baber/WOPTO huggingface dataset:
Patent KR-20170102347-A (KR)
Title: 조면의 마찰저항 예측방법 및 표면성능 평가장치
Inventor: MIENO HIROHISA
IPC: G01N19/02
Filed: 2016-01-29
Abstract: 본 발명은 간편하고 개인차가 없으며, 게다가 신속하게 평가결과가 얻어지는 조도 표면의 마찰저항 증가율의 예측방법을 제공하는 것을 과제로 한다.  
상기 과제를 해결하기 위해, 본 발명의 조면의 마찰저항 예측방법은 유속이 다른 유체와 접하는 조도 파장이 다른 조면에 대해서 점성저층 두께로부터 노출된 단위 면적당 총 노출 조도 투영면적 A(이하, 「노출 조도 투영면적 A」라 함)를 평가하여, 하기 식(1)에 의해 마찰저항 증가율 FIR(%) 또는 하기 식(2)에 의해 마찰저항 증가 △τ를 산출하는 것을 특징으로 한다.  
   
   
(식(1) 중 계수 C는 노출 조도 투영면적 A에 의존하는 상수로, 사전에 조도가 다른 복수의 조면에 대해서 유속 V를 변경하여 마찰저항 시험을 행하고, 마찰저항 증가율 FIR(%)을 측정하여 구한 것이다. 또한 마찰저항 증가율 FIR(%)은 조면의 마찰저항 τ r 과 활면의 마찰저항 τ 0 의 차 τ r －τ 0 를 τ 0 로 나눈 백분율이다.  
식(2) 중 계수 C r 은 유체밀도 ρ, 노출 조도 투영면적 A, 유속 V에 의존하는 상수로, 사전에 조도가 다른 복수의 조면에 대해서 유속 V를 변경하여 마찰저항 시험을 행하고, 마찰저항 증가 △τ를 측정하여 식(2)의 관계로부터 구한 것이다. 또한 마찰저항 증가 △τ는 조면의 마찰저항 τ r 과 활면의 마찰저항 τ 0 의 차 τ r －τ 0 이다.)
Patent KR-20170105073-A (KR)
Title: 칩을 끌어가기 위한 수송 디바이스를 구비하는 공작 기계
Inventor: KOECHL ROLAND
IPC: B65G33/26
Filed: 2016-01-15
Abstract: 본 발명은 도구를 통해 공작 기계(100)의 작업 공간 내에 클램핑된 작업물을 가공하기 위한 공작 기계(100)에 관한 것이다. 공작 기계(100)는 작업물의 가공 중에 떨어지는 칩들을 수집하도록 작업 공간 측에 개방된 적어도 하나의 수송 채널(131)을 구비하는 칩 수집 영역(130)을 구비하는 머신 베드(110) 및 적어도 하나의 수송 채널(131) 내에서 칩 수집 영역(130) 상으로 떨어진 칩들을 끌어가기 위한 수송 디바이스를 포함한다. 수송 디바이스는 수송 채널의 길이방향으로 적어도 하나의 수송 채널(131) 내에서 연장하는 고정 지지 샤프트(142)를 구비하고, 나선형 요소(143)는 고정 지지 샤프트(142) 상에서 회전 가능하게 고정되며, 수송 디바이스는 고정 지지 샤프트(142) 둘레의 나선형 요소(143)의 회전 동작을 구동하기 위한 드라이브(141)를 포함한다.
