baber/WOPTO huggingface dataset:
Patent KR-20210103370-A (KR)
Title: Method and apparatus for prediction the anesthetic requirements using preoperative brain signals
Inventor: LEE SEONG WHAN
IPC: G16H10/60
Filed: 2020-08-03
Abstract: The present invention relates to a method for predicting an anesthetic requirement using preoperative brain signals, carried out by a computer system. The method includes the steps of: (a) pretreating brain signals of a subject measured before operation and extracting information about characteristics depending on frequency; (b) inputting the information about characteristics depending on frequency to an anesthetic requirement prediction model to predict the minimum anesthetic requirement and the maximum anesthetic requirement of the subject; and (c) inputting the thus predicted minimum anesthetic requirement and maximum anesthetic requirement, and the personal information of the subject to an optimized anesthetic requirement prediction model to predict the optimized anesthetic requirement of the subject.
Patent KR-20220018724-A (KR)
Title: Sensor-based Vehicle Door Control System And Method for Prevention of Breakage
Inventor: SEO HYUN WOO
IPC: B60R16/023
Filed: 2020-08-07
Abstract: The present invention relates to a sensor-based vehicle door control system and method for preventing door ding, and more particularly to the sensor-based vehicle door control system, comprising: an opening angle limiting part installed in a rotating part of a vehicle door so that an opening angle of the door can be limited; a sensor part that detects a distance between the vehicle door and an obstacle located adjacent to the vehicle door and transmits a signal; and a control part for receiving the signal from the sensor part, wherein the control part controls the opening angle limiting part to limit the opening angle of the door according to the signal from the sensor part, thereby preventing the door from being damaged by the obstacle. According to the present invention, there is an effect of preventing the door of a vehicle from being damaged by an obstacle.
Patent KR-20220021600-A (KR)
Inventor: HYOUNG YONG JOON
IPC: G06Q50/10
Filed: 2020-08-14
Abstract: The present invention relates to a content service providing device that provides a content service processed with cultural material to a user terminal, and comprises a content service providing unit that receives user content service information according to a use of a content service from a user. The content service providing unit constructs an interface so that the user can participate in single post content registered on a social network service platform, a call-out content service in a form of a confrontation structure, and a team-up content service in a form of a cooperation structure. The present invention relates to the content service providing device for providing a content service to a user terminal.
Patent KR-20200105641-A (KR)
Title: Flexible display apparatus
Inventor: JUNG TAE HYEOG
IPC: G09F9/30
Filed: 2020-08-26
Abstract: A flexible display device includes a display panel, a case, and a plurality of driving circuits. The display panel is disposed between a first display unit, a second display unit, and the first display unit and the second display unit to connect the first display unit and the second display unit, and includes a hinge display portion which is bendable to display an image. The case covers the display panel and has a hinge thickness at the hinge display portion, and has a peripheral thickness at an end portion which is thicker than the hinge thickness. The driving circuits include a plurality of driving circuits disposed between the rear surface of the first display unit and the case. Therefore, the thickness is reduced and damage due to external impact is prevented.
Patent KR-20220030418-A (KR)
Inventor: HWANG BYEONG SEONG
IPC: F04D13/08
Filed: 2020-08-31
Abstract: The present invention relates to an electric water pump. The electric water pump includes: a housing having a housing body and a cover combined with the housing body; a motor module combined in the housing to be rotated by an applied power source; a pump module including an impeller combined with a rotary shaft of the motor module, an inlet for suctioning fluids due to a rotating force of the impeller, and an outlet for discharging the suctioned fluids by pressing the fluids; and a thrust cancelling part having one side combined with the cover or the housing body and having the other side combined with the impeller to cancel thrust toward the cover due to the rotation of the impeller. In accordance with the present invention, the electric water pump can generate a magnetic force and an elastic force against the thrust so as to prevent the impeller from coming into contact or a collision with the cover due to the thrust generated by the rotation of the impeller, and also, can stably guide a flow of the fluids by matching the center of the impeller with the center of the cover.
