baber/WOPTO huggingface dataset:
Patent KR-20180103677-A (KR)
Title: 캡티브 패스너
Inventor: HONG JOONHO
IPC: F16B35/04
Filed: 2017-02-03
Abstract: 본 발명의 양상들은 헤드(110) 및 헤드로부터 연장되는 샤프트(120)를 가지는 스터드(100)를 포함하는 캡티브 패스너에 관한 것이다.  샤프트(120)는 패스너 부분(140) 및 패스너 부분(140)에 부착되는 정지 링(400)을 가진다.  페룰(300)은 페룰의 길이방향 축을 따라 연장되는 통로를 규정한다.  스터드(100)는 페룰(300)의 통로 내에 배치되고 페룰(300)에 관련하여 이동가능하다.  페룰(300)의 선단 부분은 스터드(100)를 향하여 연장되는 내향 플랜지(322)를 가진다.  페룰(300)의 선단 부분의 내향 플랜지(322)는 페룰(300)에 관련하여 스터드(100)의 변위 시 정지 링(400)과 맞물리도록 위치된다.  페룰(300)의 내향 플랜지(322)는 페룰(300)의 길이방향 축과 스터드(100)의 길이방향 축의 오정렬을 감소시키도록 구성된다.  정지 링(400)은 스터드(100)의 샤프트(120)의 말단 부분에서 페룰(300)의 길이방향 축과 스터드(100)의 길이방향 축의 오정렬을 감소시키도록 구성된다.
Patent KR-20170118178-A (KR)
Title: 다수의 적층된 발광 디바이스를 갖는 디바이스
Inventor: BECHTEL HANS HELMUT
IPC: H01L25/075
Filed: 2016-02-10
Abstract: 본 발명의 실시예들에 따른 디바이스는 제1 n형 영역과 제1 p형 영역 사이에 배치된 제1 반도체 발광층을 포함한다.  제2 n형 영역과 제2 p형 영역 사이에 배치된 제2 반도체 발광층이 상기 제1 반도체 발광층 위에 배치된다.  비-Ⅲ-질화물 재료가 상기 제1 발광층과 상기 제2 발광층을 분리한다.
Patent KR-20180002607-A (KR)
Title: 캡처된 이미지에 대한 패스-스루 디스플레이
Inventor: LEE JOHNNY CHUNG
IPC: G06T5/00
Filed: 2016-05-03
Abstract: 방법은 이미지 센서에 의해 캡처된 이미지의 픽셀 로우 세트의 각 픽셀 로우를 이미지 센서로부터 순차적으로 출력하는 단계를 포함한다. 상기 방법은 이미지 센서에 의해 캡처된 이미지의 제 2 픽셀 로우가 출력되기 전에 상기 캡처 이미지의 제 1 픽셀 로우를 나타내는 픽셀 로우를 디스플레이 디바이스에 디스플레이하는 단계를 더 포함한다. 장치는 제 1 유형의 공간 왜곡을 부여하는 제 1 렌즈, 이미지 센서에 결합된 디스플레이 디바이스, 디스플레이 디바이스는 상기 제 1 공간 왜곡과 함께 상기 이미지 센서에 의해 캡처된 이미지를 디스플레이하며, 그리고 상기 디스플레이 디바이스에 정렬되며, 상기 제 1 유형의 공간 왜곡을 보상하는 제 2 유형의 공간 왜곡을 부여하는 접안 렌즈를 포함한다.
Patent KR-20170137778-A (KR)
Title: 로봇 청소 장치 및 로봇 청소 장치의 제어 방법
Inventor: LINDHE MAGNUS
IPC: A47L9/28
Filed: 2015-04-17
Abstract: 본 발명은 로봇 청소 장치 및 로봇 청소 장치의 제어 방법에 관한 것이다. 로봇 청소 장치(10)는 관성 측정부(24) 및 제어기(16)를 포함한다. 관성 측정부(24)는 로봇 청소 장치(10)의 변위를 감지하도록 이루어지고, 제어기(16)는 로봇 청소 장치(10)의 변위의 특성을 결정하고 결정된 변위 특성과 연관된 작동 모드로 로봇 청소 장치(10)를 설정하도록 이루어진다.
