baber/WOPTO huggingface dataset:
Patent KR-20130011547-A (KR)
Title: 노이즈 차폐 케이블
Inventor: KIM JAE HYOUNG
IPC: H01B7/32
Filed: 2011-07-22
Abstract: 본 발명은 노이즈 차폐 케이블에 관한 것으로, 복수의 피복도선을 크로스필터로 구역을 분리하여 배치하고 바인딩 테이프, 제1차폐부재, 제2차폐부재 및 내측 자켓으로 노이즈 케이블을 구성하고, 더 나아가 내측 노이즈 케이블 외측에 복수의 피복도선을 배치후 충전물, 외측 제1,제2차폐부재 및 폴리우레탄 외측 자켓으로 이중 구성함으로써 노이즈에 강하고, 하나의 차폐 케이블로 레이저, 카메라 제어신호선 및 전원선을 모두 연결할 수 있으며, 내측 차폐 케이블의 피복도선들을 분리배치함으로써 이중 차폐기능으로 외부 노이즈를 차폐하고 도선들을 분리배치하여 도선간의 잡음 영향을 방지함으로써 기가 이더넷용 노이즈 차폐 케이블로서도 이용할 수 있다.
Patent KR-20130012295-A (KR)
Title: Active roll control system
Inventor: KIM SUNG JUN
IPC: B60G21/055
Filed: 2011-07-25
Abstract: PURPOSE: An active control system is provided to actively control roll of a vehicle by applying roll rigidity of a stabilizer bar in a position with a bigger movement of a lower arm, to have a simple control mechanism with an electric actuator, and thus to simplify a layout thereof. CONSTITUTION: An active control system comprises a stabilizer bar(1), a stabilizer link(3), a actuator(5), and a push bar(7). The stabilizer bar is mounted on a sub-frame(11) at a vehicle body with each of both ends connected to a lower arm(9) on either side. The stabilizer link includes one end slidably installed at each lower arm and the other end connected to the end of the stabilizer bar. The actuator is installed at one side of the center of the sub-frame and drives a power trans on either side for forward and backward travelling. The push bar delivers the forward and backward force driven by the power trans to the stabilizer link by connecting each of both ends to the connection portion of the stabilizer link at the lower arm and the power trans.
Patent KR-20130013153-A (KR)
Title: Antifungus feed composition containing glycerin as an active ingredient
Inventor: PARK CHAN GYU
IPC: A23K20/195
Filed: 2011-07-27
Abstract: PURPOSE: An antifungal feed additive and an antifungal feed composition containing the same are provided to prevent and hinder the generation of fungi in the feed. CONSTITUTION: An antifungal feed composition contains 0.01-7.00 weight% of glycerine. The water content of the feed composition is 1.0-14%. The feed composition suppresses the generation of at least one toxin selected from the group consisting of mycotoxin, aflatoxin, ochratoxin, zearalenone, vomitoxin, and fumonisin. The feed composition has a shape selected from the group consisting of liquid, powder, granules and pellets. The feed additive is added in the general feed composition with 0.01-7.00 weight%. [Reference numerals] (AA) Liquid storage; (AAA) Pellet inspection; (BB) Heating; (BBB) Packaging and shipping inspection; (CC) Liquid addition; (DD) Sub ingredients; (EE) Preparation and storage; (FF,JJ) Ingredient selection; (GG) Medicine Preparation; (HH) Bin storage; (II) Ingredient storage; (KK) Ingredient powder; (LL) Storage; (MM) Weighing; (NN) Mixing; (OO) Flake; (PP) Flake mixing; (QQ) Particle size inspection; (RR) Mixing inspection; (SS) Person in charge; (TT) Product selection; (UU) Pellets and crumble; (VV) Powder selection; (WW) Product storage; (XX) Bulk shipping; (YY) Pellet processing; (ZZ) Product packaging
Patent KR-20120014106-A (KR)
Title: Motion blur modeling for image formation
Inventor: JELINEK JAN
IPC: G06T7/20
Filed: 2011-08-05
Abstract: PURPOSE: A motion blur modeling for forming an image is provided to reduce the size of a kernel into a rectangular including a source curve from an image. CONSTITUTION: An image data used for forming a specific image which is obtained by a camera(104) is obtained. At the same time of the image obtained, a speed vector data about the object is obtained. A convolution kernel based on the speed vector data is defined. The convolution kernel is applied to the image data. A deblur set(112) used for forming the specific image is created.
Patent KR-20130017444-A (KR)
Title: Solar cell and manufacturing method thereof
Inventor: HAN DEOK WOO
IPC: H01L31/06
Filed: 2011-08-10
Abstract: PURPOSE: A solar cell and a manufacturing method thereof are provided to improve an outer appearance by forming a frame with the same color as the solar cell and forming a luminous pattern between the frame and a protection glass. CONSTITUTION: A first electrode is separately formed on a substrate(110) by an electrode separating unit(125). A photoelectric conversion layer is formed on the first electrode and the electrode separating unit. A contact unit(140) is formed by removing the photoelectric conversion layer on the first electrode near the electrode separating unit. A second electrode(150) is formed on the contact unit and the photoelectric conversion layer to be electrically connected to the first electrode by the contact unit. A cell luminous pattern(170) is formed on the cell separating unit and emits light of a preset color.
