baber/WOPTO huggingface dataset:
Patent KR-20200014670-A (KR)
Inventor: HAN SANG BAE
IPC: C02F3/10
Filed: 2018-10-04
Abstract: According to the present invention, a fluidized bed biofilm carrier comprises: an outer carrier having a plurality of through-holes and a space part, and having microorganisms attached thereto and proliferating therein; a microorganism contact material having a through passage, and having a shape of a large porosity with a specific surface having the microorganisms attached thereto and proliferating therein; and a rotation means for converting flow of a fluid into rotational force. The rotation means acts as a biofilm carrier, and can perform one or more of a contact increase action of increasing a contact frequency between the biofilm carrier flowing in reaction and microorganisms and contaminants by acting as a waterwheel for converting flow energy of the fluid into rotational force to rotate the biofilm carrier, a tangling prevention action of preventing biofilm carriers from being tangled with each other, a microbubble and scum detachment action of preventing microbubble and scum from being attached, and a scum layer disturbing action of disturbing a scum layer stacked on a water surface side.
Patent KR-20200039502-A (KR)
Inventor: KIM HYUNG JUN
IPC: C25D11/06
Filed: 2018-10-07
Abstract: The present invention relates to a surface treatment method of an aluminum material which comprises: an anode disposing step of disposing an aluminum material as an anode in an electrolyte solution containing distilled water, citric acid, oxalic acid, and boric acid; and an anodizing step of forming an oxide film by applying constant voltage. The thickness of an oxide film can be significantly increased compared to a conventional oxilate method, voltage resistance, corrosion resistance and heat shock resistance are excellent, and a post-treatment process such as a sealing process compared to a conventional sulfuric acid method or a chromic acid method is not required, thereby obtaining excellent economic and eco-friendly features.
Patent KR-20200040376-A (KR)
Title: A noise preventing structure of electronic power steering apparatus
Inventor: CHO SUNG SHIK
IPC: B62D5/04
Filed: 2018-10-10
Abstract: The present invention relates to a noise prevention structure for an electric steering apparatus including a worm shaft rotated by a motor, a worm wheel geared to the worm shaft to rotate a steering shaft, and a housing surrounding the worm wheel and the worm shaft. The noise prevention structure includes: a cylindrical damper part absorbing a shock delivered to the worm shaft with an internal elastic member and connected to the worm shaft to be rotatable; a rubber holder combined with a semi-cylindrical damper holder formed on one side of the damper part to attach the worm shaft to the worm wheel; and a plug part including a plug holder formed in the bottom of one side to be combined with the rubber holder and having the other side fixed to the housing. According to the present invention, the noise prevention structure is capable of reducing noise and backlashes by enabling a gap between the worm wheel and the worm shaft to be controlled not only at room temperature but also at a low temperature. Moreover, the noise prevention structure is capable of reducing costs for production by replacing an existing anti-rattle spring and its installation component with the rubber holder. In addition, the noise prevention structure is capable of shortening the time for and facilitating component assembly.
Patent KR-20200029961-A (KR)
Title: Positive electrode active material for lithium secondary battery and lithium secondary battery comprising the same
Inventor: MOON HO CHOI
IPC: H01M4/485
Filed: 2018-10-16
Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery and a lithium secondary battery comprising the same. The positive electrode active material according to the present invention can improve the high temperature stability of the positive electrode active material by reducing the specific surface area and an integranular surface of secondary particles in which a side reaction with an electrolyte occurs, and at the same time, reduce gas generation due to the positive electrode active material.
Patent KR-20200045735-A (KR)
Inventor: EOM KUN SUN
IPC: A61B5/00
Filed: 2018-10-23
Abstract: According to an aspect of the present invention, provided is an optical sensor which can be miniaturized by measuring an optical signal by arranging a paired light source and photodetector. The optical sensor comprises: at least one paired light source and photodetector in which a light source and a photodetector are spaced apart from each other to face each other, and an aperture into which a subject is inserted is formed between the light source and the photodetector; and a base substrate disposed in a lower part of the at least one paired light source and photodetector and having a contact sensor disposed below the aperture.
