baber/WOPTO huggingface dataset:
Patent KR-20220149158-A (KR)
Title: Smartphone Polaroid Camera
Inventor: HAN JU RI
IPC: G03B17/50
Filed: 2021-04-30
Abstract: The present invention relates to a smartphone Polaroid camera which is attached to a mobile phone from the beginning for convenient carriage instead of separately carrying a Polaroid camera through excellent portability of Polaroid to solve an existing problem of separately carrying the Polaroid for use. That is, the present invention provides a Polaroid camera attached to a mobile phone from the beginning for convenient carriage instead of separately carrying the Polaroid camera, so that the Polaroid camera is attached to the mobile phone that people usually carry, and a picture is produced from the Polaroid camera attached to a rear surface of the mobile phone directly when photographing after setting a Polaroid function in a mobile phone camera. Thus, the present invention has an effect of solving the existing problem of separately carrying the Polaroid for use by attaching the Polaroid camera to the mobile phone from the beginning for convenient carriage instead of separately carrying the Polaroid camera through excellent portability of the Polaroid.
Patent KR-20220149348-A (KR)
Title: Augmented reality device obtaining depth information of the object and method for operating the same
Inventor: YOON SANG HO
IPC: G06T19/00
Filed: 2021-04-30
Abstract: The present disclosure provides an augmented reality device for obtaining depth value information of an object located in a region of interest, and an operating method thereof. An augmented reality device according to an embodiment of the present disclosure may: on the basis of at least one of the moving speed, acceleration, fixation time, fixation number of times, and position of a point of interest obtained through a gaze tracking sensor, calculate a region of interest (ROI) confidence level indicating a degree by which at least one partial region within the entire region of the real world is predicted as an ROI; determine the ROI on the basis of the calculated ROI confidence level; and configure a parameter for controlling the operation of a depth sensor in order to obtain depth value information of an object in the ROI. According to the present invention, the use time of a battery of the augmented reality device can be increased, thereby improving user convenience.
Patent KR-20220150042-A (KR)
Inventor: CHOI JAE SIK
IPC: G01R31/28
Filed: 2021-05-03
Abstract: The present invention provides a reliability test method for a display driver IC. The reliability test method according to the present invention includes a step of mounting IC chips with good quality, which are aligned on an adhesive tape (UV tape), on a tray; a step of executing a reliability test on the tray on which the IC chips are provided, at a high-temperature environment; a step of cleaning the IC chip with good quality using air to remove a pollutant existing on the IC chip with good quality when the reliability test is completed; a step of aligning the IC chip with good quality on the adhesive tape again; and a step of executing a final test and providing a test result. Therefore, the reliability test method for a display driver IC can simplify a test process instead of a conventional method. Accordingly, the reliability test method for a display driver IC can save costs and improve reliability.
Patent KR-20220151907-A (KR)
Title: Range, automatioc cooking device including the range, and automatic cooking method
Inventor: KIM SI HWAN
IPC: A47J36/32
Filed: 2021-05-07
Abstract: A range according to an embodiment of the present invention comprises: a thermal power supply unit; a recipe storage unit which stores a recipe received from a server or a user terminal where the recipe is stored; and a control unit which is connected to the recipe storage unit and the thermal power supply unit. The recipe includes calorie information used for cooking. The control unit may determine thermal power corresponding to the calorie in consideration of the calorie information of the recipe, and control the thermal power supply unit to output the determined thermal power.
Patent KR-20210157311-A (KR)
Inventor: IBRAHIM A
IPC: G01N21/47
Filed: 2021-05-11
Abstract: Provided are a method and a system for predicting an optical property of a sample using diffuse reflectance spectroscopy (DRS). An embodiment obtains a plurality of diffuse reflectance values, and herein, optical energy is radiated to a sample and diffuse-reflected in the sample. The embodiment provides the diffuse reflectance value to a hybrid deep neural network architecture (HDNNA). Then, the HDNNA comprises a fully connected sub-network, a convolutional sub-network, a merged neural network, and an output neural network.
