Patents Assigned to KMW Inc.
  • Patent number: 11735803
    Abstract: The present invention relates to an antenna apparatus, which specifically comprises: a filter unit which is disposed to form at least one layer; an electric appliance unit which is coupled and is spaced apart from the filter unit to form a layer different from that of the filter unit, and includes various electric devices installed therein; a filter unit heat dissipation module which is coupled to the opposite surface of a surface of the filter unit, the surface being coupled to the electric appliance unit, and thus radiates heat generated from the filter unit to the outside; and an electric appliance unit heat dissipation module including a first electric appliance unit heat dissipation module and a second electric appliance unit heat dissipation module, wherein: the first electric appliance unit heat dissipation module is coupled to the opposite surface of a surface of the electric appliance unit, the surface being coupled to the filter unit, and thus radiates, to the outside, heat generated from first heat
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: August 22, 2023
    Assignee: KMW INC.
    Inventors: Chang Woo Yoo, Min Sik Park
  • Publication number: 20230261353
    Abstract: The present disclosure relates to a ceramic waveguide filter for an antenna, which, in particular, includes a housing including a plurality of resonance blocks which are prepared from a dielectric having a predetermined dielectric constant, and some of which are partitioned by an inner partition wall; a plurality of resonators, each resonator being caused to serve as a single resonator by a plurality of resonator posts respectively provided in the plurality of resonance blocks included in the housing; and an input porthole to which an input port is connected to input a signal to any one of the plurality of resonators, and an output porthole to which an output port is connected to output a signal from any one of the plurality of resonators, Since either the input porthole or the output porthole is provided with a notch structure bar integrally formed in the housing, which extends towards the resonator post skipping from the adjacent resonator post among the plurality of resonator posts, advantageously the notc
    Type: Application
    Filed: April 23, 2023
    Publication date: August 17, 2023
    Applicant: KMW INC.
    Inventors: Nam Shin PARK, Jae Hong KIM, Jong Hyeok PARK, Yeon Ho SHIN, Hoon KIM
  • Publication number: 20230253694
    Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF module, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.
    Type: Application
    Filed: April 16, 2023
    Publication date: August 10, 2023
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Young Chan MOON, Nam Shin PARK, Sung Ho JANG, Jae Hong KIM, Joon Hyong SHIM, Bae Mook JEONG, Min Seon YUN, Sung Hwan SO, Yong Won SEO, Oh Seog CHOI, Kyo Sung JI, Chi Back RYU, Seong Min AHN, Jae Eun KIM
  • Publication number: 20230253695
    Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF filter, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.
    Type: Application
    Filed: April 16, 2023
    Publication date: August 10, 2023
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Young Chan MOON, Nam Shin PARK, Sung Ho JANG, Jae Hong KIM, Joon Hyong SHIM, Bae Mook JEONG, Min Seon YUN, Sung Hwan SO, Yong Won SEO, Oh Seog CHOI, Kyo Sung JI, Chi Back RYU, Seong Min AHN, Jae Eun KIM
  • Publication number: 20230253693
    Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF module, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.
    Type: Application
    Filed: April 14, 2023
    Publication date: August 10, 2023
    Applicant: KMW INC.
    Inventors: Duk Yong KIM, Young Chan MOON, Nam Shin PARK, Sung Ho JANG, Jae Hong KIM, Joon Hyong SHIM, Bae Mook JEONG, Min Seon YUN, Sung Hwan SO, Yong Won SEO, Oh Seog CHOI, Kyo Sung JI, Chi Back RYU, Seong Min AHN, Jae Eun KIM
  • Publication number: 20230246337
    Abstract: The present disclosure relates to a cavity filter assembly and, particularly, comprises: a filter body having a cavity, which is a predetermined space therein; and at least one resonance bar having a front end surface that forms a stamped part, which is a protruding surface protruding from the bottom surface of the filter body toward the cavity so as to be parallel to the bottom surface of the filter body in the cavity, for frequency tuning in the cavity, and having a tuning correction hole that penetrates the stamped part, wherein the resonance bar allows frequency tuning to be performed in the cavity through stamping on the outer surface of the stamped part from the outside of the filter body, and the tuned frequency can be corrected through the tuning correction hole, and thus the advantages of reducing the total weight and component costs of an antenna device and improving product productivity are provided.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 3, 2023
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Kwang Nam JEON, Jung Hee WON, Jong Min PARK, Haeng Seok CHOI, Seong Cheon JO, Jong Youn JUNG
  • Publication number: 20230246319
    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: Application
    Filed: April 5, 2023
    Publication date: August 3, 2023
    Applicant: KMW INC.
    Inventors: Seong-man Kang, Yong Hee Han, Sung-hwan So, Dae-myung Park, Hae Ri Roh, Gyo Jin Jo, Chang Won Seo
  • Publication number: 20230238675
    Abstract: The present invention relates to an RF filter assembly for an antenna. Particularly, the RF filter assembly for an antenna comprises: a main board on which a plurality of electronic components are mounted; a plurality of RF filters which are installed on one surface of the main board; and a filter support member which is disposed between the main board and the plurality of RF filters, is made of a metal material, and separates each of the plurality of RF filters in the direction of the one surface of the main board. Thereby, the present invention provides advantages of preventing the occurrence of cracks in solder cream caused by differences in thermal expansion coefficients between the main board and each RF filter, and also, enabling a more precise RF filter arrangement, and improving product reliability.
