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公开(公告)号:US20240380110A1
公开(公告)日:2024-11-14
申请号:US18781984
申请日:2024-07-23
Applicant: KMW INC.
Inventor: 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
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.
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公开(公告)号:US20240141673A1
公开(公告)日:2024-05-02
申请号:US18406142
申请日:2024-01-06
Applicant: KMW INC.
Inventor: Duk Yong KIM , In Ho KIM , Sang Hyo KANG , Kyo Sung JI , Chi Back RYU , Min Sik PARK , Hee KIM
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.
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公开(公告)号:US20240088553A1
公开(公告)日:2024-03-14
申请号:US18518625
申请日:2023-11-24
Applicant: KMW INC.
Inventor: 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
IPC: H01Q1/52
CPC classification number: H01Q1/526
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.
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公开(公告)号:US20230021186A1
公开(公告)日:2023-01-19
申请号:US17947127
申请日:2022-09-18
Applicant: KMW INC.
Inventor: Duk Yong KIM , Jin Soo YEO , Kyu Chul CHOI , In Hwa CHOI , Youn Jun CHO , Jeong Hyun CHOI , Jae Hyun PARK
Abstract: The present invention relates to a heat dissipation device for an electronic element, the heat dissipation device including a first chamber in which a printed circuit board having heating elements mounted thereon is disposed, a second chamber configured to exchange heat with heat transferred from the first chamber and configured such that an injection part configured to inject a refrigerant and a refrigerant supply part configured to supply the refrigerant to the injection part are disposed in the second chamber, a heat transfer part disposed between the first chamber and the second chamber and configured to receive heat from the heating elements of the first chamber and supply the heat to the second chamber, and a condensing part configured to condense the refrigerant injected into the second chamber, in which a plurality of evaporation-inducing ribs is provided on a surface of the heat transfer part exposed to the second chamber and allows the liquid refrigerant injected by the injection part to be adsorbed and then flow downward along wave-pattern flow paths having zigzag shapes, thereby providing an advantage of improving heat dissipation performance without increasing a size thereof.
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公开(公告)号:US20220094386A1
公开(公告)日:2022-03-24
申请号:US17540286
申请日:2021-12-02
Applicant: KMW INC.
Inventor: Duk Yong KIM , Min Seon YUN , Bae Mook JEONG , Chang Seob CHOI , Su Won LEE
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.
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公开(公告)号:US20250132484A1
公开(公告)日:2025-04-24
申请号:US18986737
申请日:2024-12-19
Applicant: KMW INC.
Inventor: Duk Yong KIM , Kyo Sung JI , Hee KIM
IPC: H01Q1/12
Abstract: The present invention relates to a small cell base station antenna apparatus and, more particularly, comprises: a rotatable housing having an internal space open in the back/forth direction; a steering ball joint unit coupled to the rear side of the open internal space of the rotatable housing and guiding the rotatable housing to enable steering rotation in thereof the horizontal direction with reference to an arbitrary rotation center point in the internal space of the rotatable housing; a tilting ball joint unit which is coupled to the front side of the open internal space of the rotatable housing, and tilted and rotated in the vertical direction while the front end thereof, to which an antenna module is coupled, is guided by the rotatable housing with reference to the arbitrary rotation center point of the internal space; and a multi-strand coaxial cable provided for electrical connection between a radio unit (RRH) and the antenna module.
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公开(公告)号:US20240128630A1
公开(公告)日:2024-04-18
申请号:US18398305
申请日:2023-12-28
Applicant: KMW INC.
Inventor: 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
CPC classification number: H01Q1/1242 , H01Q1/02
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.
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公开(公告)号:US20240079755A1
公开(公告)日:2024-03-07
申请号:US18389274
申请日:2023-11-14
Applicant: KMW INC.
Inventor: Duk Yong KIM , Kyo Sung JI , Chi Back RYU
CPC classification number: H01Q1/02 , H01Q1/42 , H05K7/20409
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 surface of the antenna housing portion and services as a medium for the face-to-face installation on a perpendicularly arranged installation wall surface to thereby provide the advantage of the reducing the spatial constraints on the installation wall surface.
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公开(公告)号:US20230327327A1
公开(公告)日:2023-10-12
申请号:US18204462
申请日:2023-06-01
Applicant: KMW INC.
Inventor: 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 , Won Jun PARK
Abstract: The present disclosure relates to an antenna apparatus, and especially comprises: a main body module in which a main board is mounted; an RF module which is fixed to the front so that an intermediate outside air layer is formed between the RF module and the main body module, and in which an RF filter unit and an antenna element unit are mounted; and an amplification unit module which is disposed so as to be exposed in the intermediate outside air layer between the main body module and the RF module, and comprises an amplification unit substrate having analog amplification elements mounted thereon, wherein heat generated from heating elements mounted on the main board is dissipated through at least any one of the front and back of the main body module, and heat generated from the amplification unit module is directly dissipated through the intermediate outside air layer, and thus the advantage of enabling maximum heat dissipation performance is provided.
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公开(公告)号:US20230291117A1
公开(公告)日:2023-09-14
申请号:US18199336
申请日:2023-05-18
Applicant: KMW INC.
Inventor: Duk Yong KIM , Young Chan MOON , Nam Shin PARK , Sung Ho JANG , Jae Hong KIM , Joon Hyong SHIM , Bae Mook JEONG , Min Seon YUN , Seong Min AHN , Jae Eun KIM , Sung Hwan SO , Yong Won SEO , Oh Seog CHOI , Kyo Sung JI , Chi Back RYU
Abstract: The present disclosure relates to an antenna RF module and an antenna apparatus including the antenna RF modules. The antenna RF module includes an RF filter arranged on a front surface of a main board, a radiation element module arranged on a front surface of the RF filter, at least one reflector grill pin arranged between the RF filter and the radiation element module and grounding (GND) the radiation element module, outside air being introduced from in front of the RF filter to in back of the RF filter or being discharged from in back of the RF filter to in front of the RF filter through the at least one reflector grill pin, and a radome combined with the front surface of the RF filter and protecting the radiation element module from the outside.
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