Patent KR-20170129934-A (KR)
Title: 모듈형 플러그 커넥터
Inventor: SCHLEGEL BERNARD
IPC: H01R13/518
Filed: 2016-04-18
Abstract: 본 발명은, 금속 하우징(1) 및 이 금속 하우징 내에 수용된 절연 유지 프레임(2)으로 이루어진 모듈형 플러그 커넥터에 관한 것이다.  유지 프레임(2) 내에는, 금속성의 또는 적어도 전기 전도성의 재료로 이루어지고 유지 프레임(2)에 의해서 하우징(1)으로부터 전기적으로 절연된 하나 이상의 플러그 커넥터 모듈(3)이 수용되어 있다.  또한, 플러그 커넥터 모듈(3)에는 접지 수단(4)이 제공되어 있으며, 이 접지 수단은 유지 프레임(2)을 브릿지 연결하여 플러그 커넥터 모듈(3)과 금속 하우징(1) 간에 전기 접촉을 가능하게 한다.  이렇게 함으로써, 다양한 플러그 커넥터 모듈(3)이 유지 프레임(2) 내에서 하우징(1)에 대해 절연된 상태로 유지될 수 있고, 그와 동시에 다른 부재들은 하우징(1)과 전기 접촉된 상태로 유지될 수 있다.
Patent KR-20180026660-A (KR)
Title: 자전 및 회전을 동축으로 출력하는 전달 방법 및 장치
Inventor: QU JINPING
IPC: F16H1/32
Filed: 2015-07-13
Abstract: 본 발명은 자전 및 회전을 동축으로 출력하는 전달 방법 및 장치에 관한 것으로서, 여기서 동력 출력 샤프트의 축선은 동력 입력 샤프트의 크랭크 샤프트 축선과 일치하고, 동력 출력 샤프트는 동력 입력 샤프트의 스핀들 축선을 중심으로 회전하고, 그 회전 속도는 동력 입력 샤프트의 자전 속도와 같으며; 동력 입력 샤프트의 주 동력은, 작은 치차(teeth difference)를 갖는 K-H-V 유성 기어 열에 대한 전이 기어 열의 중첩을 통해, 동력 출력 샤프트를 동력 입력 샤프트와 같은 속도로 역방향 자전시키는 한편; 자전 및 회전을 일으키고 동력 출력 샤프트와 동축인 스러스트 베어링과 동력 입력 샤프트의 스핀들과 동축인 스러스트 베어링은 직렬로 연결되어 축 방향 하중을 지지한다. 자전 및 회전을 동축으로 출력하는 전달장치는 동력 입력 샤프트, 전이 기어 열, 작은 치차를 가진 K-H-V 유성 기어 열, 직렬 스러스트 베어링 세트, 동력 출력 샤프트 및 기타 구성요소들로 주로 구성된다. 이 전달장치는 편심 회전자 체적 맥동 변형 가소화 이송 장치와 결합되어 압출기를 구성할 수 있다.
Patent KR-20170138564-A (KR)
Title: 골프 클럽 헤드를 위한 저부 배면 크라운 질량체
Inventor: STOKKE RYAN M
IPC: A63B53/04
Filed: 2016-05-05
Abstract: 골프 클럽 헤드는 클럽 헤드의 둘레를 형성하는 크라운, 크라운과 대향하는 솔, 힐 단부와 대향하는 토우 단부, 배면 단부, 및 호젤을 갖는 본체를 포함한다.  상기 본체는 클럽 페이스, 외측면, 내측면, 헤드의 무게 중심, 및 크라운의 외측면 또는 내측면 중 하나에 위치되는 웨이트 부재를 더 포함한다.
