baber/WOPTO huggingface dataset:
Patent KR-20200033817-A (KR)
Title: Door frame
Inventor: HONG SUNG JOO
IPC: E06B3/964
Filed: 2020-03-18
Abstract: The present invention relates to a door frame and, more specifically, to a door frame in which mohair can be mounted on a horizontal frame and a vertical frame. According to the present invention, the door frame comprises: the horizontal frame having a rectangular parallelepiped shape and having a pair of first mounting grooves formed in the longitudinal direction of both sides of an upper surface so that the mohair can be mounted thereon; the vertical frame having the rectangular parallelepiped shape and having a hollow inner portion; and a connection means configured to connect the horizontal frame to the vertical frame at a right angle. The connection means comprises: a hexahedron-shaped base inserted into the vertical frame; second mounting grooves in which the mohair is mounted on an upper portion of the base; and an insertion protrusion protruding from a portion between the second mounting grooves to one side to be inserted between the pair of first mounting grooves.
Patent KR-20210117731-A (KR)
Title: The blockchain-based transaction history confirmation system
Inventor: JI SONG HAK
IPC: H04L9/32
Filed: 2020-03-20
Abstract: Provided is a blockchain-based transaction history confirmation system to minimize the size of stored blockchain data while protecting customer privacy. According to the present invention, the blockchain-based transaction history confirmation system comprises: a user terminal in which a transaction history confirmation program is installed and a first block chain including transaction details through the transaction history confirmation program is stored; and an entire data server verifying validity of the transaction details stored in the transaction history confirmation program installed in the user terminal and storing a second block chain including the entire transaction details. The second block chain is a connection structure of blocks recording the entire transaction history details generated through the entire data server and the first block chain has a structure in which only blocks, in which transaction details related to the user related to the user terminal are recorded, are selected and connected among the blocks of the second block chain. Since the blocks included in the first block chain and the second block chain include a previous block hash value and a previous block hash value based on a specific user node, the first block chain forms a blockchain through connection of the previous block hash value based on the specific user node and the second block chain forms a blockchain through connection of the previous block hash value.
Patent KR-20210120514-A (KR)
Title: Electronic voting system and method based on homogeneous cryptography
Inventor: OH HYUN OK
IPC: G06Q50/26
Filed: 2020-03-27
Abstract: Disclosed are an electronic voting system based on homogeneous cryptography to satisfy resistance to external pressures and assurance of confirmation, and a method thereof. According to the present invention, an electronic voting method comprises the following steps: (a) generating a serial number (sn) by using election identification information (eid) and a user's private key, wherein the election identification information (eid) is shared through a blockchain; (b) encrypting a voting message (M) through a verifiable homogeneous cryptography to generate a ciphertext (CT) and generating a zero-knowledge proof key (π) for the voting message (M); and (c) transmitting an electronic ballot including the serial number (sn), the cipher text (CT), and the zero-knowledge proof key (π) to a blockchain network as a transaction.
Patent KR-20200116418-A (KR)
Inventor: MARCO VOLPATO
IPC: B01F23/47
Filed: 2020-03-27
Abstract: An apparatus (1) for mixing two or more reactive liquid components or resins at high pressure comprises a head-body (2) provided with a mixing chamber (3) having an inlet opening (5) and an outlet opening (6) for injecting and recirculating reactive components, and a single-piece tubular element (7) for delivering a mixture communicates with the mixing chamber (3) through an intermediate transverse hole (13) and receives a cleaning member (11) in a sliding manner. Deformation detection means (E1, E2, E3, E4) can monitor operating conditions of a self-cleaning mixing apparatus (1).
Patent KR-20210126172-A (KR)
Title: Respiration training apparatus
Inventor: HONG SEONG TAE
IPC: A63B71/06
Filed: 2020-04-09
Abstract: Provided by the present invention is a breathing training device which measures a trainee's current oxygen saturation in real-time and automatically sets a training goal such as a breathing time and breathing intensity based on the measured current oxygen saturation so as to provide a customized breathing training environment to the trainee in real-time. According to the present invention, the breathing training device is capable of setting a customized breathing training schedule according to the trainee's current breathing state reflecting the oxygen saturation by using oxygen saturation information output from an oxygen saturation sensor unit formed on a part of a case when the trainee performs a breathing test. In addition, instead of setting the breathing intensity by the mechanical method, the breathing training device varies the resistance according to the preset breathing training schedule so as to enable the trainee to perform a breathing training immediately according to various breathing intensities, thereby enabling the trainee to concentrate on breathing training. Therefore, the trainee can feel a sense of achievement, and an interest of the trainee can be aroused, and thus, efficiency in breathing training can be improved.