Patent KR-20220157149-A (KR)
Title: Organic semiconductor componund for electron acceptor based on 3,4-ethlenedioxythiophene(edot) spacer, synthesis method thereof, and organic electronic device including the same
Inventor: MOON DOO KYUNG
IPC: H01L51/42
Filed: 2021-05-20
Abstract: According to the present invention, 3,4-ethylenedioxythiophene spacer-based novel A-π-D-π-A or D-π-A structures are combined with D or A having various characteristics of the basic main chain. At this time, when the structure of D or A or a side chain (R) is appropriately selected and introduced, a single molecule for an electron acceptor having excellent optical and electrochemical characteristics based on high solubility and planarity can be obtained. The single molecule synthesized in the present invention constitutes a binary component with a donor polymer commercially available or reported in the literature or is introduced as a ternary component to a combination of a donor polymer and a single molecule commercially available or reported in the literature, thereby being used as a photoactive layer material of a bulk heterojunction structure and providing a high-performance organic solar cell.
Patent KR-20220157182-A (KR)
Title: Luminous garnish for vehicle
Inventor: JUNG HOE WON
IPC: B60Q3/62
Filed: 2021-05-20
Abstract: The present invention relates to a luminous garnish for a vehicle and, more specifically, to a luminous garnish for a vehicle, which allows light, generated from LEDs, to be three-dimensionally emitted through the garnish by a pattern formed on a first light guide and the shape of peaks and valleys formed on a second light guide. The luminous garnish for a vehicle comprises: a housing (100); a first light guide (200) fixedly installed on the upper surface of the housing (100); a second light guide (400) installed to be spaced from the first light guide (200) so that an air cap (600) is formed on the first light guide (200); LEDs (300) located at both right and left ends of the air cap (600) and installed between a second light guide (400) and the first light guide (200) to be turned on; and a garnish (500) for allowing light, generated from the LEDs (300), to be emitted while being variously changed by the second light guide (400), in a state in which the light is uniformly spread along the first light guide (200). Therefore, the luminous garnish for a vehicle can produce an effective lighting effect and a luxurious image.
Patent KR-20210074245-A (KR)
Inventor: ZHOU DONGYI
IPC: G01C21/00
Filed: 2021-05-31
Abstract: The present application discloses a method, apparatus, electronic device, and storage medium for detecting and processing map quality in the field of unmanned driving. A specific implementation method of the present invention includes processes of: acquiring a detection atmospheric map; acquiring traffic instruction information labeled on the map; acquiring the actual road test data of each detection area on the map; obtaining a vehicle driving behavior of each detection area according to the actual road test data of each detection area; and generating a detection result of the map according to the traffic instruction information corresponding to each detection area and the driving behavior of the vehicle. Accordingly, it is possible to improve the efficiency and accuracy of high-precision map detection by realizing automatic detection of maps based on vehicle driving behavior and traffic indication information labeled on the map.
Patent KR-20220162006-A (KR)
Title: Specific cutting device for manufacturing and mass production of squid paper
Inventor: PARK BEOM CHEOL
IPC: A22C25/20
Filed: 2021-05-31
Abstract: The present invention relates to a method of layering raw squid in a frozen or semi-dried form and then cutting the same into a wide and thin paper form with a dedicated cutting machine, and a dedicated cutting device thereof, including a specific method for the same. The present invention can dramatically increase the diversification of foods using wide and thin squid (squid paper).
Patent KR-20220165965-A (KR)
Title: Housing for electronic device with different metal assembly and the manufacturing method thereof
Inventor: YOONHEE LEE
IPC: C23C4/06
Filed: 2021-06-09
Abstract: Disclosed are a dissimilar metal junction electronic device housing to which a non-conductive part is coupled, and a manufacturing method therefor. According to various embodiments, the electronic device housing may comprise: two or more metal parts having an oxide film layer formed on a surface thereof; and a non-conductive part formed to cover at least a part of the oxide film layer. In addition, various embodiments are possible.
Patent KR-20220166475-A (KR)
Title: Anti-Theft umbrella
Inventor: KIM JIN SEOK
IPC: A45B9/02
Filed: 2021-06-10
Abstract: An umbrella of the present invention includes a locking device to prevent theft, which uses a lock of a bicycle and is attached to the umbrella. The anti-theft umbrella of the present invention includes an umbrella, a rope built in an end portion of a handle, a key connected to the end of the rope, and a password locking device provided between an umbrella shaft and the handle.