Patent KR-20180044851-A (KR)
Title: Pzt 강유전체막의 형성 방법
Inventor: TAGASHIRA YUKI
IPC: H01L41/193
Filed: 2016-08-26
Abstract: PZT 강유전체막 형성용 액조성물을 도포하는 공정과, 액조성물을 도포한 막을 건조시키는 공정과, 건조된 막에 산소 함유 분위기하 150 ∼ 200 ℃ 의 온도에서 자외선 조사하는 공정과, 도포 공정과 건조 공정과 자외선 조사 공정을 1 회 또는 2 회 이상 실시한 후, 산소 함유 분위기하 0.5 ℃/초 이상의 속도로 승온하거나, 또는 산소 비함유 분위기하 0.2 ℃/초 이상의 속도로 승온하고, 400 ∼ 500 ℃ 의 온도로 유지함으로써 자외선 조사한 강유전체막 전구체막을 소성하여 결정화시키는 공정을 포함한다.     액조성물의 1 회당 도포량을, 도포 1 회당 강유전체막의 두께가 150 ㎚ 이상이 되도록 설정하고, 자외선 조사할 때에 오존을 공급한다.
Patent KR-20180004817-A (KR)
Title: 삼환형 화합물 및 포스포다이에스터라제 억제제로서 이의 용도
Inventor: CHAPPIE THOMAS ALLEN
IPC: C07D487/14
Filed: 2016-06-09
Abstract: 본 발명은 하기 화학식 I의 화합물 또는 이의 약학적으로 허용되는 염에 관한 것이다: 
[화학식 I] 
   
상기 식에서, 치환기 A, R 1 , R 2 , R 3a , R 3b , R 4a , R 4b  및 n은 본원에 정의된 바와 같다. 
또한, 본 발명은 상기 화합물을 포함하는 약학 조성물, 상기 화합물을 사용하는 치료 방법 및 상기 화합물의 제조 방법에 관한 것이다.
Patent KR-20180020978-A (KR)
Title: 혈관 내 측정을 위한 장치 및 방법
Inventor: SHAM KIN JOE
IPC: A61B5/02
Filed: 2016-06-14
Abstract: 혈관 내 진단 장치 및 방법이 기재된다.  기재된 기술의 일 양태에 있어서, 모니터링 가이드 와이어는 MP35N, L605, 엘질로이, 및 니켈, 코발트, 몰리브덴 및 크롬의 합금 중 하나 또는 그 이상을 갖거나 또는 하나 또는 그 이상으로 제조되는 코어 와이어, 상기 코어 와이어의 원위 영역에 배치되는 센서, 및 상기 코어 와이어와 실질적으로 동일 공간에 있고 또한 상기 코어 와이어를 둘러싸는 하우징을 포함하며, 상기 하우징은 상기 하우징의 적어도 원위 부분에 대해 상기 코어 와이어보다 더 가요성이다.
Patent KR-20180016414-A (KR)
Title: 바이오-재생가능한 공급원료를 열분해함으로써 바이오 탄화수소를 생산하기 위한 방법
Inventor: HAKOLA MAIJA
IPC: C10G3/00
Filed: 2016-05-18
Abstract: 본 발명은, 바이오-재생가능한 공급원료로부터 탄화수소 원료를 제조하는 제조 단계, 이성질체 원료를 제조하는 이성질체화 단계, 및 열 (증기) 분해 단계를 포함하는 바이오탄화수소의 생산 방법에 관한 것이다.     바이오탄화수소는 더 중합되어, 폴리올레핀s, ABS 또는 폴리에틸렌 테레프탈레이트와 같은 바이오-폴리머를 획득한다.
