baber/WOPTO huggingface dataset:
Patent KR-20220010974-A (KR)
Title: Linear compressor
Inventor: SONG SANGJIN
IPC: F04B39/02
Filed: 2020-07-20
Abstract: The present invention relates to a linear compressor. The linear compressor according to the present embodiment comprises: a piston reciprocating in the axial direction; and a cylinder provided on a radially outer side of the piston to accommodate the piston, and to form a compression space together with the piston. The cylinder includes: a gas hole passing through the inner circumferential surface from the outer circumferential surface of the cylinder; and a gas pocket communicating with the gas hole and recessed in the inner circumferential surface of the cylinder. The gas pocket may be formed to have an axial length longer than a circumferential length. Accordingly, while a levitation force of a gas bearing with respect to the piston is improved, it is possible to suppress damage to the surface of the piston.
Patent KR-20220012649-A (KR)
Inventor: KIM AH REUM
IPC: G06Q30/06
Filed: 2020-07-23
Abstract: The present invention relates to an untact ordering system for implementing WiFi-based location information collection and payment process. One embodiment of the present invention may provide a user with a WiFi short-distance ordering technology for preventing order cancellation. The present invention can provide an untact ordering service (using WiFi, NFC, and QR code) and/or provide a short-distance (store) ordering system (that is minimized and economical for waste food materials) to prevent order cancellation. In addition, one embodiment of the present invention may provide a marketing one-stop management service (progress, operation, profit management, and media booking) to a user. For example, the present invention may provide a targeting advertisement tailored to user's country, age, gender, and taste to the user.
Patent KR-20220014731-A (KR)
Title: Double needle suture
Inventor: LEE JUN WOOK
IPC: A61B17/06
Filed: 2020-07-29
Abstract: A double needle suture according to the present invention comprises: a first filament having a protrusion on a surface; a second filament having a different length of the first filament, wherein one end is coupled to one end of the first filament and having a protrusion on the surface; a first needle coupled to the other end of the first filament; and a second needle coupled to the other end of the second filament and having a shape different from that of the first needle. Therefore, the present invention is capable of preventing an occurrence of the filament from falling out or from becoming loose.
Patent KR-20220018228-A (KR)
Title: Water purifier for preparing replacment of filter, and method thereof
Inventor: JUNG HEE DO
IPC: B01D35/143
Filed: 2020-08-06
Abstract: A water purifier according to an embodiment of the present invention includes: a housing having a body and a cover capable of opening and closing the body; a filter for filtering raw water introduced from the outside and draining purified water; a raw water inflow control valve that is opened/closed to control the inflow of the raw water to the filter; a drain control valve that is opened/closed to control the drainage of the purified water from the filter; and a control unit for closing the raw water inflow control valve at a first time point when the cover is opened, opening the drain control valve at a second time point after the first time point, and closing the drain control valve at a third time point after the second time point.
Patent KR-20210020801-A (KR)
Title: Dental retractor with micro mirror
Inventor: LEE IN WHAN
IPC: A61B1/00
Filed: 2020-08-10
Abstract: The present invention relates to a dental retractor which comprises: a body part including a handle part and a neck part extending from the handle part; and a mirror part detachably provided from one end of the neck part, wherein the mirror part includes a protrusion inserted into a hole of a surgical site to observe the inside of the hole. According to the present invention, since the dental retractor includes the mirror part for observing the inside of the oral cavity, the number of surgeries, the number of persons required for surgery, and the operating time are reduced and a separate mirror is unnecessary. In addition, the dental retractor includes a mirror, such as a micro mirror, in the head part, thereby enabling a doctor or technician to perform a medical examination with the other hand.
Patent KR-20220026226-A (KR)
Inventor: PARK TAE GYUN
IPC: F28D1/053
Filed: 2020-08-25
Abstract: The present invention relates to a heat exchanger. The heat exchanger includes: a first heat exchanger including a first upper header, a first lower header, tubes connected between the first upper header and the first lower header to pass a refrigerant, and a pin placed between the pins; and a second heat exchanger placed adjacent to the first heat exchanger, and including a second upper header, a second lower header, tubes connected between the first upper header and the first lower header to pass the refrigerant, and a pin placed between the pins. First and second headers of at least one of the first and second upper headers and the first and second lower headers have holes formed on side walls adjacent to each other to pass the refrigerant from the first header to the second header, and the first header includes a first protruding part protruding toward the hole of the second header in a surrounding wall forming the hole of the first header. Therefore, the present invention is capable of improving a welding property due to an increase in contact area.
