Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol is sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.

Abstract: A polyimide precursor monomer having an E value of 2.0 or more calculated by Equation 1 is selected among polyimide raw materials. A polyimide includes a structural unit derived from the polyimide precursor monomer having the E value of 2.0 or more. Optical properties of a polyimide film formed from the polyimide can be improved, and the optical properties of a polyimide film can be predicted from the E value of the polyimide precursor monomer even before production of the polyimide film.

Abstract: The present disclosure relates to a composition for preparing a vinyl chloride-based polymer and a method of preparing a vinyl chloride-based polymer using the same, and provides the composition giving excellent productivity for preparing a vinyl chloride-based polymer includes while maintaining excellent foaming and viscosity properties of a plastisol including the prepared vinyl chloride-based polymer, by including a pH regulator composed of a carbonate-based metal salt, and a transition metal catalyst in the composition, and controlling an amount of the transition metal catalyst, and controlling an amount of a reducing agent such that a trace amount or none of the reducing agent is included, and the method of preparing a vinyl chloride-based polymer using the same.

Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.

Abstract: Provided is an apparatus for automatically classifying an input sound source according to a preset criterion and are an apparatus and method for automatically classifying a sound source according to a set criterion by using deep learning. The apparatus for classifying a sound source includes a processor and a memory connected to the processor and storing a deep learning algorithm and original sound data, wherein the memory stores program instructions executable by the processor to generate n pieces of image data corresponding to the original sound data according to a preset method, generate training image data corresponding to the original sound data by using the n pieces of image data, train the deep learning algorithm by using the training image data, and classify target sound data according to a preset criterion by using the deep learning algorithm, wherein the n is a natural number greater than or equal to 2.

Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.

Abstract: A vehicle may include a side mirror including a housing and a mirror member provided inside the housing and rotatable in a first axis and a second axis in the housing; an input unit configured to receive an identification information related to a driver; a driving apparatus configured to identify a target position corresponding to the identification information related to the driver, acquire a plurality of paths for moving the mirror member between the identified target position and the current position, identify each of positions for switching the movement direction of the acquired plurality of paths, select a path having positions for switching the movement direction closest to a predetermined center position among the respective positions for switching the movement direction thereof, and selectively control rotation of the first axis and rotation of the second axis of the mirror member based on the selected path.

Abstract: A vehicle may include a side mirror including a housing and a mirror member provided inside the housing and rotatable in a first axis and a second axis in the housing; an input unit configured to receive an identification information related to a driver; a driving apparatus configured to identify a target position corresponding to the identification information related to the driver, acquire a plurality of paths for moving the mirror member between the identified target position and the current position, identify each of positions for switching the movement direction of the acquired plurality of paths, select a path having positions for switching the movement direction closest to a predetermined center position among the respective positions for switching the movement direction thereof, and selectively control rotation of the first axis and rotation of the second axis of the mirror member based on the selected path.

Abstract: An integrated inside mirror assembly for a vehicle may have a stay fixed to a windshield glass of the vehicle and an inside mirror coupled to the stay, in which the stay may include a sub stay coupled to a rear surface of the inside mirror, a base attached to an upper end of the windshield glass and to which a rain sensor is mounted, a mount slidably assembled at an outside of the base and coupled to the sub stay through a ball joint, a stay cover coupled to the mount while surrounding the mount and attached to the upper end of the windshield glass, and an antenna cover assembled at one side of the mount and to which an antenna member is mounted.

Abstract: An integrated inside mirror assembly for a vehicle may have a stay fixed to a windshield glass of the vehicle and an inside mirror coupled to the stay, in which the stay may include a sub stay coupled to a rear surface of the inside mirror, a base attached to an upper end of the windshield glass and to which a rain sensor is mounted, a mount slidably assembled at an outside of the base and coupled to the sub stay through a ball joint, a stay cover coupled to the mount while surrounding the mount and attached to the upper end of the windshield glass, and an antenna cover assembled at one side of the mount and to which an antenna member is mounted.

Abstract: An apparatus and method are provided for inputting characters in electronic equipment using a limited number of keys. A key input device may include a play/pause key (hereinafter, referred to as a ‘play key’), a repeat key, a record key, up/down/left/right arrow keys, and a confirm key. The key input device may generate key data corresponding to input keys. A flash memory may store a key table in which a character code, which may be a combination of certain key data, may be matched to a relevant letter. A display may display the relevant letter on a window. When key data are generated from the key input device, a central processing unit may confirm whether a combination of the generated key data is identical to a predetermined character code, based on the key table stored in the flash memory.

Abstract: An apparatus includes a washing fluid pump, including a pump housing; a contact member in the pump housing; and a pump terminal, disposed on the pump housing and configured to receive electric power. The apparatus also includes a washing fluid level sensor, including a sensor terminal inserted into the contact member and electrically connected to the pump terminal. The contact member may include two opposing guide grooves. The sensor terminal may include two projections for insertion into the guide grooves. One end of each guide groove may be open and the other end may be closed. The pump may also include a cover to house the sensor terminal. The cover may be foldable, or rotatable about a hinge.

Abstract: An apparatus and method are provided for inputting characters in electronic equipment using a limited number of keys. A key input device may include a play/pause key (hereinafter, referred to as a ‘play key’), a repeat key, a record key, up/down/left/right arrow keys, and a confirm key. The key input device may generate key data corresponding to input keys. A flash memory may store a key table in which a character code, which may be a combination of certain key data, may be matched to a relevant letter. A display may display the relevant letter on a window. When key data are generated from the key input device, a central processing unit may confirm whether a combination of the generated key data is identical to a predetermined character code, based on the key table stored in the flash memory.