Patent KR-20190082520-A (KR)
Inventor: JANG DAE SIC
IPC: G01M1/30
Filed: 2018-01-02
Abstract: The present invention relates to a balancing apparatus for a shaft and, more specifically, to a balancing apparatus for a shaft which measures vibration of a rotor used in a pump for liquefied gas. The balancing apparatus for a shaft measures vibration generated during rotation for a rotary shaft (10) having a rotor (20) coupled thereto, wherein a length of the remaining portion is longer than a length of a coupled portion to which the rotor (20) is coupled. The balancing apparatus for a shaft comprises: a rotation driving unit (900) to rotate the rotary shaft (10); a first and a second shaft support unit (100, 200) installed on both ends around the rotor (20) to rotatably support the rotor (20); a third shaft support unit (300) to rotatably support an end portion of the rotary shaft (10) opposite to a portion to which the rotor (20) is coupled; a first and a second sensing unit (410, 420) installed on both ends around the rotor (20) to measure at least one among force, vibration, and displacement applied by the rotary shaft (10); a third sensing unit (430) installed on the end portion of the rotary shaft (10) opposite to the portion to which the rotor (20) is coupled to measure at least one among force, vibration, and displacement applied by the rotary shaft (10); and one or more fourth sensing units (440) installed between the second and the third sensing unit (420. 430) to measure at least one among force, vibration, and displacement applied by the rotary shaft (10).
Patent KR-20190084520-A (KR)
Title: High selectivity composition for removing liquid crystal alignment agent
Inventor: HAN HEE
IPC: G02F1/1337
Filed: 2018-01-08
Abstract: The present invention relates to a liquid crystal alignment film removing composition and, more specifically, to a liquid crystal alignment film removing composition which effectively removes impurities and a defective photo-alignment film generated during UV alignment in a manufacturing process of the liquid crystal alignment film from a substrate surface in a short time by using a removing composition comprising a specific solvent such as aminoethylpiperazine, and can be used as a photo-alignment film re-work composition.
Patent KR-20190090102-A (KR)
Title: Display device
Inventor: KIM MYUNGCHUL
IPC: G02F1/133
Filed: 2018-01-22
Abstract: A display device according to one embodiment includes a base substrate, a plurality of pixels disposed on the base substrate, a plurality of panel pad rows spaced apart from the pixels in a first direction. Each of the panel pad rows includes a display panel including a plurality of panel pads arranged in a second direction perpendicular to the first direction; a connection circuit board disposed on the display panel and connected to the panel pads, and a connection member disposed between the display panel and the connection circuit board to electrically connect the display panel and the connection circuit board. The shortest separation distance between the edge of the base substrate and the panel pads adjacent thereto is optimized to improve adhesive properties and electrical connection reliability between the panel pads and the connection circuit board.
Patent KR-20200067237-A (KR)
Title: Wobble type exercise machine
Inventor: NAKANO TOSHIO
IPC: A61H1/00
Filed: 2018-01-24
Abstract: A wobble type exercise apparatus (1) of the present invention comprises: a seat (11); an actuator wobbling the seat (11); a first measurement unit (41) measuring a partial load applied to a target portion of a user; and a second measurement unit measuring the entire load applied to the entire body of the user. According to training using the wobble type exercise apparatus (1), the lower the entire load applied to the entire body of the user, the easier the user continues the training, and the higher the partial load applied to the target portion of the user, the higher the training effect. Due to a configuration considering such a point, the wobble type exercise apparatus contributes to training applying a high load to the target portion while alleviating user′s burden.
Patent KR-20190090279-A (KR)
Title: The integrated service system which provides a real estate information/enterprise(individual) information based on a search for a possessor
Inventor: CHO YOUN WON
IPC: G06Q50/26
Filed: 2018-01-24
Abstract: The present invention relates to a real estate information/company (individual) information integrated service system based on a possessor for search, which is capable of collectively using/checking credit information. The real estate information/company (individual) information integrated service system comprises: a real estate information collecting module for collecting real estate information and possessor identification information associated with the real estate information (PIO-R); a PIO-R/possessor identification information associated with credit information (PIO-C) matching processing module for extracting credit information; a PIO-based real estate information/company (individual) information processing module; and a possessor-based integrated information provision service processing module.