Patent KR-20130022104-A (KR)
Title: Properties of oxygen improvement plasma making mode
Inventor: KIM DONG SEOP
IPC: H01T23/00
Filed: 2011-08-25
Abstract: PURPOSE: A plasma and a manufacturing method thereof are provided to provide the plasma, capable of enlarging the comburent by using the oxygen in air as a material, in an affordable cost, raise the combustion efficiency by using the plasma, and contribute to the thermal process with an affordable cost. CONSTITUTION: A plasma manufacturing method comprises the plasma which an oxygen gate and a reaction zone exist, and the oxygen itself passing the gate becomes a material of the plasma and generates it, a step of applying the voltage in which the oxygen insulation is destroyed and the plasma repeating the initiation progressing elimination to the oxygen gate, and a step that press or inhale the generated plasma in order to use in the combustion process.
Patent KR-20130023767-A (KR)
Inventor: PYO SEUNG SEOK
IPC: H01L21/28
Filed: 2011-08-29
Abstract: 본 발명은 도우프드 폴리실리콘과 언도우프드 폴리실리콘의 식각선택비를 증가시킬 수 있는 반도체장치 제조 방법을 제공하기 위한 것으로, 본 발명의 반도체장치 제조 방법은 절연막이 피복된 제1측벽과 제2측벽을 갖는 트렌치가 형성된 기판을 제공하는 단계; 상기 트렌치의 상부영역을 노출시키면서 상기 트렌치를 갭필하는 희생막을 형성하는 단계; 상기 희생막 상에 상기 트렌치의 상부영역에 인접하는 실리콘막을 형성하는 단계; 상기 제1측벽 방향으로 상기 실리콘막에 질소이온을 이온주입하는 단계; 및 하이드록실 케미컬을 이용하여 상기 제2측벽에 잔류하는 상기 실리콘막의 비이온주입영역을 선택적으로 제거하는 단계를 포함하고, 상술한 본 발명은 질소이온주입을 통해 이온주입영역과 비이온주입영역간 선택비를 갖도록 하고, 후속 하이드록실 케미컬을 이용하여 비이온주입영역을 선택적으로 제거하므로써 주변구조물의 어택없이 비이온주입영역을 제거할 수 있는 효과가 있다.
Patent KR-20130025073-A (KR)
Inventor: LEE DONG HI
IPC: G06F3/041
Filed: 2011-09-01
Abstract: 본 발명은 플렉시블 터치 스크린를 접거나 펼칠때 소정의 곡률을 형성하도록 한 플렉시블 터치 스크린 및 이를 구비한 빔 프로젝터에 관한 것이다. 
이를 위해, 플렉시블 터치 스크린에 있어서, 플렉시블 터치 스크린 본체부와, 상기 본체부의 외곽 둘레에 구비되는 적어도 하나 이상의 봉타입 하우징 및 상기 봉타입 하우징들의 사이에 형성되어 상기 봉타입 하우징들과 함께 상기 본체부를 접거나 펼칠때 소정의 곡률을 형성시키는 적어도 하나 이상의 곡률 공간부를 포함함을 특징으로 하며, 이에 따라, 제품의 접히는 부분의 파손 및 변형을 방지할뿐만 아니라, 전원선 및 통신선의 손상을 방지하고, 이로인해 제품의 기능을 향상시킬 수 있는 이점이 있다.
Patent KR-20130027654-A (KR)
Title: Method and system for processing short messages sent by application software for smart devices
Inventor: PARK SEOK JUN
IPC: H04W4/12
Filed: 2011-09-08
Abstract: PURPOSE: A text message processing system and a method thereof are provided to prevent decrease in the usage of text messages by increasing the transmission amount of the text message. CONSTITUTION: A legacy system(500) receives a user text message transmission request signal from an application server. The legacy system transmits a text message sending response signal to the application server according to the user text message transmission request signal. The legacy system sends the text message to the reception terminal. A DB(DataBase) server(300) generates and transmits an application authentication confirmation signal by comparing stored contents with information included in an application authentication request signal. The DB server stores a sending log for sending the text message. [Reference numerals] (AA) Storage
Patent KR-20130028485-A (KR)
Title: Touch panel and touch information determining method of touch panel
Inventor: HONG WON KI
IPC: G06F3/03
Filed: 2011-09-09
Abstract: PURPOSE: A touch panel and a contact information determining method thereof are provided to simply calculate contact information regardless of the number of touches, to raise a penetration ratio, and to reduce a manufacturing cost. CONSTITUTION: Delivery members(110) are arranged at regular intervals and first and second sensors(120a,120b) are placed on the bottom of first and second ends of a first delivery member. The delivery members deliver a delivery signal by a touch to first and second sensors. The delivery members have flexibility and the delivery signal includes a material wave. The first and the second sensors sensing the delivery signal generate a sensing signal by using a power sensing method. The first and the second sensors include a sensing resistance and a reference resistance connected with first and second voltages in series and output the sensing signal at a contact point between the sensing resistance and the reference resistance.
