baber/WOPTO huggingface dataset:
Patent KR-20190086484-A (KR)
Title: 척
Inventor: KAWAKITA YUKI
IPC: B23Q11/08
Filed: 2017-11-17
Abstract: 부스러기 등의 먼지의 침입을 효과적으로 방지할 수 있고 장기에 걸쳐 안정된 동작을 유지할 수 있는 척을 제공한다.  
본 발명에 의하면, 척으로서, 지름 방향으로 슬라이드하여 가공물을 지지하는 복수의 조오를 정면에 구비하고, 척 본체와, 센터 커버와, 더스트 커버를 구비하고, 상기 척 본체는 정면에 복수의 슬라이드 홈을 구비하고, 상기 슬라이드 홈은 상기 척 본체의 중앙부로부터 지름 방향 외측으로 연장됨으로써   상기 조오의 각각이 슬라이드 가능하도록 감합하고, 상기 센터 커버는 상기 척 본체의 정면 중앙부를 가리도록 해당 척 본체에 장착되고, 상기 더스트 커버는 상기 슬라이드 홈을 가리도록 상기 조오의 각각의 중앙측의 단부에 장착되어 상기 척 본체의 정면에 따라 슬라이드 하도록 구성되며, 각 상기 조오가 가공물을 지지하는 지지 위치에서, 상기 더스트 커버의 돌출단부가 상기 센터 커버의 주연부의 내측으로 들어가도록 구성되는 척이 제공된다.
Patent KR-20190086496-A (KR)
Title: 확장된 초점 심도를 갖는 안구내 렌즈
Inventor: TIWARI NIVEDAN
IPC: A61F2/16
Filed: 2017-11-15
Abstract: 굴절 기본 도수를 제공하는, 전방 표면(102) 및 후방 표면(104)을 구비하는, 광학 요소(100)를 포함하고, 전방 표면 및 후방 표면 중 적어도 하나는, 3개의 구성 회절 프로파일을 조합함으로써 결정되는 높이들을 갖는 단차들을 포함하는, 자체 상에 배치되는 프로파일(150)을 구비하는 것인, 안구내 렌즈가, 제공된다.  회절 프로파일들은, 도수들 p1, p2 및 p3에 대응하며, 도수들은 서로 상이하며 그리고 각각의 도수는 약 1D 또는 약 1.25D 미만의 양의 도수이다.  각각의 회절 프로파일은, 546 nm 광에 대해 0.6 내지 1.2배 x 2π의, 방수에 대한, 위상 지연을 야기하는, 단차 높이들을 갖는다.  조합된 프로파일은, 함수 z = max(회절 프로파일(p1), 회절 프로파일(p2), 회절 프로파일(p3))에 의해 정의되며, 여기서 p3 > p2 > p1 이다.
Patent KR-20190077554-A (KR)
Title: 담배 기반 용품 또는 그의 패키지에 대한 근거리 통신
Inventor: Sur Rajesh
IPC: A24F40/65
Filed: 2017-11-15
Abstract: 담배이거나 담배로부터 제조되거나 담배로부터 유도되거나 또는 담배를 통합한 소모성 재료를 포함하는 담배 기반 용품으로서, 또는 담배 기반 용품 또는 소모성 재료 중 하나 이상에 대한 패키지로서 구현되는 장치는 하우징 및 근거리 통신(NFC) 태그를 포함한다.  하우징은 담배 기반 용품 또는 소모성 재료를 보유하도록 구조화되어 있다.  NFC 태그는 상기 용품 또는 재료와 관련된 정보를 저장하거나 생성하도록 구성된다.  NFC 태그는 NFC 판독기와 결합할 수 있어서, 컴퓨팅 장치에서 또는 컴퓨팅 장치와 통신하는 서비스 플랫폼에서 상기 장치의 인증을 가능하게 하기 위해 정보를 컴퓨팅 장치에 무선 전송하거나 또는 정보를 디스플레이 또는 저장하는 것을 가능하게 한다.
