baber/WOPTO huggingface dataset:
Patent KR-20210097943-A (KR)
Title: Method for manufacturing of vesicular korea paper tile, and the vesicular korea paper tile manufactured by the method
Inventor: KO YOUNG HO
IPC: E04F13/16
Filed: 2020-01-31
Abstract: The present invention relates to a method for manufacturing a porous Korean paper tile and to a porous Korean paper tile manufactured by the manufacturing method. More particularly, the present invention relates to a method for manufacturing a porous Korean paper tile and to a porous Korean paper tile manufactured by the manufacturing method that allows free application and cutting of designs that can be expressed through various patterns such as engraving and embossing on the surface of tiles or metal materials by producing tiles only by low-temperature drying without performing separate plastic processing, as a technology for manufacturing tiles using mulberry, which is a main raw material of Korean paper, so that it can have effects of adsorption, moisture-proof and aroma.
Patent KR-20210097978-A (KR)
Title: Selective Heavy metal adsorbent in industrial waste water and preparation method thereof
Inventor: YOON DONG HO
IPC: C02F1/62
Filed: 2020-01-31
Abstract: The present invention relates to a virgin pulp material having a heavy metal adsorption layer containing spherical hydrogel beads including chitosan and gelatin, and a method for manufacturing the same, wherein the adsorption material for selectively removing heavy metals comprises a heavy metal adsorption layer containing spherical hydrogel beads, thereby having an excellent heavy metal adsorption capacity. In addition, the virgin adsorption material for selectively removing heavy metals according to the present invention is capable of easily forming a heavy metal adsorption layer by injecting the heavy metal adsorption composition prepared by dispersing hydrogel beads and first paper material solution onto the rotating wire mesh of the Fourdrinier paper machine.
Patent KR-20210099714-A (KR)
Title: Slide sleeve hanger system
Inventor: JEOUNG TAE YEUN
IPC: A47G25/06
Filed: 2020-02-05
Abstract: Disclosed is a sliding sleeve hanger system that can be simply installed on one end of a clothes hanger or a clothes dryer to extend the length to secure a space for hanging clothes. The sliding sleeve hanger system of the present invention may include: a hollow structure configured on one side of a clothes hanger or a clothes dryer; a connector having one end inserted along the hollow of the hollow structure and having a hollow hole bored therein; a hanger rod that is slide-coupled along the connector to enter the hollow structure and has both ends formed into hollow holes; and an elastic locking member having one end that is fixed to the hollow holes of the hanger rod and the other end that is elastically deformed to enter the connector assembled on the hollow structure according to the entry of the hanger rod and then elastically restored to be locked to the connector, thereby preventing the separation of the hanger rod.
Patent KR-20210102780-A (KR)
Title: safety and arming device assembly machine
Inventor: BAE SANG YONG
IPC: F42C15/24
Filed: 2020-02-12
Abstract: The present invention relates to a safety and arming device assembling apparatus and, more specifically, to a safety and arming device assembling apparatus to automatically assemble a safety and arming device to prevent a misoperation of a fuse of a missile, a stray bullet, etc. In addition, the safety and arming device assembling apparatus comprises: a lower housing supply unit supplying a lower housing; a transport unit transporting a jig on which the supplied lower housing is put; a plurality of assembly units inserting components into the lower housing transported by the transport unit; a mounting unit which enabling an upper housing to be mounted on the lower housing into which the components are inserted; and a fusion unit fusing and fixing the upper housing mounted by the mounting unit.