Patent KR-20210126836-A (KR)
Inventor: LEE YONG HEUM
IPC: A61H23/02
Filed: 2020-04-10
Abstract: The present invention relates to a chair for treatment of diseases, which comprises: a seat part including a seat plate part to which a user's lower body is in contact, and a back part connected to a rear end of the seat plate part so as to be perpendicular to the seat plate part so that the upper body of the user is in contact with the back part wherein being able to lay down on a rear side based on the seat plate part is possible; a moving part connected to a lower side of the seat part and provided to be movable on the floor; and a plurality of stimulation units arranged so that an upper surface thereof is exposed to the outside, and providing at least one of magnetic field stimulation and sound wave vibration stimulation toward a body part of a user seated in the chair for treatment of diseases. The seat part may comprise a control part for controlling the operation of the plurality of stimulation units. The present invention can more effectively treat various diseases, such as musculoskeletal disorders, muscle pain, arthritis, and blood flow disorders, by non-invasively delivering stimulation to the inside of the human body.
Patent KR-20200122251-A (KR)
Title: Laminate and image display device
Inventor: SONG BYUNGHOON
IPC: B32B27/06
Filed: 2020-04-16
Abstract: The objective of the present invention is to provide a laminate comprising an optical film, a touch sensor layer and an adhesive layer, wherein the laminate is excellent in flexibility and has a fast response speed. According to the present invention the laminate comprises: an optical film and a touch sensor layer having a transparent electrode layer, wherein the adhesive layer is installed on a surface of the touch sensor layer that is opposite to the optical film, the surface resistance of the transparent electrode layer is less than or equal to 90Ω/□, the relative dielectric constant of the adhesive layer at a frequency of 100 kHz is less than or equal to 4.5, and the thickness of the pressure-sensitive adhesive layer is greater than or equal to 5 μm and less than or equal to 90 μm.
Patent KR-20200123019-A (KR)
Title: Display driving device
Inventor: KIM YOUNG BOK
IPC: G09G3/30
Filed: 2020-04-16
Abstract: The present invention discloses a display driving device which detects a pixel signal of a display panel. The display driving device includes: sensing lines configured to sense pixel signals of a display panel; and a voltage limiter provided for each of the sensing lines. The voltage limiter senses a voltage variation of the sensing line, and limits a voltage level of the sensing line to a reference voltage, thereby minimizing the influence of a bad pixel of the display panel on sensing data of a normal channel by limiting an abrupt voltage variation due to an overcurrent having occurred in the bad pixel.
Patent KR-20200044752-A (KR)
Inventor: KOYAMA KOJI
IPC: B29K101/12
Filed: 2020-04-16
Abstract: Provided is a method for manufacturing a thermoplastic resin film having high thickness precision. The method for manufacturing a thermoplastic resin film of the present invention comprises a step of inserting a melting thermoplastic resin material (3) on a sheet extruded from a die (2) into a gap between two cooling rolls (4, 5). A stepped portion (10) having an external diameter smaller than an external diameter of a roll center portion is formed around the outer circumferential surface of both ends of a cooling roll of at least one of the two cooling rollers (4, 5). When the melting thermoplastic resin material (3) is inserted between the two cooling rolls (4, 5), the melting thermoplastic resin material (3) is also inserted between the stepped portion (10) and a cooling roll of the other one of the cooling rollers. Linear pressure applied to the melting thermoplastic resin material (3) between the stepped portion (10) and the cooling roll of the other one of the cooling rollers is substantially 0 kgf/cm.
Patent KR-20210130469-A (KR)
Title: B2C Online Shopping Mall Platform Based on Wholesale Market
IPC: G06Q10/08
Filed: 2020-04-22
Abstract: The present invention relates to a business-to-consumer (B2C) online shopping mall platform based on a wholesale market to efficiently implement transactions between wholesalers and consumers. According to the present invention, the B2C online shopping mall platform comprises: a user terminal accessing the platform according to a user's wish (consumer) to purchase a product to perform membership registration, pay a monthly fee according to use of the platform, perform payment according to product purchase, and select a product reception type between home delivery and quick service; a platform server providing various product information uploaded by shopping mall operators when the user terminal accesses the platform and receiving and processing ordered product information from the user terminal along with payment processing; a shopping mall operator terminal accessing the platform server and uploading the product information including photo information, price information, and detailed information about a product to be sold, and processes information about product information inquiry requested through the user terminal; an operator terminal performing an order request to the shopping mall operator terminal for the product ordered through the user terminal and processing payment to the shopping mall operator terminal for an product amount paid after the user makes the order; and a delivery agency server receiving the delivery information and processing delivery to deliver the product ordered through the user terminal when a delivery request is made through the operator terminal.