Patent KR-20190109396-A (KR)
Title: 압축된 자원에 셰이더의 기입
Inventor: MIRZA JIMSHED
IPC: G06T9/00
Filed: 2017-12-20
Abstract: 압축된 표면에 대한 셰이더 기입을 수행하기 위한 시스템, 장치 및 방법이 개시된다. 일 실시예에서, 프로세서는 적어도 하나의 메모리 및 하나 이상의 셰이더 유닛을 포함한다. 일 실시예에서, 상기 프로세서의 셰이더 유닛은 압축된 표면을 목표로 하는 기입 요청을 수신하도록 구성된다. 상기 셰이더 유닛은 상기 기입 요청에 의해 목표로 하는 상기 압축된 표면의 제1 블록을 식별하도록 구성된다. 상기 기입 요청의 데이터가 상기 제1 블록 전체보다 더 적은 것을 목표로 하고 있다고 결정한 것에 응답하여 상기 제1 셰이더 유닛은 상기 캐시로부터 상기 제1 블록을 판독하고 상기 제1 블록을 압축 해제한다. 다음으로, 상기 제1 셰이더 유닛은 상기 기입 요청의 데이터를 상기 압축 해제된 제1 블록과 병합한다. 그런 다음, 상기 셰이더 유닛은 상기 병합된 데이터를 압축하고 상기 병합된 데이터를 상기 캐시에 기입한다.
Patent KR-20200128480-A (KR)
Title: 자율 주행 차량과 이를 이용한 보행자 안내 시스템 및 방법
Inventor: KIM SORYOUNG
IPC: B60W30/14
Filed: 2019-05-09
Abstract: 자율 주행 차량과 이를 이용한 보행자 안내 시스템 및 방법이 개시된다.  본 발명의 일 실시 예에 따른 보행자 안내 시스템은 보행자 단말기로부터 수신된 신호를 바탕으로 보행자를 인식하고, 상기 보행자를 지시하는 보행자 정보를 타 차량으로 전송하는 하나 이상의 자율 주행 차량들을 포함한다.  본 발명의 자율 주행 차량, 사용자 단말기 및 서버 중 하나 이상이 인공 지능(Artificial Intelligence) 모듈, 드론(Unmanned Aerial Vehicle, UAV), 로봇, 증강 현실(Augmented Reality, AR) 장치, 가상 현실(virtual reality, VR), 5G 서비스와 관련된 장치 등과 연계 혹은 융복합될 수 있다.
Patent KR-20190097112-A (KR)
Title: 구획 부재, 조전지 및 조전지의 열전달 제어 방법
Inventor: WATANABE YOKO
IPC: H01M50/291
Filed: 2017-12-27
Abstract: 복수의 단전지를 포함하는 조전지에 있어서, 단전지 사이의 열이동을 제어할 수 있는 구획 부재, 조전지 및 조전지의 제어 방법을 제공한다. 
구획 부재는, 조전지를 구성하는 단전지 사이를 구획하고, 두께 방향의 2 면을 갖는 구획 부재로서, 상기 2 면 중 일방의 평균 온도가 180 ℃ 를 초과하는 경우에 있어서의 상기 두께 방향의 단위 면적당의 열저항 (θ 1 ) 이 하기 식 1 을 만족하고, 또한, 상기 2 면의 쌍방의 평균 온도가 80 ℃ 를 초과하지 않는 경우에 있어서의 상기 두께 방향의 단위 면적당의 열저항 (θ 2 ) 이 하기 식 2 를 만족한다. 