Patent KR-20220029916-A (KR)
Title: Brush structure of motor with improved ripple current pulse shape
Inventor: GEE YOUNG HO
IPC: H01R39/18
Filed: 2020-09-02
Abstract: According to the present invention, a brush structure of a motor improves a pulsating current waveform. The brush structure of the motor slidably comes in contact with a commutator including commutator pieces separated annularly by a plurality of slits. In the brush structure, when a width of each commutator piece is uniformly configured with A along a circumference direction of the commutator, a slit width between the commutator pieces is C, and a width of a brush is B, the width of the brush is formed to satisfy the relation, which is A < B < A + 2C.
Patent KR-20220037556-A (KR)
Title: Method and system for providing customized exercise video
Inventor: CHOI LILLE
IPC: G06Q50/22
Filed: 2020-09-17
Abstract: The present invention relates to a method and system for providing a user-customized exercise video. The method for providing a user-customized exercise video comprises the steps of: providing, onto an electronic device, a senior fitness test video for diagnosing a user's physical fitness level; receiving response data corresponding to the test video from the user; determining a physical fitness level of the user based on the response data; and providing a user-customized exercise video onto the electronic device according to the user's physical fitness level. In the step of providing the user-customized exercise video, information related to an exercise effect matching the user-customized exercise video is provided to at least one region on the electronic device.
Patent KR-20220038559-A (KR)
Title: Device for repeater of DisplayPort side channel
Inventor: SEONGHYEON HAN
IPC: H04N21/436
Filed: 2020-09-20
Abstract: A repeater device of a displayport side channel according to an embodiment of the present invention includes: a source device processor for transmitting and receiving the side channel repeater data of a source device by electric-optical and optical-electrical conversion; a sink device processor for transmitting/receiving the side channel repeater data of a sink device by electrical-optical and optical-electrical conversion; and a two-line optical fiber cable core connected between the source device processor and the sink device processor for unidirectional optical signal transmission and unidirectional optical signal reception.
Patent KR-20220039118-A (KR)
Inventor: LEE JIN HAING
IPC: G06F17/40
Filed: 2020-09-21
Abstract: The present invention relates to a device and method for variable selection using a weighted information value. More specifically, the present invention relates to a technique for variable selection that can improve a performance of a statistical model generated through a selection process of a main variable. The method comprises: a step of gathering; a step of generating; a step of extracting; a step of selecting; and a step of final selecting.
Patent KR-20220049674-A (KR)
Inventor: KIM JONG UK
IPC: G06N20/00
Filed: 2020-10-14
Abstract: Disclosed are an apparatus and a method for detecting abnormality of a control system using deep learning. The method for detecting abnormality of a control system using a control system according to an embodiment of the present invention includes: grouping tags, which is operation data of the control system, for each control loop; calculating a prediction value for each of tag groups based on deep learning network detection models corresponding to the tag groups, respectively; determining abnormality of the control system based on a prediction error between the prediction value and an actual value for each tag group; and generating an alarm according to an abnormality determination result, wherein the deep learning network detection models may be trained in advance by using each of the tag groups as learning data, the tag groups grouped with the tags acquired from the control system that is normally operated. According to the present invention, it is possible to improve abnormality detection performance of the control system.
Patent KR-20220050295-A (KR)
Inventor: KWON SOO JONG
IPC: B01F27/00
Filed: 2020-10-15
Abstract: The present invention relates to an apparatus for producing hypochlorous acid water, which has excellent mixing efficiency between raw materials, and the apparatus includes: a mixing unit; a lacquer supply unit for supplying a lacquer solution to the mixing unit; a water supply unit for supplying water to the mixing unit; and a carbon dioxide gas supply unit for supplying carbon dioxide gas to the mixing unit, wherein the mixing unit includes: a built-up cylindrical mixing tank having an accommodation space portion formed therein; a vertical shaft disposed at a central region of the accommodation space portion of the mixing tank; n (where n is an integer of equal to or greater than 2) discoid blades axially coupled to the shaft and vertically arranged at regular intervals; and n-1 discoid discs axially coupled to the shaft and arranged between the blades, respectively, and in the accommodation space portion, the lacquer solution, the water, and the carbon dioxide gas are mixed while flowing up and down by supply pressure thereof, thereby generating hypochlorous acid water.
Patent KR-20220050643-A (KR)
Inventor: LEE JAEJIN
IPC: H01M50/10
Filed: 2020-10-16
Abstract: In a pouch-type secondary battery according to an embodiment of the present invention, a cell assembly is accommodated in a pouch case, wherein the cell assembly includes: an electrode assembly in which a positive electrode and a negative electrode are stacked with a separator interposed therebetween; at least one electrode tab which protrudes from the electrode assembly; and an electrode lead which is connected to the at least one electrode tab. The pouch-type secondary battery includes a lead film positioned between the pouch case and the electrode lead, wherein the thickness of one end of the lead film facing a direction in which the electrode assembly is positioned is greater than the thickness of the other end of the lead film.
