baber/WOPTO huggingface dataset:
Patent KR-20210096458-A (KR)
Title: Traditional tea manufacturing method using green beans and loofah
Inventor: LEE HO
IPC: A23F3/06
Filed: 2020-01-28
Abstract: The present invention relates to a method for manufacturing tea by using Canavalia gladiate, Luffa cylindrical, and Ulmus davidiana. More specifically, the present invention relates to a method for manufacturing tea which can be easily taken and is good for health by removing acrid taste and odor of Canavalia gladiate and Luffa cylindrical.
Patent KR-20210096492-A (KR)
Title: System for providing information associated with passenger transport service
Inventor: CHUNG KYU HONG
IPC: G06Q50/30
Filed: 2020-01-28
Abstract: Disclosed is an operation information provision system linked to a passenger transportation service. An operation information providing system in connection with a passenger transportation service according to an embodiment of the present application comprises: a driver terminal that interlocks with a vehicle-mounted terminal mounted on a passenger transport service providing vehicle, receives the driving information of vehicle driving information and passenger transport information associated with a passenger transport service from the vehicle-mounted terminal, and displays the driving information and the transport information; an integrated management server which receives the driving information and the transportation information from a plurality of driver terminals, manages the received driving information and transport information for each of vehicles, and transmits the driving information and the transportation information to a user terminal of a passenger riding in the vehicle; and a user terminal for receiving the driving information and the transport information from the integrated management server and displaying the driving information and the transport information. The present invention can link a taxi meter with a driver's terminal of a taxi driver.
Patent KR-20210096848-A (KR)
Title: Method of fabricating diff cover and method of dicasting Al alloy
Inventor: KIM DONG SUK
IPC: B22D17/20
Filed: 2020-01-29
Abstract: The present invention relates to a method of performing die casting of an aluminum alloy of at least 5kg of injection weight by using a die casting device of which die clamping force is 350 tons or less to prevent a die casting defect generated in filling and solidification processes. The method comprises: a step of preparing molten metal of the aluminum alloy of 600-720 ℃; and a step of die casting the molten metal of the aluminum alloy. The die casting step comprises a first section and a second section where injection speed is constantly maintained, and the injection speed of the second section has a range of 2-3 m/sec. Moreover, the injection speed of the first section has a lower value than the injection speed of the second section.
Patent KR-20210100806-A (KR)
Title: Polyketone tube having excellent low temperature impact strength and high flexibility and its manufacturing method
Inventor: CHO DONG HYUN
IPC: C08K5/435
Filed: 2020-02-07
Abstract: The present invention relates to a polyketone tube manufactured by injection molding a polyketone composition including: a linear alternating polyketone comprising carbon monoxide and at least one olefinically unsaturated hydrocarbon; a plasticizer including a sulfonamide plasticizer and a cold-resistant plasticizer; and ABS rubber. Provided is a polyketone tube that has excellent flexibility while securing strength at low temperatures by using the sulfonamide plasticizer and the cold-resistant plasticizer in an appropriate ratio. The polyketone tube according to the present invention greatly improves impact properties at low temperatures, particularly minus 40 degrees, and flexural modulus at room temperature.
Patent KR-20210100967-A (KR)
Title: LiDAR device
Inventor: KIM JUNG WOO
IPC: G11C7/22
Filed: 2020-02-07
Abstract: Provided is a light detection and ranging (LiDAR) device, which sequentially selects each of a plurality of memory cells based on a coarse clock synchronized to a start signal generated during light transmission, supplies power to the plurality of memory cells based on a stop signal generated when light is received, and calculates a time of flight (ToF) of light based on accumulated power information accumulated in the plurality of memory cells.
Patent KR-20210101683-A (KR)
Title: Mask
Inventor: WEON YEON SOOK
IPC: A62B18/08
Filed: 2020-02-10
Abstract: The present invention relates to a mask capable of blocking harmful substances such as fine dust or contaminants, comprising: a body fixed to a face and covering a nasal cavity and an oral cavity; and a filter member disposed between the face and the body to block inflow of fine dust into the nasal cavity and the oral cavity, wherein the filter member is attached to the body.
Patent KR-20210103259-A (KR)
Title: Control system of individual customized lectuer video interacting user
Inventor: LEE HYO JUNG
IPC: G06Q50/10
Filed: 2020-02-13
Abstract: The present invention relates to a control system of lecture video interacting with a user, which includes the steps of: playing a lecture video selected by the user; pausing playback of the lecture video at a first point in a playback time of the lecture video, and providing question information to the user; receiving answer information to the question information from the user; determining whether the answer information is a correct answer based on the correct answer information of the question information; and playing the lecture video based on a determination result. The question information is determined based on at least one piece of core information reproduced at a time prior to the first time during the playback time of the lecture video. Therefore, it is possible to determine whether students are paying attention to the lecture video.
