baber/WOPTO huggingface dataset:
Patent KR-20210141143-A (KR)
Title: Method and apparatus for user activity detection and channel estimation in a wireless communication system supporting massive mimo
IPC: H04L25/02
Filed: 2020-05-15
Abstract: Disclosed are a user detection technique, and a method and an apparatus for channel estimation in a wireless communication system supporting massive multiple-input multiple-output. The method comprises the steps of: receiving a superimposed signal including a transmission signal of at least one user equipment (UE) from among a plurality of UEs, wherein each transmission signal includes a pilot signal of a corresponding UE; calculating a sample covariance matrix from the received superimposed signal by using the number of antennas of a base station and a pilot signal matrix of the at least one UE; calculating a likelihood function indicating the likelihood probability of the received superimposed signal, on the basis of the number of antennas of the base station and the received superimposed signal; detecting a user index set indicating whether or not the plurality of UEs have transmitted signals, by using the calculated likelihood function and the sample covariance matrix; and performing channel estimation of the at least one UE which is transmitting the signal, on the basis of the detected user index set. In accordance with the present invention, optimal channel estimation performance can be expected.
Patent KR-20210141146-A (KR)
Title: Display appartus having display module and manufacturing method thereof
IPC: G02F1/1333
Filed: 2020-05-15
Abstract: According to the spirit of the present invention, provided are a display module and a display device including the same, wherein the display device includes: a substrate including a mounting surface on which a plurality of inorganic LEDs are mounted, and a side surface; a cover which adheres to the mounting surface and covers the mounting surface; and a side member disposed under the cover in a direction to which the mounting surface faces and provided on the side surface. The cover is disposed more outside than the mounting surface in the direction in which the mounting surface extends, and the side member is provided so as to adhere to at least a portion of a lower surface and the side surface of the area extending further outward than the mounting surface of the cover.
Patent KR-20210143998-A (KR)
Title: Polishing system
IPC: B24B41/00
Filed: 2020-05-21
Abstract: The present invention relates to a polishing system, capable of efficiently polishing both surfaces of a workpiece through a continuous process, which comprises: a forward conveyor for transferring a tray; a return conveyor installed in parallel with the forward conveyor; a first lifter; a second lifter; a plurality of primary polishing devices for polishing a first surface; a plurality of secondary polishing devices for polishing a second surface; and a workpiece pressurization fixing device.
Patent KR-20200093475-A (KR)
Title: Method for processing transaction via external node on blockchain and apparatus for performing the method
Inventor: TEGELUND BJORN
IPC: H04L9/06
Filed: 2020-05-21
Abstract: The present invention relates to a method for processing a transaction using an external node on a blockchain and an apparatus for performing the same. The method for processing a transaction using an external node on a blockchain comprises the steps of: setting, by a setting node, an internal node and the external node; setting, by the setting node, a first data transaction authority for the internal node; and setting, by the setting node, a second data transaction authority for the external node, wherein the first data transaction authority may be an operation authority on a blockchain network, set for the internal node, and the second data transaction authority may be an operation authority on the blockchain network, set for the external node. Therefore, the present invention can enable limited operations on the blockchain network by setting a certain authority to the external node.
Patent KR-20210145550-A (KR)
Inventor: CHUN JI YEON
IPC: A23B4/30
Filed: 2020-05-25
Abstract: The present invention relates to a hygienic cleaning method for reducing microbial contamination of cockles using bubble immersion washing and a natural washing agent and, more specifically, to a hygienic cleaning method for reducing microbial contamination of cockles using washing water containing vinegar or brine as a natural cleaning agent and a bubble immersion cleaning method. According to the present invention, a method for washing cockles using a natural cleaning agent with excellent antibacterial action and a bubble immersion cleaning method, as an eco-friendly cleaning method without affecting the quality of food, removes foreign substances from the cockles by air bubbles and effectively reduces the number of initial microorganisms, thereby extending a freshness maintenance period, securing sanitary safety, and being usefully used in manufacture of high-quality cockle food. The method comprises an input step, a bubble immersion step, a bubble cleaning step, a water discharging step, and a dehydrating step.