θ 1  ≥ 5.0 × 10 -3  [㎡·K/W] ··· (식 1) 
θ 2  ≤ 4.0 × 10 -3  [㎡·K/W] ··· (식 2)
Patent KR-20190091562-A (KR)
Inventor: KANTOR ARCADIY G
IPC: G06Q50/30
Filed: 2012-09-04
Abstract: 본 명세서에 온라인 저장 장치(가령, 클라우드 저장 장치)로부터의 아이템을 공유하기 위한 기법이 기재된다.  적어도 일부 실시예에서, 공유 링크는 아이템에 대한 후속 액세스를 위해 사용할 계정을 선택하거나 등록할 목적으로 공유 아이템에 대한 제한된 1회용 액세스를 수신자에게 제공하는 1회용 공유 링크로서 구성될 수 있다.  수신자는 아이템의 소유자/공유자가 반드시 계정에 대한 연락처 정보를 구비하거나 계정에 대한 링크를 송신할 필요 없이 공유 아이템을 액세스하는 데 가장 편리한 계정을 선택할 수 있다.  1회용 링크의 선택은 특정한 계정을 선택하기 위한 옵션을 선택적으로 제공하는 인증 시퀀스를 개시한다.  1회용 공유 링크가 상환되면, 아이템에 대한 후속 액세스 관해 1회용 공유 링크가 무효화된다.
Patent KR-20190109520-A (KR)
Title: Dc-dc 변환기
Inventor: MAYER DICK ANTON
IPC: H02M3/155
Filed: 2018-01-24
Abstract: 본 발명은 출력측에 저장 커패시터 배열을 갖는 DC-DC 변환기로서, 전해 커패시터(1), 세라믹 커패시터(2) 및 회로 배열체의 병렬 접속부, 즉, 병렬 회로로 형성되고, 상기 병렬 접속부는 하이브리드 전해 커패시터(3) 및 억제 다이오드(4)로 구성된 직렬 회로; 및 상기 하이브리드 전해 커패시터(3)와 병렬로 연결된 저항(5)을 갖는, DC-DC 변환기에 관한 것이다.
Patent KR-20200129027-A (KR)
Title: 구리 합금 선재 및 구리 합금 선재의 제조 방법
Inventor: MATSUO RYOSUKE
IPC: C22C9/00
Filed: 2019-02-18
Abstract: 본 발명의 목적은, 우수한 도전율을 저해하지 않고, 선재를 세경화한 경우에도, 인장 강도가 우수한 구리 합금 선재 및 그 제조 방법을 제공하는 것이다. 
1.5 ∼ 6.0 질량％ 의 Ag, 0 ∼ 1.0 질량％ 의 Mg, 0 ∼ 1.0 질량％ 의 Cr 및 0 ∼ 1.0 질량％ 의 Zr 을 함유하고, 잔부가 Cu 및 불가피 불순물로 이루어지는 합금 조성을 갖는 구리 합금 선재로서, 상기 구리 합금 선재의 길이 방향에 대해 평행한 단면을 관찰한 경우에, 240 ㎚ × 360 ㎚ 의 장방형의 관찰역에 있어서의, 모상인 Cu 에 정합하여 석출되어 있는 석출물의 면적 비율 (A) 이, 하기 식 (I) 
(0.393 × x － 0.589) ％ ≤ A ≤ (3.88 × x － 5.81) ％

(I) 
(식 (I) 중, x 는 Ag 의 질량％ 를 나타낸다) 의 범위 내인 구리 합금 선재.
Patent KR-20200006969-A (KR)
Title: 니들 펀치 벨루어 카펫을 제조하는 방법
Inventor: LEHMANN RALF
IPC: D04H1/485
Filed: 2018-05-15
Abstract: 본 발명은 종래의 플랫 니들 부직포 및 딜루어 카펫들보다 유리한 특성을 갖는 벨루어-타입 및 우수한 내마모성 표면을 갖는 니들 펀치 카펫의 제조 방법에 관한 것이다.
Patent KR-20190130167-A (KR)
Title: 유기폴리실록산 수지의 제조 방법
Inventor: KAEPPLER KLAUS
IPC: C08G77/06
Filed: 2017-05-16
Abstract: 본 발명은 유기클로로실란의 가수분해 및 축합에 의해 유기폴리실록산 수지를 제조하는 다단계 방법에 관한 것이다.
