Kmw Inc

Other

Samsung Electronics Co., Ltd.

Min Sik Park

Chang Woo Yoo

Duk Yong Kim

Jun Woo Yang

In Ho Kim

Nam Shin Park

Min Seon Yun

Young Chan Moon

Bae Mook Jeong

Jin Soo Yeo

Hye Yeon Kim

Sung Ho Jang

Bum Sik Park

Jin Woo Kim

Sangyoon Lee

Hyun Do Choi

Jeonghun Kim

Youngjin Park

Jun-Won Jang

Jaejun Chang

Joon-Kee Cho

Taesin Ha

Byung-Kwon Choi

Hyunjeong Jeon

Dongseon Lee

Younsuk Choi

Youngchun Kwon

Wooram Hong

Bosung Kim

Gahee Kim

Won Je Choi

Hyukju Kwon

Won Seok Oh

Hyungtae Seo

Dal Heo

Bung Chul Kim

Hee Seok Kim

Kyo Sung Ji

Chi Back Ryu

Yong Tae Park

Min Woo Park

Sang Hyo Kang

Jeung Ja Jung

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.

Multi-functional support pole assembly

According to one aspect of the present invention, provided is a balancing system comprising: an elevator winding drum connected to an elevator car; a center gear part connected to a first driving shaft of the elevator winding drum and including a first center gear; and an outer gear part including a first outer gear which contacts and rotates with the first center gear, and, when the elevator winding drum receives force in a first direction by the elevator car, the center gear part applies force with respect to the elevator winding drum in the opposite direction of the first direction by the force applied from the outer gear part.

Balancing apparatus and balancing system comprising same

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.

Wireless communication device

A sealing structure may include a lid including a first lid face, a second lid face opposite to the first lid face, and a fragile area between the first lid face and the second lid face, a cover including a first cover face facing the second lid face and covering the fragile area and a second cover face opposite to the first cover face, wherein a first distance between the second lid face and the first cover face is substantially equal to or less than a second distance between the first cover face and the second cover face, and a connector configured to connect the lid and the cover.

Sealing structure and material containing device including the same

A heat exchanger is provided. The heat exchanger includes a target area that is a target for heat exchange; and a flow path structure. The flow path structure includes at least one inlet; at least one outlet; a first flow path connected to each of the at least one inlet and the at least one outlet, and extending along a first side of the target area; and a second flow path connected to each of the at least one inlet and the at least one outlet, and extending along a second side, different from the first side, of the target area.

Heat exchanger and heat exchanging system comprising the same

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 heating elements intensively disposed at one side of the filter unit; and the second electric appliance unit heat dissipation module is provided in parallel to the first electric appliance unit heat dissipation module and radiates, to the outside, heat generated from second heating elements intensively disposed at the other side of the filter unit. Accordingly, the present invention provides advantages of improving assembling performance and maximizing heat dissipation performance.

Antenna apparatus

Provided is a multiple-input multiple-output (MIMO) antenna having a lightweight stacked structure. According to one aspect of the present invention, there is provided a MIMO antenna assembly having a lightweight stacked structure, in which a calibration network, which was provided between antenna elements and filters in the related art, is provided on one printed circuit board (PCB), together with a power amplifier and a digital circuit, and filters are closely coupled to the bottom of the PCB on which the feeding network is provided. The present invention employs a strategy in which an antenna assembly is reduced to a compact size while managing phase deviation caused due to filters at an acceptable level. According to another aspect of the present invention, there is provided a calibration method, in which transmission/reception (TX/RX) calibration may be performed by a single calibration hardware component of a MIMO antenna operated by a time division duplex (TDD) scheme and may be performed in real time during the operation of the MIMO antenna, and the MIMO antenna employing the calibration method.

MIMO antenna assembly having stacked structure

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.