Patent KR-20200080207-A (KR)
Title: Product distribution method and server using auction
Inventor: JEON SEUNG
IPC: G06Q30/06
Filed: 2020-06-24
Abstract: Embodiments of the present invention relate to a product distribution method and a server using an auction. According to the present invention, the product distribution method using the auction comprises: a step of receiving auction information on products provided by a seller, which includes the seller information, quantity of the products, the maximum estimated price of the products, and the starting price suggested by the seller; a step of providing the auction information to a user; a step of receiving bidding information including a bidding price between the maximum estimated price and the starting price and the bidding quantity, which is equal to or smaller than the product quantity, from one or more bidders; a step of, when a preset time has passed, determining the successful bidder group based on the product quantity and the bidding information; a step of determining the highest bidding price among the bidding prices of the unsuccessful bidders who are not included in the successful bidder group as the sale price for the products; and a step of applying the sale price to the successful bidder group, and requesting the payment. The present invention aims to provide the product distribution method and the server using an auction, which are able to provide benefits to all of the seller, the purchaser, and the distribution service provider.
Patent KR-20220004902-A (KR)
Title: Biodegradable spandex fiber and manufacturing method for the same
Inventor: KOO KYO SUNG
IPC: D01D1/02
Filed: 2020-07-03
Abstract: According to the present invention, disclosed are a biodegradable spandex fiber and a manufacturing method thereof. According to an embodiment of the present invention, the biodegradable spandex fiber adds polycaprolactone (PCL) to a spandex polymer. The spandex fiber, manufactured by this new composition, has significantly increased biodegradability without hindering the existing physical properties.
Patent KR-20220006237-A (KR)
Inventor: KIM DOHYEON
IPC: G06K9/00
Filed: 2020-07-08
Abstract: An electronic device includes a display including a sensing panel set to detect handwriting input, a processor operatively connected to the display, and a memory operatively connected to the processor. Instructions are stored in the memory. When the instructions are executed, the processor acquires through the display the handwriting input including first handwriting input corresponding to a first line and second handwriting input corresponding to a second line, determines whether to merge the second line with the first line or maintain the second line based on whether at least one of the first handwriting input and the second handwriting input satisfies a designated condition, converts into a text the handwriting input to which the merging or maintaining of the second line is applied, and displays the text converted from the input through the display. Various other embodiments are also possible.
Patent KR-20210086432-A (KR)
Inventor: LIN TA CHUN
IPC: H01L29/786
Filed: 2020-07-09
Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first device formed on a substrate. The first device includes a first fin structure. The semiconductor device structure also includes a second device formed above or below the first device. The second device includes a plurality of second nanostructures stacked in a vertical direction.
Patent KR-20220007958-A (KR)
Title: Augmented reality based cognitive rehabilitation training system
Inventor: LEE HYUN MIN
IPC: G09B7/04
Filed: 2020-07-13
Abstract: The present invention relates to an augmented reality-based cognitive rehabilitation training system, comprising: a photographing unit which photographs a user's hand; an image generation unit which generates an augmented reality image by augmenting a training image, by which a user is able to perform cognitive rehabilitation training, in a photographed image provided by the photographing unit; a display unit which displays the augmented reality image generated by the image generation unit to the user; a motion detection unit which detects the user's hand motion in the photographed image photographed by the photographing unit; and a data processing unit which analyzes the user's hand motion during cognitive rehabilitation training based on detection information detected by the motion detection unit, and provides analysis information to the user. The augmented reality-based cognitive rehabilitation training system, according to the present invention, provides rehabilitation training contents as augmented reality images to the display unit so as to easily provide rehabilitation training in more diverse situations to a user, thereby increasing training efficiency.
Patent KR-20220012655-A (KR)
Inventor: SEO YONG SEOK
IPC: A41D13/11
Filed: 2020-07-23
Abstract: Disclosed is a goggle-type face mask capable of masking the entire face. The goggle-type face mask includes a masking part for masking the mouth and nose, and a goggle part for masking the eyes. The goggle part adheres to the masking part and is formed of a transparent material. The goggle-type face mask according to the present invention can mask not only the mouth and nose, but also the eyes, that is, the entire face can be masked, so that it can be used in an environment with a lot of fine dust, smoke, and the like.
Patent KR-20200096439-A (KR)
Inventor: GANG SI JIN
IPC: B60R16/023
Filed: 2020-07-25
Abstract: The present invention relates to a school bus safety device. A purpose is to prevent an accident to children by transmitting a temperature rise in the interior of a school bus to a smartphone of a manager when there is a child in the school bus. According to the present invention, the school bus safety device comprises: a smartphone; a vehicle notification application icon enabling a vehicle notification application window to be popped up by a touch from a user on a main window of the smartphone; a vehicle notification application window popped up by the vehicle notification application icon to inform whether there is a child in a school bus; a vehicle temperature and humidity sensor sensing the temperature of the school bus interior; a vehicle human body sensing sensor sensing whether there is a child in the school bus; a vehicle carbon dioxide sensor sensing carbon dioxide in the school bus; and a vehicle communication device transmitting signals sensed by the vehicle temperature sensor and the vehicle human body sensing sensor to the smartphone through a network. Therefore, the present invention can have an effect of preventing an accident to children by transmitting a temperature rise in the interior of a school bus to a smartphone of a manager when there is a child in the school bus.