Patent KR-20220031353-A (KR)
Inventor: HONGJUN CHO
IPC: D06F58/26
Filed: 2020-09-04
Abstract: The present invention relates to a laundry treatment apparatus. The laundry treatment apparatus of the present invention comprises a speed reducer provided between a motor unit and a drum to convert a power provided by a motor unit to rotate the drum. The motor unit is coupled to and fixed to the speed reducer. An objective of the present invention is to provide the laundry treatment apparatus capable of maintaining a rotation shaft of the speed reducer.
Patent KR-20220032173-A (KR)
Title: Laundry drying machine and controlling method of laundry drying machine
Inventor: JI HOON KIM
IPC: D06F34/14
Filed: 2020-09-07
Abstract: The present invention relates to a laundry drying machine and a controlling method of a laundry drying machine. The present invention comprises: a cabinet; a drum rotatably installed in the cabinet and accommodating an object to be dried; and an electric field generation unit spaced apart from the drum and configured to generate an electric field inside the drum when electric power is applied. The electric field generation unit comprises: a positive electrode spaced apart from the drum, fixed to the cabinet, and configured to apply an electric field to the object to be dried that is accommodated in the drum; a power supplier which supplies a power source to the positive electrode; and a matcher provided inside the cabinet and configured to match the source impedance of the power source and the impedance of the load side. When the reflectance of the electric field exceeds a predetermined ratio, the rotational speed of the drum is reduced to lower the reflectance of the electric field, such that it is possible to prevent damage to equipment such as the matcher by a reflected wave.
Patent KR-20220034364-A (KR)
Inventor: KIM DONG YOUNG
IPC: C08G61/12
Filed: 2020-09-11
Abstract: The present invention relates to a composition for a hard mask comprising a polymer comprising a repeating unit having a specific structure. The composition for a hard mask according to the present invention comprises an amide group which is thermally stable and has excellent solubility, thereby improving etch resistance and heat resistance.
Patent KR-20220034580-A (KR)
Inventor: YI SOO YEONG
IPC: G03B17/17
Filed: 2020-09-11
Abstract: The present invention relates to an image acquisition method and apparatus to acquire a wide-area image with minimized occluded areas. According to one embodiment of the present invention, the image acquisition apparatus comprises: a first reflector reflecting light of a first path incident from the outside; a second reflector positioned spaced apart from the front surface of the first reflector to re-reflect the light of the first path reflected from the first reflector to be incident into a first hole at a vertex of the first reflector; and an image sensor installed on the rear surface of the first reflector to convert the light of the first path and the light of the second path incident from the outside into electrical signals. The second reflector includes a concave lens installed in the hole of the second reflector to allow the light of the second path to pass through and reach the image sensor installed on the rear surface of the first reflector.
Patent KR-20220040006-A (KR)
Title: Disinfection system using alkaline water
Inventor: PARK UN YONG
IPC: A61L2/18
Filed: 2020-09-23
Abstract: The present invention relates to a disinfection system using alkaline water and capable of disinfecting two or more spaces. The disinfection system includes: an electrolyzer obtaining alkaline water through electrolysis of tap water; sprayers installed at positions respectively corresponding to spaces, supplied with the alkaline water through supply pipes each connected to the electrolyzer, and respectively spraying the alkaline water to the spaces; control valves installed on the supply pipes to which the sprayers are respectively connected and adjusting the amount and time of alkaline water supply by opening-closing degree and time determination based on an external supply amount control signal; and a spray controller generating the supply amount control signal for controlling the control valves based on a signal sensed through a predetermined sensor installed in each of the spaces.
Patent KR-20220043267-A (KR)
Inventor: CHE HYEON JONG
IPC: B22D27/08
Filed: 2020-09-29
Abstract: The present invention relates to a semi-solid forging device with improved filling, and more particularly, to a semi-solid forging device having excellent filling of molten metal, excellent physical properties and quality even when there is a temperature deviation of molten metal, and improved releasability. The semi-solid forging device of the present invention includes a bolster, a lower mold part, an upper mold part, and a vibrating part.
