Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.

Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.

Abstract: According to an exemplary embodiment of the present invention, there are provided a vibration output device and a portable electronic device, which outputs vibration. An exemplary embodiment of the present invention provides a vibration output device, including: a magnetic circuit generating vibration; a yoke part contacting an upper surface of the magnetic circuit; an elastic member contacting with at least a part of an upper surface of the yoke part and performing vibratory motion; a housing having an opened upper surface, an opened lower surface and an internal space formed by closed lateral surfaces; a coil positioned inside the housing and receiving an alternating-current signal provided from an outside; and a vibration plate contacting at least a part of the upper surface of the yoke part and outputting vibration to the outside according to vibration of the yoke part.

Abstract: According to an embodiment of the present disclosure, provided are a vibration output device and a portable electronic apparatus outputting vibration.

Abstract: An exemplary embodiment of the present disclosure may provide a sound generator which is connected to a vehicle body and generates sound, the sound generator including: a magnetic circuit generating vibration; a yoke contacting an upper surface of the magnetic circuit; an elastic member contacting at least a part of an upper surface of the yoke and performing vibration motion; a housing including an internal space formed as upper and lower sides of the housing are opened and lateral sides of the housing are closed; and a coil receiving an alternating current signal provided from the outside, wherein the coil is positioned in the internal space of the housing, wherein the sound generator transmits the vibration generated by the magnetic circuit to the vehicle body and vibrate at least a part of the vehicle body such that sound is generated from the vehicle body.

Abstract: The present invention relates to an apparatus for outputting vibration, and an exemplary embodiment of the present invention may provide an apparatus for outputting vibration, the apparatus including: a magnetic circuit which generates vibration; a yoke which is in contact with an upper surface of the magnetic circuit and has a raised spot with different heights in a height direction in at least one of the lateral surfaces of the yoke such that one or more spaces are formed in an upper surface of the yoke; and an elastic body which is in contact with at least a part of the upper surface of the yoke, and vibratorily moves in the one or more spaces, in which the elastic body is formed of a first elastic unit and a second elastic unit, and the first elastic unit and the second elastic unit are integrally molded.

Abstract: An exemplary embodiment of the present disclosure may provide a sound generator which is connected to a vehicle body and generates sound, the sound generator including: a magnetic circuit generating vibration; a yoke contacting an upper surface of the magnetic circuit; an elastic member contacting at least a part of an upper surface of the yoke and performing vibration motion; a housing including an internal space formed as upper and lower sides of the housing are opened and lateral sides of the housing are closed; and a coil receiving an alternating current signal provided from the outside, wherein the coil is positioned in the internal space of the housing, wherein the sound generator transmits the vibration generated by the magnetic circuit to the vehicle body and vibrate at least a part of the vehicle body such that sound is generated from the vehicle body.

Abstract: The present invention relates to a sensory signal output apparatus, and more particularly, to a sensory signal output apparatus for generating a sound or a vibration force, in which a magnetic circuit thereof is vibrating in response to an alternating signal of the coil fixed to a case, the magnetic circuit being elastically rebounded and supported by an elastic rebound body, and the elastic rebound body being fixed to an open part of the case; wherein elastic rebound and support paths of the elastic rebound body are traversing the center of the open part of the case in a straight line having the shortest distance, are three-dimensionally traversing such that both the side ends and the middle part thereof have an altitude difference therebetween, and elastically rebounds and supports the magnetic circuit.

Abstract: The present invention relates to an apparatus for outputting vibration, and an exemplary embodiment of the present invention may provide an apparatus for outputting vibration, the apparatus including: a magnetic circuit which generates vibration; a yoke which is in contact with an upper surface of the magnetic circuit and has a raised spot with different heights in a height direction in at least one of lateral surfaces of the yoke such that one or more spaces are formed in an upper surface of the yoke; and an elastic body which is in contact with at least a part of the upper surface of the yoke, and vibratorily moves in the one or more spaces, wherein the elastic body includes a first elastic unit, a second elastic unit and a third elastic unit, and wherein the third elastic unit is in contact with at least one of an upper surface of the first elastic unit and an upper surface of the second elastic unit.

Abstract: According to an embodiment of the present disclosure, provided are a vibration output device and a portable electronic apparatus outputting vibration.

Abstract: The present invention relates to a sensory signal output apparatus, and more particularly, to a sensory signal output apparatus for generating a sound or a vibration force, in which a magnetic circuit thereof is vibrating in response to an alternating signal of the coil fixed to a case, the magnetic circuit being elastically rebounded and supported by an elastic rebound body, and the elastic rebound body being fixed to an open part of the case; wherein elastic rebound and support paths of the elastic rebound body are traversing the center of the open part of the case in a straight line having the shortest distance, are three-dimensionally traversing such that both the side ends and the middle part thereof have an altitude difference therebetween, and elastically rebounds and supports the magnetic circuit.

