Abstract: The present invention relates to a ventilating apparatus for ventilating a display of a hall door with clean air, and the ventilating apparatus includes: a rectangular parallelepiped monitor box MB which is fixed onto a rear surface of a hall door D at a rear side of an opening 15 of the elevator hall door D made of metal, and protrudes at the rear side of the elevator hall door D to accommodate a monitor M; a monitor M which is fixed into the monitor box MB; a tempered glass plate 20 which is disposed at the rear side of the opening 15 of the elevator hall door D, and sized to cover the entire monitor to protect the monitor M from frontal impact; a plurality of inlets and outlets 52 and 54 which is formed at a central lateral portion D1 of the hall door D and connected to the interior of the monitor box MB; and two blower fans F1 and F2 which are installed in the monitor box MB between the monitor M and the inlets and outlets 52 and 54, and provide air, in which when the blower fans F1 and F2 operate, air in

Abstract: An inductor includes a body including a coil part therein. The coil part includes a support member and first and second coil patterns respectively formed on an upper surface and a lower surface of the support member, and 1.15?b/a?1.45, where a is a length from a central plane between the upper surface and the lower surface of the support member to an upper surface of the body, and b is a length from the central plane of the support member to a lower surface of the body.

Abstract: An inductor includes a body including a coil part therein. The coil part includes a first coil layer electrically connected to a first via; a second coil layer disposed below the first coil layer and electrically connected to a second via displaced laterally from that of the first via; and a via connection layer disposed between the first coil layer and the second coil layer and electrically connected to the first and second vias.

Abstract: The present invention relates to a foldable desk, in which a desk board is movable in front and back directions so as to fit a body shape of a user and a chair and a desk are completely foldable and overlap for space utilization, and a frame 50 of a desk board 10 is rotatably connected to a desk board support frame 60 through a connection rod 13, the desk board support frame 60 is bent at a right angle in a state where the desk board 10 is accurately positioned at a position, at which the desk board 10 exerts a function of a desk, and a first upper edge 62 of a desk board support frame having a larger length than a thickness of the desk board and a first upper edge 32 of the connection frame simultaneously support a bottom surface of the desk board 10, a connection rod 13 is shorter than a second upper edge 64 of the desk board support frame 60 coupled to the connection rod 13 to allow the desk board 10 to slide next to the first upper edge 62 of the desk board support frame, and the desk board 10 is bent dow

Abstract: A coil component includes: a body having coil portions disposed therein and exposed to one or more of surfaces of the body opposing each other in a width direction; external electrodes disposed on external surfaces of the body and connected to the coil portions; and insulating layers further disposed on the exposed coil portions.

Abstract: A coil component includes a main substrate; a first coil pattern disposed on a first surface of the main substrate; a first insulating layer disposed on one surface of the first coil pattern; a third coil pattern disposed on one surface of the first insulating layer and electrically connected to the first coil pattern; a second coil pattern disposed on a second surface of the main substrate opposing the first surface; a second insulating layer disposed on one surface of the second coil pattern; a fourth coil pattern disposed on one surface of the second insulating layer and electrically connected to the second coil pattern; and a magnetic body in which the first to fourth coil patterns are embedded, and a board having the same.

Abstract: A coil component includes: a first coil and a second coil; a first magnetic region embedding the first coil therein and a second magnetic region embedding the second coil therein; a magnetic body embedding the first and second magnetic regions therein; first and second external electrodes disposed on external surfaces of the magnetic body and connected to a first end portion and a second end portion of the first coil, respectively; and third and fourth external electrodes disposed on the external surfaces of the magnetic body and connected to a first end portion and a second end portion of the second coil, respectively.

Abstract: A coil component and a board having the same are provided. The coil component includes: a first coil; a second coil sharing a magnetic core with the first coil; a main board disposed between the first and second coils; first and second external electrodes connected to the first coil; and third and fourth external electrodes connected to the second coil.

Abstract: A coil component includes: an internal coil; a magnetic body having the internal coil embedded therein, and having first and second surfaces opposing each other in a first direction, third and fourth surfaces opposing each other in a second direction, and fifth and sixth surfaces opposing each other in a third direction; and external electrodes connected to the internal coil and disposed on outer surfaces of the magnetic body. 0<T1/T2<1, where T1 is a thickness of the magnetic body at a central axis of the internal coil, and T2 is a thickness of the magnetic body at a point B positioned to be spaced apart from the central axis of the internal coil by a predetermined distance.

Abstract: Disclosed herein is a back ferrule having a bellows-shaped elastic part. The back ferrule (40) is used, for pipe connection, along with: a connector body (10) having an external thread on an outer circumferential surface thereof; a drive nut (20) having an internal thread on an inner circumferential surface thereof; and a front ferrule (30). The back ferrule (40) includes: a nose part (41) having a front-end inclined surface (41b); a tail part (42) having a rear-end inclined surface (42b); and an outer circumferential surface (43) and an inner circumferential surface (44) connecting the nose part to the tail part. An outer circumferential corrugated surface (45) and an inner circumferential corrugated surface (46) are respectively formed on the outer circumferential surface and the inner circumferential surface between the nose part and the tail part.