Patent KR-20210104314-A (KR)
Title: Method for Widening Static Flow Learning Term Using Injector Closing Detection Time and Engine System thereof
Inventor: HAN JUNG SUK
IPC: F02D41/24
Filed: 2020-02-17
Abstract: The present invention relates to a method of expanding a static flowrate learning section using an injector closure sensing time applied to an engine system (1A). According to the present invention, with respect to the fuel injection of an injector (1-2), a fuel correction controller (2) calculates a Measure Window 2 measurement value, which is acquired when arriving at a waiting time (Tms) right after injection set to less than 50% in contrast to a maximum injector closure time value based on current injection, along with a Measure Window 1 measurement value acquired right before injection, as fuel pressure relative drop calculation values, and then, applies the values to a required fuel amount of fuel injection, and, as a result, a closure time learning value of the injector is used in real time as a closure sensing time of the injector to shorten a Measure Window 2 interval without causing FCV operation overlapping, and, in particular, the shortened Measure Window 2 interval causes a 50% reduction in contrast to the existing maximum injector closure time value to enable long-term continuous activation, and, accordingly, a static flowrate learning section can be expanded to a high-RPM and high-load section.
Patent KR-20210105561-A (KR)
Inventor: JEONG SEONG WOO
IPC: F28F9/02
Filed: 2020-02-19
Abstract: The present invention relates to a heat exchanger having a header structure that effectively prevents vibration and thermal deformation. The present invention is to provide a heat exchanger having a header structure that effectively prevents vibration and thermal deformation by forming ribs in the corresponding portion so as to increase the rigidity of the portion in which torsional deformation of the header occurs most.
Patent KR-20210110083-A (KR)
Title: Si DISTRIBUTED BRAGG REFLECTOR AND FABRICATION METHOD THEREOF
Inventor: CHO SEONG JAE
IPC: G02B5/08
Filed: 2020-02-28
Abstract: The present invention relates to a silicon dispersed Bragg reflector and a manufacturing method thereof. A silicon oxide film and a silicon layer are repeatedly stacked on a silicon substrate, or an air layer and a silicon layer are repeatedly stacked to form a reflective layer. Thereby, there is an effect of manufacturing a silicon dispersed Bragg reflector that is compatible with the existing silicon process and has a high reflectance of 99% or more in a visible light band.
Patent KR-20210111619-A (KR)
Title: Method, system and non-transitory computer-readable recording medium for estimating user's gesture from 2d images
Inventor: KIM SEOK JOONG
IPC: G06N3/08
Filed: 2020-03-03
Abstract: According to one embodiment of the present invention, a method of estimating a gesture of a user from a two-dimensional image includes the following steps of: acquiring a two-dimensional image regarding the body of a user from a two-dimensional camera; specifying two-dimensional relative coordinates matched with a first body part and a second body part of the user respectively in a relative coordinate system which is dynamically defined in the two-dimensional image, and comparing a position relation at a first moment between the two-dimensional relative coordinates of the first body part and the two-dimensional relative coordinates of the second body part, with a position relation at a second moment between the two-dimensional relative coordinates of the first body part and the two-dimensional relative coordinates of the second body part; and estimating a gesture performed by the user between the first and second moments by referring to a result of the comparison and context information acquired from the two-dimensional image. Therefore, the present invention is capable of efficiently estimating the gesture of the user with a small amount of resources.
Patent KR-20210112181-A (KR)
Title: Refrigerator
Inventor: YONGRAK JUNG
IPC: F25D17/06
Filed: 2020-03-04
Abstract: The present invention relates to a refrigerator which comprises: a cabinet having a storage space formed inside; a drawer unit including a door for opening and closing the storage space and a drawer body disposed at the rear side of the door to be accommodated into the storage space; a grill plate for partitioning the storage space into a cool air circulation space and a cool air generation space; a shroud assembly disposed on the rear surface of the grill plate to guide cool air to the cool air circulation space; a blower fan disposed in a central part of the shroud assembly to inject cool air to the cool air circulation space; and an evaporator disposed in the cool air generation space, wherein the grill plate includes: a discharge unit disposed on the front surface of the grill plate to have a plurality of discharge holes penetrating the grill plate from the front surface to the rear surface, thereby discharging the cool air to the cool air circulation space; and discharge guides disposed at both sides of the discharge unit to include an opening at one lateral surface and guide the cool air injected by a grill pan module to both sides of the cool air circulation space. Accordingly, the cool air discharged can flow evenly through the whole storage space.