Patent KR-20220051514-A (KR)
Inventor: SEOK SU MIN
IPC: H02S50/10
Filed: 2020-10-19
Abstract: The present invention relates to a solar photovoltaic power station monitoring method. In accordance with the present invention, the solar photovoltaic power station monitoring method includes the steps of: enabling an RTU to collect state information on a solar photovoltaic power facility and generation amount data of a solar photovoltaic power station to store the information and the data in a memory and wirelessly transmit the information and the data to a monitoring server; enabling the monitoring server to wirelessly receive the state information on the solar photovoltaic power facility and the generation amount data of the solar photovoltaic power station, wirelessly transmitted from the RTU; enabling the monitoring server to analyze the state information on the solar photovoltaic power facility and the generation amount data of the solar photovoltaic power station to diagnose the occurrence of various problematic situations including a power failure, a device failure, a landslide, and a fire; enabling the monitoring server to predict event situations including a power failure, a device failure, a landslide, and a fire in accordance with the diagnosis result; when an event situation occurs, enabling the monitoring server to output a specific signal corresponding to an event type and issue an alarm; and enabling the monitoring server to provide all sorts of information and data including the state information about the solar photovoltaic power facility and the generation amount data of the solar photovoltaic power station. Therefore, the present invention is capable of saving communication fees without the need for a separate Internet line.
Patent KR-20220051968-A (KR)
Inventor: OH CHANG JIN
IPC: B41M3/14
Filed: 2020-10-20
Abstract: The present invention relates to a security printed matter, and to a security printed matter in which a security pattern is formed in white. An objective of the present invention is to provide a security printed matter in which a security function can be improved by a white printed layer having a concealment power. The security printed matter having a white security pattern according to one embodiment of the present invention comprises: silver paper; a concealment layer; and a white printed layer. The white printed layer is printed between the silver paper and the concealment layer, and the white printed layer may be printed in a preset area among an upper surface of the silver paper as a white security pattern. In the present invention, the security function can be improved by the white printed layer being formed in a form of a security pattern and having a concealment power.
Patent KR-20220053120-A (KR)
Inventor: BANG JAE HYUN
IPC: G06V10/10
Filed: 2020-10-22
Abstract: The present invention relates to a remote meter reading and data logger system through measurement apparatus digit recognition. The remote meter reading and data logger system through the measurement apparatus digit recognition comprises: a measurement apparatus for converting flow of a fluid into a mechanical signal to measure a flow rate and detecting the flow of the fluid as an electrical signal to calculate and display data; a photographing device for photographing information displayed by the measurement apparatus; a data logger for receiving and storing the information from the measurement apparatus; and a control unit for receiving and transmitting the information photographed by the photographing device and the information collected by the data logger to the outside. An objective of the present invention is to provide the remote meter reading and data logger system through measurement apparatus digit recognition with improved meter reading reliability.
Patent KR-20220053224-A (KR)
Inventor: JEONG SEUNG CHAN
IPC: A61Q19/08
Filed: 2020-10-22
Abstract: The present invention relates to a cosmetic composition containing as an active ingredient a mixed extract of melaleuca alternifolia leaves, mentha piperita leaves, Houttuynia cordata, Camellia sinensis leaves, Morinda citrifolia, and Petroselinum sativum (parsley). More specifically, provided is a cosmetic composition with an excellent skin elasticity improvement effect.
Patent KR-20210082068-A (KR)
Title: Organic electroluminescent compound, organic electroluminescent material comprising the same, and organic electroluminescent device
Inventor: KIM CHI SIK
IPC: H01L51/50
Filed: 2020-10-27
Abstract: The present application relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By including the organic electroluminescent compound according to the present application, it is possible to provide the organic electroluminescent device having improved driving voltage and/or luminous efficiency and/or lifetime characteristics compared to an organic electroluminescent device including a conventional organic electroluminescent compound. Specifically, the present inventors have completed the present invention by discovering that the organic electroluminescent compound represented by chemical formula 1 achieves the above object.
Patent KR-20220056546-A (KR)
Inventor: SUNG JIN KIM
IPC: H01L45/00
Filed: 2020-10-28
Abstract: The present invention relates to an oxide layer manufacturing apparatus. The oxide layer manufacturing apparatus manufactures an oxide layer in an oxide semiconductor including a substrate, an insulating layer on the substrate, an oxide layer on the insulating layer, and an upper electrode on the oxide layer. The oxide layer manufacturing apparatus includes: a gas storage unit which stores inert gas to be injected into a chamber; a holder for fixing the substrate on which the insulating layer is formed in the chamber; a gun which is spaced apart from the substrate in the chamber so as to fix a target made of an oxide; a vacuum pump for vacuuming the chamber; and an RF power generator for applying RF power to the gun, wherein the RF power generator generates plasma in the vacuum state of the chamber where the inert gas has been injected so that a material constituting the target is isolated through glow discharge to form an oxide thin film on the insulating layer. According to the present invention, an oxide semiconductor using indium-gallium-zinc oxide (IGZO) is manufactured on the oxide layer, thereby improving electrical characteristics.
