Abstract: Provided is a waterproof sound-permitting sheet, including: a porous substrate having a plurality of pores; and a porous nanoweb, which is stacked on the porous substrate, has a plurality of pores, and is formed by electrospinning a polymer material to which a black or a different color pigment is added, thereby improving waterproofing performance and sound penetration performance by forming on a porous substrate, such as non-woven fabric, the porous web having the black or the different color by using the electrospinning method, and can shorten a production process by eliminating a pigment coating step by means of adding the pigment to the polymer material when manufacturing the porous nanoweb according to the electrospinning method.

Abstract: A filter apparatus includes: a housing having an inlet for supplying sewage or waste water into the housing, and an outlet for discharging purified water from the housing; and filter media arranged inside the housing. Each of the filter media includes: a porous substrate; a nanofiber web laminated on both surfaces of the porous substrate; and a fuse reinforcement material interposed between the nanofiber web and the porous substrate. The porous substrate is surrounded by the nanofiber web except for an upper edge of the porous substrate to form a protruding portion. The apparatus further includes: a discharge pipe connected to the outlet and including a fixing portion fixed to the protruding portion of the porous substrate and a connection tube connected to the fixing portion and connected to the outlet; and a pump connected to the outlet for pumping the purified water out of the housing.

Abstract: An apparatus and method for controlling a vehicle speed based on information about forward vehicles that travel in the same lane may be acquired using Vehicle to Everything (V2X) communications in a cooperative adaptive cruise control (CACC) system. The CACC system includes a communication unit receiving vehicle information from neighboring vehicles using V2V communications; an information collection unit collecting vehicle information of the neighboring vehicles and the subject vehicle using sensors; and a control unit determining a forward vehicle and a far-forward vehicle using the sensors, selecting first and second target vehicles for being followed by the subject vehicle based on the vehicle information of the forward vehicle and the far-forward vehicle and the vehicle information of the neighboring vehicles, and controlling the driving speed of the subject vehicle based on speed information of the first and second target vehicles.

Abstract: A cooperative adaptive cruise control (CACC) system acquires a driving pattern of a target vehicle and variably provides an inter-vehicle distance and a responsible speed level of a subject vehicle that are followed by the CACC system based on the driving pattern. The CACC system includes a communication unit receiving vehicle information and road information of a region in which the subject vehicle travels; an information collection unit collecting driving information of a forward vehicle, vehicle information of the subject vehicle, and the road information; and a control unit controlling the inter-vehicle distance and the responsible speed level of the CACC system based on the driving pattern of the target vehicle according to generated control information.

Abstract: Disclosed herein is a waterproof sound-transmitting sheet, the thickness of which can easily be adjusted and which has a high sound transmitting efficiency and excellent waterproofness, and a method for producing same. The waterproof sound-transmitting sheet, which is attached to a sound hole of a case, includes: a support layer made of a film-shaped porous material and formed in the case; and a waterproofing layer formed on one side of the support layer in the shape of a porous nanoweb in which fine fiber strands are crosswisely layered and exposed to the outside of the case.

Abstract: Disclosed herein is a waterproof sound-transmitting sheet having high sound transfer efficiency and excellent water proofing performance and a method for producing same. The waterproof sound-transmitting sheet includes: a sound-transmitting layer made of a polymer material and formed in the shape of a web having a plurality of pores; and a coating layer formed on at least one side of the sound-transmitting layer to block pores existing on the surface of the sound-transmitting layer.

Abstract: Provided is a waterproof sound-permitting sheet, including: a porous nanoweb that has a plurality of pores and that is formed by electrospinning a polymer material to which a black or a different color pigment is added, thereby shortening a manufacturing process and improving waterproofing performance and sound-permitting performance.

Abstract: Provided is a deionization apparatus which includes: a porous electrode having fine pores; a non-pore ion exchange membrane that is formed in the porous electrode; a counter electrode that is spaced from the non-pore ion exchange membrane and faces the non-pore ion exchange membrane; and a spacer that is located between the porous electrode and the counter electrode, and that has a flow passage through which water to be treated passes.

Abstract: Provided are an ion-exchange membrane and a filter module using the same. The ion-exchange membrane includes: a porous membrane that is formed by accumulating nanofibers obtained by electrospinning an ion-exchange solution, or a non-pore membrane that is formed by accumulating liquid droplets obtained by electrospraying an ion-exchange solution.

