baber/WOPTO huggingface dataset:
Patent KR-102325804-B1 (KR)
Title: APPARATUS FOR CONTROLLING ACCESS TO OBJECTS BASED ON DEEP LEARNING AND IoT
IPC: G06N3/08
Filed: 2021-04-29
Granted: 2021-11-11
Abstract: An object access control apparatus based on deep learning and IOT of the present invention includes: a blocking means installed at an entrance to control the access of objects to a security space; and an access object recognition unit installed within the movement radius of the object to enter the security space to recognize the object to determine an approval for the object's access based on the result, and then control the opening and closing of blocking means, wherein the access object recognition unit includes: a storage unit configured to store approval information for approving the access to the secure space; at least one IoT sensor for collecting object information from an object that wants to enter and exit the secure space; a control unit that reflects the identification information of the collected object in a pre-registered deep learning algorithm for object recognition, recognizes the object, and determines whether access to the object is approved based on the result and the authorization information; a control signal output unit for controlling the opening and closing of the blocking means based on the result of the control unit determining whether to approve the access; and a cable mounting means for separating and accommodating at least one signal cable for transmitting the collection information of each of the at least one IoT sensors to the control unit. Therefore, the present invention separates and accommodates the wiring inside the access control device, which is complicated by the addition of various devices, for easy identification, so that the operation for installation and maintenance of each device is facilitated.
Patent KR-102404603-B1 (KR)
Title: 바닥패턴 형성용 디자인블록 세트
Inventor: SHIN EUN KYOUNG
IPC: E01C5/22
Filed: 2021-05-06
Granted: 2022-06-02
Abstract: 본 발명은 바닥패턴 형성용 디자인블록 세트에 관한 것이다. 
구성에 있어서 본 발명은, 정 사각패널의 4개의 코너부 중 대향하는 한 쪽 코너부는 직각 그대로의 꼭지점(p1)(p2)이 구비되게 하고, 다른 쪽 코너부는 소정의 사선 길이로 된 모따기면(a2)(a2')이 대향하도록 형성한 사각판 블록(A)과, 
소정 폭을 가진 막대형태이며 길이가 상기 사각판 블록(A)의 가로변(a1) 또는 세로변(a1')의 꼭지점(p1)<또는 꼭지점(p2)>에서 모따기면(a2)<또는 모따기면(a2')>의 일단 끝부분까지의 길이와 동일하며, 사각판 블록(A)의 가로변(a1) 또는 세로변(a1')에 맞대어져 인접하는 다른 사각판 블록(A)과의 경계 및 포인트를 줄 수 있도록 된 포인트바(B)와,  
장방형의 육각모양이며 긴 변(c1)의 길이가 사각판 블록(A)의 모따기면(a2)(a2')의 길이와 동일하고, 상기 긴 변(c1)의 양 끝에 연장 형성된 단변(c2)(c2')의 길이는 포인트바(B)의 폭과 동일하게 형성된 포인트부재(C)로 구성되어 이들 사각판블록(A)과 포인트바(B), 그리고 포인트부재(C)를 이용하여 바닥시공을 하였을 때 포인트바(B)와 포인트부재(C)가 사각판블록(A)을 감싸 지지하는 형상임과 동시에 사각판블록(A)이 특이하게 배치되는 것처럼 보여져 이로 인한 심미감을 극대화시킬 수 있게 함을 특징으로 한다. 
이와 같이 구성된 본 발명은 간단하고 단순한 형태로 형성된 2~3개의 구성품을 조화롭게 배치하면 됨으로 시공이 매우 간단하고 신속하게 이루어지면서 매우 쉽고, 또 시공되었을 때 포인트바(B)와 포인트부재(C) 또는 사각판 블록(A)이 시각적으로 두드러져 보이게 됨으로 반복되는 디자인의 패턴이 매우 특이하면서 심미감이 매우 뛰어나 보이는 등의 효과가 따르게 된다.
