Patents by Inventor Kyo-Sung Ji

Kyo-Sung Ji 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: 12148990
    Abstract: The present invention relates to an antenna device, and especially, comprises: a printed board assembly (PBA hereinafter) which has a plurality of antenna-related components mounted to one surface, and has a plurality of filters mounted to the other surface; and an antenna board which is stacked and disposed on the one surface side of the PBA, has a plurality of antenna elements mounted to one surface, and is connected to the filters tightly adhering to the other surface, so as to establish an electrical signal line with the filters, wherein the filters are spaced apart from the other surface of the PBA and have clamshell parts integrally formed so as to prevent a signal leakage from the electrical signal line, and thus an advantage is provided of enabling the improvement of the overall heat dissipation performance and filter performance of the filters.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: November 19, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Bae Mook Jeong, Joung Hoe Kim
  • Patent number: 12150278
    Abstract: Provided is a heat dissipating apparatus for electronic elements which has the minimum size but has improved heat dissipating performance. To this end, the heat dissipating apparatus for electronic elements, according to the present invention, comprises: a heat dissipating housing having an internal space; a shield case formed of a thermally conductive material, wherein the shield case is disposed in the heat dissipating housing and partitions the internal space into a first chamber which is a vacuum space to be filled with a refrigerant and a second chamber which is a non-vacuum space; and a printed circuit board which is disposed in the shield case and has a heat dissipating element. The shield case evaporates the refrigerant by using sensible heat transferred from the heat dissipating element to the shield case and latent heat transferred from the shield case to the first chamber.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: November 19, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Bae Mook Jeong, In Hwa Choi
  • Publication number: 20240380110
    Abstract: The present invention relates to a small cell base station antenna apparatus, and more particularly, comprises: a radio unit (RU); one or more antenna modules installed on the radio unit so as to be capable of tilting and steering operations; and a multi-function link for mediating the installation of the one or more respective antenna modules on the radio unit, wherein the multi-function link includes male connectors that electrically connect female connectors included in the antenna modules and the radio unit, thus providing the benefits of improving the workability of indoor installation and facilitating the construction of a small cell base station.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Bae Mook JEONG, Seong Min AHN, Ki Hun PARK, Kyo Sung JI, Chi Back RYU, Won Jun PARK, Min Sik PARK, Hyoung Seok YANG, Yong Sang LEE, Sung Hwan SO, Yong Won SEO, In Ho KIM, Hee KIM
  • Patent number: 12142811
    Abstract: An antenna device may include: a main housing configured to house and fix a first board having a plurality of heating elements mounted on a rear surface thereof; at least one U-shaped heat dissipation cluster detachably coupled to the rear surface of the main housing, and filled with a predetermined refrigerant, wherein the refrigerant receives heat from the heating elements and dissipates the heat to the outside while moving along a pattern flow path formed in a distributed manner toward the outside; and at least one heat-collection mediating fixing part configured to collect heat from the heating elements and transfer the collected heat to the U-shaped heat dissipation cluster, while mediating the attachment/detachment of the U-shaped heat dissipation cluster to/from the rear surface of the main housing.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: November 12, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Hye Yeon Kim, Youn Jun Cho
  • Patent number: 12142835
    Abstract: The present invention relates to an antenna device and, particularly, the antenna device comprises: a printed board assembly (hereinafter, referred to as “PBA”) having a plurality of antenna-related components mounted on one surface thereof, and having a plurality of filters mounted on the other surface thereof, an antenna board which is arranged to be stacked on one surface side of the PBA, and which has a plurality of antenna elements mounted on one surface thereof and connected to construct electrical signal lines with the filters in close contact with the other surface thereof, and clamshell units interposed between the other surface of the PBA and one surface of the filters to perform a signal shielding function, wherein the insides of the clamshell units include strip line connectors which absorb the assembly tolerance between the clamshell units while being partially deformed by means of the adhesion of the filters during close-coupling of the filters, and which shield a signal by means of ground surfa
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: November 12, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Bae Mook Jeong, Joung Hoe Kim
  • Publication number: 20240250402
    Abstract: The present invention relates to a clamping apparatus for an antenna device and, particularly, to a clamping apparatus comprising: two or more clamping block bodies tightly combined to occupy a part of the outer surface of a support pole having a horizontal cross section in various shapes; and a clamping band coupled so as to pass through the two or more clamping block bodies, the clamping band coupling by fastening the two or more clamping block bodies to the outer surface of the support pole, wherein each of the two or more clamping block bodies has a detachable clamping gear plate having gear teeth which come in close contact with the outer surface of the support pole, thereby providing the advantage of enhancing general use with respect to replacement installation.
    Type: Application
    Filed: March 12, 2024
    Publication date: July 25, 2024
    Applicant: KMW INC.