Patent KR-20210115640-A (KR)
Title: Air cleaner using water
Inventor: CHO NAM HO
IPC: F24F13/08
Filed: 2020-03-16
Abstract: The present invention discloses a wet air purifier. According to an embodiment of the present invention, a wet air purifier comprises: a housing having an inlet through which external air is sucked in and an outlet through which the sucked air is purified and discharged to the outside, and containing fresh water therein; a purification unit provided inside the housing to purify external air; a filter unit for filtering the outside air and water, respectively; and a jet nozzle unit for spraying water into the purification unit. As the outside air comes into contact with the water sprayed from the jet nozzle unit to the purification unit, foreign substances in the outside air are collected and purified by the water.
Patent KR-20210115675-A (KR)
Title: Block chain system based on consensus algorithm of proof-of-rule and method thereof
Inventor: LEE JUNG WOO
IPC: H04L29/06
Filed: 2020-03-16
Abstract: Provided are a blockchain system based on consensus algorithm of a proof of rule method, and a method thereof. The blockchain system based on consensus algorithm of a proof of rule method according to an embodiment of the present invention is a blockchain system including a plurality of determinant nodes communicating with one another and communicating with a user node. Each of the determinant nodes handles a transaction published by the user node, binds the handled transaction by the constant time unit to perform a corresponding rounding for consensus, requests a chunk corresponding to a corresponding round from another round-synchronized node to receive the chunk, rearranges transactions included in the received chunk and a self-chunk based on a standard time stamp included in each transaction to generate a hypothesis, confirms the hypothesis as the block of the corresponding round in advance if the hash of each transaction is calculated and the self-calculated hash information corresponds to the hash information of the corresponding transaction, and modifies the state of the block and stored the pre-confirmed block. Therefore, consensus on a block can be confirmed swiftly in a simple process.
Patent KR-20210117536-A (KR)
Title: An electronic device including a plurality of antennas
Inventor: WOOJIN PARK
IPC: H04B7/0413
Filed: 2020-03-19
Abstract: The present invention relates to an electronic device including multiple antennas, capable of improving the performance of antennas. According to the present invention, the electronic device includes: a housing; a first antenna disposed inside the housing; a second antenna disposed inside the housing, and spaced apart from the first antenna; a printed circuit board disposed inside the housing; and a wireless communication circuit disposed on the printed circuit board, and configured to transmit or receive an RF signal within a designated frequency band through the first antenna and the second antenna.
Patent KR-20210117749-A (KR)
Title: Mtpa control method of permanent magnet synchronous motor using optimization technique
Inventor: KIM SANG HOON
IPC: H02P25/022
Filed: 2020-03-20
Abstract: One embodiment of the present invention relates to a method for controlling a maximum torque per ampere (MTPA) of a permanent magnet synchronous motor by using optimization technique, which comprises the following steps of: measuring an electrical current (I_s) supplied to a stator; using the measured electrical current (I_S) to calculate a copper loss (P_cu); using the calculated copper loss to define a correction factor (Q); and applying the calculated correction factor (Q) to a gradient descent algorithm to follow each current command (β_MTPA). In accordance with the present invention, although there are errors in parameters of the motor or resolver signals for measuring the location of the rotator, an optimal current angle where the copper loss is minimized within a short time under all driving conditions can be followed. Accordingly, only the size of an electrical current supplied to the stator is used to follow the optimal current angle.
Patent KR-20210119751-A (KR)
Title: Nonvolatile memory device and method for producing the same
Inventor: KIM YOUNG KYOO
IPC: H01L51/05
Filed: 2020-03-25
Abstract: The present invention relates to a non-volatile memory element, comprising: a substrate; a gate formed on the substrate; an insulating layer formed on the gate; a channel layer formed on the insulating layer; a first electrode positioned on a first region of the channel layer; and a second electrode positioned on a second region spaced apart from the first region of the channel layer. The insulating layer comprises a polymer represented by the formula 1 and a single molecule represented by the formula 2. Provided is the memory element with improved performance by improving dielectric constant and crystallinity of a thin film by forming ion nanoclusters in which the polymer of the insulating layer and the single molecule form ion nanoclusters.