Patent KR-102353909-B1 (KR)
Title: Pendulum bearing and construction method thereof
Inventor: PARK HEE MIN
IPC: E01D19/04
Filed: 2021-05-18
Granted: 2022-01-21
Abstract: The present invention relates to a pendulum bearing capable of more stable construction due to the easy integrated behavior of an intermediate plate and a friction plate, and a construction method therefor. According to the present invention, the pendulum bearing comprises an intermediate plate, a friction plate, and a cosmetic insert, and enables more stable construction because the integrated behavior and maintenance of the intermediate plate and the friction plate are easy.
Patent KR-102383146-B1 (KR)
Title: 항균성 무기 조성물, 항균성 무기 조성물이 도포된 도금강판 및 그 제조방법
IPC: B05D3/02
Filed: 2021-05-24
Granted: 2022-04-11
Abstract: 본 발명은 크롬(Cr)을 함유하지 않아 환경 친화적이면서 항균성이 부여된 항균성 무기 조성물, 항균성 무기 조성물이 도포된 도금강판 및 그 제조방법에 관한 것으로, 상기 항균성 무기 조성물은 실란(silane)과 산촉매가 혼합되어 마련된 졸겔(sol-gel) 용액과, 0.5중량%의 은 이온이 함유된 무기 항균 수용액을 포함한다. 이를 통하여, 크롬(Cr)을 함유하지 않아 환경 친화적이고, 무기계인 은 성분이 함유된 조성물을 코팅하여 항균성이 부여되면서 내열성을 가지는 효과를 얻을 수 있다.
Patent KR-102557708-B1 (KR)
Title: 벅-부스트 컨버터 구동 장치
IPC: H02M3/158
Filed: 2021-05-28
Granted: 2023-07-20
Abstract: 일 실시예에 따른 벅-부스트 컨버터는, 복수의 스택 스위칭 트랜지스터가 각각 포함된, 벅-모드 하이 사이드 스위치부와 벅-모드 로우 사이드 스위치부와 부스트-모드 하이 사이드 스위치부 및 부스트-모드 로우 사이드 스위치부를 포함하고, 벅-부스트 컨버터를 구동하는 구동 장치는, 상기 벅-부스트 컨버터의 입력전압과 출력전압으로부터 상기 입력전압에 해당하는 전위와 상기 출력전압에 해당하는 전위를 포함하여 적어도 3종의 서로 다른 전위들을 생산하는 전위 생성부와, 상기 서로 다른 전위들을 스위치 드라이버들의 동작전위로 공급하여 상기 스위치 드라이버들의 출력과 상기 서로 다른 전위들을 상기 스택 스위칭 트랜지스터의 게이트 제어 전압으로 제공하는 컨버터 구동 장치를 포함한다.
Patent KR-102382468-B1 (KR)
Inventor: KIM SUNG JIN
IPC: C04B20/02
Filed: 2021-06-02
Granted: 2022-04-05
Abstract: The present invention relates to a concrete composition containing glass aggregate using waste glass in order to maximize an aesthetic effect of a design panel. More specifically, a design panel is attached to an outer surface of a concrete panel and has a surface of a concrete panel exposed to the outside through a pattern part formed by spraying water on a panel production sheet, on which retardation ink is printed, and washing the retardation ink. It is characterized in that the concrete composition forming a concrete panel is a mixture of water, white cement, a nylon fiber reinforcing agent, silica fume, metakaolin, polypropylene fiber, an AE water reducing agent, an admixture, silica sol, wollastonite, white silica sand, a pigment, and glass aggregate.
Patent KR-102293934-B1 (KR)
Inventor: LEE HONG JAE
IPC: B64C39/02
Filed: 2021-06-18
Granted: 2021-08-27
Abstract: The present invention relates to a structure inspection apparatus using a drone configured to be able to fly to an inspection position for a structure such as a concrete building. In the present invention, a striking unit for performing an inspection through a hammer test is mounted on the drone. The striking unit, by firing a striking ball, strikes the surface of a structure with the striking ball that flies in a free trajectory by inertia to generate a striking sound. With such the striking unit, the present invention can strike the surface of the structure from a distance where the risk of a collision of the drone against the structure is relatively low.