Abstract: Provided is an anode material for a secondary battery, and more particularly, to an anode material for a secondary battery using a silicon oxide (SiOx), and a method of preparing the same. There is provided an anode material for a secondary battery, formed by preparing an SiOx and a carbon material, mixing the SiOx and the carbon material, forming a SiOx-carbon (SiOx-C) composite, and performing a heat treatment.

Abstract: The present invention relates to an apparatus for outputting vibration, and an exemplary embodiment of the present invention may provide an apparatus for outputting vibration, the apparatus including: a magnetic circuit which generates vibration; a yoke which is in contact with an upper surface of the magnetic circuit and has a raised spot with different heights in a height direction in at least one of lateral surfaces of the yoke such that one or more spaces are formed in an upper surface of the yoke; and an elastic body which is in contact with at least a part of the upper surface of the yoke, and vibratorily moves in the one or more spaces.

Abstract: The present invention relates to an apparatus for outputting vibration, and an exemplary embodiment of the present invention may provide an apparatus for outputting vibration, the apparatus including: a magnetic circuit which generates vibration; a yoke which is in contact with an upper surface of the magnetic circuit and has a raised spot with different heights in a height direction in at least one of the lateral surfaces of the yoke such that one or more spaces are formed in an upper surface of the yoke; and an elastic body which is in contact with at least a part of the upper surface of the yoke, and vibratorily moves in the one or more spaces, in which the elastic body is formed of a first elastic unit and a second elastic unit, and the first elastic unit and the second elastic unit are integrally molded.

Abstract: A sensory signal output apparatus, and more particularly to a sensory signal output apparatus includes a bone conduction output apparatus, the sensory signal output apparatus including: the magnetic circuit part 110; the coil part 120; and the case 101 in which the magnetic circuit part and the coil part are accommodated, wherein the sensory signal output apparatus generates a sound or vibration while vibrating, by the magnetic circuit part, depending on a direction of an alternating signal applied to the coil part. The case elastically supports the magnetic circuit part and the coil part so that the magnetic circuit part and the coil part are operated to repeal or attract each other, or in a state where one of the magnetic circuit part and the coil part is fixed, the other vibrates while performing a repulsion or attraction motion.

Abstract: Disclosed is a sound generating device for vehicle, more particularly, in case of fastening a sound generating device for outputting artificial engine sound (for example, start-up, or accelerating etc.) onto the automobile vehicle's surface, for example the bonnet, the sound generating device's sound transfer face is pressed to the bonnet, and the sound or vibration of the sound generator is dispersed and output outwardly through the bonnet without attenuation.

Abstract: A sensory signal output apparatus, and more particularly to a sensory signal output apparatus includes a bone conduction output apparatus, the sensory signal output apparatus including: the magnetic circuit part 110; the coil part 120; and the case 101 in which the magnetic circuit part and the coil part are accommodated, wherein the sensory signal output apparatus generates a sound or vibration while vibrating, by the magnetic circuit part, depending on a direction of an alternating signal applied to the coil part. The case elastically supports the magnetic circuit part and the coil part so that the magnetic circuit part and the coil part are operated to repeal or attract each other, or in a state where one of the magnetic circuit part and the coil part is fixed, the other vibrates while performing a repulsion or attraction motion.

Abstract: A sound output mechanism of a mobile device capable of outputting visual and sound signals, for example, a smart phone, tablet PC, MP4 (including MP3) has an image output unit and a sound processing unit. The image output unit of the mobile device is arranged on the entire surface of a main body and the sound processing unit for outputting vibration power and sound is firmly secured at the inside thereof without increasing the volume or the area thereof.

Abstract: Disclosed is a sound generating device for vehicle, more particularly, in case of fastening a sound generating device for outputting artificial engine sound (for example, start-up, or accelerating etc.) onto the automobile vehicle's surface, for example the bonnet, the sound generating device's sound transfer face is pressed to the bonnet, and the sound or vibration of the sound generator is dispersed and output outwardly through the bonnet without attenuation.

Abstract: A sound output mechanism of a mobile device capable of outputting visual and sound signals, for example, a smart phone, tablet PC, MP4 (including MP3) has an image output unit and a sound processing unit. The image output unit of the mobile device is arranged on the entire surface of a main body and the sound processing unit for outputting vibration power and sound is firmly secured at the inside thereof without increasing the volume or the area thereof.