Patent KR-20180092865-A (KR)
Title: A connecting device for coupling a tubular member to a threaded tubular port, in particular for washing machines
Inventor: JACEK SADWON
IPC: D06F39/08
Filed: 2018-02-07
Abstract: An object of the present invention is to provide an improved connection device facilitating and expediting a highly reliable connection between a tubular member and a threaded tubular port. A connection device (1) is for connection between a tubular member (2) and a threaded tubular port (9), particularly an outlet port of a water supply line or tap (10). The tubular member (2) has an external shoulder or flange (2a), particularly an inlet tube of a water supply electric control valve (WSV) for a washing machine, on one end portion. The present invention includes a nut (11) having a first threaded end part (11a) adapted for threading with the port (9) and a second end part (11b) adapted for receiving the end of the tubular member (2) and a coupling ring (12) interposed between the second end part (11b) of the nut (11) and the tubular member (2) and adapted for connection therebetween. The coupling ring (12) is elastically deformable in a radial direction and is prevented from being removed from the tubular member (2) by the end shoulder or flange (2a), but is adapted to be mounted on the circumference of the tubular member (2) close to the end shoulder or flange (2a) of the tubular member so as to be rotatable around the circumference of the tubular member (2). The coupling ring (12) and the second end part (11b) of the nut (11) are threaded so that the nut (11) can be screwed to the coupling ring (2) after the coupling ring is mounted on the tubular member (2) and before the nut (11) is screwed to the tubular port (9). The nut (11) and the coupling ring (12) are provided with respective first and second engaging means (16; 18) so that unscrewing of the nut (11) and the coupling ring (12) from each other is prevented.
Patent KR-20180092885-A (KR)
Title: Novel compound and organic light emitting device comprising the same
Inventor: YOON HONG SIK
IPC: H01L51/50
Filed: 2018-02-08
Abstract: Provided are a novel compound and an organic light emitting device comprising the same. The compound is represented by chemical formula 1. The compound represented by the chemical formula 1 can be used as a material of an organic material layer of an organic light emitting device, and can improve efficiency, driving voltage and/or lifetime characteristic in the organic light emitting device.
Patent KR-20190099855-A (KR)
Inventor: LIM SI KEUN
IPC: G16B50/00
Filed: 2018-02-20
Abstract: The present invention relates to a seal appraisal system using DNA and a method thereof which mix DNA in stamping ink (or ink) to allow individuals to possess different stamping ink, and specify and tract stamping ink (or ink) of individuals to increase the accuracy of seal appraisal when appraising a seal. The seal appraisal system using DNA comprises: a database to store and manage DNA information mixed with owner information of stamping ink or ink; a seal analysis unit linked to the database to estimate a user and DNA mixed in stamping ink or ink included in a seal; a seal amplifying unit to use specific primer of DNA estimated by the seal analysis unit to amplify DNA mixed in stamping ink or ink; a sequence analysis unit to perform sequence analysis of DNA amplified by the seal amplifying unit to provide a sequence analysis result as owner tracking information of a seal; and an owner checking unit linked to the database to track a user of stamping ink or ink used in a seal based on sequence analysis result information provided by the sequence analysis unit and DNA amplified by the seal amplifying unit.
Patent KR-20180108430-A (KR)
Inventor: CHO SEONG JAE
IPC: G01N33/543
Filed: 2018-02-21
Abstract: The present invention relates to an insulin detection sensor based on a nanowire field-effect transistor, which is recyclable, harmless to human body, has high reliability and sensitivity, can be implemented with semiconductor technology, and the possibility of commercialization becomes large to be effective to contribute to the promotion of human health and welfare. In addition, since no gate is required, only the arrangement of the nanowires enables a sensor having two-dimensionally or three-dimensionally arranged multiple channels as well as a single channel to be implemented.
