Abstract: The present invention relates to a heat dissipation apparatus comprising: an evaporation plate assembly configured to be in surface thermal contact with a heat-generating surface of a heat-generating element to receive heat, and to define a storage part storing a liquid refrigerant of refrigerant; a plurality of condensation plate assemblies coupled to the evaporation plate assembly and configured to provide a refrigerant flow space in which a vapor-phase refrigerant, phase-changed in the storage part, is diffused and condensed; and a mounting panel configured to cover the storage part of the evaporation plate assembly and to mediate coupling of the plurality of condensation plate assemblies to the evaporation plate assembly; wherein a sintered block configured to receive heat of a predetermined temperature or higher from the heat-generating element and to evaporate the liquid refrigerant into the vapor-phase refrigerant is disposed inside the storage part of the evaporation plate assembly.

Abstract: A heat dissipation apparatus according to the present invention comprises: a first-side heat-conducting panel provided as a metal panel member; a second-side heat-conducting panel provided as a metal panel member and forming, together with the first-side heat-conducting panel, a refrigerant flow space in which a refrigerant undergoes a phase change and flows; and a bonding medium frame body provided to mediate bonding of edge portions of the first-side heat-conducting panel and the second-side heat-conducting panel, and thus the present invention maximizes heat dissipation performance and greatly enhances product productivity.

Abstract: An antenna apparatus comprises 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; and 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.

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.

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.

Abstract: A clamping apparatus for an antenna is disclosed. The present disclosure according to at least one embodiment provides a clamping apparatus for an antenna, including a housing having one side that is coupled to a support pole, a driving unit including a motor and a gearbox connected to the motor, and housed within the housing, a shaft connected to the driving unit and rotating in conjunction with a rotational motion of the motor, a nut coupled to the shaft and moving in a direction parallel to a direction of extension of the shaft in accordance with the rotational motion of the shaft, at least one pivot unit pivoting about a pivot axis in response to a linear movement of the nut, and a pivot bracket unit pivoting in conjunction with a pivoting movement of the at least one pivot unit, and having one end for coupling with an antenna module so that the antenna module rotates about the pivot axis in response to the pivoting movement of the at least one pivot unit.

Abstract: According to an embodiment of the present disclosure, provided is a radiation element structure arranged on a reflective plate, comprising: a radiation unit including a dielectric portion made from plastic material and first to fourth radiation arms arranged in a four-sided symmetrical structure on one surface of the dielectric portion; and a plurality of balun units, including a balun body connecting the reflective plate and the radiation unit, a feed line disposed on the upper surface of the balun body to feed the radiation unit, and a ground disposed on the lower surface of the balun body.

Abstract: The present disclosure relates to a radiating element for antennas, and more particularly, to a radiating element including a base panel stacked and coupled parallel to a front surface of a reflecting panel, and at least one dipole bent and extended from the base panel in respective different directions to radiate different polarized beams, thereby improving antenna gain and reducing the weight of a product.

Abstract: The present invention relates to a clamping apparatus for a support pole of a radio unit (RU) and, particularly, to a clamping apparatus s for a support pole of an RU comprising: a pole-side clamp, which is fixed to the support pole and has a locking hole recessed downward from the top thereof; and an RU-side clamp having the front end fixed to the RU, and having, at the rear end thereof, a locking pad inserted from the top toward the bottom into the locking hole of the pole-side clamp to be fixed therein, wherein the locking hole and the locking pad are inclined such that the front-to-back width gradually narrows in the direction of gravity, and thus the RU is easily attached to the support pole and each antenna device is easily oriented.

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.

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.

Abstract: The present invention relates to a clamping apparatus for an antenna, and particularly, an upper end of an antenna installation bracket is connected, on at least one point, to an upper support bracket part so as to be steered and rotated by means of a pair of tilting link members, a tilting driving unit, and a steering driving unit, and a lower end of the antenna installation bracket is connected, on at least one point, to a lower support bracket part so as to be steered and rotated, which may stably install an antenna device on a support pole and enable a miniaturization design of a product.

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.

Abstract: The present invention relate to an antenna apparatus, and more particularly, to an antenna apparatus including an antenna housing part formed in a form of an enclosure opened at a front side thereof, a board assembly disposed to be tightly attached to an internal space defined by the antenna housing part, and a plurality of antenna RF modules arranged on a front surface of the board assembly, in which the antenna housing part is divided into at least three components, and the components are manufactured and then coupled to one another to prevent distortion caused by thermal stress between upper and lower ends due to a difference in heat generation amount between heating elements mounted on the board assembly, thereby preventing the antenna housing part from being distorted by thermal stress caused by imbalance of heat generated from the heating elements, and solving a PIMD problem by preventing an unintended movement and clearance of the internal antenna RF modules.

Abstract: A heat dissipation apparatus comprises: a first-side heat-conducting panel; a second-side heat-conducting panel bonded to the first-side heat-conducting panel and forming, with the first-side heat-conducting panel, a refrigerant flow space in which a refrigerant is filled and undergoes phase change; and a sintered body column assembly disposed on the refrigerant flow space, wherein the sintered body column assembly comprises: a plurality of condenser sintered body columns disposed at a portion corresponding to a condensation end that is involved in condensation of the refrigerant through heat exchange with outside air in the refrigerant flow space; and an evaporator sintered body base disposed at an evaporation end, which is a portion of the refrigerant flow space excluding the condensation end and is closer to heat-generating elements, and connected to at least one of the plurality of condenser sintered body columns, thereby maximizing heat dissipation performance and improving bonding force.

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.

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.

Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including fixing bracket parts provided at upper and lower sides of a support pole to mediate installation of an antenna device on the support pole, an antenna installation bracket configured to mediate installation of the antenna device at a front side, a steering driving unit connected to the fixing bracket part and configured to operate to steer and rotate the antenna device, and a tilting driving unit having an upper end hingedly connected to the steering driving unit and a lower end hingedly connected to an upper end of a rear surface of the antenna installation bracket by means of a pair of tilting link members, the tilting driving unit being configured to tilt and rotate the antenna device, in which the clamping apparatus may further include a backlash reduction design shape for reducing the occurrence of mechanical backlash noise caused by an eccentric load of the antenna device, thereby suppressing the occurr

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.

Abstract: A heat dissipation apparatus according to the present invention includes: a first-side heat-conducting panel provided as a metal panel member; and a second-side heat-conducting panel provided as a metal panel member, wherein the first-side heat-conducting panel and the second-side heat-conducting panel have bent edge portions that are surface-bonded to each other to define a refrigerant flow space in which a refrigerant flows while undergoing phase change, and wherein the bent edge portion of one of the first-side heat-conducting panel and the second-side heat-conducting panel is arranged such that at least a portion thereof overlaps in a thickness direction of the refrigerant flow space with the bent edge portion of the other so as to enable the mutual surface bonding, thereby providing the advantages of maximizing heat dissipation performance and preventing injury to workers during product manufacturing.