Patent KR-20210105054-A (KR)
Title: Ladder device
Inventor: AN CHUN JA
IPC: E06C7/42
Filed: 2020-02-18
Abstract: The present invention relates to a ladder device, which enables auxiliary leg members to be separably installed on both sides of front and rear leg members to remove shaking of a ladder during work to secure stability of the work, and enables the auxiliary leg member to be stored in an overlapped state on the front and rear leg members of the ladder device when the ladder device folded to be stored, thereby reducing a volume of the ladder device and enabling the auxiliary leg member to be used only when necessary to improve utilization and moving convenience.
Patent KR-20210106594-A (KR)
Title: Tunnel Air Quality Improvement Device with Modular Plasma Electric dust collector
Inventor: JEON SO YOUNG
IPC: B03C3/02
Filed: 2020-02-20
Abstract: The objective of the present invention is to provide technology which removes polluted atmosphere in a tunnel through an electric dust collecting device and remove toxic smoke to be generated when a fire occurs inside the tunnel, thereby improving the quality of air in the tunnel and minimizing damage which may occur in the event of a disaster. To this end, the tunnel air quality improvement device having a modular plasma electric dust collector comprises: a dust collecting module including an inflow hopper installed on the ceiling of the tunnel and guiding a moving path of air in the front, a plurality of dust collecting electrodes connected to the rear of the inflow hopper, configured to receive air introduced through the inflow hopper, and extending in a straight line of which a flow path is formed at least in part in an air circulation direction, and a plurality of discharge electrodes accommodated and arranged so as to be spaced apart from flow path surfaces formed respectively in the dust collecting electrodes; a power supply part which receives external power to generate micro-pulse electric power and supplies the generated micro-pulse electric power to the dust collecting electrodes and discharge electrodes; a pre-treating device arranged between the inflow hopper and the dust collecting module and configured to pretreat dust; and a rear fan disposed at the rearmost side of the dust collecting module and configured to provide circulation force so that the air moves in the air circulation direction in the order of the inflow hopper, the pre-treating device, and the dust collecting module. The dust collecting module is modularized so that a plurality of duct collecting modules can be connected and installed between the pre-treating device and the rear fan.
Patent KR-20210108252-A (KR)
Title: Motor driving apparatus and operating method for the same
Inventor: YONGHWA LEE
IPC: G01R31/08
Filed: 2020-02-25
Abstract: A motor driving apparatus according to an embodiment of the present invention includes a line for determining whether a control signal line is abnormal, and determines the abnormality of the control signal line by comparing the signals of the two lines. The motor driving apparatus includes: an inverter board having switching elements, wherein an inverter outputting AC power to a motor by a switching operation is disposed on the inverter board; a switching circuit board including a relay and having a switching unit configured to switch a connection mode of the motor by an operation of the relay; and a control signal line connecting the inverter board and the switching circuit board.
Patent KR-20210112067-A (KR)
Title: Process for manufacturing ethylene copolymers which is easy to extrude and pelletize
Inventor: JUN SUNG HAE
IPC: B29B9/16
Filed: 2020-03-04
Abstract: The present invention relates to a process for manufacturing an ethylene copolymer through copolymerization reaction, extrusion, and granulation processes using a raw material containing ethylene and alpha olefin, and specifically, to a process for manufacturing an ethylene copolymer that is easy to extrude and granulate, which can maintain a strand shape at the rear of an extruder and facilitate extrusion and granulation by lowering the temperature of a copolymer resin input into the extruder in advance. To this end, the present invention relates to a process for manufacturing an ethylene copolymer, including: a preparation step of preparing a raw material containing ethylene and alpha olefin; a copolymerization step of manufacturing a copolymer resin composition by copolymerizing the raw material; a step of removing impurities by passing the manufactured copolymer resin composition through a separation unit, and removing the impurities to manufacture a copolymer resin; an extrusion step of extruding the manufactured copolymer resin by putting the copolymer resin into the extruder; and a granulation step of granulating the extruded copolymer resin, wherein a cooling step before extrusion of lowering the temperature of the copolymer resin before putting the copolymer resin into the extruder is performed.
Patent KR-20200125896-A (KR)
Title: Semiconductor device structure and method for forming the same
Inventor: CHIANG KUO CHENG
IPC: H01L29/78
Filed: 2020-03-06
Abstract: Provided is a semiconductor device structure. The semiconductor device structure includes a fin structure above a substrate, a first dielectric layer adjacent the fin structure, and a second dielectric layer covering the sidewall of the first dielectric layer. The first dielectric layer has etch selectivity different from that of the second dielectric layer. The bottom of the second dielectric layer is lower than the bottom of the first dielectric layer. The semiconductor device structure includes a source/drain feature part provided over the fin structure to cover the sidewall of the second dielectric layer, a nanostructure over the fin structure, and a gate stack surrounding the nanostructure.
