Patents Assigned to KMW Inc.
  • Publication number: 20240120650
    Abstract: The present invention relates to a clamping apparatus for an antenna device, and particularly, to a clamping apparatus including a rotation unit configured to rotate an antenna device in a horizontal direction, a tilting unit configured to rotate the antenna device in a vertical direction, and a connection arm configured to install at least one of the rotation unit and the tilting unit on a support pole so that the support pole is not positioned on a horizontal rotation path and a vertical rotation path of the antenna device, thereby reducing an installation space for an antenna device with respect to the support pole.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 11, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, In Ho KIM, Dae Myung PARK, Sang Hyo KANG, Kyo Sung JI, Chi Back RYU
  • Patent number: 11955680
    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: Grant
    Filed: July 8, 2021
    Date of Patent: April 9, 2024
    Assignee: KMW INC.
    Inventors: Nam Shin Park, Yeon Ho Shin
  • Publication number: 20240098880
    Abstract: The present disclosure relates to an electronic device, and more specifically, to an electronic device including a printed circuit board including a heat-generating element arranged on one surface thereof, and a heat transfer coin provided such that one surface of the heat transfer coin comes into contact with a portion of the other surface of the printed circuit board, opposite to the heat-generating element, so as to dissipate heat generated from the heat-generating element. Accordingly, the present disclosure provides an advantage of improving heat dissipation performance without increasing the thickness of the printed circuit board.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicant: KMW INC.
    Inventors: Bae Mook JEONG, Kyo Sung JI, Seong Min AHN, Chi Back RYU, Jae Eun KIM, Seung Min LEE, Ki Hun PARK, Won Jun PARK, Jun Woo YANG
  • Publication number: 20240098885
    Abstract: A communication apparatus is provided to include an apparatus enclosure that includes a substrate seating surface and at least one or more connection grooves formed on the substrate seating surface, a first printed circuit board disposed on the substrate seating surface, a second printed circuit board disposed on the substrate seating surface on one side of the first printed circuit board, and at least one or more connectors disposed within the connection groove and configured to electrically connect the first printed circuit board and the second printed circuit board.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicant: KMW INC.
    Inventors: Bae Mook JEONG, Kyo Sung JI, Seong Min AHN, Chi Back RYU, Jae Eun KIM, Seung Min LEE, Ki Hun PARK, Won Jun PARK, Duk Yong KIM
  • Patent number: 11936116
    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: September 2, 2021
    Date of Patent: March 19, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Young Chan Moon, In Ho Kim, Oh Seog Choi
  • Patent number: 11936417
    Abstract: The present invention relates to a time-division duplex (TDD) antenna apparatus which can reduce signal loss, and thereby minimize the noise figure (NF) of a system and extend uplink coverage of the system, by separating a transmitter circuit from a receiver circuit of the antenna apparatus, and disposing a low noise amplifier (LNA) of the receiver circuit between a reception antenna and a reception filter of the receiver. A time-division duplex antenna apparatus according to an embodiment of the present invention includes: a transmitter which includes at least one transmission antenna module and transmits a downlink signal through a first path; a receiver which includes at least one reception antenna module and receives an uplink signal through a second path that is separated from the first path without any overlapping portions thereof; and a controller which controls the transmitter and the receiver in a time-division duplex manner.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: March 19, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Min Seon Yun, Bae Mook Jeong, Chang Seob Choi, Su Won Lee
  • Publication number: 20240088553
    Abstract: The present invention relates to a signal shielding apparatus and an antenna apparatus including same, and in particular, comprises a shield cover which is stacked and disposed on a printed board assembly (hereinafter, abbreviated to “PBA”), in which a plurality of signal-related components are mounted on one side thereof to prevent leakage of a signal from the plurality of signal-related components, wherein a grooved shield cover seating groove is formed in one surface of the PBA, and an insertion end insertably seated in the shield cover seating groove is integrally formed in the other surface from among one surface and the other surface of the shield cover, the other surface facing the one surface of the PBA, thereby providing advantages in that an increase in the manufacturing cost may be prevented, EMI shielding may be facilitated, and heat dissipation performance may be significantly improved.
    Type: Application
    Filed: November 24, 2023
    Publication date: March 14, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Bae Mook JEONG, Kyo Sung JI, Chi Back RYU, Won Jun PARK, Jun Woo YANG, Seong Min AHN, Ki Hun PARK, Jae Eun KIM
  • Publication number: 20240079755
    Abstract: The present invention relates to an antenna apparatus, particularly comprising: an antenna housing portion which has a predetermined installation space formed therein and is provided with a plurality of front heat dissipation fins protruding to at least one side of the front surface thereof; a main board which is stacked on the installation space of the antenna housing portion and has predetermined heating elements arranged on the front surface thereof, and is mounted to be in thermal contact with the front surface of the antenna housing portion provided with the plurality of front heat dissipation fins; a plurality of filters which form a predetermined layer in front of the main board, and are stacked in a middle portion except for the portion where the plurality of front heat dissipation fins are formed; an antenna element assembly including a plurality of radiation elements stacked in front of the plurality of filters; and an installation plate which is fixed to be in face-to-face contact with the rear sur
    Type: Application
    Filed: November 14, 2023
    Publication date: March 7, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Kyo Sung JI, Chi Back RYU
  • Patent number: 11923615
    Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including a rotation unit configured to rotate an antenna in a horizontal direction, a tilting unit configured to rotate the antenna in a vertical direction, and a rotation/vibration prevention unit configured to adjust a direction of the antenna by rotating at least one of the rotation unit and the tilting unit and prevent the antenna from arbitrarily rotating after the direction of the antenna is adjusted, in which the rotation/vibration prevention unit includes a rotation motor, a worm gear configured to be rotated by the rotation motor, a shaft configured to define at least one rotation center, and a worm wheel gear installed on an outer peripheral surface of the shaft and configured to rotate at least one of the rotation unit and the tilting unit while being rotated by the worm gear, thereby easily adjusting the direction of the antenna by controlling the rotation motor and preventing the antenna with the adjuste
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: March 5, 2024
    Assignee: KMW INC.