Patent KR-20200127932-A (KR)
Inventor: DONG HYUN KIM
IPC: H05K9/00
Filed: 2020-10-29
Abstract: An embodiment provides a camera module, which comprises: a printed circuit board on which an image sensor is mounted in the center of the upper side; a lens unit installed on the upper side of the printed circuit board and disposed at a position corresponding to the image sensor; an actuator unit including a terminal part electrically soldered to the printed circuit board to receive power for fixing the lens unit and adjusting the focus of the image; a shield can accommodating the lens unit and forming an exterior thereof; and a single multi-tape attached to the opposite side of the shield can and the lower side of the printed circuit board in order to conduct the shield can and the printed circuit board and insulate the soldered terminal part.
Patent KR-20220058172-A (KR)
Title: Agricultural unmanned aerial spreader with arm folding fixing
Inventor: JUNG YOUNG SEOK
IPC: B64C39/02
Filed: 2020-10-30
Abstract: The present invention relates to an agricultural automated aerial spreader capable of folding or fixing arms and, more specifically, to an agricultural automated aerial spreader capable of folding or fixing arms, which has arms radially and symmetrically connected to a side of a body unit and formed by hinging a first arm and a second arm so that the arms can be foldable in a transverse direction, and allows portions, in which the first arm and the second arm meet each other, to be easily fixed so that the folded state can be maintained without shaking. The agricultural automated aerial spreader capable of folding or fixing arms comprises: a body unit; an arm unit having a plurality of arms radially and symmetrically connected to a side of the body unit; a flight unit having a propeller installed at each of front ends of the plurality of arms to enable flight; a support unit connected to a lower portion of the body unit to enable landing; a spraying unit supported and installed on the body unit or the support unit to enable spraying of chemicals or seeding of seeds to the outside; and a power supply unit for supplying power to the flight unit and the spraying unit. The arms of the arm unit include: a first arm fixed to the body unit; and a second arm hinged and connected to the first arm in a transverse direction to be foldable. If the second arm is folded, the length of the second arm is formed so that a front end of any one second arm can meet a front end of the neighboring first arm. Folding fixing means that can be mutually fixed are provided at the front end of the second arm and the front end of the first arm which the front end of the second arm meets, while the second arm is folded.
Patent KR-20220064568-A (KR)
Title: Piezoelectric energy harvester with lambda structure and characteristic analysis method for piezoelectric energy harvester
Inventor: YOO HONG HEE
IPC: H02N2/18
Filed: 2020-11-12
Abstract: Disclosed are a piezoelectric energy harvester having a lambda structure capable of generating electric energy from vibration in multiaxial directions and a method for analyzing characteristics of the piezoelectric energy harvester. The disclosed piezoelectric energy harvester having a lambda structure includes: a first beam on which a piezoelectric element is disposed; a second beam to which a tip mass is coupled; and a connecting unit which connects the first and second beams in a bent state by a first angle.
Patent KR-20220068035-A (KR)
Title: Piping Gas Leak Control System
Inventor: PARK JEONG SEOP
IPC: G01M3/18
Filed: 2020-11-18
Abstract: The present invention relates to a system for controlling leakage of gas from copper piping and, more specifically, to a system for controlling leakage of gas from copper piping. A sensor box is formed in the shape of a hexahedron with attachment and detachment holes formed in four sides thereof so that the joint of copper piping for connecting the indoor and outdoor units of an air conditioner is inserted and stored. The sensor box is formed to be opened and closed by an upper structure and a lower structure hinged to each other. A refrigerant detection sensor is mounted below an inner side of the sensor box provided so that as the lower surface of the lower structure protrudes to become narrower toward the bottom thereof, refrigerant heavier than air is collected. If the leakage of the refrigerant is detected, a controller receives a refrigerant signal through a cable and provides a signal or an alarm to a terminal or a PC, so that the location of leakage of refrigerant gas can be easily detected and maintenance and repair can be performed.
Patent KR-20220070947-A (KR)
Title: Aqueous cutting fluid composition
Inventor: YOON HYUN KYO
IPC: C10M169/04
Filed: 2020-11-23
Abstract: The present invention relates to a transparent aqueous cutting oil composition. The cutting oil composition according to one aspect of the present invention is transparent, so that a surface to be cut can be accurately identified during cutting, thereby increasing cutting work efficiency and securing safety of an operator. In addition, the cutting oil composition is water-soluble, is easily cleaned after cutting, and is co-friendly by including bio-oil. Moreover, the cutting oil composition according to one aspect of the present invention has excellent safety in extreme environments such as high and low temperatures to provide excellent storage.