Patent KR-102607161-B1 (KR)
Title: 에어로졸 생성장치
IPC: A24F40/50
Filed: 2021-06-22
Granted: 2023-11-30
Abstract: 에어로졸 생성장치가 개시된다. 본 개시의 에어로졸 생성장치는, 액체를 저장하는 챔버가 형성된 카트리지; 상기 카트리지와 결합되는 바디; 상기 에어로졸 생성장치의 움직임에 대응하는 신호를 출력하는 적어도 하나의 센서; 메모리; 및 제어부를 포함하고, 상기 카트리지는, 상기 챔버와 연결되는 심지; 및 상기 심지를 가열하는 히터를 포함하고, 상기 제어부는, 상기 메모리에 사용자 인증을 위한 인증 데이터가 저장되지 않은 경우, 상기 히터에 대한 전력의 공급을 차단하고, 상기 메모리에 상기 인증 데이터가 저장되어 있는 경우, 상기 적어도 하나의 센서로부터 수신되는 신호가, 상기 인증 데이터에 대응하는지 여부를 판단하고, 상기 신호가 상기 인증 데이터에 대응하는 경우, 상기 히터에 전력을 공급할 수 있다.
Patent KR-102374405-B1 (KR)
Title: Apparatus and method for post-processing speech recognition in artificial intelligence interview
Inventor: HEONYEONG LIM
IPC: G10L15/16
Filed: 2021-06-28
Granted: 2022-03-15
Abstract: The present invention relates to a method and a device for post-processing speech recognition in an artificial intelligence (AI) interview environment, which includes the following steps of: obtaining interview data on an AI interview target and generating a word vector space based on the interview data; obtaining a speech recognition result text on the AI interview target and verifying the non-fluency of the speech recognition result text based on the word vector space; defining the non-fluency part of the speech recognition result text as a correction section and generating a correction vocabulary candidate group corresponding to the correction section based on the word vector space; verifying the structural similarity and contextual suitability of words belonging to the correction vocabulary candidate group and selecting a final correction word candidate by calculating a similarity index through selective weighting therebetween; determining whether the selected final correction word candidate is suitable; and, if the selected final correction word candidate is suitable, replacing the correction section in the speech recognition result text with the final correction word candidate and outputting the candidate. The present invention is a technique developed through the "Commercialization of AI Recruitment Evaluation System for Non-face-to-face Recruitment Environment Improvement" of the 2020 AI Technology Commercialization Support Project (CY201042) of the Seoul Business Agency in Seoul.
Patent KR-102598692-B1 (KR)
Title: 재생버너를 활용한 PM-NOx 동시저감장치 효율향상방법
IPC: F01N3/025
Filed: 2021-06-29
Granted: 2023-11-07
Abstract: 본 발명의 일 실시예에 따른 배기가스 장치는 배기가스에 포함된 입자상 물질(PM)을 제거하는 DOC/DPF 모듈, 상기 DOC/DPF 모듈 전단에 배치되어 가열하는 재생버너 모듈, 상기 DOC/DPF 모듈 후단에 배치되어 환원제를 이용하여 배기가스에 포함된 질소산화물을 제거하는 SCR 모듈, 및 상기 환원제 분사량 및 배기가스의 온도에 따라 상기 재생버너의 구동을 제어하는 제어모듈을 포함한다.