Patent KR-20170118098-A (KR)
Title: 단일 부대역 사용자 장비를 갖는 무선 통신 시스템
Inventor: BLANKENSHIP YUFEI
IPC: H04W72/04
Filed: 2016-02-01
Abstract: 무선 네트워크 노드(120)는 다중 부대역을 포함하는 시스템 대역폭 내에서 작동하고, 임의의 주어진 서브프레임 동안 단 하나의 부대역에서 작동하도록 제한된 사용자 장비(110)를 서비스하도록 구성된다. 무선 네트워크 노드(120)는 구성 정보를 생성하고, 사용자 장비(110)에 그 구성 정보를 전송하도록 구성된다. 일부 실시 예에서, 구성 정보는 서브프레임 동안 사용자 장비(110)가 작동할 단일 부대역의 시스템 대역폭 내 위치를 지시한다. 선택적으로 또는 부가적으로, 구성 정보는 사용자 장비(110)가 채널 상태 정보를 무선 네트워크 노드(120)에 피드백하는 모드를 지시한다. 지시된 모드에 따라, CQI가 보고되는 서브프레임에서, 사용자 장비(110)는 사용자 장비(110)가 그 서브프레임에서 작동하도록 구성된 부대역에서의 전송을 가정하여 산출된 하나의 광대역 CQI 값을 보고해야 한다.
Patent KR-20170104653-A (KR)
Title: 관심 지점에 따라 이미지 잘라내기
Inventor: CHEDEAU CHRISTOPHER SERGE BENJAMIN
IPC: G06Q50/00
Filed: 2014-03-11
Abstract: 일실시예로, 컴퓨팅 장치는 이미지에서 하나 이상의 관심 지점을 결정한다. 컴퓨팅 장치는 기결정된 수의 관심 지점을 포함하는 뷰포트 위치를 선택한다. 컴퓨팅 장치는 뷰포트 위치에 적어도 부분적으로 기초하여 이미지를 잘라낸다.
Patent KR-20170130431-A (KR)
Title: 반송파 집성 트랜시버를 위한 신호 정정
Inventor: WEISSMAN HAIM MENDEL
IPC: H04B1/04
Filed: 2016-03-09
Abstract: 반송파 집성을 지원하는 무선 디바이스의 트랜시버는 제 1 송신된 통신 신호와 연관된 상호 변조 왜곡을 감쇠시키기 위한 정정 신호를 생성하는 정정 모듈을 포함할 수 있다.  일 실시예에서, 정정 신호는 제 2 송신된 통신 신호(공격 신호)에 의해 야기되는 상호 변조 왜곡을 감소시키기 위해 제 1 송신 통신 신호(희생 신호)에 가산될 수 있다.  정정 신호는 공격 신호에 기초하여 생성될 수 있다.  다른 실시예에서, 정정 신호는 제 1 송신 통신 신호를 등화하거나 사전 왜곡시킬 수 있다.
Patent KR-20170137770-A (KR)
Title: 파워 시트 조작 장치 및 파워 시트
Inventor: NAKAMURA TAKESHI
IPC: H01H19/20
Filed: 2016-03-30
Abstract: 복수의 회전 위치로 회전 조작 가능한 다이얼이, 회전 조작의 도중 위치에서 정지한 채로 있는 것을 방지한다. 본 파워 시트 조작 장치에서는, 다이얼 베이스(32)에는, 반경 방향의 요철을 이루는 곡부(54A, 54B, 54C)와 산부(56A, 56B)가 다이얼(58)의 회전 방향으로 교대로 늘어선 캠부(52)가 형성되어 있다. 또, 다이얼(58)에는, 슬라이더(78)가 반경 방향으로 슬라이드 가능하게 지지되어 있다. 이 슬라이더(78)는, 롤러 스프링(88)의 부세력에 의해서 캠부(52)와 당접되고, 곡부(54A, 54B, 54C) 중 하나에 꼭 끼임에 따라, 다이얼(58)를 하나의 회전 위치로 유지한다. 또, 이 슬라이더(78)는, 다이얼(58)의 회전 조작 시에는, 롤러 스프링(88)를 탄성변형 시켜 다이얼(58)에 대해 슬라이드 하면서 산부(56A, 56B) 중 적어도 일방을 넘는다.