Patent KR-20190103646-A (KR)
Inventor: KIM SANG WON
IPC: F24B5/02
Filed: 2018-02-28
Abstract: The present invention provides a fireplace for wood without power, which enables rapid heating and has excellent heating performance in comparison with volume. According to the present invention, the fireplace for wood without power comprises: a fireplace body (200); a grate (100) installed by being hung on a support plate (211) horizontally installed in the lower part of a combustion chamber (210) of the fireplace body (200) and providing an updraft of combustion air from the lower part to the upper part in combustion and a discharge path for ash combusted by the combustion chamber; and a flame spread pipe (300) spreading flame by inducing outer air from a vertical member (320) and spouting the inducted outer air to nozzle holes (311) and inducing secondary combustion. The fireplace body (200) includes: a door (230) opened and closed in front of the combustion chamber, wherein the door (230) includes a sight glass; an ash receiver (220) receiving the ash in the lower part of the combustion chamber (210) and collecting the ash; and a stovepipe (240) connected to the upper part of the combustion chamber (210) and discharging the exhaust gas. The flame spread pipe (300) includes: a horizontal member (310) horizontally installed in the upper part of the combustion chamber (210), wherein multiple nozzle holes (311) are bored on the horizontal member (310); and a vertical member (320) connected to both ends of the horizontal member (310) so that air flows inside, wherein an end of the vertical member (320) is exposed to the outside of the bottom of the fireplace body (200).
Patent KR-20190105412-A (KR)
Title: Nematocidal Compounds Derived from Xenorhabdus nematophila and Separating Method Thereof
Inventor: KOO KYUNG BON
IPC: G01N30/88
Filed: 2018-03-05
Abstract: The present invention relates to a compound having nematicidal activity derived from Xenorhabdus nematophilla and a separating method thereof and, more specifically, to a compound having nematicidal ability separated from culture media of a symbiotic bacterium isolated from an insect pathogenic nematode and to a separating method thereof. The compound having nematicidal activity derived from Xenorhabdus nematophilla has excellent nematode ability, and effectively controls nematodes in an environmentally friendly manner.
Patent KR-20190105744-A (KR)
Title: System and method for realtime emergency services, and storage medium recording program for implementing method thereof
Inventor: LEE HO SIN
IPC: G08B3/10
Filed: 2018-03-06
Abstract: The present invention relates to a real-time emergency aid system, to a method thereof, and to a storage medium recording program for executing the method. In particular, after recognizing a danger situation of a service user through a portable terminal possessed by the service user and generating a danger notification signal, the system receives GPS information, the number of the portable terminal, and CCTV location information through the interface of the set format, displays the CCTV camera of the CCTV location information received by the coordinates indicated by the GPS information on the screen of a control center server, and operates an alarm means attached to the CCTV camera.
Patent KR-20190105770-A (KR)
Title: Composition for semiconductor process and semiconductor process
Inventor: KIM BYOUNGSOO
IPC: H01L21/324
Filed: 2018-03-06
Abstract: The present invention relates to a composition for a semiconductor process, which comprises: a first component including an inorganic acid or an organic acid; and a second component including a silicone compound represented by chemical formula 1, and provides a wafer showing excellent surface properties, and to a semiconductor process which comprises the steps of: selectively washing organic or inorganic materials using the same; or removing the same.