    Type: Application
    Filed: February 25, 2023
    Publication date: July 27, 2023
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20230223702
    Abstract: The present invention relates to a cavity filter for an antenna, specifically to a cavity filter comprising: a filter body having a plurality of cavities which are open at one side and are divided by a partition wall; a resonance bar installed at each of the plurality of cavities; a resonance bar boss into which a part of the resonance bar is inserted and which is provided such that the resonance bar is installed at the cavity; and a tolerance management stopper part which is disposed between an inner peripheral surface of the resonance bar boss and an outer peripheral surface of the resonance bar to perform stop-and-moving functions in an insertion direction of the resonance bar in designing the tolerance of the cavity, thereby providing the advantage of improving a production yield of an entire product.
    Type: Application
    Filed: February 26, 2023
    Publication date: July 13, 2023
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Won Tai KIM
  • Publication number: 20230223670
    Abstract: The present invention relates to an RF filter assembly for an antenna and, particularly, comprises: a plurality of band pass filters (BPFs); a filter board which is arranged to be stacked on the front surface of a main board and which mediate the coupling of the band pass filters for the front surface of the main board; low pass filters (LPFs) intaglio- or embossed-printed on front surface of the filter board; and an air layer formation pad arranged between the filter board and the band pass filters to form a predetermined air layer between the front surface of the filter board and rear surfaces of the band pass filters, and thus the overall performance of a filter product can be improved by minimizing insertion loss of a filter.
    Type: Application
    Filed: February 25, 2023
    Publication date: July 13, 2023
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • 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
  • Patent number: 11677195
    Abstract: The present disclosure relates to a coaxial connector, and particularly, a coaxial connector including a fixing module which is connected to a first PCB, and a contact module which is coupled movably to the fixing module, and provided to be contactable to a second PCB facing the first panel, in which the contact module includes a contact body which is made of a conductive material, and has a hollow formed therein, a contact pin which is made of a conductive material, and disposed to penetrate the hollow of the contact body, and a contact insulator which is disposed in the hollow of the contact body to insulate the contact pin and the contact body by partitioning the contact pin and the contact body, and the contact module is configured so that the contact body, the contact pin, and the contact insulator are integrally formed to be assembled to the fixing module by a singular process, thereby providing the advantages which may reduce the cost of a product, and improve the quality of the product by improving a
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: June 13, 2023
    Assignee: KMW INC.
    Inventors: Nam Shin Park, Joung Hoe Kim, Jin Hoon Lim, Min Hee Lee, Ho Jin Hwang
  • Publication number: 20230178874
    Abstract: Provided is a clamping apparatus, for an antenna, having a simpler structure and reduced in size by having mechanisms for rotating the antenna in the vertical direction and horizontal direction integrating into one. To this end, the clamping apparatus for an antenna according to the present invention comprises: a tilting bracket connected to the antenna to support the antenna; a base bracket provided on a support pole and protruding toward the antenna; an integrating housing having the tilting bracket coupled thereto so as to rotate in the vertical direction and coupled to the base bracket so as to rotate in the horizontal direction; a tilt driving unit for rotating the tilting bracket in the vertical direction; and a rotation driving unit for rotating the integrating housing in the horizontal direction, wherein the tilt driving unit and rotation driving unit are disposed inside the integrating housing.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 8, 2023
    Applicant: KMW INC.
    Inventors: In Ho KIM, Dae Myung PARK
  • Patent number: 11652263
    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: January 10, 2021
    Date of Patent: May 16, 2023
    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: 11646481
    Abstract: The present disclosure relates to an MIMO antenna apparatus, and in particular, includes a PCB having at least one heat-generation element provided on one surface thereof, a first heat-dissipation part disposed to cover one surface of the PCB, having a through hole formed in a portion corresponding to the position provided with the heat-generation element, and having a plurality of vertical heat-dissipation fins formed to be extended in a direction perpendicular to the outside surface thereof, and a second heat-dissipation part detachably coupled to the through hole to contact one surface of the heat-generation element to receive heat from the heat-generation element and to dissipate heat at a long distance father than the first heat-dissipation part, thereby enhancing heat-dissipation performance and expanding universality of a product.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: May 9, 2023
    Assignee: KMW INC.
    Inventors: Chang Woo Yoo, In Ho Kim, Min Sik Park, Hye Yeon Kim
  • Patent number: D983774
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: April 18, 2023
    Assignee: KMW INC.
    Inventors: In Ho Kim, Hyoung Seok Yang, Jin Soo Yeo, Yong Hee Han, Seong Man Kang
  • Patent number: D985545
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: May 9, 2023
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chi Back Ryu, Min Soo Kim
  • Patent number: D985546
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: May 9, 2023
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chi Back Ryu, Min Soo Kim
  • Patent number: D986230
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: May 16, 2023
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chi Back Ryu, Min Soo Kim
  • Patent number: D995499
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: August 15, 2023
    Assignee: KMW INC.
    Inventors: Kyo Sung Ji, Chi Back Ryu, Min Soo Kim