Patent KR-20210055589-A (KR)
Title: Organic electroluminescence device and polycyclic compound for organic electroluminescence device
Inventor: PARK JUNHA
IPC: C07F5/02
Filed: 2020-10-16
Abstract: The organic electroluminescent device of an embodiment includes a first electrode, a second electrode, and a light emitting layer disposed between the first electrode and the second electrode. The light emitting layer includes a polycyclic compound represented by the following chemical formula 1 to exhibit improved luminous efficiency with a low driving voltage.
Patent KR-20220052236-A (KR)
Inventor: JIN HOON YOUNG
IPC: A47B47/00
Filed: 2020-10-20
Abstract: The present invention provides a box-type storage furniture that is configured to easily separate any one among the front, back, left, right, and top surfaces of the box-type storage furniture assembly to facilitate storage, and reduces the space occupied in storage by removing all the surfaces of box-type storage furniture when not in use. The present invention relates to a box-type storage furniture in which six magnetic pins are embedded and fixed to an upper surface of a plate and six magnetic pins are embedded and fixed to a side surface, which is assembled by being inserted into a groove, and when assembling the box-type storage furniture, the magnets are in contact vertically and horizontally, thereby increasing the coherence of the box-type storage furniture and increasing convenience in use.
Patent KR-20220057014-A (KR)
Title: Transport apparatus
Inventor: LEE JUN BEOM
IPC: H01L21/677
Filed: 2020-10-29
Abstract: Disclosed is a transportation device. The transportation device comprises: a forward transportation module configured to be movable on a travel rail; a rear transportation module configured to be movable on the travel rail; and a hoist module connected to a lower part of the front and rear transportation module. The front transportation module includes: a left front wheel placed on the travel rail; a right front wheel placed on the travel rail; a left front wheel motor for rotating the left front wheel; and a right front wheel motor for rotating the right front wheel.
Patent KR-20220060833-A (KR)
Title: Cross member for bus frame and manufacturing method thereof
Inventor: SONG IL JONG
IPC: B62D21/02
Filed: 2020-11-05
Abstract: Disclosed is an invention related to a cross member for a bus frame. The disclosed cross member for a bus frame comprises: a cross member main body disposed between neighboring side members; a first cross member lateral unit which is connected with the cross member main body and coupled with any one of the neighboring side members; a second cross member lateral unit which is connected with the cross member main body and coupled with the other of the neighboring side members; and a light weight unit provided on at least one of the first cross member lateral unit and the second cross member lateral unit. The cross member for a bus frame secures rigidity while reducing weight.
Patent KR-20220068799-A (KR)
Title: System for detecting error of automation equipment and method thereof
Inventor: LEE YOON SOO
IPC: G06N3/08
Filed: 2020-11-19
Abstract: The present invention relates to a system and a method for detecting a failure of an automation facility, and the present invention is directed to provide a system for detecting a failure of an automation facility, in which the system trains an inference model using time series data (e.g., motor torque) collected from an automation facility that is operated normally and determines a failure of the automation facility based on the trained inference model, so that it is possible to solve inconvenience that a manager has to determine whether a plurality of automation facilities have a failure one by one, and to determine the failure of the automation facility with high accuracy. To this end, the present invention may include: a first server that collects time series data for an automation facility; a database that stores the time series data collected by the first server; a second server that trains an inference model using the time series data stored in the database; and a monitoring device that detects a failure of the automation facility based on the trained inference model.