    Inventors: In Ho KIM, Kyo Sung JI, Chi Back RYU, Hee KIM, Duk Yong KIM
  • Publication number: 20240251527
    Abstract: The present disclosure relates to an active heat dissipation apparatus and a method of manufacturing the same, and the active heat dissipation apparatus includes a thermal conduction panel body having a refrigerant flow space configured to provide a space in which gas-liquid circulation is performed so that a refrigerant dissipates heat while changing phases in a closed space having an interior filled with the refrigerant, in which the refrigerant flow space includes a first refrigerant flow path that is a vaporization zone in which the thermal conduction panel body is supplied with heat from a heat generation element that is a heat dissipation target, and a second refrigerant flow path configured to serve as a route through which a liquid refrigerant in the refrigerant, which is condensed into a liquid state from a gaseous state, flows toward the first refrigerant flow path by surface tension or gravity.
    Type: Application
    Filed: January 5, 2024
    Publication date: July 25, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Dong Won KIM, Hye Yeon KIM, Jun Woo YANG, Chi Back RYU, Kyo Sung JI, In Hwa CHOI
  • Patent number: 12034214
    Abstract: The present invention relates to an antenna apparatus and, in particular, comprises: a main housing having an inner space formed therein so as to embed a main board and having a plurality of radiating fins provided on an outer surface thereof; a cover housing provided so as to shield the inner space of the main housing and having a plurality of radiating fins provided on an outer surface thereof; and a plurality of unit antenna blocks detachably coupled so as to occupy a portion of the outer surface of the cover housing, and having an antenna substrate embedded therein, the antenna substrate having one or more antenna elements and one or more antenna filters combined thereto, wherein the plurality of unit antenna blocks are signal-connected to the main board via at least one connecting card, thereby providing an advantage that dual banding can be realized as well as enabling effective heat dissipation.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: July 9, 2024
    Assignee: KMW INC.
    Inventors: Chang Woo Yoo, Kyo Sung Ji, Min Seon Yun, Hye Yeon Kim
  • Patent number: 12034208
    Abstract: The present invention relates to a multi-input and multi-output antenna apparatus, and in particular, the antenna apparatus provides an advantage of easy heat dissipation and calibration control by comprising: an antenna unit in which a transmission and reception substrate and an antenna substrate having a plurality of electric elements provided on one surface or the other surface thereof are stacked and arranged in the front-rear direction; a control unit in which a BB substrate and a PSU substrate having a plurality of electric elements provided on one surface or the other surface thereof are stacked and arranged in the front-rear direction, and which is provided so as to enable calibration control by using a connection between the antenna unit and a power supply or a control signal; and at least one connecting card which is provided so as to enable connection of the power supply or the control signal between the antenna unit and the control unit.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: July 9, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chang Woo Yoo, Hye Yeon Kim
  • Publication number: 20240213663
    Abstract: The present invention relates to an antenna apparatus for a base station and, specifically, to an antenna apparatus comprising: a repeater; an antenna module installed to be tiltable and steerable with respect to the front surface of the repeater; and an antenna clamping unit for mediating the installation of the antenna module with respect to the repeater, wherein the antenna clamping unit is provided to conceal a wire cable which electrically connects the repeater and the antenna module, thereby preventing deterioration of aesthetics of an installation place and maximizing space utilization.
    Type: Application
    Filed: March 10, 2024
    Publication date: June 27, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Kyo Sung JI, Chi Back RYU, Won Jun PARK, In Ho KIM, Hee KIM
  • Publication number: 20240196567
    Abstract: A wireless communication apparatus is disclosed. According to at least one embodiment of the present disclosure, a wireless communication apparatus including a main case; a random disposed on a front surface of the main case and forming an accommodation space therein; a heat dissipation portion disposed at a rear surface of the random; an upper screen disposed in contact with a rear end of an upper surface of the main case and having a plurality of first through holes formed therein; and a cover portion disposed on a rear surface of the main case, configured to be opened and closed, and having a plurality of second through holes formed therein.
    Type: Application
    Filed: February 17, 2024
    Publication date: June 13, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Kyo Sung JI, Chi Back RYU, Won Jun PARK, Jun Woo YANG
  • Publication number: 20240195043
    Abstract: The present invention relates to an antenna apparatus, comprising: an antenna housing part including a front housing that is particularly made of a thermally conductive material and formed in the shape of an enclosure having an open rear portion, and a rear housing cover that shields the open rear portion of the front housing and forms a predetermined installation space therein; a main board and a PSU board which are stacked in an installation space of the antenna housing part in such a manner that predetermined heating elements are mounted on the front surface of the main board and the PSU board, and the front surfaces of the predetermined heating elements are in the thermal contact with the front inner surface of the installation space of the antenna housing part; and a plurality of filters arranged to form a predetermined layer in the installation space between the rear surfaces of the main board and the PSU board and the rear housing cover, thereby providing an advantage of reducing space restrictions on
    Type: Application
    Filed: February 24, 2024
    Publication date: June 13, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Kyo Sung JI, Chi Back RYU
  • Patent number: 11978946
    Abstract: The present disclosure relates to a clamping apparatus for an antenna, and more particularly, to a clamping apparatus for an antenna including: an arm unit coupled to a support pole and having an upwardly open rotating shaft hole formed in a front end thereof; a rotation unit detachably mounted to the rotating shaft hole of the arm unit and coupled to be rotatable about the rotating shaft hole at a predetermined angle in a left-right direction; and a tilting unit detachably mounted to a tilting shaft hole of the front end of the rotation unit, and coupled to be tiltable about the tilting shaft hole at a predetermined angle in a top-down direction, wherein the rotation unit is configured such that a rotating shaft rod serving as the center of the rotating motion is rotatably fixed to the arm unit through a rotating coupling member, and the tilting unit is configured such that the tilting shaft rod serving as the center of the tilting motion is tiltably fixed to the rotation unit through a tilting coupling memb
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: May 7, 2024
    Assignee: KMW INC.
