 19, 2019
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jin Young Kim, Sung Jong Yoo, Dirk Henkensmeier, Jong Hyun Jang, Hyoung-Juhn Kim, Yeon Hun Jeong, Nayoung Kim, Chang Won Yoon, Jonghee Han, Suk Woo Nam, Tae Hoon Lim
  • Patent number: 10476127
    Abstract: A multi-band antenna apparatus according to one of various embodiments of the present invention may comprise: an antenna housing in which an antenna module having two or more frequency bands is mounted; a plurality of repeaters detachably coupled to the antenna housing according to slide movement thereof; connector parts which protrude from the antenna housing and are connected to the plurality of repeaters, respectively; and a bracket which fixes the antenna housing to an outer wall and couples the plurality of repeaters to the antenna housing in an individually detachable manner.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: November 12, 2019
    Assignee: KMW INC.
    Inventors: In-Ho Kim, Hyoung-Seok Yang, Chang-Woo Yoo, Young-Chan Moon, Seong-Man Kang
  • Publication number: 20190268046
    Abstract: Provided is a multiple-input multiple-output (MIMO) antenna having a lightweight stacked structure. According to one aspect of the present invention, there is provided a MIMO antenna assembly having a lightweight stacked structure, in which a calibration network, which was provided between antenna elements and filters in the related art, is provided on one printed circuit board (PCB), together with a power amplifier and a digital circuit, and filters are closely coupled to the bottom of the PCB on which the feeding network is provided. The present invention employs a strategy in which an antenna assembly is reduced to a compact size while managing phase deviation caused due to filters at an acceptable level.
    Type: Application
    Filed: May 15, 2019
    Publication date: August 29, 2019
    Inventors: Duk Yong KIM, Bae Mook JEONG, Chang Woo YOO, Young Chan MOON, Nam Shin PARK, Bum Sik PARK, Min Seon YUN, Min Sik PARK, Sung Ho JANG
  • Publication number: 20190267701
    Abstract: Provided is an antenna device including a first antenna body, and a power supply module detachably attached to the first antenna body. The power supply module is provided on a fastening region of a first radiation fin of the first antenna body.
    Type: Application
    Filed: May 14, 2019
    Publication date: August 29, 2019
    Inventors: Duk Yong KIM, Young Chan MOON, Min Sik PARK, Chang Woo YOO, Bae Mook JEONG, Nam Shin PARK, Min Seon YUN
  • Publication number: 20190227545
    Abstract: Provided are a method and a device for assisting with driving of a vehicle, the method including sensing an ambient environment of location of a vehicle by using one or more sensors mounted on or in the vehicle; obtaining sensing information about the ambient environment based on the sensing of the ambient environment; comparing map information stored in the vehicle with the obtained sensing information; determining a map reliability of the map information based on a result of the comparing; and controlling the driving of the vehicle based on the determined map reliability.
    Type: Application
    Filed: December 31, 2018
    Publication date: July 25, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Woo Yoo, Mid Eum Choi, Chang Soo Park, A Ron Baik, Je Woong Ryu, In Hak Na