Abstract: The present disclosure relates to a search technology using a data structure for supporting multi-search in a blockchain-based IoT environment, and a method for providing a search function for blockchain includes receiving block data via a network, verifying transactions included in the received block data, and adding the block data as a node to an index tree of multidimensional index structures based on information about each transaction in the transaction verification.

Abstract: The present disclosure relates to a blood staining patch, a method and device for a blood test using the same, and more particularly, to a patch configured to contain a staining reagent for staining blood and a method and device for economically testing blood using the same. A blood testing method according to an aspect of the present disclosure, which is a blood testing method in which a patch, which includes a mesh structure forming micro-cavities and is configured to contain a staining reagent for staining staining targets present in blood in the micro-cavities, is used to perform a blood test through staining of the staining target, includes placing blood in a reaction region, and providing the staining reagent to the reaction region using the patch configured to contain the staining reagent.

Abstract: The present disclosure relates to an immunoassay method for performing immunoassay by using a patch that contains antibodies. An immunoassay method according to an aspect of the present disclosure performs diagnosis by detecting a target protein from a sample to be diagnosed by using a patch which includes a mesh structural body forming micro-cavities and is configured to contain a liquid substance in the micro-cavities, and includes placing the sample to be diagnosed in a reaction region, and providing an antibodies that react specifically with a target protein to the reaction region by using a patch that contains the antibodies.

Abstract: Aspects of the present disclosure involve a system and method for providing a boosted voltage using a single stage dual active bridge converter. In one embodiment, the single stage dual active bridge converter is introduced for high voltage charging using phase shift and frequency control. Phase shift and frequency control can be implemented on duty cycled switches and pulse width modulated switches in order to achieve a desired output voltage. In another embodiment, the phase shift and frequency controlled single stage dual active bridge converter is replicated in modular form to provide a single-phase system that provides a voltage for charging a high voltage system. In yet another embodiment, the phase shift and frequency controlled single stage dual active bridge converter is replicated in modular form to provide a three-phase system that provides a voltage for charging a high voltage system.

Abstract: An electronic device is disclosed. An electronic device according to the present invention includes a display, first to third optical elements which are disposed to be dispersed on the display to emit red (R) light, green (G) light, and blue (B) light, an optical system which is installed in the display to combine light emitted from the first to third optical elements into the display, and a pinhole mirror which is installed on an illumination path of light combined by the optical system to reflect the combined light to eyeballs of a user. An electronic device according to the present invention may be associated with an artificial intelligence module, robot, augmented reality (AR) device, virtual reality (VR) device, and device related to 5G services.

Abstract: A device for spatially normalizing a medical image includes: an adaptive template generation unit configured such that when a plurality of functional medical images are input to a deep learning architecture, the adaptive template generation unit generates, based on prestored learning data, an adaptive template for spatially normalizing the plurality of functional medical images; a learning unit configured to learn by repeating a process of generating an image from an input functional medical image of a user based on the adaptive template through a generative adversarial network (GAN) and determine authenticity of the generated image; and a spatial normalization unit configured to provide the functional medical image of the user which is spatially normalized based on results of the learning.

Abstract: An electronic device comprising: a first display panel having a first side facing an eye of a user; a second display panel having a first side disposed at a second side of the first display panel; a first optical element disposed at the first display panel to emit one of red (R), green (G), or blue (B) light; a second optical element disposed at the first display panel together with the first optical element and configured to emit another one of the R, G, or B light; and a third optical element disposed at the second display panel to emit the remaining one of the R, the G, and the B light. The electronic device according to the present disclosure may be associated with an artificial intelligence module, a robot, an augmented reality (AR) device, a virtual reality (VR) device, and a device related to 5G services and the like.

Abstract: The present disclosure relates to an immunoassay method for performing immunoassay by using a patch that contains antibodies. An immunoassay method according to an aspect of the present disclosure performs diagnosis by detecting a target protein from a sample to be diagnosed by using a patch which includes a mesh structural body forming micro-cavities and is configured to contain a liquid substance in the micro-cavities, and includes placing the sample to be diagnosed in a reaction region, and providing an antibodies that react specifically with a target protein to the reaction region by using a patch that contains the antibodies.

Abstract: An EGR cooler includes a tube assembly formed by stacking a plurality of tubes in which exhaust gas flows and a cover plate having a mounting portion formed concavely to mount the tube assembly thereon. A baffle is mounted at the tube assembly and adjusts flow of coolant inflow from a cylinder block. An inlet cover is installed on a first side of an outer surface of the cover plate to supply the exhaust gas to each tube and an outlet cover is installed on a second side of outer surface of the cover plate to exhaust the exhaust gas from each tube. At least one coolant passage in which the coolant flows is formed between the plurality of tubes.