Patent KR-20200112687-A (KR)
Inventor: URAKI TADASHI
IPC: G01R19/252
Filed: 2020-03-12
Abstract: The purpose of the present invention is to accurately discriminate a desired frequency. A frequency detection circuit comprises: a pulse generation circuit (1) which generates a pulse voltage for every half cycle of an AC voltage; a triangular wave generation circuit (2) which converts a pulse voltage generated by the pulse generation circuit (1) into a triangular wave voltage having the same period as the pulse voltage; a comparison circuit (3) which outputs a voltage obtained by comparing the triangular wave voltage with a threshold voltage; and a discrimination circuit (4) which determines whether the frequency of the AC voltage is a first frequency or a second frequency higher than the first frequency, based on whether the voltage output from the comparison circuit (3) is a pulse type. The threshold voltage is preset so that the maximum value of the triangular wave voltage coincides with the threshold voltage, when the frequency of the AC voltage is a third frequency which is intermediate the first frequency and the second frequency.
Patent KR-20200115291-A (KR)
Inventor: MURAKAMI HARUHIKO
IPC: H01R12/79
Filed: 2020-03-25
Abstract: The present invention provides an electric connector and a manufacturing method of the electric connector, capable of simply and cheaply being manufactured with less man-hour even if the electric connector is provided with reinforcing metal fittings with different shapes. A metal member has a plurality of types of metal members (40, 50) having different shapes from each other, wherein one type of metal member (40) and the other type of metal member (50) among the plurality of types of metal members (40, 50) have connection parts (42, 52) connected to the mounting surface of the circuit board on the same side as each other with respect to the case (10) in the front-rear direction. The bending angles of the bent portions (44, 45) of one metal member (40) with respect to the mounting surface and the bending angles of the bent portions (54, 55) of the other metal member (50) with respect to the mounting surface are different from each other. Parts other than the bent part form the same shape with each other.
Patent KR-20210125255-A (KR)
Title: Battery pack housing
Inventor: HONG JONG SUP
IPC: H01M10/613
Filed: 2020-04-08
Abstract: The present technique relates to a battery pack housing for improving cooling efficiency of a battery cell. The battery pack housing, according to the present technique, is characterized in that a cooling fluid introduced into a battery pack flows to generate turbulence around a battery tab at which high-temperature heat is typically generated. Accordingly, a flow rate and a flow velocity of the cooling fluid around the battery tab can be increased, the cooling fluid can be more actively circulated, and a temperature deviation between cells in the battery pack can be effectively reduced so that performance degradation of the battery pack can be prevented and a lifetime of the battery pack can be increased. In addition, even when the same amount of cooling fluid is used, the cooling efficiency of the battery pack can be improved, and an amount of the fluid needed for cooling can be reduced to simplify the entire system of the battery pack. In addition, the battery pack housing is formed in a shape in which a protrusion part and a groove part can be engaged with each other. Accordingly, when the system is built using a plurality of battery packs, the battery packs can be coupled to each other without an additional member, and thus, the entire system can be configured without an unnecessary weight increase.
Patent KR-20200119736-A (KR)
Title: Crimp contact
Inventor: BRANDT JOCHEN
IPC: H01R4/18
Filed: 2020-04-08
Abstract: The present invention relates to a crimp contact for crimping a conductor. A crimp contact includes: a crimp flank capable of crimping, and enclosing the conductor after crimping; and a receptacle for the conductor extending in a longitudinal direction of the crimp contact to a receiving end, wherein the crimp flank extends in the longitudinal direction over the receiving end to a front end, and a front area of the crimp contact is arranged between the receiving end and the front end, and the crimp contact has at least one structured area in the front area. Therefore, the likelihood of an upper edge sliding from the inner side of the crimp flank is reduced.
Patent KR-20210133376-A (KR)
Title: Gas treating system and marine structure including the same
IPC: F17C9/00
Filed: 2020-04-28
Abstract: The present invention provides a gas processing system for application to offshore structures, comprising: a liquefied gas supply line for supplying the liquefied gas stored in the gas storage tank to a consumer; and an inhibitor supply unit for producing a hydrate inhibitor by receiving the exhaust gas discharged from the consumer, wherein the inhibitor supply unit supplies the hydrate inhibitor to the liquefied gas supply line.
Patent KR-20200053448-A (KR)
Title: Method, apparatus, computer program and computer recordable medium for creating database
Inventor: YOUNGKEY SHIN
IPC: G06F16/21
Filed: 2020-04-29
Abstract: According to an embodiment of the present invention, a method for building a database includes the steps of: receiving data used to build a database from a user; calculating time contribution with higher contribution as a time series sequence is reached wherein the time series sequence is received based on the time series information included in the data; calculating data contribution based on qualitative or quantitative information included in the data; calculating contribution of users to build the database by reflecting the time contribution to the data contribution; and giving the building contribution to the user′s identification information.
