Patents by Inventor Seog Choi

Seog Choi 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: 20230187807
    Abstract: The present invention relates to an antenna device, comprising: a front housing including antenna arrangement units in which at least one radiation element is disposed on the front sides thereof, and heat dissipation units formed between adjacent antenna arrangement units and being exposed to outside air to transfer heat generated from the rear side to the front; and a rear housing coupled to the front housing and provided with a filter for filtering RF signals and a main board on which an RF element is mounted, wherein the heat generated from the filter is transferred to the front of the front housing through the contact with the back surface of the front housing by using the filter as a heat transfer medium.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 15, 2023
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Kyo Sung JI, Chi Back RYU, Seong Man KANG, Oh Seog CHOI, Yong Won SEO, Hyoung Seok YANG
  • Publication number: 20230026578
    Abstract: The present invention relates to the present invention provides novel recombinant protein produced from cholinesterase gene derived from Pseudomonas aeruginosa and the composition comprising the same for treating or preventing a neurological disease.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 26, 2023
    Applicant: SKYPEACH CO., LTD
    Inventors: Won Seog CHOI, Moo Hyung LEE, Sang-kyun PARK
  • Publication number: 20220359985
    Abstract: Disclosed is a frequency-division duplexing (FDD) type antenna device for implementing spatial-polarization separation of beams using a quad-polarized antenna module array. There is provided an antenna device including first radiating elements, second radiating elements, third radiating elements, and fourth radiating elements, a filter unit including first, second, third, and fourth filters that filter signals of first, second, third, and fourth signal paths, respectively, and a phase setting module configured to set phases of the filtered signals so that a first beam and a second beam radiated through the first and second radiating elements and the third and fourth radiating elements, respectively, are separated in space, wherein the first beam and the second beam have different polarization directions.
    Type: Application
    Filed: July 14, 2022
    Publication date: November 10, 2022
    Applicant: KMW INC.
    Inventors: Young Chan MOON, Sung Hwan SO, Oh Seog CHOI
  • Publication number: 20220231412
    Abstract: An antenna device is disclosed for implementing spatial-polarization separation of beams using a quad-polarized antenna module array. The antenna device including a quad-polarized antenna module array including first and second quad-polarized antenna modules in which signal paths of radiating elements having the same polarization direction are coupled, and configured to radiate first and second beams having different polarizations, and a polarization/separation beamforming module configured to set phases between signals to be different from each other so that the first beam and the second beam are spatially separated.
    Type: Application
    Filed: April 6, 2022
    Publication date: July 21, 2022
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Young Chan MOON, Sung Hwan SO, In Ho KIM, Oh Seog CHOI
  • Patent number: 11380987
    Abstract: A base station apparatus of an antenna-integrated type for use in a mobile communication network, includes an enclosure configured to have electric and electronic devices for processing signals in receipt and to form at least a part of an exterior of the base station, and an antenna configured to be installed so as to be tiltable on one surface of the enclosure, to have an outer contour defined by a radome, to include at least one radiating element for transmitting and receiving a radio signal, and an enclosure fixing device configured to fixedly mount the enclosure to an external support, and an antenna fixing apparatus configured to fixedly install the antenna on the enclosure so that the antenna is adjustably tilted with respect to the enclosure.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: July 5, 2022
    Assignee: KMW INC.
    Inventors: In-Ho Kim, Oh-Seog Choi, Hee Kim
  • Publication number: 20220210373
    Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 30, 2022
    Inventors: Hyung Jin KIM, Sung San KIM, Hyo Jin HAM, Tae Kyu KIM, Young Wuk SEO, Dae Nyeon KIM, Seog CHOI, Ji Ah LEE, Tae Jun CHOI, Taek Hoon KIM
  • Publication number: 20220200148
    Abstract: A quad-polarized antenna module is provided for implementing temporal-polarization separation.
    Type: Application
    Filed: March 13, 2022
    Publication date: June 23, 2022
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Young Chan MOON, Sung Hwan SO, Oh Seog CHOI
  • Patent number: 11322836
    Abstract: The present disclosure provides a shield wall for shielding multiple individual antenna modules of a massive MIMO antenna from each other. A shield wall according to at least one embodiment of the present disclosure is formed by a plurality of staple-shaped unit partitions arrayed longitudinally of the shield wall, wherein the unit partitions are designed to have optimal widths and heights according to the frequency band in use, and are arranged at a predetermined interval or less with reference to the frequency band in use, thereby providing an antenna structure which satisfies both the X-POL isolation and CO-POL isolation characteristics and can be easily fabricated in a compact, lightweight design.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: May 3, 2022
    Assignee: KMW INC.