Patent KR-20170129220-A (KR)
Title: 피부 결점의 출현을 감소시키기 위한 광학-활성화 시스템
Inventor: SOJKA MILAN FRANZ
IPC: A61K8/67
Filed: 2016-03-17
Abstract: 눈 밑 다크 서클의 출현을 감소시키기 위한 광학-활성화 시스템 및 방법이 제공된다.  시스템은 형광 화합물 및 공유 결합, 수소 결합, 반 데르 발스 힘, 또는 그의 조합에 의해 서로에게 부착된 형광 화합물에 대한 기재의 복합체를 포함한다.  주위 광의 흡수 후에, 복합체 내의 형광 화합물은 더 긴 파장의 가시 광선을 재-방출한다.  재-방출된 광은 조명 방사 효과를 제공하고, 피부 결점의 외관을 개선시키는 데에 특히 유용하다.
Patent KR-20170134730-A (KR)
Title: 제거 가능한 레이저 라인 생성기 툴을 갖는 파이프 가공 장치
Inventor: COAKLEY ROY C
IPC: B23B3/26
Filed: 2016-03-02
Abstract: 일 양태에 따른 파이프 가공 장치는, 파이프 상에 장착 가능한 프레임(28); 이 프레임(28)에 결합되고 프레임(28)에 대해 이동 가능한 툴 캐리어(32); 이 툴 캐리어(32)에 결합되고, 프레임(28)에 대해 툴 캐리어(32)와 함께 이동 가능한 툴 지지체(48); 이 툴 지지체(48) 상에 장착되고 툴 지지체(48)와 함께 이동 가능한 레이저 라인 생성기 툴(300)을 포함한다.  레이저 라인 생성기 툴(300)은 파이프 둘레의 적정 커팅 라인을 나타내는 파이프 상의 마크(들)와 정렬되도록 파이프 상에 레이저 광을 이미징하는 데에 이용된다.  그 장치는, 작업자가 커팅 작업 전에 그 장치를 파이프 상에 적절히 위치 설정할 수 있게 위해 파이프에 대해 위치 재설정될 수 있다.
Patent KR-20170138554-A (KR)
Title: 배수 안티 사이펀 장치 및 그 장치가 장착된 세탁기
Inventor: XU SHENG
IPC: D06F39/08
Filed: 2016-04-15
Abstract: 배수 안티 사이펀 장치 및 해당 장치가 장착된 세탁기에 관한 것이다. 배수 안티 사이펀 장치(8)에는 출수관 및 기체관(17)이 포함되되, 출수관은 상호 연결된 제1 수관(16) 및 제2 수관(15)을 포함하고, 제2 수관(15)의 적어도 일부분의 관경이 제1 수관(16)의 관경보다 크며, 기체관(17)의 일단이 제2 수관(15)과 연통되고, 기체관(17)과 제2 수관(15) 사이의 연통부는 제2 수관(15)의 지름면에 위치함으로써, 기체관(17) 및 출수관의 다중 직경 구조를 이용하여 사이펀 작용에 의한 역류를 방지하며, 해당 구성은 기체관(17)의 수압을 작게 하여, 배수 시에 수압으로 인해 오수가 기체관(17)을 통해 세탁 외통(2) 내에 다시 유입되는 것을 효과적으로 방지한다. 배수 안티 사이펀 장치(8)가 장착된 세탁기는 배수 호스(5)에 배수 안티 사이펀 장치(8)를 장착하고 그 기체관(17)을 세탁기 외통(2)에 연결시켜, 세탁기의 배수가 완료되고 배수 펌프의 동작이 정지된 후 세탁기 밖의 배수 호수(5)의 말단이 물에 잠기더라도, 사이펀 작용에 의해 역류가 발생될 경우 외통(2)의 공기가 배수 안티 사이펀 장치(8)에 유입될 수 있으므로, 사이펀 작용이 비활성화되어, 물이 역류하여 외통(2)에 유입되는 것을 방지한다.