Patent KR-20190047630-A (KR)
Inventor: SEONIL YU
IPC: B65D45/18
Filed: 2018-10-26
Abstract: The present invention provides a kimchi storage container, including: a case comprising four side walls and a floor surface and having an opening formed on an upper side to have a space in which kimchi is stored; a case coupling unit coupled to an upper corner of the side wall of the case and having a rotary shaft; a cover fixing unit rotationally coupled to the rotary shaft of the case coupling unit; a cover detachably provided on an upper side of the case coupling unit and opening and closing the opening; and a hinge coupled to the cover and having a mounting hole rotationally mounted on the rotary shaft.
Patent KR-20200048187-A (KR)
Inventor: PARK YONG SEON
IPC: G09B1/16
Filed: 2018-10-29
Abstract: The present invention relates to a teaching aid which fits blocks of various shapes into grooves of the same shape, and more specifically, a teaching aid is provided with a handle for movement, so that it is easy to carry and is used as a play toy driving a block teaching aid through a handle, thereby providing learning functions and fun functions at the same time.
Patent KR-20200048269-A (KR)
Title: System and method for monitoring temperature / humidity inside a wafer carrier using a temperature / humidity sensor based on short-distance wireless communication
Inventor: SHIM SANG KOOK
IPC: H01L21/673
Filed: 2018-10-29
Abstract: The present invention relates to a system for monitoring the temperature and a humidity state inside a wafer carrier. More particularly, the system comprises: an environmental state measurement unit mounted in each wafer carrier and measuring a temperature and humidity state therein; an environmental state data collection unit provided at each predetermined point on a moving line of the wafer carrier to collect temperature and humidity data measured through a short-range wireless communication connection from the environmental state measurement unit of the adjacent wafer carrier; and an environmental condition monitoring unit which receives the temperature and humidity data from each environmental state data collection unit and monitors the temperature and humidity state inside each wafer carrier based on the temperature and humidity data.
Patent KR-20200055881-A (KR)
Title: Manufacturing device for mat using high frequency and met manufatured by the same
Inventor: ROH KWANG SOO
IPC: B29C65/14
Filed: 2018-11-14
Abstract: The present invention relates to a device of manufacturing a mat, in which the mat for absorbing, mitigating or preventing a noise caused by an impact is easily manufactured using a high frequency when the outside of a foam is covered, so that the manufacturing efficiency is improved. The device according to the present invention is implemented by including: a mat working unit for performing a work so that a foam is positioned between a lower cover and an upper cover; an upper pressing unit for pressing an edge of the lower cover from an upper side of the mat working unit; an air suction and discharge unit that sucks and discharges air from the mat working unit; and a high-frequency bonding machine for high-frequency bonding the lower cover with the upper cover by ascending and descending from an upper side portion of the mat working unit. According to the present invention, the mat is conveniently manufactured without a sewing work, and the production costs are reduced to alleviate the burden of a consumer.
Patent KR-20200003700-A (KR)
Inventor: KANG HYUN YOUNG
IPC: H04L29/06
Filed: 2018-11-15
Abstract: Disclosed are a private routing server apparatus and a method for providing an additional call function using the same. According to the present invention, the private routing server apparatus may comprise: a private exchange server unit configured to establish a routing call connection corresponding to a voice call connection request by using a routed packet generated by routing a packet related to the VoLTE-based voice call connection request between a counselor and a customer; and an interface server unit configured to receive a request for providing an additional call function for a voice call connection between the counselor and the customer and provide the request to the private exchange server unit.
Patent KR-20190058367-A (KR)
Inventor: LEE DONG HUN
IPC: H01M10/052
Filed: 2018-11-21
Abstract: The present invention relates to a positive electrode material, and a positive electrode and a lithium secondary battery comprising the same. The positive electrode material comprises: a first positive electrode active material represented by chemical formula 1, which is Li_a[Ni_bCo_cM^1_dM^a_e]O_2; and a second positive electrode active material represented by chemical formula 2, which is Li_x[Ni_yCo_zMn_wM^2_vM^b_u]_2. The positive electrode material has a bimodal particle size distribution including large diameter particles and small diameter particles, and the difference between the average particle size (D50) of the large diameter particles and small diameter particles is 3 μm or more. The positive electrode material according to the present invention is excllent in capacity characteristics.