Patent KR-20220072130-A (KR)
Inventor: YOUN SUK JOONG
IPC: A63B53/04
Filed: 2020-11-25
Abstract: 본 발명은 타격감 인지형 퍼터 헤드를 제공한다. 이와 같은 본 발명에 따른 타격감 인지형 퍼터 헤드는 요입공간을 형성한 헤드 본체의 전면에 박형(薄型)의 탄성패드가 결합되는 구조를 제공함으로써 골프공 타격시 탄성패드의 변형이 미세하게 퍼터 사용자의 손으로 전달되면서 타격감을 느낄 수 있게 되고, 이를 통해 자신의 퍼팅 동작을 감각적으로 조절/조정할 수 있을 뿐만 아니라, 요입공간이 울림통 기능을 수행하면서 타격시 사운드의 발생 양상을 경험하고 관찰하면서 퍼팅 동작을 감각적으로 조절/조정할 수 있으며, 탄성패드가 요입공간 방향으로 변형되어 타격면이 오목한 곡선면을 이루면서 골프공의 타격 방향성이 안정화될 수 있는 기술적 특징을 갖는다.
Patent KR-20220073874-A (KR)
Inventor: CHOI SUNG JAI
IPC: E01F9/60
Filed: 2020-11-26
Abstract: 본 발명은 자율주행 차량의 주행방향을 제어하는 시스템에 관한 것으로, 차량에 장착된 센서로 감지되는 주변의 근거리 교통 환경정보는 물론, 센서 감지범위를 초과하는 원거리 교통 환경정보도 노변장치로부터 주행 중 실시간으로 취득할 수 있다. 따라서, 취득된 근거리 및 원거리 교통 환경정보에 따라 방향과 속도를 제어함으로써 원활한 자율주행이 이루어질 수 있다.
Patent KR-20220077637-A (KR)
Inventor: SON HYUNWOO
IPC: G01J1/02
Filed: 2020-12-02
Abstract: 태양광 노이즈 제거 방법 및 이를 이용한 광학 감지 장치가 제공된다. 광학 감지 장치는 광신호 송신을 수행하지 않는 기간에, 태양광 신호 측정을 수행하고, 측정된 태양광 신호를 디지털 신호인 태양광 데이터로 변환하여 저장한다. 이후 광신호 송신을 수행하고 광신호 송신에 따라 수신되는 신호를 측정하며, 이때, 저장된 태양광 데이터를 아날로그 신호로 변환하여 태양광 신호를 복원한다. 그리고, 측정된 신호인 전체 수신 신호와 복원된 태양광 신호를 기반으로 광신호 송신에 의해 수신되는 광 수신 신호를 획득한다.
Patent KR-20220078818-A (KR)
Title: Cctv 기반 골프 서비스 제공 방법 및 시스템
Inventor: KIM TAEKGWAN
IPC: G06T7/292
Filed: 2020-12-04
Abstract: CCTV 기반 골프 서비스 제공 방법 및 시스템이 개시된다. 시스템은 티박스에 위치한 골퍼의 얼굴 및 의상을 인식하는 제1 카메라; 골프장 전체 구간에 기설정된 이격 거리마다 설치되며, 골프공을 촬영을 촬영하는 복수의 제2 카메라; 및 상기 제1 카메라에 의해 인식된 골퍼의 얼굴 및 의상 중 적어도 하나를 이용하여 골퍼를 추적하며, 상기 복수의 제2 카메라를 통해 촬영된 골프공의 이동 경로를 추적하여 상기 추적된 골퍼에 매핑하여 영상 기록하는 서버를 포함한다.
Patent KR-20220080746-A (KR)
Title: 전동 워터 펌프
Inventor: JOO DO JAE
IPC: F04D29/58
Filed: 2020-12-04
Abstract: 본 발명은, 전동 워터 펌프에 관한 것으로, 본체와; 상기 본체에 결합되어 외부에서 인가되는 전원에 의하여 회전력을 발생 가능하게 로터와 스테이터를 구비한 모터모듈과; 상기 모터모듈의 회전력에 의하여 회전하는 임펠러와, 상기 임펠러의 회전에 의하여 유체를 흡입하는 흡입구와, 가압된 유체를 토출하는 토출구를 구비하여 상기 본체의 일측에 결합되는 펌프모듈과; 상기 모터모듈을 제어 가능하게 마련된 제어부를 결합하여 상기 본체의 타측에 결합된 제어부하우징과; 상기 모터모듈의 회전력을 상기 임펠러로 전달하는 회전축을 포함하되, 상기 로터는 로터코어를 적층하고 마그네트가 결합된 후 인서트 사출을 하고 상기 로터에 상기 회전축을 압입하여 상기 로터와 상기 회전축이 일체로 구비된 것을 특징으로 한다. 