Patent KR-20210131168-A (KR)
Title: Method for manufacturing rare-earth permanent magnet and Rare-earth permanent magnet manufactured thereby
IPC: H01F41/02
Filed: 2020-04-23
Abstract: The present invention relates to a manufacturing method for a rare-earth permanent magnet capable of offsetting a phenomenon of locally non-uniform demagnetization by making a diffusion amount of a heavy rare-earth diffused at the grain boundary vary per area. The manufacturing method of the rare-earth permanent magnet according to one embodiment of the present invention comprises: a base material preparation step of preparing a base material of a sintered magnet using an Nd-Fe-B alloy; an application material preparation step of preparing an application material containing a heavy rare-earth powder; an application step of applying the application material to a surface of the base material, but applying so that there is a difference in the amount of application material applied for each area; and a grain boundary diffusion step of heat-treating the base material applied with the application material to diffuse the heavy rare-earth contained in the application material to the grain boundary of the base material.
Patent KR-20210102011-A (KR)
Title: Method of manufacturing a pervaporation composite membrane and a pervaporation composite membrane prepared thereby
Inventor: NAM SEUNG EUN
IPC: B01D69/12
Filed: 2020-04-24
Abstract: The present invention relates to a method for manufacturing a pervaporation composite membrane for recovering by-products of an epoxy manufacturing process. The pervaporation composite membrane prepared through the manufacturing method is capable of improving a pervaporation separation performance as a chemical structure of a polyimide forming layer is densified by heat-treating a polyimide-coated support, which leads to an improvement in the selectivity of the membrane. In addition, when the pervaporation composite membrane is introduced into an epoxy resin manufacturing process, there is an effect of selectively removing water and recovering unreacted by-products ECH and IPA with high purity and a high yield.
Patent KR-20210086932-A (KR)
Title: Manufacturing of low temperature glass ring used for sealing aluminum composite material and glass insulation terminal and its use method
Inventor: WANG ZHENJIANG
IPC: C03B19/06
Filed: 2020-04-27
Abstract: The present invention relates to a method for manufacturing a low temperature glass ring used in sealing an aluminium composite and a glass insulation terminal and a method of using the same. The purpose of the present invention is to solve problems of high production cost, high consumption of energy, low efficiency, weak density of a composite glass low temperature layer, and low air-tightness standard reach rate, which occur when using glass powder containing lead in a conventional process of sealing an aluminium composite and a glass insulation terminal. Since the present invention uses a non-customized sealing method, sintering is performed by using a corresponding mold without pelletizing low temperature glass powder, thereby obtaining a low temperature glass ring. After then, a glass insulation terminal and the low temperature glass ring are placed in a hole of the end of a composite housing of a device to be packaged, and are sintered one time so as to be sealed. The present invention is used packaging for phased-array radars T/R packing of aircraft, spaceflight, navel ship or ground, and sealing a metal housing of a precision component and a glass component in the other field.
Patent KR-20210133803-A (KR)
IPC: H01M4/505
Filed: 2020-04-29
Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery, which is not broken at a high electrode density, to a manufacturing method thereof, and to a lithium secondary battery including the same. According to the present invention, the positive electrode active material comprises a plurality of primary particles, at least one secondary particle including agglomerates of the plurality of primary particles, or a combination thereof. The primary particles have a crystal structure of alpha-NaFeO_2 type and includes lithium transition metal oxide containing at least one of Ni, Co, Mn, and Al, wherein a part of transition metal sites in a crystal lattice of the crystal structure is substituted with a doping element (M), a part of oxygen element sites in the crystal lattice is substituted with sulfur element (S), the M includes Mg, Ti, Zr, W, Si, Ca, B, V, or a combination thereof and is included by the amount of 1,000 to 4,000 ppm among the lithium transition metal oxide, and the S is contained by the amount of 1,000 ppm or less among the lithium transition metal oxide.
Patent KR-20200056362-A (KR)
Title: Anti-fog mask
Inventor: HAN SANG GEUN
IPC: A41D13/11
Filed: 2020-05-04
Abstract: The present invention relates to a mask for preventing fogging. More specifically, the present invention relates to the development of a mask for preventing fogging of spectacles which, in order to prevent fogging in spectacles due to exhalation of hot and humid exhaust air when a masked person wearing spectacles exhales, inserts a plastic film for blocking into an upper curved fabric inner layer to not allow discharged exhale goes upward in the direction of spectacles.