Patent KR-20180004262-A (KR)
Title: 강판 및 제조 방법
Inventor: HIKIDA KAZUO
IPC: C21D8/02
Filed: 2016-06-17
Abstract: 성형성과 내마모성을 향상시킨 강판이며, 소정의 성분 조성을 갖고, 강판의 금속 조직이, 페라이트 입자 내의 탄화물의 개수에 대한 페라이트 입계의 탄화물의 개수의 비율이 1초과 및 페라이트 입경이 5㎛ 이상 50㎛ 이하를 만족시키고, 강판의 비커스 경도가 100HV 이상 170HV 이하인 것을 특징으로 한다.
Patent KR-20190082577-A (KR)
Inventor: SUNG YOUNG KEW
IPC: B61D15/00
Filed: 2018-01-02
Abstract: The present invention relates to a transfer bogie for a pipe, comprising: a frame capable of moving along a rail; a base capable of moving in a vertical direction by means of a first cylinder of the frame; a bath capable of moving in a horizontal direction perpendicular to the rail on the base; and a position control unit controlling a moving direction of the bath on the base. The present invention arranges a second cylinder operated vertically downwards at a lower portion of the base, thereby being possible to prevent rollover of the transfer bogie during displacement of the pipe.
Patent KR-20180081005-A (KR)
Inventor: LEE SOON CHANG
IPC: C09K11/06
Filed: 2018-01-05
Abstract: The present invention relates to an organic electroluminescent device. More particularly, the present invention relates to an organic electroluminescent device comprising a novel pyrene organic compound and an anthracene organic compound in at least one organic layer contained in an organic electroluminescent device. The present invention can provide an organic electroluminescent device including an organic compound which realizes a more intense blue color and can increase efficiency and lifetime of the device.
Patent KR-20190084440-A (KR)
Title: Flange type heating unit
Inventor: AN SOOK HEE
IPC: H05B3/06
Filed: 2018-01-08
Abstract: The present invention relates to a flange type heating unit sealing heater in a flange coupled to a tank to maintain sealing. According to the present invention, the flange type heating unit comprises: a U-shaped heater including a heating body, an insulating body, and an electric wire; a cylindrical flange having a through-hole formed on a cylindrical shape to insert both end parts of the heater thereinto, and having first and second threads formed with an extension piece which is interposed therebetween and is formed on an outer circumferential surface; a sealing ring assembled in the through-hole of the cylindrical flange to seal the outer circumferential surface of the heater; a finishing cap coupled to one side surface of the cylindrical flange with a fixing screw and having a through-hole inserting both the end parts of the heater thereinto; and a cover having a female screw coupled to the second thread formed on the cylindrical flange and having a through-hole for exposing the electric wire of the heater.
Patent KR-20190045806-A (KR)
Inventor: YAUNG YUN WOOUN
IPC: A01G17/14
Filed: 2018-01-11
Abstract: The present invention relates to a tree support, which stably supports trees including a landscape tree such as a street tree or an orchard tree to allow the same to be stably survived even from external shock such as strong wind, and can easily handle the same during a transfer process. The tree support of the present invention comprises: a plurality of arc-shaped plates (100) formed in an arc shape to be closely attached to an outer circumferential surface of a tree (1); a length-adjustable support leg (200) having one side coupled to an outer surface of the arc-shaped plates (100) and the other side installed to be supported by the ground, and having a luminous film (210) attached to one side thereof; and a fixing band (300) for surrounding the arc-shaped plates (100) located on the outer circumferential surface of the tree (1), and formed with a fastening means (310) at both ends to closely attach the arc-shaped plates (100) to the tree (1).
Patent KR-20190092866-A (KR)
Title: User device, media play device, and server for measuring audience rating
Inventor: LEE KWAN YEOL
IPC: H04H60/66
Filed: 2018-01-31
Abstract: A user terminal which surveys an audience rating in conjunction with a media play device includes: a reception part receiving a recognition request message from an audience rating survey server when the audience rating survey server receives status information and audience information from the media play device; a recognition part performing a recognition process for a unique identifier of the media play device through a recognition sound source played in the media play device based on the received recognition request message; a check-in/out management part generating check-in information for the user terminal when the recognition of the unique identifier of the media player is completed, and generating check-out information for the user terminal when the re-recognition of the unique identifier of the media player fails after the recognition of the unique identifier of the media player is completed; and a transmission part transmitting the check-in information or the check-out information to the audience survey server. It is possible to measure broadcast programs and VOD content through the real-time channel of an IPTV.