본 발명에 따르면, 모터모듈의 회전축 및 회전축을 지지하는 구조를 간단하게 할 수 있으며 부품수룰 감소시킬 수 있고, 열이 발생되는 구성이나 부품을 효과적으로 냉각시킬 수 있으며, 조립하는 과정에서 회전축 중심으로부터 거리를 일정하게 유지하도록 안내할 수 있는 전동 워터 펌프를 제공할 수 있다.
Patent KR-20220080547-A (KR)
Title: 자가발전이 가능한 족부 검진 장치
Inventor: PARK HYUNGSOON
IPC: A61B5/00
Filed: 2020-12-07
Abstract: 본 발명의 일 측면에 따르면, 제1 회전축선을 중심으로 회전가능하게 구성되는 발가락 홀더와 제2 회전축선을 중심으로 회전 가능하게 구성되는 발목 홀더를 포함하는 발판 유닛, 상기 발가락 홀더의 회전을 기초로 상기 발가락 홀더의 토크 및 회전 각도를 측정하는 제1 측정유닛, 상기 발목 홀더의 회전을 기초로 상기 발목 홀더의 토크 및 회전 각도를 측정하는 제2 측정유닛 및 상기 발가락 홀더의 토크 및 회전 각도를 기초로 사용자의 중족지관절의 강성을 측정하고, 상기 발목 홀더의 토크 및 회전 각도를 기초로 상기 사용자의 발목관절의 강성을 측정하는 제어부를 포함하고, 상기 제1 측정유닛은, 상기 제1 회전축선에 위치하여 상기 발가락 홀더의 토크를 측정하는 제1 토크센서 및 상기 발가락 홀더의 회전에 의해 회전되어 전력을 발생시키고, 상기 전력을 상기 제1 토크센서에 공급하고, 상기 발가락 홀더의 회전 각도를 측정하는 제1 구동조립체를 포함하고, 상기 제2 측정유닛은, 상기 제2 회전축선에 위치하여 상기 발목 홀더의 토크를 측정하는 제2 토크센서 및 상기 발목 홀더의 회전에 의해 회전되어 전력을 발생시키고, 상기 전력을 상기 제2 토크센서에 공급하고, 상기 발목 홀더의 회전각도를 측정하는 제2 구동조립체를 포함하는, 자가발전이 가능한 족부 검진 장치를 제공할 수 있다.
Patent KR-20210083173-A (KR)
Title: Method for Purifying Follicle stimulating hormone
Inventor: HWANG WOO JI
IPC: C07K14/59
Filed: 2020-12-10
Abstract: The present invention relates to a method for purifying follicle-stimulating hormone in high yield and high purity. According to a purification method of the present invention, by effectively arranging a purification process sequence, a yield of FSH can be improved, the ability to remove impurities is maximized, and the efficiency of process operation can be increased.
Patent KR-20220083380-A (KR)
Title: 이미지 센서
Inventor: PARK JUN SUNG
IPC: H01L27/146
Filed: 2020-12-11
Abstract: 쉐이딩 현상이 개선되어 품질이 향상된 이미지 센서가 제공된다. 이미지 센서는, 복수의 단위 픽셀들을 포함하는 수광 영역을 포함하는 이미지 센서로, 수광 영역의 중심에 인접하는 단위 픽셀들을 포함하는 제1 영역, 및 수광 영역의 중심으로부터 제1 영역보다 이격되는 단위 픽셀들을 포함하는 제2 영역을 포함하되, 각각의 제1 영역 및 제2 영역은, 광이 입사되는 제1 면 및 제1 면과 반대되는 제2 면을 포함하는 기판과, 기판 내에, 복수의 단위 픽셀들에 대응되는 복수의 광전 변환층들과, 기판 내에, 제2 면으로부터 제1 면까지 연장되어 복수의 광전 변환층들을 분리하는 픽셀 분리 패턴과, 기판의 제1 면 상에, 복수의 단위 픽셀들에 대응되는 복수의 컬러 필터들과, 기판의 제1 면 상에, 복수의 컬러 필터들 사이에 개재되는 그리드 패턴을 포함하고, 제2 영역의 그리드 패턴의 폭은, 제1 영역의 그리드 패턴의 폭보다 크다.