Patent KR-20220015772-A (KR)
Inventor: KIM NAM EUNG
IPC: F17C13/04
Filed: 2020-07-31
Abstract: The present embodiment relates to a gas supply device and a connector fastening method, which can detect the occurrence of abnormal loads in an initial fastening section to determine whether fastening abnormalities occur early when connecting a valve connector of a gas storage container and a connecting pipe connector connected to a gas source. To this end, according to the present embodiment, the gas supply device comprises a control unit which controls the operation of an actuator to connect the connecting pipe connector and the valve connector or a cover and the valve connector, divides the total fastening section in which the connecting pipe connector and the valve connector or the cover and the valve connector are fastened into the initial fastening section and a late fastening section according to a preset standard, and determines whether a load greater than a preset abnormal load occurs in the initial fastening section.
Patent KR-20220016578-A (KR)
Inventor: PARK DONG KWON
IPC: E06B11/02
Filed: 2020-08-03
Abstract: The present invention relates to an automatic sliding gate system for a bus or a gate capable of mask wearing identification and body temperature measurement. The automatic sliding gate system for a bus or a gate capable of mask wearing identification and body temperature measurement comprises: a gate; a visitor determination unit provided on the gate and photographing a visitor intending to enter the gate to determine whether the visitor can enter; and a control unit controlling to open and close the gate in accordance with a determination result of the visitor determination unit. The visitor determination unit recognizes the face of the visitor from an image of the visitor photographed and then determines whether the visitor can enter based on whether the visitor wears a mask. The technique disclosed in the specification is applied to a bus to automatically refuse a passenger who does not wear a mask to prevent an unnecessary argument between a bus driver and the passenger. The technique disclosed in the specification can also be applied for a gate purpose, and visitors intending to bypass the gate to enter an event hall are blocked when an event takes place in a wide square by providing a foldable barricade on the side of the gate.
Patent KR-20220017144-A (KR)
Inventor: YUN GWANG NAM
IPC: B01D17/02
Filed: 2020-08-04
Abstract: The present invention relates to a recycling method of waste polystyrene, and more specifically, to a recycling method of waste polystyrene which dissolves and precipitates waste polystyrene using an eco-friendly solvent and water and then performs foaming without using an additional foaming agent to prevent environmental pollution and not to change the physical properties of polystyrene itself. In addition, the recycling method of waste polystyrene can regenerate the high-quality polystyrene, industrially usefully treat the waste polystyrene, and regenerate the polystyrene due to a high solvent recovery rate.
Patent KR-20220020093-A (KR)
Inventor: LEE KYUNG GAM
IPC: A62C27/00
Filed: 2020-08-11
Abstract: Proposed are a fire-fighting special vehicle capable of conducting remote self-diagnosis and a monitoring system thereof. According to the present invention, the fire-fighting special vehicle comprises: an operation console mounted on an operation board of the driver's seat and a pump chamber; an I/O node accessing an indicator for displaying various sensors and information of the fire-fighting special vehicle; and a body control module (BCM) interfacing the operation console and the I/O node and performing the self-check function based on the values inputted from the I/O node. The operation console, the BCM, and the I/O node are connected to each other via a can bus, and perform the controller area network (CAN) communication. In addition, the present invention additionally includes a remote diagnosis unit communicating with the fire-fighting special vehicle in a wired or wireless manner. The remote diagnosis unit is capable of monitoring and remotely diagnosing the sensors and devices placed in the fire-fighting special vehicle.
Patent KR-20220021970-A (KR)
Inventor: EUN YOUNG KEE
IPC: G06K9/00
Filed: 2020-08-14
Abstract: The present invention provides an unmanned parcel management system, which includes: a recognition unit which obtains vision information on at least one visitor and at least one parcel product entering and exiting the parcel storage area, and generates barcode information recognizing a parcel barcode tagged by a parcel delivery man among at least one visitor, and a character barcode tagged by a recipient among at least one visitor; a server unit which extracts size information, movement path information, location information, number information, stacking information and labeling information of at least one parcel product based on vision information and determines whether the parcel product is stolen based on the vision information and barcode information; and an output unit which outputs a result according to whether the parcel product is stolen or not.