Patent KR-20220166670-A (KR)
Title: Laser Arc hybrid welding method for high manganese steel
Inventor: KIM DU SONG
IPC: B23K26/08
Filed: 2021-06-10
Abstract: The present invention provides a method for welding high manganese steel with a hybrid welding machine. In the case of manufacturing a structure with a base material of high manganese steel having a thickness of 10 to 15t, an arc torch (25) of an arc welding part (20) precedes and a welding head (15) of a laser welding part (10) follows, and in the case of realizing a welding speed of 100 CPM or more, a focal length (Fd) of the welding head (15) is maintained at 6 to 8 mm while maintaining a reference distance (Fa) between the welding head (15) and the arc torch (25) at 6 to 8 mm on the base material. Therefore, the present invention can be applied to the manufacture of various structures including main plates with high manganese steel materials, while maintaining applicability to thick plates of 15t or more in thickness, thereby increasing usefulness at shipbuilding sites and contributing to productivity improvement.
Patent KR-20220168885-A (KR)
Title: Uninterrupted power supply bypass device for the connection apparatus of underground low voltage cable, and method for installing and removal using the same
Inventor: HONG YOUNG GI
IPC: H02G15/02
Filed: 2021-06-17
Abstract: The present invention relates to an uninterrupted power supply bypass apparatus. More specifically, the present invention relates to an uninterrupted power supply bypass apparatus for connecting a temporary cable to an access apparatus of an underground low-voltage cable for replacing a transformer or a cable and the like without power outage, comprising: a supporter detachably connected to a main body of the access apparatus of the underground low-voltage cable; an access terminal connected to one end of the temporary cable and bypassing from the existing cable accessed to the main body of the access apparatus of the underground low-voltage cable to the temporary cable; and an access unit penetrating the supporter and connecting the existing cable and the access terminal. Therefore, work stability and work efficiency can be improved.
Patent KR-20220169747-A (KR)
Title: Laundry Treatment Apparatus and Controlling Method for the same
Inventor: MANGEUN KIM
IPC: D06F33/72
Filed: 2021-06-21
Abstract: The present invention provides a laundry treatment device, capable of improving dryness measurement of laundry by using an infrared sensor measuring heat generated from the laundry, and a control method for the same. The control method for the same includes: a step of measuring the temperature of the laundry; a step of calculating a temperature amplitude according to the temperature of the laundry measured; a step of dividing the laundry into a dried fabric and a wet fabric by dividing the temperature amplitude according to a reference value; a step of calculating a first ratio which is a ratio of the dried fabric of the laundry to the wet fabric; a step of calculating a second ratio normalizing the measured temperature; a first determination step of determining the dryness of the laundry by using the first ratio and the second ratio; a second determination step of determining the dryness of the laundry by a voltage signal measured by an electrode sensor; and a final determination step of determining the completion of the dry when the first determination step and the second determination step are satisfied.
Patent KR-20230004066-A (KR)
Inventor: NAM KOOK HYUN
IPC: A63B21/00
Filed: 2021-06-30
Abstract: The present invention relates to a grip exercise machine, and specifically, to a grip exercise machine, capable of repositioning kinetic loads and measuring grip, in which, with the rise of a release lever, a spring fixing lever is raised together with a front lever to widen an angle, and a load spring member is moved to a desired position among strong, medium, and weak positions in a load selection groove of the spring fixing lever and the spring fixing lever and the rear lever are fixed with the release lever, and thus a user can quickly and easily change and select the grip exercise load suitable for individual physical strength.
Patent KR-20220004587-A (KR)
Title: Building pipeline inspection system using smart ball
Inventor: LEE UNG KYUN
IPC: H04W4/80
Filed: 2021-07-05
Abstract: The present invention relates to a pipeline inspection system using a smart ball, and more specifically, to the pipeline inspection system using the smart ball with a new structure configured to allow consistent management and proactive response for building equipment by photographing video information about a state of a pipeline inside the building in real time, transmitting photographing information and location information to a server through a communication module to be saved as attributes of a BIM plan, and inspecting the state of the pipeline through the information transmitted to the server. According to the description, provided is the pipeline inspection system using the smart ball configured to efficiently manage the pipeline installed in the building.