Patent KR-20210121381-A (KR)
Inventor: AN WOONG JIN
IPC: C09J7/00
Filed: 2020-03-30
Abstract: The present invention relates to a packaging box which can be packaged even without a separate adhesive tape and a cutter. The packaging box of the present invention comprises: a box unit including a quadrangular lower plate, four side plates extending vertically to an edge of the lower plate to form an inner space, and four upper plates extending on top of the four side plates, respectively, to cover the inner space; a first adhesive unit for adhering two upper plates facing each other among the four upper plates; and a first release paper unit formed on the adhesive surface of the first adhesive unit to protect the first adhesive unit during storage.
Patent KR-20210121981-A (KR)
Title: An exhalation valve aperture for a face mask
Inventor: LIM WAN SOO
IPC: A62B18/02
Filed: 2020-03-31
Abstract: The present invention relates to an exhaust valve device for a mask. Unlike a conventional exhaust valve opening and closing method using elastic restoration force of a blocking barrier, the gravity force is used for closing the blocking barrier. Thus, the objective of the present invention is to increase exhaust efficiency even by exhalation with low pressure since the blocking barrier has low elastic force.
Patent KR-20210125283-A (KR)
Title: Apparatus for analyzing real gas in secondary battery
Inventor: LIM SOO YEON
IPC: G01N1/22
Filed: 2020-04-08
Abstract: The present invention relates to a secondary battery gas analyzing apparatus, which continuously analyzes a change in the pressure and gas in real time while a lateral side of a secondary battery is exposed to the outside. In one embodiment of the present invention, the secondary battery gas analyzing apparatus comprises: a top plate which has a gas collection unit; a main body jig which mounts the secondary battery on the bottom of the gas collection unit; a supporting plate which is mounted on the bottom of the top plate in the main body jig and tightly couples the top surface of the secondary battery with the bottom surface of the top plate; a fixing unit which has a penetration hole penetrating the top surface and the bottom surface of the top plate; a septum which is installed at the fixing unit; a punching needle which punches a top surface of a case of the secondary battery on the bottom of the gas collection unit by penetrating the septum; and a syringe which extracts gas of the secondary battery collected in the gas collection unit by penetrating the septum.
Patent KR-20210127007-A (KR)
Inventor: JI YONG KWAN
IPC: B60W60/00
Filed: 2020-04-13
Abstract: The present invention relates to a system for supporting autonomous parking of double-parked vehicles to reduce breakage risk to the vehicles, and a method thereof. According to one embodiment of the present invention, the system comprises: an autonomous vehicle transmitting a parking request to a parking lot of a destination after entering the destination, receiving parking lot information from a parking management system of the parking lot, and receiving a driving trajectory from an entrance to a parking space and a parking trajectory from the parking management system when entering the parking lot, thereby performing autonomous parking; and the parking management system determining whether parking is possible and selecting a parking space for the autonomous vehicle to park to generate the driving trajectory and the parking trajectory when receiving the parking request from the autonomous vehicle, and transmitting driving trajectory and parking trajectory information to the autonomous vehicle when the autonomous vehicle enters the parking lot.
Patent KR-20210128186-A (KR)
Inventor: KANG SEOKJU
IPC: D04H1/4334
Filed: 2020-04-16
Abstract: The present invention relates to a γ-single crystalline phase nylon-11 fiber membrane, and more specifically, to a nylon-11 fiber formed into γ single crystalline phase and exhibiting excellent thermal stability, electrolyte absorption and ion conductivity, and a fiber membrane. The γ-single crystalline phase nylon-11 fiber membrane according to the present invention can be applied as a separator for a sodium metal battery or a piezoelectric element.