Abstract: The present disclosure relates to a diagnostic method and a device performing the same. According to an aspect of the present disclosure, a diagnostic device is a diagnostic device that uses a test kit including a specimen plate having a specimen region in which a specimen is smeared and a patch plate configured to store a contact-type patch, which comes into contact with the specimen to stain the specimen, and the diagnostic device includes a body having a loading region in which the test kit is placed, a moving unit configured to move the patch plate and the specimen plate of the test kit relative to each other so that the specimen placed in the test kit is smeared in the specimen region, and a contact unit configured to move a structure of the test kit such that the contact-type patch comes into contact with the smeared specimen so that the smeared specimen is stained.

Abstract: A foldable and rollable zoned spring mattress includes a zoned spring layer with first, second and third lateral regions. The central axis of the mattress passes through the second lateral region. The first lateral region is disposed between the second lateral region and the top of the mattress, and the third lateral region is disposed between the second lateral region and the bottom of the mattress. The second lateral region includes pocket springs comprised of individual metal coils each encased in a fabric pocket. The first and third lateral regions include coils that are connected to one another by parallel rows of helical-shaped wires that are oriented perpendicular to the central axis. The mattress is compressed and then folded at its central axis at the pocket springs of the second lateral region. The compressed and folded mattress is then rolled such that the helical-shaped wires are not folded or bent.

Abstract: The present invention relates to a three-dimensional reconstructing method of a 2D medical image. A three-dimensional reconstructing device includes: a communicator for receiving sequential 2D images with an arbitrary slice gap; a sliced image generator for generating at least one sliced image positioned between the 2D images based on a feature point of the adjacent 2D images; and a controller for reconstructing the 2D image into a 3D image by use of the generated sliced image and providing the 3D image.

Abstract: An image analysis method according to one exemplary embodiment of the present disclosure may include: obtaining an unstained cell image; obtaining at least one feature map comprised in the cell image; and identifying a type of cell corresponding to the feature map by using a preset criterion. Therefore, according to the image analysis method according to one exemplary embodiment of the present disclosure, it is possible to rapidly provide cell image analysis results using an unstained cell image.

Abstract: The present disclosure relates to a diagnostic method and a device performing the same. According to an aspect of the present disclosure, a diagnostic device is a diagnostic device that uses a test kit including a specimen plate having a specimen region in which a specimen is smeared and a patch plate configured to store a contact-type patch, which comes into contact with the specimen to stain the specimen, and the diagnostic device includes a body having a loading region in which the test kit is placed, a moving unit configured to move the patch plate and the specimen plate of the test kit relative to each other so that the specimen placed in the test kit is smeared in the specimen region, and a contact unit configured to move a structure of the test kit such that the contact-type patch comes into contact with the smeared specimen so that the smeared specimen is stained.

Abstract: The present invention relates to a body fluid analyzing apparatus and a body fluid analyzing method using the same. This body fluid analyzing apparatus includes: an ejecting unit configured to eject a body fluid; a main body unit configured to support an ejecting unit; and a printing member on which the body fluid ejected through the ejecting unit is printed, wherein the body fluid is printed on a surface of the printing member while the printing member moves in one direction relative to the ejecting unit.

Abstract: The present disclosure relates to a culturing patch, culturing method, culture test method, culture test device, drug test method, and drug test device, and the culturing patch according to an aspect of the present disclosure includes component required for growth of an object to be cultured, and a mesh structural body provided in a mesh structure forming micro-cavities in which the component required for growth are contained that is configured to come into contact with a reaction region in which the object to be cultured is placed and provide some of the contained component required for growth to the reaction region.

Abstract: Provided is a method for reconstructing content image data. The method includes selecting a first point and a second point in a first image of first content, selecting a third point and a fourth point in a second image of second content (the second image is an image corresponding to the first image and the third point and the fourth point are points in an image corresponding to the first point and the second point, respectively), generating a first reference vector using the first point and the second point, generating a second reference vector using the third point and the fourth point, calculating a rotation, scale, and transformation (RST) value from the first image to the second image using the first reference vector and the second reference vector; and reconstructing the second content using the calculated RST value.

Abstract: Provided is a method of controlling the posture of a patch for staining a specimen by using the patch. The method includes positioning the patch to be in a first posture, which is an oblique posture, allowing the patch to access toward the surface of the substrate on which the specimen is located while the patch retains the first posture thereof, and bringing the patch to be in contact with the specimen placed on the substrate to deliver the staining reagent to the specimen.

Abstract: A tube-pin assembly for a heat exchanger of a vehicle includes a housing having an inlet into which exhaust gas flows; a plurality of tubes arranged inside the housing to provide a passage through which the exhaust gas flows; and cooling pins provided between the tubes to provide a coolant passage through which coolant flows, where a foamed metal made of a porous material is provided inside at least one of the tubes.

Abstract: The present disclosure relates to a culturing patch, culturing method, culture test method, culture test device, drug test method, and drug test device, and the culturing patch according to an aspect of the present disclosure includes component required for growth of an object to be cultured, and a mesh structural body provided in a mesh structure forming micro-cavities in which the component required for growth are contained that is configured to come into contact with a reaction region in which the object to be cultured is placed and provide some of the contained component required for growth to the reaction region.