Patent KR-20200064764-A (KR)
Title: Method and apparatus for reduction of light induced degradation with carrier injection
Inventor: KIM JUN HEE
IPC: H01L21/324
Filed: 2018-11-29
Abstract: An embodiment of the present invention provides a device capable of checking a process of removing a light degradation defect in real time by using a precise carrier injection method through a direct current power supply unit (power supply part). The device for removing a light degradation defect using a carrier injection method according to an embodiment of the present invention comprises: a housing performing high-temperature heat treatment on a solar cell; a heating part formed inside the housing, having the solar cell mounted thereon, and applying heat to the solar cell; a jig part formed inside the housing, pressing the solar cell mounted on the heating part to fix the solar cell to the heating part; an LED array part equipped with a plurality of LED light sources and applying light to the solar cell; and a driving part coupled to the jig part and the LED array part, and rotating the jig part or the LED array part.
Patent KR-20200069775-A (KR)
Title: Battery charge-discharge cycle test after battery over-discharge test apparatus and method
Inventor: PARK NAM KYU
IPC: G01R31/00
Filed: 2018-12-07
Abstract: According to an embodiment of the present invention, provided is an apparatus for testing a charge/discharge cycle after a battery overdischarge test. The apparatus comprises: a chamber configured to test a battery under a set temperature; a battery overdischarge test unit for discharging the battery under a set discharge condition; a temperature measurement unit including a chamber internal temperature measurement sensor capable of measuring a temperature inside the chamber in order to check a set temperature and a battery temperature measurement sensor for measuring a temperature change in the battery; a voltage measurement unit for measuring a voltage of the battery; a data collection unit connected to the temperature measurement unit and the voltage measurement unit to collect measured values and displaying the measured values; and a battery charge/discharge cycle test unit for performing a test that performs a charge/discharge cycle repeating charge and discharge on the overdischarged battery a predetermined number of times so as to calculate a battery capacity measurement result according to the performance.
Patent KR-20200071157-A (KR)
Inventor: KWON CHOONG HO
IPC: B60R11/00
Filed: 2018-12-10
Abstract: The present invention stores a coat hook in a handle body when the coat hook is not used and allows the coat hook to be withdrawn and used to allow use as a coat hook while preventing inconvenience for a passenger using an auxiliary handle, and can manufacture the coat hook to be seen as one unit with the handle body to reduce the sense of difference. Specifically, the present invention can easily withdraw a slider supporting the coat hook from the handle body by pressing the slider. When hanging a coat, anyone can easily withdraw the slider to quickly and conveniently use the slider as a hanger. Also, the present invention can store a coat hook portion in a storage space or withdraw the coat hook portion from the storage space. Therefore, the structure is simple, and the coat hook can be withdrawn and conveniently used by a simple operation of pressing the slider.
Patent KR-20200072817-A (KR)
Title: A joint force predicting method in use with convolutional neural networks
Inventor: GWON JAE SOO
IPC: G06F17/18
Filed: 2018-12-13
Abstract: The present invention relates to a fastening force prediction method using a convolutional neural network technique and, more specifically, to a fastening force prediction method using a convolutional neural network technique to predict the fastening force of a bolt. The fastening force prediction method includes: a Cepstrum image creation step of creating a Cepstrum image from a signal processing analysis device; a characteristic image extraction step of multiplying a predetermined weighted value by pixels of the created Cepstrum image and extracting a characteristic image through artificial intelligence learning; a representative image extraction step of extracting the biggest pixel from the extracted characteristic image; an image synthesizing step of creating a synthesized image by synthesizing the extracted representative image information; and a fastening force prediction step of displaying a predicted fastening force by comparing the synthesized image to a preset value. Therefore, the fastening force prediction method is capable of facilitating real-time measurement by reducing an image size while making data processing fast.