Patent KR-20210136536-A (KR)
Title: Control Method of Cooling System For Refrigeration Tower Vehicle
IPC: H02M7/02
Filed: 2020-05-08
Abstract: According to an embodiment of the present disclosure, a method of controlling a freezing system of a refrigerator truck includes: a step (S101) in which a battery module (210) supplies power; a step (S102) in which a voltage sensing unit (332) senses a voltage of the battery module (210); a step (S103) in which a MICOM module (310) determines whether the sensed voltage is no less than a preset first setting voltage; a step (S104a) in which when the sensed voltage is no less than the first setting voltage, the MICOM module (310) controls a switch module (320) such that a first cooling module (110) and a second cooling module (120) are operated together; a step (S107) in which a current sensing unit (331) senses a current flowing in the driven cooling modules; a step (S108) in which the MICOM module (310) determines whether the sensed current is less than a preset setting current; and a step (S109) in which when the sensed current is less than the setting current, the MICOM module (310) controls the switch module (320) such that a cooling module, in which the current less than the setting current flows, is not driven. Therefore, the present invention is capable of efficiently using a freezing system while protecting a battery.
Patent KR-20210141024-A (KR)
Title: Magnetic memory device
IPC: H01L27/22
Filed: 2020-05-15
Abstract: According to embodiments of the present invention, a magnetic memory device having a structure capable of minimizing process defects and having improved electrical characteristics, and a method for manufacturing the same are provided. According to the present invention, the magnetic memory device comprises: an interlayer insulating film on a substrate; a lower electrode contact disposed in the interlayer insulating film; and a magnetic tunnel junction pattern on the lower electrode contact. The lower electrode contact includes a first area and a second area alternately arranged in a first direction perpendicular to an upper surface of the substrate. The lower electrode contact has a width in a second direction parallel to the upper surface of the substrate. A first width of a first area of the lower electrode contact can be different from a second width of the second area of the lower electrode contact.
Patent KR-20210145457-A (KR)
Inventor: LEE JONG HYOCK
IPC: B65D71/44
Filed: 2020-05-25
Abstract: An objective of the present invention is to provide a foldable beverage pack carrier which can be conveniently transported by a user. According to the present invention, the beverage pack carrier is mounted to enclose at least the upper end of a beverage pack including a beverage accommodation unit formed in a rectangular pillar shape and accommodating a beverage therein and an opening part connected to an upper portion of the beverage accommodation unit and formed in a laid triangular pillar shape to be transported by a user. The foldable beverage pack carrier comprises: a first grip unit formed to enclose a first slope of the opening part and the upper end of a first surface of the beverage accommodation unit; a second grip unit connected to the upper side of the first grip unit by a folding line, formed in a shape line-symmetric to the first grip unit based on the folding line to be folded to be overlapped with the first grip unit to enclose a second slope facing the first slope of the opening part and the upper end of a second surface facing the first surface of the beverage accommodation unit, and having a handle formed to be gripped together with the first grip unit by a user; a pair of connection units connected by a folding line from both sides of one between the first grip unit and the second grip unit to be folded to connect the gap between the first grip unit and the second grip unit; and a pair of fixing units extended upwards by a folding line from the pair of connection units to be folded inwards to be inserted into a pair of dented units formed between the first slope and the second slope of the opening part to fix the beverage pack.
Patent KR-20200067794-A (KR)
Title: Adhesive composition and surface-protective film
Inventor: NAGAKURA TAKESHI
IPC: C09J133/06
Filed: 2020-06-03
Abstract: The present invention provides an adhesive composition and a surface protective film to simultaneously achieve excellent antistatic performance and pollution resistance. The adhesive composition includes an acrylic polymer, an antistatic agent, and a crosslinking agent, wherein the acrylic polymer is formed to have a glass transition temperature of 0 °C or less, the crosslinking agent is a trifunctional or higher isocyanate compound, and the antistatic agent is an ionic compound having a melting point of 25°C or higher and including cations and anions, in which the anion is selected from the group consisting of trifluoromethanesulfonate anion, pentafluoroethanesulfonate anion, heptafluoropropanesulfonate anion, and nonafluorobutanesulfonate anion, and the antistatic agent is included as an essential component in a proportion of 0.01 to 10 parts by weight based on 100 parts by weight of the acrylic polymer.
Patent KR-20210151399-A (KR)
Inventor: HONG GI MOON
IPC: H03K19/0185
Filed: 2020-06-05
Abstract: The present technology comprises: a bias generating unit configured to generate a bias voltage according to a reference voltage; and a compensating unit configured to detect a change in a power voltage level and adjust a level of the bias voltage according to a detection result.