Abstract: Provided are a deionization composite electrode, a method of manufacturing the deionization composite electrode, and a deionization apparatus using the same. The deionization composite electrode includes: a porous substrate having fine pores; an ion exchange membrane that is formed by electrospraying an ion exchange solution on one surface of the porous substrate; and a conductive film that is formed on the other surface of the porous substrate.

Abstract: Provided are a deionization flexible composite electrode, a method of manufacturing the deionization flexible composite electrode, and a deionization apparatus using the same. The deionization flexible composite electrode includes: a porous substrate having fine pores; and a conductive film portion that is formed on one surface or both surfaces of the porous substrate. The method of manufacturing a deionization flexible composite electrode comprises: preparing a porous substrate having fine pores; and depositing a conductive material in the porous substrate to thus form a conductive film portion on one surface or both surfaces of the porous substrate.

Abstract: Provided are a capacitive deionization electrode module, a method of manufacturing the same, and a deionization apparatus using the same. The capacitive deionization electrode module includes: a conductive support that is formed by injecting and fixing carbon-based electrode powders into and to fine pores of a porous substrate; and a coating layer coated on one surface of the conductive support, to thereby implement a current collector for the deionization apparatus having ultra-thin, slim, and excellent flexible features.

Abstract: Provided are filter media for liquid filters and a method of manufacturing the same, in which a thin filter layer is formed and the content of nanofibers weighs light, by laminating a low weight nanofiber web on a porous nonwoven fabric, and thus a less differential pressure is applied before and after filtering, to thereby increase a pass flow rate. The filter medium includes: a porous support that plays a strength support role; and a nanofiber web that is laminated on one side of the porous support and is made of nanofibers of a polymer material, in which the nanofiber web comprises fine pores of a three-dimensional structure, through which a liquid to be treated passes, wherein content of the nanofibers is less than 5 gsm.

Abstract: A method for determining proximity of a mobile device to an appliance and for operating the appliance and the mobile device is provided. The method includes identifying the mobile device and/or the appliance with a Media Access Control or MAC header and establishing a proximity of the mobile device to the appliance based at least in part on a Received Signal Strength Indicator or RSSI. A service of the appliance can be executed if the RSSI is greater than a threshold value.

Abstract: Provided are a filter medium, a manufacturing method thereof, and a filter apparatus using the filter medium. The filter medium includes: a porous substrate; a nanofiber web that is laminated on both sides of the porous substrate, and that has a number of fine pores formed by electrospinning a polymer material; and an adhesive unit for adhering the porous substrate and the nanofiber web integrally, wherein the adhesive unit is achieved by applying heat whose temperature is lower than the melting point of the porous substrate and higher than the melting point of the nanofiber web.

Abstract: In one embodiment, the electrowetting device includes a first medium; a second medium that is not mixed with the first medium and has a refractive index different from a refractive index of the first medium; an upper electrode that adjusts an angle of a boundary surface between the first medium and the second medium; and a barrier wall that has a side surface surrounding the first and second mediums, allows the upper electrode to be disposed on a portion of the side surface, and has irregular widths.

Abstract: A cytokine adsorption sheet comprises a nanofiber web formed by electrospinning a spinning solution prepared by mixing an adsorbent material capable of adsorbing cytokine and an electrospinnable polymer material. Thus, the dissolution of the adsorbent material by blood can be prevented.

Abstract: A method for determining proximity of a mobile device to an appliance and for operating the appliance and the mobile device is provided. The method includes identifying the mobile device and/or the appliance with a Media Access Control or MAC header and establishing a proximity of the mobile device to the appliance based at least in part on a Received Signal Strength Indicator or RSSI. A service of the appliance can be executed if the RSSI is greater than a threshold value.

Abstract: Provided is a waterproof sound-permitting sheet, including: a porous substrate having a plurality of pores; and a porous nanoweb, which is stacked on the porous substrate, has a plurality of pores, and is formed by electrospinning a polymer material to which a black or a different color pigment is added, thereby improving waterproofing performance and sound penetration performance by forming on a porous substrate, such as non-woven fabric, the porous web having the black or the different color by using the electrospinning method, and can shorten a production process by eliminating a pigment coating step by means of adding the pigment to the polymer material when manufacturing the porous nanoweb according to the electrospinning method.

Abstract: Provided is a waterproof sound-permitting sheet, including: a porous nanoweb that has a plurality of pores and that is formed by electrospinning a polymer material to which a black or a different color pigment is added, thereby shortening a manufacturing process and improving waterproofing performance and sound-permitting performance.