Multiple input multiple output antenna apparatus

The present disclosure relates to a heat-radiating mechanism for an antenna device, and particularly, includes: a plurality of communication elements generating predetermined heat upon electrical operation, a heat-radiating combined case having the plurality of communication elements accommodated in one surface thereof and a plurality of heat-radiating ribs integrally formed on the other surface thereof, and an antenna board mounted with the plurality of communication elements on one surface of the heat-radiating combined case, in which the plurality of heat-radiating ribs are formed such that the rising airflow formed by being heat-radiated from the relatively lower portion of the heat-radiating combined case is exhausted to be inclined upward to the left and right outsides of the heat-radiating combined case in the width direction from the relatively upper position, thereby improving the heat-radiating performance of the antenna device.

Heat-radiating mechanism for antenna device

A cooling apparatus for an electronic element is provided. The cooling apparatus includes a printed circuit board, a housing main body, an additional cooling part, and a heat transfer part. The printed circuit board includes one surface and another surface. A plurality of electronic elements are provided on the one surface of the printed circuit board. The housing main body includes an inner surface and an outer surface. The another surface of the printed circuit board is attached to the inner surface of the housing main body, and the outer surface of the housing main body has a plurality of first cooling ribs provided to protrude therefrom. The additional cooling part is disposed to be spaced apart from the outer surface of the housing main body, and dissipates heat transferred from the housing main body. The heat transfer part has one end connected to the outer surface of the housing main body and another end connected to the additional cooling part to transfer heat generated from the plurality of electronic elements to the additional cooling part.

Cooling apparatus for electronic element

A printed circuit board includes one surface on which a plurality of electronic elements are mounted, at least one of the plurality of electronic elements generating heat during its operation, a board case which accommodates the printed circuit board, a cooling cover which has an inner surface and an outer surface, and a plurality of radial cooling bodies each formed to extend from the outer surface of the cooling cover so as to be inclined upward and configured to receive the heat generated from the printed circuit board to dissipate the heat externally. The inner surface of the cooling cover is in close contact with another surface of the printed circuit board while covering the board case. Each of the plurality of radial cooling bodies includes a unit heat pipe. The unit heat pipe includes one end which is connected to the outer surface of the cooling cover and another end to which a plurality of cooling ribs are formed to extend outward in a radial direction from an outer circumferential surface of the another end of the unit heat pipe.

The present disclosure relates to a multiple-input and multiple-output antenna apparatus, and particularly, includes a housing, a ray dome which is coupled to the top of one side of the housing in a longitudinal direction, and has an antenna assembly disposed between the ray dome and the housing, a PCB assembly which is disposed at the bottom of the antenna assembly, a top cooling part which is coupled to the top of the other side of the housing in the longitudinal direction, has a battery and an FPGA assembly disposed between the top cooling part and the housing, and dissipates upward the heat discharged from the FPGA assembly, and a side cooling part which is coupled to protrude to one side in a width direction between the housing and the top cooling part and the other side in the width direction therebetween, and moves and dissipates the heat generated from the FPGA assembly to one side and the other side of the housing in the width direction, thereby improving cooling performance.

Multiple-input and multiple-output antenna appartus

The present disclosure relates to a multi input and multi output antenna apparatus. The multi input and multi output antenna apparatus may include: an antenna board having a plurality of antenna elements arranged on a front surface thereof; and a transmitting/receiving module board having a plurality of first heat generation elements provided on a front surface thereof and a plurality of second heat generation elements provided on a rear surface thereof, and disposed to have a separation space from the antenna board. The heat generated from the plurality of first heat generation elements may be radiated to the front of the transmitting/receiving module board, and the heat generated from the plurality of second heat generation elements may be radiated to the rear of the transmitting/receiving module board.

Multi input and multi output antenna apparatus

Provided is an antenna device including a first antenna body, and a power supply module detachably attached to the first antenna body. The power supply module is provided on a fastening region of a first radiation fin of the first antenna body.

Antenna device

Growing community of inventors

Hwaseong-si, South Korea

Min Sik Park