Patent KR-20200076273-A (KR)
Inventor: JO YURI
IPC: H04L12/58
Filed: 2018-12-19
Abstract: Provided are a method and a system for managing an image based on interworking of a face image and a messenger account. According to an embodiment, the method comprises the steps of: interworking a face image and a messenger account to store the same in a database; receiving a target image through a network from a user terminal identified by a first messenger account; recognizing one or more face images from the received target image; retrieving each of the recognized face images from the database, and extracting one or more corresponding second messenger accounts; determining additional information for at least one of display of the target image and the sharing using a messenger service of the target image in the user terminal in relation to the extracted second messenger accounts; and providing the extracted second messenger accounts and the additional information. Accordingly, an effect to be applied to the target image can be recommended based on an identified person.
Patent KR-20200078783-A (KR)
Title: Oil-drop makeup cosmetic composition
Inventor: SONG HEE
IPC: A61Q1/00
Filed: 2018-12-21
Abstract: The present invention relates to a cosmetic composition and, more particularly, to an oil-drop makeup cosmetic composition, which comprises: purified water, a moisturizing agent, a chelating agent, a thickener, a cation supplying agent (electrolyte) and a water-soluble pigment in a water phase; and at least one selected from the group consisting of ester oils, hydrocarbon oils, silicone oils, and vegetable oils in an oil phase, so that the oil in the water phase can maintain a spherically dispersed state, and the thickener includes gellan gum and xanthan gum so as to maintain transparency without destroying viscosity even with a large amount of pigments.
Patent KR-20200078186-A (KR)
Inventor: JANG JUN WON
IPC: C02F1/72
Filed: 2018-12-21
Abstract: The present invention relates to a technology that prevents the generation of iron sludge due to the Fenton oxidation reaction treatment and facilitates the collection and treatment of iron catalysts by generating an iron catalyst, which is used in the Fenton oxidation reaction, in the form of a thin film, and detachably attaching the iron catalyst to a reaction tank. The Fenton oxidation reactor and Fenton oxidation reaction treatment method using an iron oxide thin film according to the present invention include: a reaction tank configured by forming a storage space having a predetermined size for wastewater treatment, and oxidizing the wastewater introduced into the storage space through a Fenton oxidation reaction between the iron oxide and hydrogen peroxide; an iron oxide thin film formed by forming iron oxide on a surface of an iron plate in a plate shape having a predetermined size; and a support member detachably installed at a top of the reaction tank, fixedly positioning at least one iron oxide thin film in the storage space inside the reaction tank, and detachably coupled to the iron oxide thin film, wherein the iron oxide thin film is prepared by forming an iron oxide layer through natural oxidation in the atmosphere in a state in which an iron plate is immersed in an acidic solution, or by forming an iron oxide layer through a high-temperature heat treatment after an iron plate is immersed in an acidic solution.
Patent KR-20190002387-A (KR)
Inventor: SAM N RAMRATTAN
IPC: G01N17/00
Filed: 2018-12-24
Abstract: The present invention relates to a thermal corrosion testing machine, in which the thermal corrosion testing machine includes a rotating heating element configured to be in contact with an elevated sand sample, wherein a heating element heats the rotating heated element and has a motor driving rotation of the rotating heated element. The rotating heated element causes corrosion of the sand sample during rotation by being in contact with the sand sample. The present invention also relates to a method of testing thermal corrosion, and a method of testing corrosion of the sand sample in contact with the heated element.
Patent KR-20200078903-A (KR)
Inventor: JANG JAE YONG
IPC: B60N2/02
Filed: 2018-12-24
Abstract: According to the present invention, a seat swivel mechanism secured under a vehicle seat and configured to swivel the vehicle seat in a motor-driven manner is provided. The seat swivel mechanism includes a lower plate, which is a fixed support body for supporting the swivel motion, and an upper plate rotatably secured on the lower plate. The upper plate and the lower plate are configured to rotate relative to each other, which makes the vehicle seat swivel. A driving motor is secured to any one of the upper plate and the lower plate, and an internal gear formed on any one of the upper plate and the lower plate is rotated by the driving motor, thereby swiveling the vehicle seat.
