Patents Assigned to KMW Inc.
  • Publication number: 20240308006
    Abstract: According to at least one aspect, the present disclosure provides A method for manufacturing a heating element cooling structure, the method comprising: manufacturing an upper plate, which includes a plurality of column units, by using a press mold method; manufacturing a lower plate by using the press mold method; forming a wick unit at one or more of an inner surface of the upper plate and an inner surface of the lower plate by using a laser; and bonding the upper plate and the lower plate to each other.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 19, 2024
    Applicant: KMW INC.
    Inventors: Kang Hyun LEE, Hyung Seok KIM, Hang Hyeon CHO, Jong Min LEE, Jae Ho JANG
  • Patent number: 12095138
    Abstract: The present invention relates to a clamping apparatus for an antenna and, particularly, to a clamping apparatus for an antenna, comprising: an arm unit which is coupled to a support pole vertically provided in the up-and-down direction and extends in the horizontal direction with respect to the support pole; a clamping unit having one end provided with an antenna device and the other end coupled to the distal end of the arm unit, wherein the clamping unit is provided to be rotatable leftward and rightward or to be tiltable upward and downward, so as to rotate the antenna device; and a rotation-auxiliary mounting unit coupled onto the support pole corresponding to the lower part of the arm unit, wherein when a rotation angle of the arm unit is changed, the rotation-auxiliary mounting unit rotatably supports the arm unit in the rotation direction of the arm unit while supporting the weights of the arm unit and the antenna device.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: September 17, 2024
    Assignee: KMW INC.
    Inventors: Seong Man Kang, Hyoung Seok Yang, In Ho Kim, Dae Myung Park, Su Yong Lee
  • Publication number: 20240283126
    Abstract: The present invention relates to a clamping apparatus for an antenna device, the clamping apparatus including an antenna mounting bracket coupled to a rear surface of an antenna device and configured to support the antenna device, a steering drive unit coupled to be rotatable in a horizontal direction relative to a support pole mounting bracket installed on a support pole, a tilting drive unit movably coupled to the steering drive unit, and at least one tilting link member configured to rotate the tilting drive unit relative to the steering drive unit and move the antenna mounting bracket relative to the tilting drive unit during tilting and steering operations, thereby providing an advantage of ensuring a maximum of tilting adjustment range of the antenna device.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Applicant: KMW INC.
    Inventors: In Ho KIM, Hee KIM, Dae Myung PARK, Young Ji HONG, Ju Hun LEE, Jae Woo CHOI, Woo Kyung LEE, Gyeong Tae KIM
  • Patent number: 12068515
    Abstract: The present invention relates to a cavity filter and a connecting structure included therein.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: August 20, 2024
    Assignee: KMW INC.
    Inventors: Nam Shin Park, Joung Hoe Kim, Sung Ho Jang
  • Patent number: 12062829
    Abstract: The present invention relates to a cooling device for an antenna apparatus. Particularly, the cooling device comprises a heat-dissipating cover which has an inner surface exposed to a thermal space and an outer surface exposed to the outside where outside air flows, and multiple wave heat-dissipating fins which are disposed in multiple rows on the outer surface of the heat-dissipating cover so as to be thermally conductive, and form curved surfaces that are continuous from the outer surface of the heat-dissipating cover to a discretionary height, in which the horizontal cross-sections at the discretionary height have straight-line shapes in which same are rotated by a predetermined angle in any one direction from the horizontal cross-sections on the outer surface of the heat-dissipating cover. Therefore, the present invention provides the advantage of enhancing heat-dissipating performance.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: August 13, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Jin Soo Yeo
  • Patent number: 12057643
    Abstract: The present invention relates to an antenna clamping device and a method of controlling the same, and particularly, the antenna clamping device includes a tilting rotation motor configured to rotate an antenna in a vertical direction, a tilting rotation prevention motor configured to lock or unlock a vertical rotation of the antenna, a rotating rotation motor configured to rotate the antenna in a horizontal direction, a rotating rotation prevention motor configured to lock or unlock a horizontal rotation of the antenna, and a controller configured to adjust a direction of the antenna by controlling the tilting rotation motor, the tilting rotation prevention motor, the rotating rotation motor, and the rotating rotation prevention motor, thereby improving operation convenience.
    Type: Grant
    Filed: February 13, 2022
    Date of Patent: August 6, 2024
    Assignee: KMW INC.
    Inventors: Min Seon Yun, Gyeong Tae 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
  • Publication number: 20240250452
    Abstract: A quadruple polarization antenna apparatus comprising: first dual-polarization antenna element; a second dual-polarization antenna element disposed below the first dual-polarization antenna element so that at least a portion overlaps the first dual-polarization antenna element; and a connecting part configured to connect the first dual-polarization antenna element and the second dual-polarization antenna element.
    Type: Application
    Filed: April 4, 2024
    Publication date: July 25, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Young Chan MOON, Sung Hwan SO, Oh Seog CHOI, Yong Won SEO, Hiroyuki ARAI
  • 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: 20240243471
    Abstract: A quadri-polarization diversity antenna system is disclosed. According to embodiments of the present disclosure, an antenna system includes an antenna array including a first column of dual-polarized antenna units and a second column of dual-polarized antenna units. Each of the dual-polarized antenna units includes a first antenna element and a second antenna element perpendicularly crossing each other. In each column, the first antenna elements are conductively connected to form a first subarray and the second antenna elements are conductively connected to form a second subarray. The antenna system further includes an RF matrix that selectively adjusts phases of RF input signals to generate RF output signals provided to the subarrays. When the RF output signals are radiated by the dual-polarized antenna units, a first beam with +/?45° polarizations and a second beam with 0°/90° polarizations are formed, and the first beam and the second beam are formed toward spatially different directions from each other.