Patent KR-20200015489-A (KR)
Title: 열가소성 수지 조성물, 열가소성 수지 조성물의 제조 방법, 성형품 및 성형품의 제조 방법
Inventor: SHIBATA TAKUYA
IPC: C08F2/02
Filed: 2018-03-23
Abstract: 내충격성이 우수하면서, 특히 고도의 투명성, 양호한 색조를 겸비한 열가소성 수지 조성물을 제공한다.  본 발명은, 굴절률이 1.510 이상 1.520 이하인 고무질 중합체(r) 존재 하에서, 적어도, 방향족 비닐계 단량체(a1)와 (메타)아크릴산 에스테르계 단량체(a2)를 포함하고, 시안화 비닐계 단량체(a3)를 실질적으로 함유하지 않는 단량체 혼합물(a)을, 그래프트 공중합하여 얻어진 그래프트 공중합체(A)와 비닐계 공중합체(B)를 가지는 열가소성 수지 조성물로서, 열가소성 수지 조성물의 아세톤 불용분(C)이, 시안화 비닐계 단량체 유래 단위를 실질적으로 함유하지 않고, 열가소성 수지 조성물의 아세톤 가용분(D)이, 시안화 비닐계 단량체 유래 단위를 포함하고, 또한, 시안화 비닐계 단량체 유래 단위의 함유량이, 아세톤 가용분(D) 100질량%에 대해, 2질량% 이상 20질량% 이하인 것을 특징으로 한다.
Patent KR-20210088127-A (KR)
Title: System for collecting and presupposing information of local enviroment with big data
Inventor: KSJ
IPC: G01W1/02
Filed: 2020-01-06
Abstract: Disclosed is a system for collecting and predicting local environmental information, which is able to provide local weather and environmental information in real time. In accordance with the present invention, the system comprises: two or more information collection systems which include a mobile communication relay, and environment monitoring apparatuses which are installed near the mobile communication relay and which detect the surrounding environmental information by individual sensors, and provide environmental information including the installation position information about the mobile communication relay to the mobile communication relay; a mobile communication server which receives the position information and environmental information about each environment monitoring apparatus of the information collection systems; an information collection server which stores and manages the position information and environmental information received from the mobile communication server for each time zone; and an information operation server which geographically divide the regions based on the position information stored in the information collection server, and generates local environmental information based on the environmental information corresponding to the geographic division. Accordingly, the present invention is able to collect and use local environmental information in real time, induce a quality enhancement of information for daily life, and build an information provision infrastructure which can be easily used by travel businesses and transport businesses and the like.
Patent KR-20210099433-A (KR)
Title: Cathode, Lithium-air battery comprising cathode, and preparation method thereof
Inventor: KIM TAE YOUNG
IPC: H01M12/08
Filed: 2020-02-04
Abstract: Provided are: a positive electrode which uses oxygen as a positive electrode active material, includes a porous film having a porosity of 50% or more, wherein the porous film includes a metal oxide, so that an organic component content is 2 wt% or less of the total weight of the positive electrode; a lithium-air battery comprising the same; and a method for manufacturing the same.
Patent KR-20210100387-A (KR)
Title: Disaster rescue request emergency flashlight
Inventor: CHO SUK TAI
IPC: F21S9/04
Filed: 2020-02-06
Abstract: The present invention is relates to an emergency flashlight for disaster rescue request. The emergency flashlight, placed inside the case of storage box (100) consisting of a body (10) and a handle (20). A buzzer module (1), an LED module (2), and a laser light generating module are installed in the body (10). The present invention is capable of rescue requesting rapidly and surely by the emergency flashlight in case of a disaster, is easy to use, and has a remarkable effect of securing safety of a person in an accident.
Patent KR-20210100440-A (KR)
Title: Installation Method of a Multi-layer Low-depth Ground Heat Exchanger
Inventor: YUJIN NAM
IPC: F24T10/00
Filed: 2020-02-06
Abstract: The present invention relates to an underground heat exchanger construction method, which comprises: a step (a) of excavation; a step (b) of installing a plurality of fixing pins in a space excavated in the step (a); a step (c) of installing the pipe in the plurality of fixing pins to enable a bending portion of a pipe to be bent; a step (d) of refilling at preset height; a step (e) of repeating from the step (b) to the step (d).