    Inventors: In Ho Kim, Seong Man Kang
  • Publication number: 20240072428
    Abstract: The present disclosure in at least one embodiment provides a wireless communication device, comprising a lower case, an upper radome, coupled to the lower case, creating a storage space between the lower case and the upper radome, an antenna disposed in the storage space, and a plurality of internal substrates, disposed between the antenna and the lower case in the storage space, of which one of the plurality of internal substrates is connected to the antenna, wherein each internal substrate of the plurality of internal substrates is disposed along a first direction parallel to a surface of the lower case facing the plurality of internal substrates.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Applicant: KMW INC.
    Inventors: Min Sik PARK, Jun Woo YANG, Bung Chul KIM, In Ho KIM
  • Patent number: 11909094
    Abstract: The present invention relates to a clamping apparatus for an antenna. Particularly, the clamping apparatus comprises: an arm unit which is coupled to a support pole and has a mounting space formed in a tip portion thereof and open in a longitudinal direction; a rotation unit which is detachably mounted in the mounting space of the arm unit and has a tip portion coupled to be rotatable predetermined angle in the left and right directions with respect to a hinge point in the mounting space; a tilting unit which is coupled to the tip portion of the rotation unit so as to be tiltable in the up and down directions and mediates the coupling of an antenna device; and a mounting guide unit which is provided in the rotation unit, and is elastically pressed and then temporarily fixed to the hinge point of the mounting space when the rotation unit is mounted in the mounting space of the arm unit.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: February 20, 2024
    Assignee: KMW INC.
    Inventors: Chang Woo Yoo, Jin Soo Yeo, In-Ho Kim
  • Publication number: 20240047849
    Abstract: The present disclosure relates to a clamping apparatus for an antenna, the apparatus particularly comprising a mounting bracket portion which serves as a medium for coupling of an antenna device to a support pole elongated in a longitudinal direction and an antenna steering driving portion which is coupled to the mounting bracket portion and drives a rear surface of the antenna device to be steered and rotated with respect to the longitudinal direction of the support pole, wherein the antenna steering driving portion includes a pair of moving sticks having a front end coupled to the rear surface of the antenna device, wherein the pair of moving sticks are moved by the same distance or different distances with the support pole therebetween so that the rear surface of the antenna device makes a tilting movement or a rotational movement with respect to the longitudinal direction of the support pole, thereby allowing easy control of the directionality of the antenna device.
    Type: Application
    Filed: October 11, 2023
    Publication date: February 8, 2024
    Applicant: KMW INC.
    Inventors: In Ho KIM, Dae Myung PARK, Young Ji HONG, Hee KIM
  • Publication number: 20240047842
    Abstract: The present invention relates to a switchable filter comprising: a filter unit in which a first filter group for filtering the frequency of a first frequency band is provided on one surface thereof and a second filter group for filtering the frequency of a second frequency band is provided on the other surface thereof on the basis of a center partition wall; and a frequency band switching unit, which moves to be adjacent to or separated from the one surface or the other surface of the filter unit, and thus converts a frequency band into the first frequency band or the second frequency band. Therefore, the deterioration of RF characteristics is prevented and selective conversion between frequency bands is facilitated.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Applicant: KMW INC.
    Inventors: Nam Shin PARK, Joung Hoe KIM, Jung Hee WON, Kwang Nam JEON, Won Jae YOON, Hyung Sun YOON
  • Patent number: 11888207
    Abstract: An antenna apparatus is disclosed, including a lower housing, a middle housing disposed on the lower housing and having one surface formed with one or more first heat dissipation fins, a first accommodation space formed by the lower housing and the middle housing, at least one first heat-generating element disposed in the first accommodation space, one or more heat dissipation supports each disposed on the middle housing and having at least one surface formed with one or more second heat dissipation fins, and an antenna module supported on the one or more heat dissipation supports.
    Type: Grant
    Filed: December 19, 2021
    Date of Patent: January 30, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chang Woo Yoo, Bae Mook Jeong, Min Seon Yun, Jin Soo Yeo
  • Publication number: 20240021987
    Abstract: A wireless communication device is disclosed. According to at least one embodiment of the present disclosure, a wireless communication device is provided, comprising a first antenna housing, a mounting space formed in at least part of the first antenna housing, and a plurality of first antenna elements disposed in the first antenna housing and configured to transmit and receive a first signal.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 18, 2024
    Applicant: KMW INC.
    Inventors: Sung Hwan SO, Sung Man KANG, Cha Gun KANG
  • Patent number: D1012907
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: January 30, 2024
    Assignee: KMW INC.
    Inventors: In Ho Kim, Seong Man Kang, Yong Hee Han, Dae Myung Park, Min Soo Kim
  • Patent number: D1014473
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: February 13, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chi Back Ryu, Min Soo Kim
  • Patent number: D1014474
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: February 13, 2024
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chi Back Ryu, Min Soo Kim
  • Patent number: D1015313
    Type: Grant
    Filed: June 6, 2021
    Date of Patent: February 20, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Kyo Sung Ji, Chi Back Ryu, Min Soo Kim, Won Jun Park
  • Patent number: D1020712
    Type: Grant
    Filed: June 6, 2021
    Date of Patent: April 2, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Kyo Sung Ji, Chi Back Ryu, Min Soo Kim, Won Jun Park