Abstract: A clamping apparatus is provided. The clamping apparatus includes: an arm unit configured to be coupled to a support pole and has a mounting space formed in a tip portion thereof; and a rotation unit comprising a rotating block which is configured to be inserted into the mounting space of the arm unit and tilting unit installing stages provided at an opposite side of the rotating block, wherein the rotating block is configured to be detachably mounted in the mounting space of the arm unit and rotatable about a hinge point in the mounting space at a predetermined angle in a left-right direction. The rotating block comprises a mounting guide unit having an upper surface and a lower surface, and the mounting guide unit comprises a guide tube provided on the lower surface and configured to protrude from the lower surface to penetrate a hinge hole provided on a lower surface of the mounting space of the arm unit at a corresponding location of the hinge point.

Abstract: The present invention relates to a clamping device for an antenna and, in particular, to a clamping device for an antenna which include: an arm unit coupled to a support pole and having a rotating shaft groove opening upward in a front end portion; a rotation unit detachably mounted in the rotating shaft hole of the arm unit and coupled to be rotatable at a predetermined angle in the left and right direction around the rotating shaft hole; and a tilting unit coupled to the front end portion of the rotation unit so as to be tiltable in the vertical direction while mediating coupling of an antenna device. Due to this feature, the clamping device for an antenna provides the advantages of eliminating spatial limitations on a plurality of antenna devices for the support pole and improving workability.

Abstract: A clamping apparatus is provided. The clamping apparatus includes: an arm unit configured to be coupled to a support pole and has a mounting space formed in a tip portion thereof; and a rotation unit comprising a rotating block which is configured to be inserted into the mounting space of the arm unit and tilting unit installing stages provided at an opposite side of the rotating block, wherein the rotating block is configured to be detachably mounted in the mounting space of the arm unit and rotatable about a hinge point in the mounting space at a predetermined angle in a left-right direction. The rotating block comprises a mounting guide unit having an upper surface and a lower surface, and the mounting guide unit comprises a guide tube provided on the lower surface and configured to protrude from the lower surface to penetrate a hinge hole provided on a lower surface of the mounting space of the arm unit at a corresponding location of the hinge point.

Abstract: The present invention relates to a clamping apparatus for an antenna. Particularly, the clamping apparatus comprises: an arm unit which is coupled to a support pole and has a mounting space formed in a tip portion thereof and open in a longitudinal direction; a rotation unit which is detachably mounted in the mounting space of the arm unit and has a tip portion coupled to be rotatable predetermined angle in the left and right directions with respect to a hinge point in the mounting space; a tilting unit which is coupled to the tip portion of the rotation unit so as to be tiltable in the up and down directions and mediates the coupling of an antenna device; and a mounting guide unit which is provided in the rotation unit, and is elastically pressed and then temporarily fixed to the hinge point of the mounting space when the rotation unit is mounted in the mounting space of the arm unit.

Abstract: A membrane humidifier for a fuel cell, of the present invention, comprises: a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; potting parts formed at the ends of the plurality of hollow fiber membranes; an assembly member disposed between the cap case and the end of the middle case so as to provide air tight coupling therebetween; and a protrusion part extending toward the edges of the potting parts from the inside of the cap case so as to provide air tight coupling between the cap case and the potting parts.

Abstract: The present invention relates to an assembly-type cartridge block enabling various types of cartridges, and a hollow-fiber membrane module comprising the same. The assembly-type cartridge block of an embodiment of the present invention comprises: a body part having a plurality of hollow-fiber membranes therein and having mesh parts formed respectively at the upper and lower parts thereof; and a fastening part formed on a side surface of the body part and configured to be fastened to an adjacent assembly-type cartridge block. Further, the hollow-fiber membrane module of an embodiment of the present invention comprises: a housing unit including a first fluid inlet, a first fluid outlet, a second fluid inlet, and a second fluid outlet; and a cartridge unit installed inside the housing unit and formed by fastening a plurality of assembly-type cartridge blocks, each of the assemble type cartridge blocks having a plurality of hollow-fiber membranes therein.

Abstract: A membrane humidifier for a fuel cell is disclosed. The membrane includes a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; a potting part formed at the end portions of the plurality of hollow fiber membranes; and an assembling member disposed between the end portions of the cap case and the middle case, and simultaneously coupling, so as to be airtight, a gap between the cap case and the middle case and a gap between the cap case and the potting part.

Abstract: An antenna assembly including an antenna reflector steering mechanism is disclosed. A reflector steering structure for adjusting the horizontal azimuth of a reflector includes a drive motor disposed on the rear surface of the reflector, a planet gear rotated by the drive motor, and a sectorial rack gear engaged with the planet gear and fixed to a support shaft, thereby achieving a compact design of an entire antenna structure. Further, by applying a structure with enhanced electrical insulation to rolling and slide contact portions of the drive unit and a portion undergoing change in contact pressure, radio performance of the antenna system may be prevented from changing according to steering of the reflector.

Abstract: A base station apparatus of an antenna-integrated type for use in a mobile communication network, includes an enclosure configured to have electric and electronic devices for processing signals in receipt and to form at least a part of an exterior of the base station, and an antenna configured to be installed so as to be tiltable on one surface of the enclosure, to have an outer contour defined by a radome, to include at least one radiating element for transmitting and receiving a radio signal, and an enclosure fixing device configured to fixedly mount the enclosure to an external support, and an antenna fixing apparatus configured to fixedly install the antenna on the enclosure so that the antenna is adjustably tilted with respect to the enclosure.