Patent KR-20190106026-A (KR)
Title: Indoor unit of air conditioner
Inventor: BORA KWON
IPC: F24F1/00
Filed: 2018-03-07
Abstract: The present invention relates to an indoor unit. The indoor unit comprises: a case having a suction port and a discharge port formed on a bottom surface thereof; a suction grill disposed in the case, covering the suction port, and detachable in a vertical direction from the case; an elevator disposed at the case side, connected to the suction grill via a wire, and moving the suction grill in a vertical direction by unwinding or winding the wire; a first length adjusting link disposed at one side of the case and the suction grill, having an upper end assembled at the case side and a lower end assembled at the suction grill, and guiding the vertical movement of the suction grill during operation of the elevator; and a second length adjusting link disposed on the other side of the case and the suction grill, having an upper end assembled on the case side and a lower end assembled on the suction grill, and guiding the vertical movement of the suction grill during operation of the elevator. The present invention can stably raise or lower the suction grill through the length adjusting link connecting the case and the suction grill when the suction grill is moved up and down by the elevator.
Patent KR-20190107501-A (KR)
Title: Apparatus and control method for playing multimedia contents
Inventor: JEONG HYE MI
IPC: H04N21/472
Filed: 2018-03-12
Abstract: The present invention relates to a device for processing multimedia content, which is capable of satisfying needs of various viewers; and a control method thereof. According to the present invention, the control method comprises the following steps: controlling predetermined multimedia content to be played; receiving a time shifting request including expansion target information from a viewer who views the predetermined multimedia content; determining a predetermined object included in the multimedia content as an object to be expanded based on the expansion target information included in the time shifting request; and setting an expansion region based on the object to be expanded determined in the previous step, and playing the predetermined multimedia content from a predetermined past time in accordance with the time shifting request wherein an image displayed in the expansion region is displayed in a more expanded size than that of an image displayed in other regions during corresponding playback.
Patent KR-20190107946-A (KR)
Title: System for observing conformational change of protein
Inventor: MINAH SEO
IPC: G01N21/3586
Filed: 2018-03-13
Abstract: The present invention relates to a system for observing a conformational change of a protein structure comprising: a sensing element for amplifying an electromagnetic wave of a specific frequency; a light irradiation part for irradiating light to a solution of a photoreceptor protein coated on the sensing element; an electromagnetic wave irradiation part for injecting an electromagnetic wave in a vertical direction to a bottom surface of the sensing element; a detection part for detecting electromagnetic wave reflected from the bottom surface of the sensing element; and a control part for observing a conformational change of the photoreceptor protein on the basis of the detected electromagnetic wave.
Patent KR-20190108436-A (KR)
Title: An Information Providing Method for Predicting Recurrence of Epstein-Barr virus-associated Gastric Cancer
Inventor: KANG BYUNG WOOG
IPC: G01N33/574
Filed: 2018-03-14
Abstract: The present invention relates to an information providing method for predicting the recurrence of EBV-associated gastric cancer. The information providing method accurately predicts the recurrence of EBV-associated gastric cancer in patients, and can be favorably used to provide personalized medicine that enables more effective patient management.
Patent KR-20180106938-A (KR)
Inventor: HATAKEYAMA JUN
IPC: G03F7/038
Filed: 2018-03-15
Abstract: Provided is a resist material ensuring high sensitivity and low LWR regarding negative resist materials and positive resist materials. Moreover, provided is a pattern formation method using the same. To this end, the resist material comprises: a base polymer; and a sulfonium salt represented by chemical formula A-1 and an iodonium salt represented by chemical formula A-2.