Patent KR-20200100027-A (KR)
Title: Method and device for text-based image retrieval
Inventor: EUNAE YI
IPC: G06F16/58
Filed: 2020-08-18
Abstract: The present invention relates to a method for searching an image based on text detected in an image, and to a device thereof. The method of the present invention comprises the steps of: photographing an object including at least one text; displaying an image including the photographed object; extracting the text from the displayed image; setting at least a part of the extracted text as a tag word for the image; matching the image with the tag word in accordance with the user input and storing the image as an image file; executing a gallery function for managing a plurality of image files including the stored image file; and providing a search function for searching at least one image file among the plurality of image files based on the text.
Patent KR-20210027105-A (KR)
Title: Resist composition and method of forming resist pattern
Inventor: SUNAMICHI Tomonari
IPC: G03F7/20
Filed: 2020-08-19
Abstract: The present invention relates to a resist composition which generates acid by exposure and changes solubility in a developer by the action of the acid. The resist composition comprises: a base component (A) whose solubility with respect to the developer changes by the action of the acid; and a polyether compound whose weight average molecular weight is 400 or more, wherein the content of the polyether compound is 0.8 to 32 parts by mass with respect to 100 parts by mass of the base component (A), and solid concentration is 25 mass% or more.
Patent KR-20220025463-A (KR)
Title: Fishing rod supporter
Inventor: SONG HWA SUK
IPC: A01K97/10
Filed: 2020-08-24
Abstract: According to the present invention, mounting members on which the fishing rod is mounted are spaced apart at regular intervals so that mounted fishing rods are prevented from interfering with each other; the mounting members are adjusted to face different directions so that fishing rods are mounted in different directions; and the mounting member is moved forward and backward so that the mounted fishing rods are also moved forward and backward. The feature of the present invention includes: mounting members (100) on which fishing rods are hung and mounted; a fixing member (200) to which the mounting members (100) are fixed at regular intervals; a support member (300) supported in a state in which front and rear positions of the fixing member (200) are adjusted; and a leg member (400) supported on the ground in a state connected to the support member (300).
Patent KR-20220025572-A (KR)
Title: Chinese type Antigen variant Infectious Bursal Disease Virus isolated in South Korea and Vaccine composition comprising the same
Inventor: JANG IL
IPC: A61K39/12
Filed: 2020-08-24
Abstract: The present invention relates to antigenic variant avian infectious bursal disease virus and a vaccine composition comprising the same. The infectious bursal disease virus strain (Accession No: KCTC18835P) is a novel, Chinese-type antigenic variant avian infectious bursal disease virus strain which has been isolated from chickens in Korea. The virus strain of the present invention can be effectively used to prevent the antigenic variant avian infectious bursal disease virus infection that is prevalent in Korea.
Patent KR-20220026741-A (KR)
Title: Automatic driving system and location estimating method for moving object
Inventor: PYO JEONG WON
IPC: G05D1/02
Filed: 2020-08-26
Abstract: The present invention relates to autonomous driving technology and more specifically, to an autonomous driving system and a location estimating method for a moving object, which can accurately determine the location of the moving object by identifying surrounding buildings while the moving object is autonomously driving. To this end, the autonomous driving system for a moving object according to the present invention comprises: a moving object that extracts specific areas assumed to be components of a building in an image based on image information and sensor signals and generates distance information between the specific areas; and an autonomous driving management server that receives the specific areas and the distance information between the specific areas from the moving object to analyze attribute information of the specific areas, determines the specific areas as the components of the building based on a result of the analysis, creates a correlation graph based on an inclusion relationship and the distance information between the determined components, identifies the building by comparing the generated correlation graph with a predefined correlation database, and transmits information on the identified building to the moving object.
Patent KR-20220027673-A (KR)
Title: Spiral wound type ultrafiltration module for manufacturing ultrapure water and System of manufacturing ultrapure water
Inventor: BYUN GWANGSU
IPC: B01D69/06
Filed: 2020-08-27
Abstract: The present invention relates to an ultrafiltration module and an ultrapure water cleaning system using the same, and more specifically, to an ultrafiltration module and an ultrapure water cleaning system using the same, wherein the ultrafiltration module is manufactured by winding a flat membrane instead of a hollow fiber membrane, and ultrapure water is cleaned (or manufactured) by using the same, thereby reducing cleaning time and securing a stable particle removal rate against changes in the operating environment of the ultrafiltration module.