    Inventors: Chang Woo Yoo, Kyo Sung Ji
  • Publication number: 20240141673
    Abstract: The present invention relates to a multi-functional support pole assembly. In particular, the present invention provides the advantage of improving operational reliability as well as preventing deterioration of urban area appearance, by comprising: a pole body provided in a hollow form and having a plurality of antenna mounting grooves formed through cutting so as to be spaced apart at a predetermined angle in a circumferential direction such that a plurality of antenna devices can be installed in the circumferential direction; and ventilation panels which are attached to remaining portions of the antenna mounting grooves not occupied by the plurality of antenna devices, and have a plurality of ventilation holes for introducing external air into the interior of the pole body.
    Type: Application
    Filed: January 6, 2024
    Publication date: May 2, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, In Ho KIM, Sang Hyo KANG, Kyo Sung JI, Chi Back RYU, Min Sik PARK, Hee KIM
  • Publication number: 20240136707
    Abstract: The present invention relates to a mounting apparatus for an antenna device and, specifically, comprises: a horizontal mounting panel coupled to the bottom surface of an antenna device; and an antenna installation unit on which the horizontal mounting panel is coupled and in which a hollow cable installation space is provided, wherein the antenna device enable left-right steering adjustment and up-down tilting adjustment by means of the horizontal mounting panel, and thus installation convenience and regulatory standards can be satisfied.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 25, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Hee KIM, Min Sik PARK, Kyo Sung JI, Chi Back RYU, In Ho KIM
  • Publication number: 20240136697
    Abstract: The present invention relates to a mounting apparatus for an antenna device and, specifically, comprises: a horizontal mounting panel coupled to the bottom surface of an antenna device; and an antenna installation unit on which the horizontal mounting panel is coupled and in which a hollow cable installation space is provided, wherein the antenna device enable left-right steering adjustment and up-down tilting adjustment by means of the horizontal mounting panel, and thus installation convenience and regulatory standards can be satisfied.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 25, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Hee KIM, Min Sik PARK, Kyo Sung JI, Chi Back RYU, In Ho KIM
  • Publication number: 20240128630
    Abstract: The present invention relates to a support pole assembly for mounting an antenna and, particularly, to a support pole assembly for mounting an antenna, comprising: a support pole which is formed in a hollow structure and has an antenna device mounting hole formed at the circumferential surface thereof; an antenna device which is mounted to the support pole while passing through and covering the antenna device mounting hole and the rear portion of which is placed in the inner space of the support pole. Accordingly, the present invention provides an advantage in that the protrusion amount of the antenna device with respect to the support pole is reduced and thus the space required for mounting the antenna device can be reduced.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 18, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Chi Back RYU, Min Sik PARK, Kyo Sung JI, In Ho KIM, Sang Hyo KANG, Min Soo KIM, Hee KIM, Young Ji HONG
  • Publication number: 20240128631
    Abstract: The present invention relates to a mounting apparatus for an antenna device on a rooftop corner. In particular, the mounting apparatus is installed on a railing on a corner side of a rooftop, and includes: a floor support part which is disposed on the inner bottom surface of the railing of the roof top and has a part that extends upward in parallel to the railing; a pair of railing support parts extending horizontally from the upper portion of the floor support part toward the railing; and a mounting part which is coupled to the upper portion of the floor support part and has a top end on which an antenna device is mounted. Therefore, the present invention provides installation convenience and enables legal regulations to be met.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 18, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, In Ho KIM, Kyo Sung JI, Chi Back RYU, Hee KIM, Min Sik PARK
  • Publication number: 20240127722
    Abstract: A wireless communication device support assembly is disclosed, including a support pole comprising a hollow interior, a first frame having a polygonal shape disposed on top of the support pole, a plurality of wireless communication devices disposed inside the first frame, at least one or more rotational advertising apparatuses controllably elevated in a direction parallel to a longitudinal direction of the support pole, a drive unit configured to elevate or lower the rotational advertising apparatus, and a plurality of lift ropes having first ends connected with tops of the rotational advertising apparatuses and second ends connected with the drive unit.
    Type: Application
    Filed: December 25, 2023
    Publication date: April 18, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Chi Back RYU, Min Sik PARK, Kyo Sung JI, In Ho KIM, Sang Hyo KANG, Min Soo KIM, Hee KIM
  • Patent number: D1038091
    Type: Grant
    Filed: June 5, 2021
    Date of Patent: August 6, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Kyo Sung Ji, Chi Back Ryu, Min Soo Kim, Won Jun Park