Patent KR-20200080007-A (KR)
Title: Current transformer for air circuit breaker
Inventor: HAN BAEK CHUNG
IPC: H01F27/42
Filed: 2018-12-26
Abstract: According to the present invention, a current transformer includes a magnetic core, a secondary coil, and a magnetic flux compensation member. A main circuit of an air circuit breaker passes through the magnetic core. In addition, the secondary coil is disposed adjacent to the magnetic core and a secondary current is induced through a current flowing through the main circuit. The secondary coil supplies the secondary current induced by a relay. The magnetic flux compensation member may be coupled to the magnetic core to correct the current induced in the secondary coil.
Patent KR-20200087318-A (KR)
Inventor: KIM SANG WOOK
IPC: G06N3/02
Filed: 2018-12-28
Abstract: According to the present invention, a method for recommending an item through collaborative filtering using a GAN and an uninterested item generator comprises: (a) a step in which an identifying unit performs learning so that when scores for the same items are calculated and the difference thereof is obtained, the difference becomes a positive number; (b) a step in which a positive item generation unit performs learning so that the purchase vector of a buyer and IDs of uninterested items generated by a negative item generation unit are received and many items to which the identifying unit can give a high score are generated; (c) a step in which the negative item generation unit performs learning so that many items to which the identifying unit can give a low score are generated; and (d) a step in which the identifying unit calculates values of the purchase vector in an empty dimension by encoding and decoding the purchase vector and then sorts predicted values in order of the predicted values so that N items are recommended to a user in order of the predicted values. Therefore, the method can apply uninterested items to a neural network, thereby increasing the accuracy of recommendations.
Patent KR-20200082296-A (KR)
Title: coating method of solar panel and solar power apparatus using the same
Inventor: LEE HEANG WOO
IPC: H01L31/0216
Filed: 2018-12-28
Abstract: The present invention relates to a method for coating a photovoltaic panel and a photovoltaic power generating device using the same and, more specifically, to a method for coating a photovoltaic panel and a water photovoltaic power generating device using the same. The method inhibits various pollutants such as dust and salt from being attached to the surface of a photovoltaic panel so as to increase power generation efficiency. According to the present invention, the method for coating a photovoltaic panel comprises: a water washing step of washing the surface of the photovoltaic panel by spraying water thereon; a cleaning liquid applying step of applying a cleaning liquid to the surface of the photovoltaic panel after the water washing step; a rinsing step of spraying washing water after the cleaning liquid applying step so as to remove the pollutants and the cleaning liquid on the surface of the photovoltaic panel; and a coating liquid applying step of applying a coating liquid to the surface of the photovoltaic panel after the rinsing step so as to form an anti-stain coating film.
Patent KR-20200082324-A (KR)
Inventor: EOM JI YONG
IPC: H01M4/04
Filed: 2018-12-28
Abstract: According to an aspect of the present invention, a manufacturing method of a negative electrode for a lithium ion secondary battery includes a step of forming a surface treatment layer on a porous metal foam and a step of impregnating the surface treated metal foam with lithium metal.
Patent KR-20180016580-A (KR)
Title: 에피택셜 실리콘 웨이퍼
Inventor: TORIGOE KAZUHISA
IPC: H01L21/324
Filed: 2016-07-06
Abstract: (과제)디바이스 공정에 있어서의 임의의 열처리에 의해 산소 석출물이 성장하는 경우라도 실리콘 기판 중의 붕소의 증속 확산을 억제하는 것이 가능한 에피택셜 실리콘 웨이퍼를 제공한다. 
(해결수단)에피택셜 실리콘 웨이퍼(10)는, 붕소가 도프된 실리콘 기판(11)과, 실리콘 기판(11)의 표면에 형성된 에피택셜층(13)을 구비하고, 실리콘 기판 중의 붕소 농도가 2.7×10 17 atoms/㎤ 이상 또한 1.3×10 19 atoms/㎤ 이하이고, 실리콘 기판 중의 초기 산소 농도가 11×10 17 atoms/㎤ 이하이다.  이 에피택셜 실리콘 웨이퍼(10)는, 예를 들면 700℃에서 3시간의 열처리와 1000℃에서 16시간의 열처리를 순서로 행하는 산소 석출물 평가 열처리를 실시한 경우에, 실리콘 기판(11) 중의 산소 석출물 밀도가 1×10 10 개/㎤ 이하이다.