Patents by Inventor Chi-Back Ryu

Chi-Back Ryu 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: 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
  • 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: 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
  • 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: 20240120637
    Abstract: The present invention relates to a mounting apparatus for an antenna device on a support pole. Particularly, the apparatus comprises: a support clamp installed on a support pole; and a directivity adjustment part comprising a tilting means and a steering means, the tilting means, for two or more antenna devices coupled via the support clamp so as to be spaced apart in the vertical direction, tilting the two or more antenna devices at the same time or at different times in the front/rear direction via a left/right tilting axis, and the steering means steer-rotating the two or more antenna devices in the left/right direction with respect to a vertical axis, wherein, of the directivity adjustment part, the tilting means is provided so that tilt-rotation is manually adjusted by a worker or is automatically adjusted by a power supply, and thus the advantages of not only reducing costs but also easily adjusting the directivity of the antenna devices are provided.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, In Ho KIM, Kyo Sung JI, Chi Back RYU, Dae Myung PARK, Min Sik PARK
  • 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
  • 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
  • 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
  • Publication number: 20240014573
    Abstract: A quad-polarized antenna system according to the present invention comprises a plurality of RF chains, and an antenna array in which rows of first dual-polarized antenna units and rows of second dual-polarized antenna units are alternately arranged in a horizontal direction. The first dual-polarized antenna unit and the second dual-polarized antenna unit have different dual polarization characteristics from each other. The rows of first dual-polarized antenna units are used to form at least one first beam and at least one second beam which have +/?45° polarizations, and the rows of second dual-polarized antenna units are used to form at least one third beam and at least one fourth beam which have 0°/90° polarizations. The first beam, the second beam, the third beam, and the fourth beam are formed towards different spatial directions, and the first and third beams correspond to main lobes, and the second and fourth beams correspond to grating lobes.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 11, 2024
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Sung Hwan SO, Oh Seog CHOI, Seong Man KANG, Hyoung Seok YANG, Yong Won SEO, Myung Hwa KIM, Yeong Min LEE, Kyo Sung JI, Chi Back RYU
  • Publication number: 20230344109
    Abstract: Proposed are an antenna RF module and an antenna apparatus including the antenna RF modules. The antenna RF module includes an amplification unit module which is arranged between a main board and an RF filter and into which at least one analog amplification element is built.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Young Chan MOON, Joon Hyong SHIM, Sung Hwan SO, Bae Mook JEONG, Min Seon YUN, Kyo Sung JI, Chi Back RYU, Sung Ho JANG, Jae Hong KIM, Oh Seog CHOI, Yong Won SEO
  • 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