Patent KR-102343986-B1 (KR)
Title: Insulating construction decoration wallpaper sheet and manufacturing method the same
Inventor: LEE BEOM CHAN
IPC: B32B7/12
Filed: 2021-07-08
Granted: 2021-12-27
Abstract: Disclosed are an insulating and sound-absorption surface decoration panel for buildings and a manufacturing method thereof. According to the present invention, the surface decoration panel is manufactured by forming a through-hole of a regular or atypical shape in an upper surface material decorated with color or printing and bonding a panel body, which is lighter and more flexible than a wood board, to the lower part of the upper surface material. The surface decoration panel comprises: the panel body (20) attached to an interior wall (W), having a porous structure whose internal tissue has low density to reflect and absorb external noise from the inside, and having a stretchable material and/or structure to absorb an external impact; and the decorative surface material (10) adhered to the upper front surface of the panel body (20) by an adhesive layer (12) and having a plurality of through-holes (11) formed to absorb noise by the plate body (20). Accordingly, a decorative plate product with this structure has a simple manufacturing process, thereby lowering cost and providing excellent decoration effect by various external designs. In addition, the decorative plate product is light, thereby providing convenience in construction and providing excellent soundproofing effect and excellent shock absorption and moisture resistance/moisture-proof performances.
Patent KR-102317125-B1 (KR)
IPC: C12Q1/6886
Filed: 2021-07-26
Granted: 2021-10-25
Abstract: 본 발명은 비침습적 체외진단을 위한 조기간암 진단용 엑소좀 miRNA 패널마커 조성물에 관한 것으로서, 새로운 혈청 간암 바이오마커를 찾기 위해 간암 세포가 분비하는 엑소좀 내부의 microRNA를 분석하여, 간암 엑소좀에서 특이적으로 과발현되는 microRNA를 규명하여, 현재 신뢰성 있는 바이오마커가 없는 조기 간암에서 진단적 정확도가 높은 새로운 혈청 바이오마커를 발굴하였다. 이와 같이, 엑소좀을 이용하여 조직 검사 없이 암세포 유전체 및 단백체를 확인함으로, 향후 간암처럼 조직 검사에 따른 위험이 큰 질환군에서 유용한 진단 바이오마커로 활용될 가능성이 매우 높다.
Patent KR-102388034-B1 (KR)
Inventor: BACH DU JIN
IPC: A61B18/14
Filed: 2021-07-29
Granted: 2022-04-20
Abstract: The present invention relates to an electrode device for blocking or controlling nerves inside a body comprising: a body which includes a shaft; an electrode unit which is formed to be drawn out from one end unit of the shaft, and blocks or controls at least a part of the nerves in a tube of the body; an electrode guide which is combined with an end of the electrode unit, and guides the electrode unit to be touched to the tube in the body; an electrode guide driving unit which forwardly and backwardly moves the electrode guide; and an electrode driving unit which is connected to the electrode guide driving unit, and forwardly and backwardly moves the electrode unit. The electrode driving unit includes: a tension retaining unit which is connected to one end of the electrode unit, and provides tension to the electrode unit; and a moving unit which releases connection with the tension retaining unit after forwardly moving the tension retaining unit until the electrode guide covers the circumference of the tube inside the body in a state of being connected to the tension retaining unit. After releasing connection with the moving unit, the tension retaining unit backwardly moves an electrode connecting unit connected to one end of the electrode unit.
Patent KR-102608159-B1 (KR)
IPC: H04R29/00
Filed: 2021-08-03
Granted: 2023-11-29
Abstract: 검사 플랫폼; 로딩 기기, 검사 신호 생성 기기, 사운드 감지 기기, 제어 유닛 및 언로딩 기기를 포함하는 검사 장치가 개시된다. 상기 로딩 기기는 상기 검사 플랫폼에 복수의 검사 대상 기기를 로딩하도록 구성된다. 상기 검사 신호 생성 기기는 하나 이상의 검사 신호를 생성하도록 구성된다. 상기 복수의 검사 대상 기기는 상기 하나 이상의 검사 신호를 수신하고 상기 하나 이상의 검사 신호에 따라 하나 이상의 검사 사운드를 생성한다. 상기 사운드 감지 기기는 상기 하나 이상의 검사 사운드를 수신하도록 구성된다. 상기 제어 유닛은 상기 검사 플랫폼으로부터 복수의 검사 대상 기기를 언로딩하도록 상기 언로딩 기기를 제어하고, 상기 사운드 감지 기기에 의해 수신되는 하나 이상의 검사 사운드에 따라 상기 복수의 검사 대상 기기를 복수의 그룹으로 분류하도록 상기 언로딩 기기를 제어한다.