Patent KR-20190112241-A (KR)
Title: Flooring sheet
Inventor: KANG BONG SEOK
IPC: B32B9/02
Filed: 2018-03-23
Abstract: The present invention relates to a flooring material and, more specifically, to a flooring material capable of improving durability, soundproofing, and insulation property. The present invention relates to the flooring material comprising: a surface protection layer (100) in which aluminum oxide (Al_2O_3) is dispersed; a patterned sheet (200) on which a pattern is formed; a high pressure melamine sheet (HPM) (300); a physical property reinforcing layer (400); a methylene diphenyl diisocyanate (MDI) layer (500) for waterproofing; and a cork layer (600) for reducing noise.
Patent KR-20190047579-A (KR)
Inventor: LIM DONG JU
IPC: B64C1/36
Filed: 2018-03-27
Abstract: Provided is at least one aerial target simulating method for a flight virtual target generating system. At least one aerial target simulating method for a flight virtual target generating system comprises: an operation (A) in which a flight and target simulating controller creates a target scenario for at least one aerial target simulation, creates a flight path of at least one unmanned aerial vehicle with reference to the created target scenario, and manages the flight of the unmanned aerial vehicle according to the created flight path; an operation (B) in which the unmanned aerial vehicle performs unmanned flight under the control of the flight and target simulating controller; an operation (C) in which a receiving antenna mounted on the unmanned aerial vehicle receives a radar signal emitted from a radar and outputs the signal to a beacon system; an operation (D) in which the beacon system mounted on the unmanned aerial vehicle generates a simulated target signal by varying the radar signal input according to the target scenario; and an operation (E) in which a transmitting antenna mounted on the unmanned aerial vehicle transmits the simulated target signal, generated in operation (D), to the radar. Thus, a performance test on the radar can be accurately performed.
Patent KR-20190118835-A (KR)
Title: Amplified double-stranded DNA detection method and apparatus using the same
Inventor: YANG HAE SIK
IPC: G01N27/327
Filed: 2018-04-11
Abstract: The present invention relates to a DNA detection method capable of simultaneously or sequentially performing an isothermal amplification reaction and amplified DNA detection in one chamber. According to the present invention, the DNA detection method simultaneously or sequentially performs, in one chamber, a step of isothermally amplifying double-stranded DNA and a step of detecting the amplified double-stranded DNA. The step of isothermally amplifying the double-stranded DNA is an amplification reaction by forward or reverse primers wherein an end of the forward primer is labeled with a material friendly with a forward primer combination layer coated on an electrode. The step of detecting the amplified double-stranded DNA comprises a step (a) of generating a combined matter by combination between the amplified double-stranded DNA and a protein specifically combined with the amplified double-stranded DNA and a step (b) of moving an electron to the electrode by an oxidation-reduction reaction between an oxidation-reduction marker attached to the combined matter and an electron mediator, and detecting DNA based on an electron transfer speed difference of the electron mediator, wherein the detection does not separately require a denaturation step of the amplified double-stranded DNA.
Patent KR-20190118854-A (KR)
Title: Engine heat exchanger with thermoelectric generation
Inventor: PARK SANG SEON
IPC: B64D33/08
Filed: 2018-04-11
Abstract: A driving body has a main body and a supply source of a propellant. An engine is transported by the main body. The engine reacts to the propellant so as to generate thrust. The engine has a heat exchanger transferring heat to at least one component of the propellant from reaction and generating electricity in a thermoelectric manner.
Patent KR-20190120599-A (KR)
Title: Solar cell module
Inventor: DONGHAE OH
IPC: H01L31/02
Filed: 2018-04-16
Abstract: According to one embodiment of the present invention, a photovoltaic module in which part of a string may be easily connected to part of an adjacent string comprises: a string in which a plurality of fragment cells are connected to have an overlapping unit; and a hidden tab including a first portion disposed in the overlapping unit and a second portion exposed out of the overlapping unit in the first portion.