Patent KR-20220086274-A (KR)
Inventor: SEON HAK CHOI
IPC: H01R13/58
Filed: 2020-12-16
Abstract: 본 발명은 커넥터조립체에 관한 것이다. 본 발명의 제1커넥터(10) 내부에는 제1터미널이 수납되고, 적어도 일부가 장착패널(P)의 장착홀(Pa)을 통과하여 상기 장착홀(Pa)의 가장자리에 걸려 고정될 수 있다. 제2커넥터(50)는 상기 제1커넥터(10)와 결합되고, 내부에는 상기 제1터미널에 연결되는 제2터미널이 수납될 수 있다. 그리고, 상기 제1커넥터(10)에는 상기 장착홀(Pa)의 가장자리에 걸리는 장착후크(20)가 구비되고, 상기 장착후크(20)에는 상기 제1커넥터(10)와 상기 제2커넥터(50)의 결합방향으로 지지홀(25)이 관통될 수 있다. 이때, 상기 제2커넥터(50)에는 상기 지지홀(25)을 통과하여 상기 장착후크(20)의 선단을 아래쪽에서 지지하는 지지암(60)이 구비될 수 있다.
Patent KR-20220087871-A (KR)
Inventor: BAE GYU YEOL
IPC: C22C38/00
Filed: 2020-12-18
Abstract: 본 발명의 일 실시형태는 2매의 모재의 일부를 겹쳐서 용접재료를 이용하여 필릿 용접을 실시함으로써 얻어지는 용접부재로서, 상기 용접부재는 모재, 용접비드 및 루트부 보강 용접금속을 포함하고, 상기 모재는 인장강도가 780MPa 이상이고, 상기 용접비드의 토우각이 160° 이상이며, 상기 용접비드 및 루트부 보강 용접금속의 비커스 경도가 280 내지 320Hv이고, 피로강도가 350MPa 이상인 용접부의 피로강도가 우수한 용접부재 및 그 제조방법을 제공한다.
Patent KR-20220091256-A (KR)
Title: 냉장고
Inventor: IKKYU LEE
IPC: F25D23/04
Filed: 2020-12-23
Abstract: 본 실시 예의 냉장고는, 제1저장 공간을 구비하는 캐비닛; 상기 제1저장 공간을 개폐하는 메인 도어; 상기 메인 도어에 구비되는 제2저장 공간; 상기 메인 도어에 이동 가능하게 장착되는 무빙 바스켓; 상기 메인 도어에 구비되는 개구부; 상기 개구부를 개폐하고, 상기 메인 도어에 대해서 힌지를 중심으로 회전 가능한 서브 도어; 상기 서브 도어에 구비되고, 상기 서브 도어가 개방된 상태에서 상기 제2저장 공간 및 상기 무빙 바스켓을 촬영하며, 이격되어 배치되는 제1카메라 및 제2카메라; 상기 서브 도어에 구비되며, 상기 제1카메라 및 상기 제2카메라 각각에서 촬영된 이미지의 적어도 일부를 포함하는 결과 이미지가 표시될 수 있는 디스플레이부; 및 상기 디스플레이부를 제어하는 컨트롤러를 포함한다.  