Patent KR-20210100983-A (KR)
Title: Object tracking system and method for tracking the target existing in the region of interest
Inventor: HONG DU YOUNG
IPC: G01S13/66
Filed: 2020-02-07
Abstract: Provided is an object tracking system that includes a radar sensor that transmits a signal to detect a tracking target in the region of interest, sets an event zone, and calculates an effective distance of the region of interest when a measurement angle is provided in a range between an initial angle and a final angle set according to the region of interest; a camera part that tracks the movement of the tracking target, and is fixed to a central angle when the tracking target is present in a central region; an information processing part that generates coordinate information according to the location of a tracking target and calculates tracking information obtained by combining the coordinate information and motion information; and a communication part that shares the tracking information.
Patent KR-20210101413-A (KR)
Title: Recognition Method of Korean Vowels using Bayesian Classification with Mouth Shape
Inventor: KIM SEONG WOO
IPC: G06K9/46
Filed: 2020-02-10
Abstract: A pronunciation recognition method based on a mouth shape comprises: a step of detecting a mouth shape in an input image, and normalizing an image size to define an attribute value that expresses a certain feature point regardless of a facial size; and a step of recognizing a Hangul (Korean alphabet) vowel pronunciation according to the attribute value expressing the feature point through a Bayesian classifier. Therefore, the present invention is capable of having an advantage for which learning does not take a long time and does not require a high-spec hardware.
Patent KR-20210108712-A (KR)
Title: Memory system and operating method thereof
Inventor: KIM DAE SUNG
IPC: G11C16/30
Filed: 2020-02-26
Abstract: In accordance with embodiments of the present invention, a memory system comprises: a memory device including a plane including a plurality of memory blocks stored with multi-bit data per cell; and a controller for detecting remaining memory blocks except for a first memory block as a problem occurrence candidate group when a problem-causing operation is performed on the first memory block among the memory blocks, changing read level values of read voltages corresponding to a second memory block when a read command for the second memory block among the problem occurrence candidate group is received, and controlling the memory device to perform a read operation on the second memory block by applying the read voltages having the changed read level values. The problem-causing operation is a program operation or an erase operation. Therefore, the probability of success of the read operation can increase.
Patent KR-20210109111-A (KR)
Title: Compound and light emitting device comprising the same
Inventor: LEE HYO YOUNG
IPC: C07F5/02
Filed: 2020-02-26
Abstract: Disclosed are a compound represented by chemical formula 1 and a light emitting device including the same. The present invention lowers a driving voltage and increases efficiency.
Patent KR-20210109338-A (KR)
Title: E-mail based on enclosed ticketing system and method using the same
Inventor: CHOI JEONG HOON
IPC: G06Q10/10
Filed: 2020-02-27
Abstract: The present invention discloses an e-mail based enclosed ticketing system and a method using the same. That is, the present invention includes a user terminal that accesses a reservation server through a web or mobile application, checks performance or event information provided by the reservation server, enters e-mail address information and quantity information, and applies for the issuance of a ticket for viewing a desired performance or participating in an event; and a reservation server that provides the performance or event information through the web or mobile application and provides the ticket as soon as payment information corresponding to the ticket issuance information applied by the user terminal is confirmed. The ticket applied by the user terminal can be changed from an inactive state before the payment for the ticket to an activated state after the payment.
Patent KR-20200107824-A (KR)
Inventor: SAKAKURA TAKATOSHI
IPC: H01R11/01
Filed: 2020-03-03
Abstract: An object of the present invention is to provide an anisotropic conductive sheet which can suppress an anisotropic conductive portion from being separated from an insulating layer and includes the anisotropic conductive portion which is excellent in anisotropic conductivity. An anisotropic conductive sheet (1) includes an insulating layer (2) having a through hole (6) and an anisotropic conductive portion (3) disposed in the through hole (6). The through hole (6) has a first opening (60) and a second opening (70). The insulating layer (2) has a third main side surface (43) and an extended surface (7). The anisotropic conductive portion (3) includes a first conductor portion (4) and a second conductor portion (5). The first conductor portion (4) is formed in a substantially flat plate shape. In the first conductor portion (4), the second surface (32) is exposed on the other side in the thickness direction, the main end (12) of the first surface (31) contacts the insulating layer (2), and an inner portion (11) of the first surface (31) contacts the second conductor portion (5). The second conductor portion (5) contacts the third main side surface (43). In the second conductor portion (5), the fifth surface (35) is in contact with the inner portion (11) and the extended surface (7) and the fourth surface (34) is exposed on one side in the thickness direction.