Abstract: Disclosed is a module type safety bus bar including: a vertical coupling portion (20) which is a vertically-extending rectangular parallelepiped insulating block, has an upper end provided with a first combining means, and a middle portion into which a bus bar (30) penetrates to be combined with the vertical coupling portion in the form of a cross, the bus bar (30) connecting terminals of a distributor (A) to a circuit breaker (B); and a horizontal coupling portion (10) which is a horizontally-extending rectangular parallelepiped insulating block and has a second combining means, to be combined with the first combining means, in a middle portion of a lower end thereof. The horizontal coupling portion (10) covers an exposed metallic portion of the bus bar after the terminals of the distributor and circuit breaker are connected to each other so that the bus bar (30) becomes safe.

Abstract: A coil component includes a main substrate; a first coil pattern disposed on a first surface of the main substrate; a first insulating layer disposed on one surface of the first coil pattern; a third coil pattern disposed on one surface of the first insulating layer and electrically connected to the first coil pattern; a second coil pattern disposed on a second surface of the main substrate opposing the first surface; a second insulating layer disposed on one surface of the second coil pattern; a fourth coil pattern disposed on one surface of the second insulating layer and electrically connected to the second coil pattern; and a magnetic body in which the first to fourth coil patterns are embedded, and a board having the same.

Abstract: Disclosed are a light emitting device and a lighting system having the same. The light emitting device includes a body including first and second lateral side parts, third and fourth lateral side parts, and a cavity, a first lead frame extending in a direction of the first lateral side part of the body, a second lead frame extending in a direction of the second lateral side part of the body, a light emitting chip disposed on the first lead frame in the cavity, and a gap part between the first and second lead frames. The first lead frame includes a first recess part having a first depth, and a second recess part recessed at a second depth, and the first recess part and the second recess part have a step structure with a curved surface.

Abstract: The disclosure relates to a lamp socket, and more specifically to a lamp socket so configured as to restrict the insertion of bulbs other than the intended bulb, by arranging ribs on the socket housing corresponding to the shape of a key formed on the bulb. The lamp socket of the disclosure is configured so that when the base of a bulb is inserted into the receiving space of the socket housing, the key formed on the base is not interfered with by the ribs arranged in the receiving space, while if the shape of the key does not match the pattern in which the ribs are arranged, the key will be caught on the ribs, preventing the insertion of the base.

Abstract: Disclosed are an apparatus, a system, and a method for searching for a power user in social media. The apparatus according to the present invention includes an input unit configured to receive a keyword corresponding to an interested object from a user; a communication unit configured to transmit a search request message including the received keyword and receive a search response message corresponding to the transmitted search request message; a controller configured to, when receiving the search response message, extract a search list in which power users related to the keyword are arranged according to a preset power ranking from the received search response message; a display unit configured to sequentially display the power users related to the keyword received from the user according to the preset power ranking based on the extracted search list; and a storage unit configured to store the extracted search list.

Abstract: Disclosed herein is a thin film type common mode filter including: a base substrate made of an insulating material; a first insulating layer formed on the base substrate; a coil-shaped internal electrode formed on the first insulating layer; a second insulating layer formed on the internal electrode; an external electrode terminal having a vertical section connected to a side surface of the internal electrode and a horizontal section extended from an upper end of the vertical section toward a horizontal direction to thereby form a parallel surface spaced apart from the internal electrode by a predetermined distance; and a ferrite resin layer formed between the horizontal section of the external electrode terminal and the internal electrode.

Abstract: There are provided a coil component and a board having the same. The coil component includes: a magnetic body including a substrate having two cores, first and second coil parts disposed on one surface of the substrate and wound in the same direction, and third and fourth coil parts disposed on the other surface of the substrate to be spaced apart from each other; and first to fourth external electrodes disposed on outer surfaces of the magnetic body and connected to the first to fourth coil parts.

Abstract: A coil component includes a body part containing a magnetic material, a coil part disposed in the body part, and an electrode part disposed on the body part. The coil part includes a support member, a first coil layer disposed on at least one surface of the support member, a first insulating layer stacked on at least one surface of the support member and covering the first coil layer, and a second coil layer disposed on the first insulating layer. The first and second coil layers are electrically connected to each other, and the second coil layer has a larger number of coil turns than the first coil layer. Additionally or alternatively, a conductor of the first coil layer has an aspect ratio less than 1. Methods of manufacturing such coil components are also provided.

Abstract: Disclosed are a light emitting device. The light emitting device includes a body having a cavity; a plurality of lead frames in the cavity; a light emitting chip; a first molding member having a first metal oxide material around the light emitting chip; and a second molding member having a second metal oxide material on the first molding member and the light emitting chip, wherein the light emitting chip includes a reflective electrode layer under a light emitting structure, wherein a top surface of the first molding member extends from a region between a top surface of the light emitting chip and a lateral side of the reflective electrode layer at a predetermined curvature, and wherein a bottom surface of the second molding member includes a curved surface which is convex toward the first molding member.

Abstract: There are provided a coil component and a board for mounting the same. The coil component includes a magnetic body including first and second coil portions disposed on one surface of a substrate and disposed linearly, based on a central portion of the magnetic body, and third and fourth coil portions disposed on the other surface of the substrate and disposed linearly, based on the central portion of the magnetic body; and first to fourth external electrodes disposed on an external surface of the magnetic body and connected to the first to fourth coil portions. The first coil portion and the third coil portion have a first core portion, and the second coil portion and the fourth coil portion have a second core portion. A peripheral portion disposed outwardly of the first to fourth coil portions has greater permeability than that of the first and second core portions.