Patent KR-20210131585-A (KR)
Title: 3D Printer
IPC: B29C64/227
Filed: 2020-04-24
Abstract: A 3D printer includes: a resin tank having a transparent bottom surface; a molding plate for ascending and descending within the resin tank, and supporting a molded product molded by stacking a plurality of unit molding layers; an elevating driving unit for elevating and driving at least one of the resin tank and the molding plate; an exposure unit having a plurality of pixel parts for performing upward exposure toward at least a partial area of the bottom surface; a light refraction guide unit for refracting light irradiated from the exposure unit to form a refracting focus of the light on an inner surface of the bottom surface of the resin tank so as to guide the light to allow the exposure to be performed in a stacking direction of the unit molding layers; and a control unit for controlling the exposure unit to output inverted light having an exposure area that has a shape inverted with respect to a shape of the unit molding layer, and controlling the elevating driving unit to allow the molding plate to move upward apart from the bottom surface of the resin tank while the inverted light is output. Accordingly, a molding speed and molding quality are improved.
Patent KR-20210132963-A (KR)
Title: A treatment apparatus and method for zero liquid discharge of waste water
IPC: C02F1/52
Filed: 2020-04-28
Abstract: According to the present invention, provided are a wastewater non-discharge treatment device and a method thereof, wherein the wastewater non-discharge treatment device includes: a concentrator for concentrating wastewater; an evaporation crystallizer for further concentrating the concentrated water introduced from the concentrator to be crystallized by evaporating the same; a cooling crystallizer for generating crystals by cooling the concentrated water introduced from the evaporation crystallizer; a dehydrator for separating the crystals and a filtrate produced in the cooling crystallizer; and a cooling system for cooling the concentrated water introduced into the cooling crystallizer, and the filtrate separated from the dehydrator exchanges heat with a refrigerant of the cooling system and is recovered to the evaporation crystallizer. According to the wastewater non-discharge treatment device and the method of the present invention, the overall energy consumption can be reduced, a system configuration can be simply implemented, a heat source discarded to the outside can be minimized by reducing influence of external air temperature by removing a cooling tower, and capital investment (CAPEX) and operating costs (OPEX) can be reduced by simplifying a process. In addition, a problem of scale occurring when conventional concentrated water passes to a shell side can be solved.
Patent KR-20210133500-A (KR)
Title: Vehicle equipped with cargo box and vehicle control system including the same
IPC: B60J5/10
Filed: 2020-04-29
Abstract: Introduced is a vehicle equipped with a loading apparatus, comprising: a vehicle body having a boarding space for a driver or a passenger to board; a front wheel and a rear wheel arranged to be spaced apart from each other in the front-rear direction on the vehicle body to support the vehicle body from a lower part; a loading body coupled to the vehicle body so as to be positioned at the rear of the boarding space, which in which a portion of a front end overlaps with a rear wheel in the front-rear direction from above the rear wheel, extending in the front-rear direction so that a rear end is located behind the rear wheel, and having a loading space inside; and a loading door rotationally coupled to the loading body to open or close the loading space. An objective of the present invention is to provide the vehicle equipped with the loading apparatus having a space for loading a cargo in a small vehicle, and a system for controlling the same.
Patent KR-20200050928-A (KR)
Title: Portable air caring apparatus
Inventor: KIM YOUNGJUN
IPC: B01D46/00
Filed: 2020-04-29
Abstract: Disclosed is an invention for a portable air purifier having a structure to improve portability while maintaining battery capacity and air purification performance. The disclosed invention includes: a case in which an accommodation space is formed inside and one side and the other side in the front and rear direction of the accommodation space are opened; a fan assembly accommodated in the accommodation space and equipped with a blower fan; a filter accommodated in the accommodation space and disposed behind the fan assembly; a battery accommodated in the accommodation space and disposed under the fan assembly and the filter; a sensor module accommodated in the accommodation space, disposed under the fan assembly and the filter, and coupled with the battery; and a mounting part provided on the battery to regulate the coupling position between the sensor module and the battery.