Patent KR-20230009735-A (KR)
Title: Composition for skin whitening comprising Saururus chinensis white leaf extract
Inventor: JEONG SU GYEONG
IPC: A61K36/78
Filed: 2021-07-09
Abstract: The present invention relates to: a cosmetic composition for skin whitening comprising a Saururus chinensis white leaf extract as an active ingredient; and a pharmaceutical composition and a health functional food composition for preventing, treating or alleviating diseases caused by melanin hyperpigmentation. The Saururus chinensis white leaf extract is excellent in a melanin production and secretion inhibitory effect and a skin pigmentation inhibitory effect compared to a Saururus chinensis green leaf extract, and thus can be used as a cosmetic composition or a pharmaceutical composition for skin whitening.
Patent KR-20230010550-A (KR)
Title: Led module
Inventor: CHAE KI HOON
IPC: F21Y115/10
Filed: 2021-07-12
Abstract: The present invention relates to an LED module. The LED module comprises: a light emitting part; a substrate part electrically connected to the light emitting part; a heat dissipation part prepared to have the light emitting part and the substrate part placed on an upper surface thereof; and an extension part extending downward or upward from an end of the heat dissipation part.
Patent KR-20230012173-A (KR)
Inventor: YU SEUNG HO
IPC: C02F1/66
Filed: 2021-07-15
Abstract: The present invention relates to a technique for treating wastewater containing non-decomposable materials. The treatment method of the present invention includes a step of reducing non-decomposable materials by irradiating radiation in the presence of sulfite-based salt. The present invention can economically and efficiently decompose non-decomposable materials such as PFCs.
Patent KR-20230013230-A (KR)
Inventor: WANG OK SUB
IPC: H01R13/443
Filed: 2021-07-18
Abstract: The present invention relates to an individual protective cover of a modular jack capable of preventing penetration of a foreign substance in a combining hole and improving usability by being individually and conveniently combined and detached from a plurality of modular jacks provided in a data distributing device. The individual protective cover of a modular jack comprises: a body unit (11); a plate-shaped cover unit (12); and a gripping unit (13). The body unit (11) is press-fitted into the combining hole (1a) by including the same cross-sectional area as the combining hole (1a) of the modular jack (1) provided in the data distributing device. The plate-shaped cover unit (12) has a size for covering an upper part of the one modular jack (1), and is formed by extending an upper end of the body unit (11). The gripping unit (13) is gripped by being projected on an upper surface of the cover unit (12).
Patent KR-20230016459-A (KR)
Inventor: HA OK GEUN
IPC: H05K7/20
Filed: 2021-07-26
Abstract: According to the present invention, a power converter apparatus for a vehicle comprises: a cooling block provided with a refrigerant inlet and a refrigerant outlet, and with two cooling baths connected to the refrigerant inlet in parallel and each having a shape open to an outside, wherein the cooling block is configured to allow refrigerants passing through the two cooling baths to be merged prior to being discharged through the refrigerant outlet; a cooling plate, wherein the cooling plate covers an opening of the cooling baths to form a cooling chamber and includes a plurality of cooling fins protruding into the cooling chamber; and a cooling tube, wherein the cooling tube is coupled to the cooling block with an object to be cooled interposed between the cooling plate and the cooling tube, receives the refrigerant from the refrigerant inlet of the cooling block and transmits the refrigerant to the cooling chamber. According to the present invention, uniform and effective cooling of each integrated component is possible.
Patent KR-20230018754-A (KR)
Inventor: PARK JU YOUNG
IPC: B05B11/00
Filed: 2021-07-30
Abstract: The present invention relates to a spray head for an airbrush, which adjusts the opening degree of a needle valve according to the viscosity of a spray liquid with a simple structure to easily adjust a spray amount. The spray head for the airbrush comprises: a main body case (10); a spray nozzle (20) installed on the front of a main body case (10); a needle valve (30) mounted on the spray nozzle (20) inside the main body case (10); a storage tank (40) installed on the upper surface of the main body case (10); a spray button (50) installed on the upper surface of the main body case (10); a supply pipe (60) provided at the center of the lower surface of the main body case (10); and a spray amount control unit (70) installed on the back of the case (10).
Patent KR-20230020266-A (KR)
Inventor: PARK HYE JIN
IPC: A23L29/30
Filed: 2021-08-03
Abstract: The present invention relates to a method for manufacturing a mulled wine balm, and an oriental medicine mulled rice balm manufactured by the same. More specifically, the present invention provides a method for manufacturing mulled wine by manufacturing the mulled wine balm by containing oriental medicine materials and dried fruits inside thereof, followed by pouring the heated wine into the manufactured mulled wine balm to conveniently manufacture mulled rice. The present invention can conveniently manufacture mulled wine without the process of individually manufacturing the ingredients of the mulled wine.