Abstract: The present invention relates to a clamping apparatus for an antenna. Particularly, the clamping apparatus comprises: an arm unit which is coupled to a support pole and has a mounting space formed in a tip portion thereof and open in a longitudinal direction; a rotation unit which is detachably mounted in the mounting space of the arm unit and has a tip portion coupled to be rotatable predetermined angle in the left and right directions with respect to a hinge point in the mounting space; a tilting unit which is coupled to the tip portion of the rotation unit so as to be tiltable in the up and down directions and mediates the coupling of an antenna device; and a mounting guide unit which is provided in the rotation unit, and is elastically pressed and then temporarily fixed to the hinge point of the mounting space when the rotation unit is mounted in the mounting space of the arm unit.

Abstract: The present invention relates to a clamping device for an antenna and, in particular, to a clamping device for an antenna which include: an arm unit coupled to a support pole and having a rotating shaft groove opening upward in a front end portion; a rotation unit detachably mounted in the rotating shaft hole of the arm unit and coupled to be rotatable at a predetermined angle in the left and right direction around the rotating shaft hole; and a tilting unit coupled to the front end portion of the rotation unit so as to be tiltable in the vertical direction while mediating coupling of an antenna device. Due to this feature, the clamping device for an antenna provides the advantages of eliminating spatial limitations on a plurality of antenna devices for the support pole and improving workability.

Abstract: A membrane humidifier for a fuel cell, of the present invention, comprises: a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; potting parts formed at the ends of the plurality of hollow fiber membranes; an assembly member disposed between the cap case and the end of the middle case so as to provide air tight coupling therebetween; and a protrusion part extending toward the edges of the potting parts from the inside of the cap case so as to provide air tight coupling between the cap case and the potting parts.

Abstract: A base station apparatus of an antenna-integrated type for use in a mobile communication network, includes an enclosure configured to have electric and electronic devices for processing signals in receipt and to form at least a part of an exterior of the base station, and an antenna configured to be installed so as to be tiltable on one surface of the enclosure, to have an outer contour defined by a radome, to include at least one radiating element for transmitting and receiving a radio signal, and an enclosure fixing device configured to fixedly mount the enclosure to an external support, and an antenna fixing apparatus configured to fixedly install the antenna on the enclosure so that the antenna is adjustably tilted with respect to the enclosure.

Abstract: A membrane humidifier for a fuel cell is disclosed. The membrane includes a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; a potting part formed at the end portions of the plurality of hollow fiber membranes; and an assembling member disposed between the end portions of the cap case and the middle case, and simultaneously coupling, so as to be airtight, a gap between the cap case and the middle case and a gap between the cap case and the potting part.

Abstract: The present invention relates to an omnidirectional antenna for a mobile communication service, comprising: a plurality of radiation elements disposed on a horizontal surface with a mutually same angle so as to respectively radiate beams; and a power supply unit for distributing and providing a power supply signal to each of the plurality of radiation elements, wherein each of the plurality of radiation elements has a structure in which a horizontal polarization dipole radiation unit having two radiation arms is coupled to a vertical polarization dipole radiation unit having two radiation arms.

Abstract: A base station apparatus of an antenna-integrated type for use in a mobile communication network, includes an enclosure configured to have electric and electronic devices for processing signals in receipt and to form at least a part of an exterior of the base station, and an antenna configured to be installed so as to be tiltable on one surface of the enclosure, to have an outer contour defined by a radome, to include at least one radiating element for transmitting and receiving a radio signal, and an enclosure fixing device configured to fixedly mount the enclosure to an external support, and an antenna fixing apparatus configured to fixedly install the antenna on the enclosure so that the antenna is adjustably tilted with respect to the enclosure.

Abstract: An electronic device and a control method thereof are provided. The electronic device includes a memory configured to include a non-secure region operating in a normal world and a secure region operating in a secure world, and a processor configured to selectively operate in one of the normal world and the secure world, check integrity of a plurality of code blocks loaded on a first area of the non-secure region while operating in the secure world, and when one of the plurality of code blocks is compromised, change a memory region corresponding to a compromised code block to a secure region, and load an original code block of the compromised code block on a second area of the non-secure region.

Abstract: The present invention relates to an assembly-type cartridge block enabling various types of cartridges, and a hollow-fiber membrane module comprising the same. The assembly-type cartridge block of an embodiment of the present invention comprises: a body part having a plurality of hollow-fiber membranes therein and having mesh parts formed respectively at the upper and lower parts thereof; and a fastening part formed on a side surface of the body part and configured to be fastened to an adjacent assembly-type cartridge block. Further, the hollow-fiber membrane module of an embodiment of the present invention comprises: a housing unit including a first fluid inlet, a first fluid outlet, a second fluid inlet, and a second fluid outlet; and a cartridge unit installed inside the housing unit and formed by fastening a plurality of assembly-type cartridge blocks, each of the assemble type cartridge blocks having a plurality of hollow-fiber membranes therein.

Abstract: A security network system is disclosed. The security network system includes a processor selectively operable in either a normal world or a secure world, wherein the processor receives, from an external network, a packet by using a network driver module of the secure world, extracts data of the packet by using a TCP/IP module of the secure world if the packet received from the external network is used in the secure world, uses the data of the packet in the secure world, and extracts the data of the packet by using the TCP/IP module of the secure world so as to transmit the data of the packet to the normal world if the packet is not used in the secure world.

Abstract: An antenna assembly including an antenna reflector steering mechanism is disclosed. A reflector steering structure for adjusting the horizontal azimuth of a reflector includes a drive motor disposed on the rear surface of the reflector, a planet gear rotated by the drive motor, and a sectorial rack gear engaged with the planet gear and fixed to a support shaft, thereby achieving a compact design of an entire antenna structure. Further, by applying a structure with enhanced electrical insulation to rolling and slide contact portions of the drive unit and a portion undergoing change in contact pressure, radio performance of the antenna system may be prevented from changing according to steering of the reflector.