    Inventors: Inho Kim, Oh-seog Choi, Hyoung-seok Yang, Jeong Uk Park, Jin Suk Seo
  • Patent number: 11289805
    Abstract: The preset invention relates to a dual polarized antenna and an antenna array and, more particularly, to a dual polarized antenna comprising: a top portion having a radiation patch; a bottom portion forming a probe; and side portions formed along the outer peripheral edge of the top portion so as to have a predetermined height, wherein the side portions include a cup-shaped aluminum structure, and the top portion, the bottom portion, and the side portions are formed in an integrated form.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: March 29, 2022
    Assignee: KMW INC.
    Inventors: Yong Won Seo, In Ho Kim, Hyoung Seok Yang, Oh Seog Choi
  • Publication number: 20220077593
    Abstract: The present disclosure provides a dual-polarized antenna, which is advantageous for a reduction in size by significantly reducing the complexity of a structure while satisfying a Cross Polarization ratio (CPR) characteristic and an isolation characteristic, that is, advantages of a dual feed, by enabling a dual feed using a shift series feed even without another structure in one antenna structure.
    Type: Application
    Filed: November 16, 2021
    Publication date: March 10, 2022
    Applicant: KMW INC.
    Inventors: Su Won LEE, Yong Won SEO, Oh Seog CHOI, Young Chan MOON
  • Publication number: 20220059951
    Abstract: The present disclosure includes, in a dual polarized omni-directional antenna and a base station including the same, a plurality of radiating elements disposed to be spaced apart in one direction by the dual polarized omni-directional antenna, and a feed line for providing a feed signal to the plurality of radiating elements, and the plurality of radiating elements include a first radiator for generating one polarization of dual polarization, and a second radiator for generating the other polarization of the dual polarization, respectively, the first radiator is prepared on a first surface, and the second radiator is prepared on a second surface, and a main lobe direction of the first radiator and a main lobe direction of the second radiator are different directions from each other.
    Type: Application
    Filed: September 2, 2021
    Publication date: February 24, 2022
    Applicant: KMW INC.
    Inventors: Duk Yong Kim, Young Chan Moon, In Ho Kim, Oh Seog Choi
  • Publication number: 20220052750
    Abstract: Disclosed are a spatial multiplexing method and apparatus using polarization in a multi-beam system. As the spatial multiplexing method using polarization in a multi-beam system, an embodiment of the present invention provides a spatial multiplexing method including determining different phases and different polarizations to be applied to a first beam and a second beam, precoding a signal so that the first beam and the second beam have the determined different phases, and converting polarization of the precoded signal so that the first beam and the second beam have the determined different polarizations.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: KMW INC.
    Inventors: Tae Youl OH, Joon Hyong SHIM, Min Seon YUN, Jae Young CHOI, Kyung Hoon KWON, Young Chan MOON, Oh Seog CHOI
  • Patent number: 11114772
    Abstract: The present disclosure includes, in a dual polarized omni-directional antenna and a base station including the same, a plurality of radiating elements disposed to be spaced apart in one direction by the dual polarized omni-directional antenna, and a feed line for providing a feed signal to the plurality of radiating elements, and the plurality of radiating elements include a first radiator for generating one polarization of dual polarization, and a second radiator for generating the other polarization of the dual polarization, respectively, the first radiator is prepared on a first surface, and the second radiator is prepared on a second surface, and a main lobe direction of the first radiator and a main lobe direction of the second radiator are different directions from each other.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: September 7, 2021
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Young Chan Moon, In Ho Kim, Oh Seog Choi
  • Patent number: 11024796
    Abstract: Provided are an ultrasonic probe and a method of manufacturing the same. The method includes: forming a plurality of grooves by removing regions of a first insulating layer and a first silicon wafer from a first substrate including the first silicon wafer and the first insulating layer; bonding a second substrate including a second silicon wafer, a second insulating layer, and a silicon thin layer to the first substrate, such that the plurality of grooves turn into a plurality of cavities; removing the second silicon wafer from the second substrate; forming transducer cells on regions of the second insulating layer corresponding to the plurality of cavities; and forming a plurality of unit substrates by cutting the first substrate, the silicon thin layer, and the second insulating layer.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Young-il Kim, Jong-keun Song, Tae-ho Jeon, Min-seog Choi
  • Publication number: 20210126358
    Abstract: The preset invention relates to a dual polarized antenna and an antenna array and, more particularly, to a dual polarized antenna comprising: a top portion having a radiation patch; a bottom portion forming a probe; and side portions formed along the outer peripheral edge of the top portion so as to have a predetermined height, wherein the side portions include a cup-shaped aluminum structure, and the top portion, the bottom portion, and the side portions are formed in an integrated form.