상기 컨트롤러는, 상기 제1카메라에서 촬영된 제1이미지에서 상기 무빙 바스켓을 포함하는 제1이미지부를 추출하고, 상기 제2카메라에서 촬영된 제2이미지에서 상기 무빙 바스켓이 미포함된 제2이미지부를 추출할 수 있다.  
상기 컨트롤러는, 추출된 제1이미지부와 제2이미지부를 포함하는 결과 이미지를 상기 디스플레이부에 표시할 수 있다.
Patent KR-20220091922-A (KR)
Title: 3-stage high pressure air compressor with four-stage compression structure
Inventor: LIM KYUNG TEAK
IPC: F04B39/10
Filed: 2020-12-24
Abstract: The present invention provides a three-stage high-pressure air compressor having a four-stage compression structure. A purpose of the present invention is to provide the air compressor capable of four-stage compression by improving a structure of a piston and a first cylinder of an existing three-stage high pressure air compressor to obtain high compression effect at low costs by using the existing general-purpose three-stage high-pressure air compressor. According to the present invention, the three-stage high-pressure air compressor comprises: first and second cylinders having a first air compressor having an upper part with a large diameter and a T-shaped lower part with a small diameter; and first and second pistons having the upper part with the large diameter and the T-shaped lower part with the small diameter to reciprocate in the first and second cylinders. The first and second cylinders have a through hole on both sides of a boundary unit in which the diameter is changed. A secondary intake valve is installed on one side of the first and second cylinders to receive firstly compressed air from a cylinder head. A secondary discharge valve is installed on the other side of the first and second cylinders to discharge the secondarily compressed air to a second air compressor. The first and second pistons individually have a ring groove in the upper part and the lower part. A first piston ring is mounted on the upper ring groove, and a second piston ring is mounted on the lower ring groove.
Patent KR-20220094481-A (KR)
Title: Light emitting diode reflector
Inventor: KIM HYUN SU
IPC: F21Y115/15
Filed: 2020-12-29
Abstract: A light-emitting diode reflector of the present invention is formed from a thermoplastic resin composition comprising: 100 parts by weight of a polyester resin including a repeating unit represented by chemical formula 1; 5 to 40 parts by weight of a white pigment; 5 to 30 parts by weight of a glass fiber; 0.1 to 3 parts by weight of a pentaerythritol diphosphite compound represented by chemical formula 2; and 0.1 to 3 parts by weight of DOPO, wherein the weight ratio of the pentaerythritol diphosphite compound and the DOPO is 1:0.2 to 1:5. The light-emitting diode reflector is excellent in reflectance, reflectance retention, thin film formability, impact resistance, heat resistance, balance of physical properties thereof, and the like.
Patent KR-20220094502-A (KR)
Title: Method and apparatus for coordinate and uncertainty estimation in images
Inventor: WON JU CHEOL
IPC: G06N3/04
Filed: 2020-12-29
Abstract: Disclosed are a system and method, wherein when estimating coordinates in an image with a convolutional neural network, a normal distribution of each coordinate is estimated from a heat map rather than a single value of each coordinate, and the coordinates and uncertainty corresponding to each coordinate are estimated together based on the estimated distribution. Provided is a method for estimating the coordinates and uncertainty in the image, which is a method for estimating the uncertainty of the estimated coordinates together when estimating the coordinates of single or multiple points of interest in a given image and includes the steps of: acquiring a plurality of initial coordinates with the convolutional neural network; defining a loss function for the initial coordinates; and obtaining the final coordinates and the uncertainty of the final coordinates from the initial coordinates.
Patent KR-20220094576-A (KR)
Inventor: LEE SANG JIN
IPC: F04D25/06
Filed: 2020-12-29
Abstract: The present invention relates to a wire length adjusting electric fan capable of adjusting the length of an electric wire. According to the present invention, the wire length adjusting electric fan comprises: an electric wire supplying power; a wire storage unit for winding and storing the electric wire; a push switch for variably adjusting the length of the electric wire; a wind-up spring unit winding the electric wire; and a sensor module which senses an impact when the electric wire is caught.