Patent KR-20210111513-A (KR)
Title: Mist Injection Lighting Device and System For Relieving Fine Dust and Heat Island
Inventor: KIM HAG KEE
IPC: B05B1/14
Filed: 2020-03-03
Abstract: The present invention relates to a mist spray lighting device for alleviating a heat island and fine dust and a system thereof. More specifically, the mist spray lighting device for alleviating a heat island and fine dust is provided to receive fluid and spray the fluid in a mist form through a plurality of spray parts, moves the fluid through a flow path in a body part formed by molding to simplify piping and prevent leakage when transporting the fluid, accommodates a spray nozzle unit body therein to spray mist in at least one direction, prevents leakage when supplying the fluid to the plurality of spray parts, has a simplified piping arrangement to simplify manufacturing processes, has a reduced size, and can emit light with mist. The mist spray lighting system comprises a plurality of mist spray lighting devices, an information transmission means provided in each sector, and a central control means controlling mist spraying and/or light emission of the mist spray lighting devices in accordance with data on an environmental condition to spray mist through central control management.
Patent KR-20210057639-A (KR)
Title: An microfluidic device for separating bacteria in blood
Inventor: YANG SUNG
IPC: B01L3/00
Filed: 2020-03-03
Abstract: The present invention provides a microfluidic device which comprises: a microfluidic channel in which a microfluidic structure is repeated to separate blood cells and bacteria in the blood; an inlet for supplying the blood from the front end of the microfluidic channel; a first outlet through which the separated blood cells are discharged from the rear end of the microfluidic channel; and a second outlet for discharging the separated bacteria from the rear end of the microfluidic channel. According to an embodiment of the present disclosure, it is possible to obtain a sufficient amount of bacteria from blood within a short time.
Patent KR-20200028369-A (KR)
Title: Optical imaging system
Inventor: SON JU HWA
IPC: G02B13/00
Filed: 2020-03-05
Abstract: An objective of the present invention is to provide an imaging optical system which facilitates aberration correction. According to an embodiment of the present invention, the imaging optical system comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially arranged along an optical axis from an object side towards an image side. The first lens has a positive refracting power. The second lens has a negative refracting power. An object-side surface of the fourth lens is convex. Surface treatment areas formed more roughly than other portions are arranged on a rib of an upper surface and a rib of an object-side surface of the seventh lens. A first non-treatment area having a roughness different from the surface treatment areas is arranged on the rib of the object-side surface of the seventh lens. A second non-treatment area having a roughness different from the surface treatment areas is arranged on the rib of the upper surface of the seventh lens. The first non-treatment area and the second non-treatment area include an area overlapped in the optical axis direction. When the focal distance of the first lens is f1, the focal distance of the second lens is f2, the focal distance of the third lens is f3, the focal distance of the fourth lens is f4, the focal distance of the fifth lens is f5, the focal distance of the sixth lens is f6, the focal distance of the seventh lens is f7, and the distance from the object-side surface of the first lens to an imaging surface of an image sensor on the optical axis is TTL, 0.1 < (1/f1+1/f2+1/f3+1/f4+1/f5+1/f6+1/f7)*TTL < 1.0 can be satisfied.