Patent KR-20230027525-A (KR)
Inventor: JUN SUNG PYO
IPC: B65D5/08
Filed: 2021-08-19
Abstract: 본 발명은 접착테잎을 사용하지 않고서도 밀봉이 가능한 택배용 포장박스에 관한 것이다. 그 구성은 본 발명은 사각형태의 바닥판(10); 상기 바닥판(10)의 각 변에서 각각 연장되는 제1,2,3,4측판(20,30,40,50); 상기 제1측판(20)과 제2측판(30) 사이에 연결되는 제1연결판(21); 상기 제1측판(20)과 제4측판(50) 사이에 연결되는 제2연결판(22); 상기 제2측판(30)과 제3측판(40) 사이에 연결되는 제3연결판(41); 상기 제3측판(40)과 제4측판(50) 사이에 연결되는 제4연결판(42); 상기 제2측판(30)에 연결되는 상판(60); 상기 상판(60)에서 좌우 방향으로 연장되는 것으로서 좌우측에 제1끼움돌편(612,622)이 돌출 형성되어 있는 한쌍의 측부끼움판(61,62); 상기 제4측판(50)의 좌우측에 마련되는 것으로서 상기 제1끼움돌편(612,622)이 끼워지는 제1삽입공(52,53)을 포함하되; 상기 제1,2,3,4연결판(21,22,41,42)은 반으로 접힐 수 있도록 중간에 접이선이 마련되어 있고, 상기 접이선을 기준으로 하여 상기 제2측판(30)과 4측판(50)에 접하는 부분은 상기 제2측판(30)과 제4측판(50)에 접착되어 있으며; 상기 상판(60)을 덮는 과정에서 상기 제1끼움돌편(612,622)이 상기 제1삽입공(52,53)에 끼워짐으로써 밀봉되는 것을 특징으로 한다.
Patent KR-20230027565-A (KR)
Title: 뇌파에 따라 향이 달라지는 꽃 모자
Inventor: HA IN DEUK
IPC: A61B5/291
Filed: 2021-08-19
Abstract: 본 발명은 뇌파에 따라 향이 배합되어 각기 다른 향이 나는 꽃 모자에 관한 것으로 착용자의 머리에 맞닿아 뇌파를 측정하는 뇌파 측정부, 상기 측정된 뇌파를 분석하는 뇌파 분석부, 향을 제조하기 위한 원료를 저장하는 원료 저장부 및 상기 분석된 뇌파를 바탕으로 원료를 배합하는 배합부를 포함하며 착용자의 뇌파를 측정하여 기분에 따라 각기 다른 향이 제조되기 때문에 다양한 향을 맡아볼 수 있다.
Patent KR-20230028675-A (KR)
Inventor: SEO JEA WOON
IPC: H04R1/02
Filed: 2021-08-20
Abstract: 본 발명은 음향 출력 장치에 관한 것으로서, 상기 음향 출력 장치는 내부에 공간을 구비하고 상기 공간과 연결되어 있는 음향 출구를 구비하는 하우징, 상기 하우징의 상기 공간 내에 위치하고, 음향을 출력하는 음향 출력부, 상기 하우징의 공간 내에 위치하고, 상기 음향 출력부 하부에 위치하는 온도센서 장착 기판, 상기 하우징의 공간 내에 위치하여 상기 온도센서 장착 기판에 실장되어 있으며, 적외선을 이용하여 온도를 감지하는 온도 센서 및 상기 하우징의 상기 음향 출구를 덮고 있는 덮개를 포함하고, 상기 덮개는 상기 적외선을 통과시키는 적외선 관통구 및 상기 적외선 관통구의 주변에 위치하고 상기 음향 출력부에서 출력되는 음향을 출력하는 적어도 하나의 음향 관통구를 포함한다.
