Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.

Abstract: A method for manufacturing a gas diffusion layer for a fuel cell wherein carbon nanotubes are impregnated into Korean paper, thereby enhancing electroconductivity, and a gas diffusion layer manufactured thereby. The method for manufacturing a gas diffusion layer for a fuel cell which is to manufacture a gas diffusion layer as a constituent member of a unit cell in a fuel cell, includes a support preparation step of preparing a support with Korean paper; a dispersion preparation step of dispersing a carbon substance in a solvent to form a dispersion, a coating step of coating the support with the dispersion, and a thermal treatment step of thermally treating the dispersion-coated support to fix the carbon substance to the support.

Abstract: A device for inspecting a welded state between a tab, which protrudes from a plurality of electrodes stacked with a separator therebetween, and a lead welded to the tab. The device for inspecting a welded state may include a pair of tab probes, which are in contact with the tab and spaced apart from each other in a width direction of the tab, and a pair of lead probes which are in contact with the lead and spaced apart from each other in a width direction of the lead. Related methods for inspecting the welded state between a tab and a lead thereby are provided.

Abstract: A steroid sulfatase inhibitor provided by the present invention is a safe substance without toxicity and adverse effects, has inhibitory activity against various viruses, and thus is capable of effectively preventing, ameliorating, or treating viral infections or diseases caused by viral infections.

Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.

Abstract: The present disclosure relates to a hydrogen tank support apparatus, and the hydrogen tank support apparatus according to the present disclosure includes: a hydrogen storage tank; a frame portion on which the hydrogen storage tank is seated; and a sliding block portion configured to fix a nozzle portion of the hydrogen storage tank to the frame portion, wherein the sliding block portion includes a lower block portion fixed to the frame portion, an upper block portion coupled to the lower block portion in a concave-convex manner so that movement of the hydrogen storage tank is limited in a longitudinal direction and a width direction of the hydrogen storage tank, and a slide ball portion configured to surround an outer side surface of the nozzle portion, interposed between the lower block portion and the upper block portion, and configured to rotatably support the nozzle portion.

Abstract: A signal compression method and apparatus and a signal restoration method and apparatus are provided. The signal compression method includes outputting an input signal, obtained by processing an audio signal, which is input, based on a human auditory perception characteristic, using an auditory perception model, extracting a feature vector from the input signal using a feature extraction module, and outputting a code obtained by compressing the feature vector using a trained signal compression model.

Abstract: Provided is an electronic device for managing energy with a simplified button operation, and an operating method thereof. The method of operating the electronic device includes displaying a charging time, which is required for charging completion of a charging target load device that a user desires to charge, and a charging demand, which is required for charging, by using a profile related to energy use of the user, receiving, from the user, an increase command, a determination command, or a decrease command, and when a received command is the increase command or the decrease command, performing an increase or a decrease in one of the charging time and the charging demand or the combination of two or more thereof, according to the increase command or the decrease command, based on an increase rate or a decrease rate using a change rate calculated through a change rate calculation model.

Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by a writer of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are set for each of playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data with the second format.

Abstract: The present disclosure discloses a high-pressure gas storage and supply device. The disclosed high-pressure gas storage and supply device includes a plurality of gas storage tanks that store a high-pressure gas therein and selectively discharge the stored gas, and a gas transport pipe including tank inlet/outlet lines respectively connected to the plurality of gas storage tanks to fill the gas in the gas storage tanks or discharge the gas stored in the gas storage tanks. Thus, in the present disclosure, the gas may be filled in or discharged from the gas storage tanks by the same one tank inlet/outlet line, and thus a structure for filling or discharging the high-pressure gas can be simplified.

Abstract: Disclosed is a valve device for a high-pressure gas storage tank. A valve device for a high-pressure gas storage tank according to the present disclosure includes a plurality of gas storage tanks having nozzle parts through which a gas is discharged, a block fixing part that accommodates the plurality of nozzle parts and has a gas flow path part, through which the gas discharged from the nozzle parts flows, in an internal space thereof, and an opening/closing part that is connected to the block fixing part and adjusts external discharge of the gas discharged from the nozzle parts and flowing to the gas flow path part.

Abstract: Disclosed are a demand management control method and a demand management control apparatus for inducing dynamic participation of a consumer in an energy consumption load management program. The demand management control method refers to a promotion method for expanding an active participation of a consumer through a dynamic order of charging power of a charging load device with respect to a load having a consumption characteristic in an energy accumulation form in a distribution network management area in which an energy charging supply device is installed, and distributes and manages a demand within an energy supply goal of the consumer through a participation promotion. Also, the demand management control method provides changed cost information to the consumer using an incentive through a demand management contribution weight according to an energy demand and supply status and encourages or promotes the dynamic participation of the consumer.

Abstract: A dynamic charging demand side response method and a dynamic charging demand side management method based on a consumer order, and a demand side management control system for performing the methods. In favor of a consumer, a controllable reduction capacity may be increased by securing a number of flexible blocking measures suitable for characteristics of target load, thereby performing efficient demand management.

Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by a writer of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are set for each of playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data with the second format.

Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by a writer of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are set for each of playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data with the second format.

Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by a writer of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are set for each of playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data with the second format.

Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by an author of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are each set for corresponding playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data in the second format.

Abstract: Provided is an apparatus and method for frontal audio rendering in interaction with a screen size, the method including measuring playback environment information used to play back input content; and correcting an audio signal to be output based on the measured playback environment information and production environment information included in the input content.

Abstract: Provided is an apparatus and method for frontal audio rendering in interaction with a screen size, the method including measuring playback environment information used to play back input content; and correcting an audio signal to be output based on the measured playback environment information and production environment information included in the input content.

Abstract: A method and apparatus for controlling a demand management based on an energy source selection by real-time price information. The method of controlling a demand management includes determining a lowest price energy source from among a plurality of energy sources based on energy price information associated with the plurality of energy sources and a level of a consumption need of a user for an energy use; and controlling an energy consumption apparatus to be supplied with energy from the determined energy source and to consume the supplied energy.