Patent KR-102344054-B1 (KR)
Title: A diagnostic method of a multi-optical vision system using a reference target
Inventor: MOON JIN YOUNG
IPC: G06T3/40
Filed: 2021-09-07
Granted: 2021-12-28
Abstract: The present invention relates to a method for diagnosing a multi-optical vision system using a reference target. Specifically, the method comprises the steps of: setting a plurality of first regions for the reference target, and setting the remaining regions except for the first region in the reference target as a second region; for the second region, acquiring a diagnosis image, and setting an optimal illumination based on the acquired diagnosis image; adjusting definition through gray level conversion for a reference mark on the first region; and adjusting a resolution according to the distance between the reference marks on the first region on image processing. The present invention can automatically diagnose and calibrate the multi-optical vision system based on quantitative data on the multi-optical system.
Patent KR-102586702-B1 (KR)
Title: 농약 및 입자 살포가 가능한 드론
IPC: B64C39/02
Filed: 2021-09-30
Granted: 2023-10-06
Abstract: 농약 및 입자 살포가 가능한 드론이 개시된다. 농약 및 입자 살포가 가능한 드론은 기설정 체적을 갖는 전장부; 상기 전장부의 아래쪽으로 연장되는 지지 로드; 일단이 상기 전장부와 결합하고, 상기 전장부의 외측으로 연장되는 적어도 날개 지지대; 및 상기 날개 지지대의 타단에 각각 제공되며, 회전가능한 날개를 포함하되, 상기 전장부는 컨트롤 박스가 탈착 가능하게 제공된다.
Patent KR-102499107-B1 (KR)
Title: One body-type abutment for implants with improved load distribution and prosthesis bonding
Inventor: IM JONG HWA
IPC: A61C8/00
Filed: 2021-10-06
Granted: 2023-02-14
Abstract: Provided is a technology which has a simple manufacturing process, low possibility of damage, and a large available load compared to a conventional abutment, so that a prosthesis can be formed relatively thick, thereby increasing stability, and effectively preventing removal of the prosthesis and a screw for fixing the prosthesis. An integrated abutment for implant having improved load distribution and prosthesis bonding, according to one embodiment of the present invention, comprises: a body part which has a first end surface at an upper portion thereof and a second end surface having a diameter different from that of the first end surface at a lower portion of the first end surface, and which has a hollow portion at the center thereof, into which a prosthesis screw is inserted; a screw insertion part which is integrally formed while extending downward from the body part, and is inserted into a fixture fixed to an alveolar bone by screwing; and a post part which is integrally formed while extending to an upper portion of the first end surface of the body part, and the center of which includes a plurality of support posts formed in a circumferential direction along the center of the hollow portion so that the hollow portion extends, wherein an inclined part is formed to obliquely connect between the uppermost side surface and an upper surface of each of the support posts constituting the post part, and the planar shape of the outermost surfaces of the support posts is partially formed with a straight line portion, not a circular one.
Patent KR-102448833-B1 (KR)
Title: Method for rendering for virtual reality
Inventor: YUN JI HOON
IPC: G06T19/20
Filed: 2021-10-13
Granted: 2022-09-29
Abstract: A rendering method for cloud VR is disclosed. A rendering method according to various embodiments may include the operations of: predicting a latest head angle and a latest head position reflecting a user's head motion that occurred from a first time when the user's motion data is received to a second time when the user actually sees an image in virtual reality; predicting an angle error included in the predicted latest head angle and a position error included in the predicted latest head position; obtaining a range of the angle error based on the angle error, and obtaining a range of the position error based on the position error; generating a plurality of second images by rendering a plurality of first images obtained at each of a plurality of points (multi-point) calculated within the range of the position error; and compressing and transmitting the plurality of second images to a client generating a third image in which the position error of the plurality of second images is corrected. A technique for correcting motion prediction errors can be provided.