Patent KR-20210114595-A (KR)
Title: Display device
Inventor: HONG SANG MIN
IPC: H01L27/32
Filed: 2020-03-10
Abstract: Provided is a display device, which may include a display panel and an electronic module disposed under the first area of the display panel. The display panel may include a first emission layer including a first emission portion and a second emission portion, and a second emission layer including a third emission portion and a fourth emission portion. The first light emission portion is inclined toward a lower surface of the display panel from the second light emission portion. The fourth light emission portion may be inclined toward a top surface of the display panel from the third light emission portion.
Patent KR-20200112698-A (KR)
Inventor: NANDWANA DINKAR
IPC: C23C16/44
Filed: 2020-03-17
Abstract: According to the present invention, disclosed are a system and a method in relation to a semiconductor treatment apparatus including a manifold including a hole formed to deliver gas to a reaction chamber. The manifold includes a first block mounted on a second block, and the first and second mounted blocks cooperate to limit the hole at least partially. A supply channel provides fluid communication between the hole and a gas source, and the supply channel is at least partially placed on the second block. A metal sealing part is placed around the hole on an interface between the first and second blocks. Advantageously, the metal sealing part improves sealing between interfaces between the first and second blocks.
Patent KR-20210117618-A (KR)
Title: Steel cord for tire and method of manufacturing the same
Inventor: KIM HAN SOL
IPC: B60C9/00
Filed: 2020-03-19
Abstract: One embodiment of the present invention provides a steel cord for a tire, which comprises: a core unit made of a carbon steel material; a coating unit coated on a surface of the core unit and made of a nylon 6.6 material; and an adhesive unit coated on the surface of the coating unit and made of a resonol formaldehyde latex (RFL) resin material.
Patent KR-20210121451-A (KR)
Title: Method and apparatus for verifying reliability of train input signal
Inventor: PARK SEONG HO
IPC: B61L15/00
Filed: 2020-03-30
Abstract: The present invention relates to a method and device for verifying a reliability of a train input signal, wherein the device for verifying the reliability of the train input signal according to one embodiment of the present invention may comprise: an input processing and test control circuit that processes input signals and generates test signals; a protection circuit that comprises an insulating element for blocking external noise and receives a train input signal; an input signal testing circuit that generates a test input signal based on the test signal; an input level conversion circuit that converts a signal level of the train input signal and the test input signal; and an input level switching circuit that selects one among the train input signal and the test input signal according to an input selection signal of the input processing and test control circuit and provides to the input level conversion circuit.
Patent KR-20210125689-A (KR)
Title: A bottom-up 3D printing device with heating vat to control high viscosity materials and control method thereof
Inventor: JO KWANG HO
IPC: B29C64/232
Filed: 2020-04-09
Abstract: The present invention relates to a bottom-up 3D printing device with a heating vat to control high viscosity materials, which minimizes a making failure of a material platform. According to the present invention, the bottom-up 3D printing device comprises: a header for curing a material linearly moving in the Z-axis direction by a linear actuator; a heating vat disposed at the lower end of the header for curing a material to accommodate a high-viscosity material including zirconia (ZrO_2); and a light source unit emitting ultraviolet light for curing the material in the upper and lower parts of the heating vat. The heating vat includes: a body part including four side parts, wherein a heating member for heating the material to a predetermined temperature or higher to lower the viscosity of the high-viscosity material is inserted into each side part; and a film fixing part disposed on the lower part of the body part to fix a release film which is a transparent material passing the ultraviolet light.
Patent KR-20210133016-A (KR)
Title: Dephosphorization method of molten steel using fluorite replaced flux
IPC: C21C1/02
Filed: 2020-04-28
Abstract: The present invention discloses a dephosphorization method of molten steel using a fluorite substitute flux. The dephosphorization method of molten steel using a fluorite substitute flux according to an embodiment of the present invention includes a step of removing phosphorus from the molten steel by introducing a fluorite substitute flux into a furnace containing steelmaking slag and the molten steel, and the fluorite substitute flux contains any one selected from the group consisting of ferromanganese slag, red mud and white mud. Accordingly, by using the ferromanganese slag, red mud and white mud, which are kinds of industrial byproducts, as a fluorite substitute flux for dephosphorization of molten steel, additional values can be created through circulation of industrial byproducts.