    Type: Application
    Filed: November 10, 2020
    Publication date: April 29, 2021
    Applicant: KMW INC.
    Inventors: Yong Won SEO, In Ho KIM, Hyoung-Seok YANG, Oh Seog CHOI
  • Publication number: 20210098872
    Abstract: A base station apparatus of an antenna-integrated type for use in a mobile communication network, includes an enclosure configured to have electric and electronic devices for processing signals in receipt and to form at least a part of an exterior of the base station, and an antenna configured to be installed so as to be tiltable on one surface of the enclosure, to have an outer contour defined by a radome, to include at least one radiating element for transmitting and receiving a radio signal, and an enclosure fixing device configured to fixedly mount the enclosure to an external support, and an antenna fixing apparatus configured to fixedly install the antenna on the enclosure so that the antenna is adjustably tilted with respect to the enclosure.
    Type: Application
    Filed: December 15, 2020
    Publication date: April 1, 2021
    Applicant: KMW INC.
    Inventors: In-Ho KIM, Oh-Seog CHOI, Hee KIM
  • Patent number: 10910700
    Abstract: The present invention relates to an omnidirectional antenna for a mobile communication service, comprising: a plurality of radiation elements disposed on a horizontal surface with a mutually same angle so as to respectively radiate beams; and a power supply unit for distributing and providing a power supply signal to each of the plurality of radiation elements, wherein each of the plurality of radiation elements has a structure in which a horizontal polarization dipole radiation unit having two radiation arms is coupled to a vertical polarization dipole radiation unit having two radiation arms.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: February 2, 2021
    Assignee: KMW INC.
    Inventors: Young-Chan Moon, Oh-Seog Choi, In-Ho Kim, Hyoung-Seok Yang
  • Patent number: 10897078
    Abstract: A base station apparatus of an antenna-integrated type for use in a mobile communication network, includes an enclosure configured to have electric and electronic devices for processing signals in receipt and to form at least a part of an exterior of the base station, and an antenna configured to be installed so as to be tiltable on one surface of the enclosure, to have an outer contour defined by a radome, to include at least one radiating element for transmitting and receiving a radio signal, and an enclosure fixing device configured to fixedly mount the enclosure to an external support, and an antenna fixing apparatus configured to fixedly install the antenna on the enclosure so that the antenna is adjustably tilted with respect to the enclosure.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 19, 2021
    Assignee: KMW INC.
    Inventors: In-Ho Kim, Oh-Seog Choi, Hee Kim
  • Publication number: 20200343629
    Abstract: The present disclosure provides a shield wall for shielding multiple individual antenna modules of a massive MIMO antenna from each other. A shield wall according to at least one embodiment of the present disclosure is formed by a plurality of staple-shaped unit partitions arrayed longitudinally of the shield wall, wherein the unit partitions are designed to have optimal widths and heights according to the frequency band in use, and are arranged at a predetermined interval or less with reference to the frequency band in use, thereby providing an antenna structure which satisfies both the X-POL isolation and CO-POL isolation characteristics and can be easily fabricated in a compact, lightweight design.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Applicant: KMW INC.
    Inventors: Inho Kim, Oh-seog Choi, Hyoung-seok Yang, Jeong Uk Park, Jin Suk Seo
  • Patent number: 10764570
    Abstract: The present invention relates to a rotating inspector for a camera module. The rotating inspector includes a rotary table having one or more socket units on which the camera module mounted; a plurality of inspection devices disposed around the rotary table to inspect the camera module; test boards disposed on the rotary table, each of test boards being connected to the one or more socket units, respectively to control the camera module and generate inspection data for the camera module; a first data processing unit disposed on the rotary table and analyzing the inspection data to generate result data for possible defects of the camera module; a second data processing unit disposed outside the rotary table, the second data processing unit being configured to receive the result data and to sort and store the received data; and a data transmission unit transmitting the result data generated in the first data processing unit to the second data processing unit.
    Type: Grant
    Filed: January 20, 2019
    Date of Patent: September 1, 2020
    Assignee: ISMedia Co., Ltd.
    Inventors: Seong Cheol Hong, Dong Choon Kim, Sung Oh Yim, Yong Woo Han, Eun Seok Shin, Cheon Su Mun, Min Seog Choi