Patent KR-20180106923-A (KR)
Inventor: MAETANI FUMIHIKO
IPC: H02J7/00
Filed: 2018-03-14
Abstract: A charging and discharging control circuit includes a first power supply terminal connected to a first electrode of a secondary battery, a second power supply terminal connected to a second electrode of the secondary battery, a charging control terminal connected to a gate terminal of a discharging control switch and a gate terminal of a charging control switch, a detection terminal, a control circuit, and an output circuit for outputting a charging control signal from the charging control terminal. The output circuit outputs a first voltage if the control circuit allows charging in a case where a charger is connected between a charging terminal and a charging and discharging terminal, outputs a voltage of the detection terminal which is different from the first voltage if the control circuit prohibits the charging in a case where the charger is connected, and outputs a voltage of the second power supply terminal which is different from the first voltage if the charger is not connected. Accordingly, the present invention can properly control the charging and discharging while suppressing heating in a charging process.
Patent KR-20190115814-A (KR)
Title: composite beam assembly for field installation
Inventor: KIM HYOUNG SEOP
IPC: E04C3/293
Filed: 2018-04-04
Abstract: The present invention relates to a composite beam which can be easily installed at a site by providing a structure where a stud bolt for shear connection couples a previously installed auxiliary flange to a composite beam. The assemblable composite beam comprises: a first web plate including an upper flange horizontally bent outwards from an upper end thereof and a lower flange horizontally bent inwards from a lower end thereof, and forming one side plate of the composite beam; a second web plate having a shape symmetric to the first web plate, and forming another side plate of the composite beam; a lower plate coupled to the lower flange of the first web plate and the lower flange of the second web plate to form a bottom of the composite beam; a first auxiliary flange coupled into an upper end of the first web plate; and a second auxiliary flange having a shape symmetric to the first auxiliary flange to be coupled into an upper end of the second web plate.
Patent KR-20190117266-A (KR)
Inventor: JUN HEY JUNG
IPC: G06Q40/02
Filed: 2018-04-06
Abstract: Disclosed are a virtual account donation system using a class number, a server thereof and a method thereof. A bank server includes: a donation request receiving part for receiving donation request information including virtual account information and donation amount information corresponding to a class number; a virtual account matching part for determining whether a real account matching the virtual account information included in the donation request receiving part exists; and a donation request processing part for transferring the donation amount to the real account when the real account matching the virtual account information exists. According to the server and the method, a donor can easily donate without collecting special information for donation, can memorize a donation account for a long time and can be easily identified.
Patent KR-20180042182-A (KR)
Inventor: CHAE KYU MIN
IPC: H04N5/225
Filed: 2018-04-09
Abstract: An optical system for a camera of the present invention comprises: a first lens having a positive refractive power, and having a convex object side surface and a concave upper side surface; a second lens having a negative refractive power; a third lens having the positive refractive power and having both convex sides thereof; a fourth lens having the positive refractive power; and a fifth lens having the negative refractive power and formed with at least one inflection point on an upper side surface thereof. The present invention satisfies following conditional equation 1, f3/f < 2.0, wherein f3 in the conditional equation 1 is a focal length of the third lens, and f is a focal length of the entire of the optical system.
Patent KR-20190121957-A (KR)
Title: Ring for strengthening of sexual function
Inventor: CHOI YOUNG SIK
IPC: A61F5/41
Filed: 2018-04-19
Abstract: The present invention relates to a sexual function enhancing ring, capable of delaying an ejaculation, which comprises: semi-circular bodies (10, 11) having one side hinged by a hinge part (13) and the other side horizontally opened and closed with respect to the hinge part (13); and a locking device (5) controlling fastening and unfastening of an opening/closing end.
Patent KR-20190134382-A (KR)
Title: Massage device with adjustable angle of shoulder massage part
Inventor: KIM HOSOO
IPC: A61H15/00
Filed: 2018-05-25
Abstract: The present invention provides a massage device capable of adjusting an angle of a shoulder massage unit in accordance with a body shape of a user. The massage device comprises: an arm massage unit capable of accommodating an arm part of a user; a shoulder massage unit arranged on one side of the arm massage unit and massaging the arm part; and a shoulder angle adjusting unit arranged between the arm massage unit and the shoulder massage unit and adjusting movements of the shoulder massage unit.