    Type: Application
    Filed: March 27, 2024
    Publication date: July 18, 2024
    Applicant: KMW INC.
    Inventors: Sung Hwan SO, Oh Seog CHOI, Hun Jung JUNG, Yong Won SEO, Gyo Jin JO, Soo Bean CHO
  • Publication number: 20240235061
    Abstract: A quadri-polarization diversity antenna system is disclosed. According to embodiments of the present disclosure, an antenna system includes an antenna array including columns of first dual-polarized antenna units arranged on a first plane of an antenna panel and columns of second dual-polarized antenna units arranged on a second plane of the antenna panel. The first plane and the second plane form an obtuse angle with each other. The columns of the first dual-polarized antenna units are used to form a first beam with +/?45 ° polarizations, and the columns of the second dual-polarized antenna units are used to form a second beam with 0°/90° polarizations.
    Type: Application
    Filed: March 26, 2024
    Publication date: July 11, 2024
    Applicant: KMW INC.
    Inventors: Sung Hwan SO, Oh Seog CHOI, Hun Jung JUNG, Gyo Jin JO, Yong Won SEO, Soo Bean CHO
  • Patent number: 12034220
    Abstract: Provided is an antenna device capable of ensuring an installation space for components related to an antenna and eliminating a dead zone of a signal transmitted or received by the antenna by tilting an antenna unit.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: July 9, 2024
    Assignee: KMW INC.
    Inventors: In Ho Kim, Seong Man Kang, Hyoung Seok Yang, Yong Hee Han, Young Ji Hong, Dae Myung Park
  • 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: 12034194
    Abstract: Disclosed is a phase shifter. According to an embodiment of the present invention, provided is a phase shifter comprising: an elongated fixed board unit including one or more fixed circuit boards each having a circuit pattern formed on one surface thereof, a guiding bracket surrounding the fixed board unit and fixed to the fixed board unit, and one or more moving board units disposed between the guiding bracket and at least one surface of the fixed board unit, guided by the guiding bracket, and including one or more moving circuit boards having conductive strips formed thereon that are coupled to the circuit patterns on the fixed circuit boards.
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: July 9, 2024
    Assignee: KMW INC.
    Inventors: Seong-man Kang, Yong Hee Han, Sung-hwan So, Dae-myung Park, Hae Ri Roh, Gyo Jin Jo, Chang Won Seo
  • 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: 20240222851
    Abstract: The present disclosure relates to an antenna apparatus for a base station and an adapter thereof and particularly comprises: an antenna module vertically installed to be spaced forward from a support pole by a predetermined distance so as to have a distancing space therebetween; an RRH installed on the antenna module to be positioned in the distancing space, wherein one of the upper end and the lower end thereof is hinge-coupled to the antenna module and the other of the upper end and the lower end thereof is attached to or detached from a part of the antenna module to enable electrical signal connection or disconnection while being rotated around the hinge; and an adapter for mediating the electrical signal connection and disconnection between the antenna module and the RRH. Therefore, the present disclosure provides advantages of reducing installation time and installation costs.
    Type: Application
    Filed: March 13, 2024
    Publication date: July 4, 2024
    Applicant: KMW INC.
    Inventors: Seong Man Kang, Dae Myung Park, Hyoung Seok Yang, In Ho Kim, Kwang Seok Choi
  • Publication number: 20240222831
    Abstract: The present invention relates to a waveguide filter having an enhanced property of a specific passband through cross coupling using a resonator, and can set cross coupling in a limited space by providing a notch post, simplify the complexity of a filter by allowing the properties or strength of the cross coupling to be changed according to the position or form thereof, and implement various filter performances.
    Type: Application
    Filed: March 13, 2024
    Publication date: July 4, 2024
    Applicant: KMW INC.
    Inventors: Nam Shin PARK, Yeon Ho SHIN
  • Patent number: 12027748
    Abstract: The present disclosure in at least one embodiment provides a wireless communication device support bracket, comprising a fixing unit configured to be fixed to the support pole, a main support unit extending from the fixing unit in a first direction, a sub-support unit extending from one end of the main support unit, and a connection unit rotatably connected to the sub-support unit about at least one rotation axis, the connection unit being configured to be connected with the wireless communication device.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: July 2, 2024
    Assignee: KMW INC.
    Inventors: Yong Hee Han, Jin Soo Yeo
  • Patent number: 12027749
    Abstract: The present invention relates to an antenna clamping device including an antenna clamping unit having a tip portion on which an antenna device is mounted, the antenna clamping unit being configured to perform at least any one of a tilting rotation and a rotating rotation to set directionality of the antenna device and having a rear end inserted and fixed into an opened upper end of the support pole, an insertion-type clamping unit disposed inside the opened upper end of the support pole and configured to mediate the fixed insertion of the antenna clamping unit, the insertion-type clamping unit being pressed and fixed to an inner peripheral surface of the support pole, and a support bracket unit fixedly disposed on an outer peripheral surface of the support pole and configured to fixedly support a lower end of the antenna clamping unit, thereby providing an advantage of improving workability for an onsite installer.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: July 2, 2024
    Assignee: KMW INC.
    Inventors: In Ho Kim, Yong Hee Han
  • 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