Patent KR-102328334-B1 (KR)
Title: Structure of foothold bolt used in electric pole
IPC: E04H12/00
Filed: 2021-10-25
Granted: 2021-11-19
Abstract: Disclosed is a structure of a foothold bolt for electric pole work, which has a fastening unit for coupling with a safety ring through an attachment and detachment method connected to a safety rope of a safety stand on a stem unit to effectively prevent a falling accident of a worker during work on the pole and reduce fatigue of the worker. The described foothold bolt for electric pole work comprises: a screw unit inserted into a penetration hole of an electric pole; the stem unit extended from the screw unit; and a head unit positioned in a free end part of the stem unit. The stem unit has the fastening unit for coupling with the safety ring through the attachment and detachment method connected to the safety rope.
Patent KR-102367100-B1 (KR)
Title: Smart Farm Nutrient Solution Supply System Having Improved Sensor Measurement Reliability And Agitator Efficiency
Inventor: OK KYUNG SOO
IPC: B01F25/00
Filed: 2021-10-26
Granted: 2022-02-24
Abstract: The present invention relates to a smart farm nutrient solution supply system including a structure with improved sensor measurement value reliability and agitator efficiency. According to the present invention, the smart farm nutrient solution supply system includes: a nutrient solution storage tank; a main discharge nozzle; a nutrient solution circulation pipe; an air pump; a detection sensor; a nutrient solution provision pipe; a nutrient solution recovery pipe; an additional nutrient solution component supply unit; and a control unit.
Patent KR-102344286-B1 (KR)
IPC: G06Q10/04
Filed: 2021-11-03
Granted: 2021-12-29
Abstract: 본 발명은 클라우드 환경 기반 고온부품 수명 예측 방법 및 이를 위한 클라우드 서버에 관한 것으로, 본 발명의 실시예에 따른 클라우드 환경 기반 고온부품 수명 예측 방법은, (a) 발전설비의 고온부품 손상등급 평가를 위해 고온부품 재료별로 딥러닝 모델을 구성하여 데이터베이스에 고온부품 손상등급 평가 결과를 저장 및 관리하는 단계; (b) 상기 고온부품 손상등급 평가 결과를 이용하여 운전시간 또는 기동정지횟수에 대한 손상등급 확률 분포를 도출하는 단계; 및 (c) 상기 손상등급 확률 분포를 통해 향후 손상율 추정곡선을 도출하는 단계;를 포함한다.
Patent KR-102403867-B1 (KR)
Inventor: LIM CHEOL SOO
IPC: B62D15/02
Filed: 2021-11-25
Granted: 2022-05-31
Abstract: The present invention relates to a vehicle with a parking support system formed for easy and convenient parking. The vehicle with the parking support system includes: a wheel form display part enabling a driver to check a form in which a vehicle wheel is transformed in accordance with a vehicle steering wheel operation; a parking line detection part detecting a parking line formed on the floor of a parking zone; and a parking line extension display part displaying a parking line extension mark extended from one end of a parking line in a longitudinal direction among parking lines detected by the parking line detection part, up to a predetermined distance. Moreover, the parking line extension mark is virtual information, and the vehicle with the parking support system also includes a parking line determination part determining whether the parking lines detected by the parking line detection part are longitudinal or widthwise parking lines. In accordance with the present invention, since the driver can check the form of the wheel in accordance with the steering wheel operation and the virtual parking line extension mark, the user can park the vehicle while matching the form of the wheel rotating during parking with the parking line extension mark, which can lead to an effect of enabling convenient and accurate parking.