Patent KR-20230030469-A (KR)
Title: 특수제작 숙성고를 이용한 생고기 습식숙성 방법
Inventor: SONG HYUNG GEUN
IPC: A23L3/36
Filed: 2021-08-25
Abstract: 본 발명은 고기 습식숙성장치 및 이를 이용한 고기 습식숙성방법에 관한 것으로, 그 구성은, 축산물을 도축 후 일정한 크기와 부위별로 구분하고 지방을 제거하여 진공포장 하는 제 1단계와, 상기 포장된 포장육을 저온고에 투입하여 -2.0℃ 내지 -1.0℃에서 3일 동안 숙성시키는 제 2단계와, 상기 제 2단계의 포장육을 -1.5℃ 내지 -0.5℃의 저온고에서 3일 동안 숙성시키는 제 3단계와, 상기 제 3단계의 포장육을 -1.0℃ 내지 0℃의 저온고에서 3일 동안 숙성시키는 제 4단계와, 상기 제 4단계의 포장육을 -0.5℃ 내지 0.5℃의 저온고에서 3일 동안 숙성시키는 제 5단계와, 상기 제 5단계의 포장육을 0℃ 내지 1.0℃의 저온고에서 3일 동안 숙성시키는 제 6단계와, 상기 제 6단계의 포장육을 0.5℃ 내지 1.5℃의 저온고에서 3일 동안 숙성시키는 제 7단계를 포함하여 구성되는 것을 특징으로 한다.
Patent KR-20230035923-A (KR)
Inventor: PARK JEONG GYU
IPC: B66F3/25
Filed: 2021-09-06
Abstract: 본 발명은, 좌우로 서로 이격 배치되는 한 쌍의 선체; 상기 한 쌍의 선체의 사이에서 상하로 이동 가능하게 설치되는 데크; 및 상기 한 쌍의 선체의 내측에 배치되며, 상기 데크를 상하 이동 가능하게 지지하는 승강수단을 포함하는 상하이동이 가능한 데크를 구비한 카타마란을 제공한다. 
본 발명에 따른 상하이동이 가능한 데크를 구비한 카타마란에 의하면, 한 쌍의 선체의 내측에 배치되며 데크를 상하 이동하능하게 지지하는 승강수단을 구비함으로써, 실시자의 목적에 맞게 데크의 상하 위치를 최적으로 조절할 수 있다. 구체적으로, 본 발명은, 데크에 적재된 물건을 하역하거나 데크에 물건을 적재시키고자 하는 경우에 데크를 하강시킬 수 있고, 항해를 시작하고자 하는 경우 데크를 상승시킬 수 있고, 그 이외에도 항해 중 해수면의 변화에 맞게 데크를 상하로 적절히 이동시킬 수 있다.
Patent KR-20220034692-A (KR)
Inventor: SIGNORINO MANFREDI
IPC: B01D53/86
Filed: 2021-09-09
Abstract: The present invention relates to an air treatment apparatus for home appliances, wherein at least one air flow device is provided through which an air flow can be created into and/or out of the air treatment apparatus, wherein the air flow passes through at least one processing device, and the air treatment apparatus is provided with a closing apparatus that allows the air treatment apparatus to be hermetically closed.
Patent KR-20230039873-A (KR)
Inventor: ROH TAE YOUNG
IPC: G05B23/02
Filed: 2021-09-14
Abstract: 본 발명의 실시예에 따른 이상 감지 방법은, 소정의 구간에 포함된 복수의 시점들에서의 불량률 데이터를 이용하여 기준 불량률을 계산하는 단계, 상기 기준 불량률을 이용하여 상기 소정의 구간 이후의 감지 시점에서의 불량률 데이터에 대응하는 감지 불량률 및 가중치를 계산하는 단계, 상기 감지 불량률과 상기 가중치를 곱하여 불량 인자를 계산하는 단계, 상기 불량 인자의 값과 불량률을 안정적으로 제어할 수 있는 제어 한계선에 대응하는 인자의 크기를 비교하는 단계, 및 상기 비교 결과에 기초하여 상기 감지 시점에서의 불량률 데이터의 이상 여부를 감지하는 단계를 포함할 수 있다. 따라서, 본 발명의 일 실시예에 따른 이상 감지 방법을 통해 불량률이 매우 낮은 분야에서의 과소 추정 문제를 개선할 수 있고 노이즈 발생 가능성을 감소시킬 수 있으며, 나아가 불량률 상승을 사전에 감지하고, 불량률의 변화 추세를 정량화함으로써 리스크를 효율적으로 관리할 수 있다.