Patent KR-20210136391-A (KR)
Title: Method for manufacturing pre-sodiated carbon, electrode materials or conducting agent for secondary battery manufactured thereby and secondary battery including the same
IPC: H01M4/62
Filed: 2020-05-07
Abstract: The present invention relates to a method for manufacturing pre-sodiated carbon, which comprises the steps of: (a) manufacturing mixed powder of sodium (Na) and carbon (C); and (b) applying mechanical energy to the mixed powder to manufacture the pre-sodiated carbon by using a non-electrochemical pre-sodiation reaction. According to the present invention, pre-sodiated carbon can be simply and efficiently manufactured by using ball milling, which is a simple solid synthesis method, without complicated and inefficient processes such as chemical methods. In addition, when the manufactured pre-sodiated carbon is used as an electrode active material or a conductive agent of a secondary battery, excellent initial efficiency is provided while high capacity is maintained, and thus a secondary battery system having high capacity and excellent cycle life can be implemented.
Patent KR-20210137667-A (KR)
Title: Magnetic open and closed type lipstick container
IPC: A45D40/06
Filed: 2020-05-11
Abstract: The present invention relates to a lipstick container which can be opened and closed using magnetic force and, more specifically, to a lipstick container which is configured to have a lid on the upper part of a container body so as to close the container, and allows the lid to be easily closed by using magnetic adhesive power of a magnetic object installed inside the container body and the lid. The lipstick container which can be opened and closed using magnetic force is provided with a lid misalignment preventing means which prevents a lid misalignment from occurring with respect to a container body even after the lid is closed. According to the present invention, the surface of the lipstick container is formed smoothly without stepped difference formed on the surface thereof, thereby enabling the product to be more sophisticated and to provide enhanced reliability by making the overall appearance beautiful.
Patent KR-20210138837-A (KR)
Title: Cold storage box and shipping history tracking method
IPC: G06Q10/08
Filed: 2020-05-12
Abstract: The present invention relates to a cold storage box and a shipping history tracking method thereof and, more particularly, to a cold storage box and a shipping history tracking method thereof. The cold storage box comprises: a body including an inner skin having an accommodating space opened and closed with a cover, and an outer skin coupled to the outside of the inner skin; a thermal insulation space formed surrounded by the inner skin and the outer skin; an insulator accommodated in the thermal insulation space; and an NFC patch including a sensor positioned in the thermal insulation space and an NFC antenna connected to the sensor. The shipping history tracking method comprises the steps of: recording box information including information sensed by a sensor unit positioned in the thermal insulation space of the box in which the sensor is positioned between the inner skin and the insulator, and the NFC antenna is positioned between the insulator and the outer skin, and a unique number input into the NFC antenna connected to the sensor unit; checking the cold reserving capacity of the box based on the sensed information; inputting shipping-related information into the NFC antenna if the cold reserving capacity of the box is satisfied; and completing packaging of the box for delivery, and performing tagging on the NFC antenna to confirm and share the box information. Therefore, by using an NFC patch with the sensor and the NFC antenna in the thermal insulation space, the shipping history can be tracked.
Patent KR-20210140813-A (KR)
Title: Apparatus of waste concrete for recycling
IPC: B02C4/02
Filed: 2020-05-14
Abstract: The present invention relates to an apparatus for manufacturing secondary products using waste concrete, which efficiently manufactures secondary concrete products with excellent strength. According to the present invention, the apparatus comprises: a controller controlling the apparatus; a main body unit into which waste concrete is put; a crushing roller unit formed inside the main body unit and including one or more pairs of rollers rotated in opposite directions so that mortar surrounding circulating aggregate can be crushed; a rotary moving unit disposed at the lower end of the crushing roller unit and separating and moving the recycling aggregate and the mortar moved from the crushing roller unit; a moving unit formed at the lower end of the rotary moving unit and including a plurality of moving holes so that the circulating aggregate and the mortar can be separated and moved to the lower end; an injection unit formed in a tube shape, installed along the inner surface of the main body unit at the lower end of the moving unit, and including one or more injection nozzles; a mixing unit including a screw blade formed at the lower end of the injection unit in a rod shape having a length in the vertical direction so that a solution sprayed from the injection unit can be mixed and moved with the circulating aggregate; and a discharge unit formed at the lower end of the mixing unit to discharge secondary concrete products completed by mixing the solution and the circulating aggregate to the outside.
Patent KR-20200060337-A (KR)
Title: Cleaner and dust separating device applying the same
Inventor: CHO DONG JIN
IPC: A47L9/16
Filed: 2020-05-25
Abstract: The present invention relates to a cleaner having an improved structure and a dust collecting device applied thereto to prevent leakage and damage of dust from a dust collecting device which is opened and closed to separate dust. According to an embodiment of the present invention, in a cleaner including a dust collecting device for separating dust from the air, the dust collecting device comprises: a dust collecting case comprising an open dust outlet for discharging collected dust; a discharge cover coupled to one side of the dust collecting case to open and close the dust outlet; and a sealing member provided to extend and seal in contact with the dust collecting case from an inner surface of the dust collecting case to an engaging surface of the dust collecting case when the dust outlet is closed.