Patent KR-102395127-B1 (KR)
Inventor: KANG SEUNG HEE
IPC: B05B13/04
Filed: 2021-11-29
Granted: 2022-05-09
Abstract: The present invention relates to a coating method and a coating device for painting a surface of a scroll compressor and, more particularly, to a coating method and a coating device of a scroll compressor for uniformly coating with a coating liquid and reducing costs. The coating method of a scroll compressor according to the present invention comprises the following: a first upper surface coating step of spraying a coating liquid from the top of the normal rotating scroll compressor to an upper surface of a base plate and an upper surface of a spiral plate; after the first upper surface coating step, a second upper surface coating step of spraying the coating liquid from the top of the reversely rotating scroll compressor to the upper surface of the base plate and the upper surface of the spiral plate; after the second upper surface coating step, a first inner surface coating step of spraying the coating liquid from the normal rotating scroll compressor to an inner surface of the spiral plate; after the first inner surface coating step, a second inner surface coating step of spraying the coating liquid from the reversely rotating scroll compressor to the inner surface of the spiral plate; after the second inner surface coating step, a first outer surface coating step of spraying the coating liquid from the normal rotating scroll compressor to an outer surface of the spiral plate; and after the first outer surface coating step, a second outer surface coating step of spraying the coating liquid from the reversely rotating scroll compressor to the outer surface of the spiral plate.
Patent KR-102385334-B1 (KR)
Inventor: JANG YONG HO
IPC: F16M11/20
Filed: 2021-12-14
Granted: 2022-04-12
Abstract: The present invention relates to an impact protection system for geodetic surveying with improved surveying precision. In accordance with the present invention, in a state in which the center of a hemispheric body constituting a landing part and a dome-shaped separation prevention cap is matched with a ground control point or each spot on the ground, the center of tilting and horizontal rotation of a dome-shaped rotary body combined with a staff combination plate is matched with the center of the hemispheric body, and, verticality adjustment parts in forward and backward directions and in left and right directions are provided, and, accordingly, during the progress of surveying work, even if a staff man is not holding a staff with a hand, the staff can be accurately stood on the ground control point or each spot in a vertical direction, and, moreover, when a direction of the staff needs to be changed on the same position, the direction of the staff can be changed 360 degrees without being lifted up and put down. Also, a plurality of normal direction compression coil springs are provided in the dome-shaped rotary body and a vertical compression coil spring is provided between the dome-shaped rotary body and the staff combination plate to absorb a vertical vibration or impact as well as vibrations or impacts in forward and backward directions and in a horizontal direction, thereby increasing surveying precision.
Patent KR-102404925-B1 (KR)
Inventor: HAN YE JU
IPC: H04N21/2343
Filed: 2021-12-14
Granted: 2022-06-02
Abstract: 본 발명의 일 실시예에 따른 학습자의 온라인 교육 참여 확인을 위한 AI 멀티포커싱 시스템은 오프라인 수업 공간의 천정에 오프라인 수업 공간의 전면 벽상을 향해 형성되어 오프라인 화이트 보드 상의 강의 내용 및 오프라인 화이트 보드 앞에서 강의를 진행하는 교수자의 모습을 촬영하여 학습 동영상을 생성하는 영상 촬영 장치, 상기 수업자 단말로부터 수업자 인증 절차를 통해 수업자 인증 정보를 수신하면 상기 수업자 정보 데이터베이스를 기초로 상기 수업자 인증 정보에 대한 제1 인증을 실행한 후 상기 제1 인증이 성공되면 상기 수업자 단말로부터 수업자 동영상을 수신하고, 상기 수업자 동영상을 이용하여 상기 수업자의 얼굴이 미리 저장된 얼굴과 동일한지 제2 인증을 실행하고, 상기 제2 인증 결과에 따라 상기 영상 촬영 장치에 의해 촬영된 학습 동영상을 상기 수업자 단말에 제공되도록 하는 원격 강의 서버 및 상기 수업자 인증 절차를 통해 수업자 인증 정보를 입력하여 상기 원격 강의 서버에 제공하고, 상기 수업자 인증 정보를 기초로 수행된 제1 인증에 성공되면 수업자 동영상을 디코딩하여 상기 원격 강의 서버에 제공하고, 상기 수업자 동영상을 기초로 수행된 제2 인증에 성공되면 상기 영상 촬영 장치로부터 수신된 학습 동영상을 표시하는 수업자 단말을 포함한다.