Patent KR-20180049818-A (KR)
Inventor: CHO GYE HYUN
IPC: G05F1/10
Filed: 2018-04-23
Abstract: A control device for controlling a switching operation of a power switch without being affected by noise comprises: a reference signal generating unit for comparing a detection voltage corresponding to an input terminal voltage of a power switch with a predetermined threshold voltage to detect a blocking period according to a comparison result, detecting one point of the blocking period as a zero crossing point, generating a reference signal synchronized with the zero crossing point, and compensating the reference signal with a first voltage higher than a zero voltage during the blocking period; and a PWM control unit for comparing a sense current corresponding to a current flowing through the power switch with the compensated reference signal to control the power switch to remain in a turn-on state during the blocking period.
Patent KR-20180122562-A (KR)
Inventor: SUKHYON YOON
IPC: H04W74/08
Filed: 2018-05-03
Abstract: The present invention provides a method for transmitting a random access channel (RACH). Especially, the method comprises the steps of: receiving information indicating subcarrier spacing for a physical random access channel (PRACH) and PRACH configuration information including information on a slot (RACH slot) available for RACH transmission; and transmitting an RACH preamble within the RACH slot based on the PRACH configuration information and the subcarrier spacing. The length of the RACH slot can be dependent on the subcarrier spacing.
Patent KR-20190128913-A (KR)
Title: Battery control apparatus, and energy storage system including the same
Inventor: PARK MI SO
IPC: H01M10/42
Filed: 2018-05-09
Abstract: Disclosed are a battery control apparatus and an energy storage system including the same. According to one embodiment of the present invention, the battery control apparatus is connected to a power conversion system through first and second terminals. The battery control apparatus comprises: a first battery pack; a second battery pack; a first switch connected in series with the first battery pack between the first and second terminals; a second switch connected in series with the second battery pack between the first and second terminals; and a control unit operatively coupled to the first and second switches. The control unit is configured to turn on both of the first and second switches to connect the first battery pack and the second battery pack in parallel to each other if a voltage difference between the first battery pack and the second battery pack is less than a threshold voltage at a time when both of the first switch and the second switch are turned off. According to the present invention, it is possible to prevent the battery packs from being damaged by an inrush current generated when the plurality of battery packs are connected in parallel to each other.
Patent KR-20190131186-A (KR)
Title: Easy guide for ground rods
Inventor: CHO HONG SEOK
IPC: H02G13/00
Filed: 2018-05-16
Abstract: The present invention relates to an easy guide for ground rods and, more specifically, to an easy guide for ground rods which is coupled to a buried end unit of the ground rod to minimize resistance with the ground when the ground rod is buried, and prevents construction failures such as a broken ground rod and the like.
Patent KR-20190131770-A (KR)
Title: Positive active material for rechargeable lithium battery and rechargeable lithium battery including same
Inventor: KIM YOUNG KI
IPC: H01M4/36
Filed: 2018-05-17
Abstract: The present invention relates to a positive electrode active material for rechargeable lithium batteries having excellent capacity and lifespan, and showing improved stability and a rechargeable lithium battery including the same. The positive electrode active material for rechargeable lithium batteries comprises a core and a surface layer formed on the surface of the core. The core comprises a first crystal structure. The surface layer includes a first crystal structure and a second crystal structure different from the first crystal structure. In the surface layer, the first crystal structure is present more than the second crystal structure.
Patent KR-20190133566-A (KR)
Title: Fire Extinguisher Support
Inventor: CHOI SUNG EUN
IPC: G08B17/06
Filed: 2018-05-23
Abstract: The present invention provides fire protection related technology. More specifically, a fire extinguisher support according to an embodiment of the present invention periodically receives a fire occurrence disaster signal from a fire detector when the fire occurs, thereby switching on the internally mounted lighting to flash periodically. In addition, the fire extinguisher support of the present invention drives a speaker that recognizes the fire occurrence disaster signal to periodically play a fire warning sound, or voices the location notification information to guide the setting position where a fire extinguisher is placed. In addition, when the fire extinguisher is separated from a support unit for fire entry, a lamp and a speaker are switched off to stop the light emitting operation of the lamp and the voice expression operation of the speaker.