Patent KR-20130031526-A (KR)
Title: Mobile terminal and control method therof
Inventor: SONG YOO MEE
IPC: H04W4/80
Filed: 2011-09-21
Abstract: PURPOSE: A mobile terminal and a control method are provided to obtain information related to other information which is obtained from other terminals through a local area communication link, thereby supplying various services. CONSTITUTION: When tagging is performed, a communication link is formed between a mobile terminal and other terminals by using a local area communication module(S10,S20). Data is transmitted to the mobile terminal from other terminals through the communication link(S30). A control unit of the mobile terminal obtains connection information from an external server based on the tagging information for purchasing a product(S40). The control unit executes a function related to the obtained connection information(S50). [Reference numerals] (AA) Start; (BB) End; (S10) Tagged to the other terminal?; (S20) Forming a local area communication link; (S30) Obtaining tagging information through the local area communication link; (S40) Obtaining connection information related to the tagging information; (S50) Executing a function related to the connection information
Patent KR-20130034727-A (KR)
Title: Alloy with low specific gravity and manufacturing method thereof
Inventor: LEE KYUNG MOON
IPC: C22C38/06
Filed: 2011-09-29
Abstract: PURPOSE: An alloy with a low specific gravity, and a manufacturing method thereof are provided to improve product commercialization by using Al with better castability than Mn. CONSTITUTION: An alloy with a low specific gravity is composed of Fe as a main component, 0.2-0.5wt% of C, 5-10wt% of Mn, 10-15wt% of Al, 3wt% or less of Si, 3wt% or less of Cr, 0.1-2wt% of Ni, 0.005wt% or less of B, and other inevitable impurities. A structure of the alloy is ferrite combined with austenite, or ferrite. [Reference numerals] (AA) Hot rolling(FRT: 950°C); (BB) Recrystalization(700-900°C, 5min-1hr); (CC) Multi-stage cold rolling;
Patent KR-20130034757-A (KR)
Title: 퍼터용 보조그립
Inventor: PARK CHONG OOK
IPC: A63B53/14
Filed: 2011-09-29
Abstract: 퍼팅스트로크 시행시 손목이나 손가락과 같은 소근육의 미동을 최대한 억제하는 동시에 손바닥으로 미는 동작구현을 도울 수 있도록, 퍼팅시 손바닥 면의 밀착상태가 유지되는 밀대가 구비된 몸체와, 상기 몸체의 등마루 부위에 복수로 구비되어 샤프트를 잡는 그립의 손가락을 집게 모양으로 고정하는 손가락 거치대 및 상기 몸체의  상단부에서 하단부로 관통되어 상기 샤프트의 외면상에 밀착, 고정되는 샤프트 홀을 포함하는 퍼터용 보조그립을 제공한다.
Patent KR-20130035604-A (KR)
Title: Cosmetic composition comprising the esculetin for anti-wrinkle and anti-aging effect
Inventor: HAN JEONG A
IPC: A61K8/33
Filed: 2011-09-30
Abstract: PURPOSE: A cosmetic composition containing esculetin as an active ingredient for improving anti-wrinkling and anti-aging is provided to promote collagen synthesis and to enhance skin elasticity and anti-aging activity. CONSTITUTION: A cosmetic composition for anti-wrinkling and anti-aging contains a compound of chemical formula 1 as an active ingredient. The compound of chemical formula 1 enhances expression level of type 1 procollagen and transcription of COL1A1. The compound of chemical formula 1 enhances expression level of transcription factor, Sp1.
Patent KR-20130042136-A (KR)
Title: Drive control method of vehicle by detected dielectric breakdown
Inventor: SHIN JIN CHEOL
IPC: B60W50/02
Filed: 2011-10-18
Abstract: PURPOSE: A drive control method for a vehicle by a detected dielectric breakdown is provided to detect an error occurrence in a high-voltage component by checking each switch of a junction box when a dielectric breakdown is caused, and control the vehicle so that the vehicle can drive on normally, be limited or impossible to drive according to the component which an error occurred in. CONSTITUTION: A drive control method for a vehicle by a detected dielectric breakdown comprises a step of: measuring insulation resistance between a frame ground of the vehicle and a high-voltage battery(S100); determining error occurrence by comparing the measure insulation resistance to a tolerance(S200); if the measure insulation resistance is below the tolerance, checking whether each high-voltage component has an error by measuring insulation resistance after sequentially turning off each switch of a junction box for supplying power to high-voltage components(S300); and controlling drive of the vehicle based on the determination whether driving of the vehicle is affected by the high-voltage part having an error(S400). [Reference numerals] (AA) Start; (BB) Turning off each switch and measuring an insulation resistance; (CC) Error in a part switched off?; (S100) Measuring an insulation resistance; (S150) Measured over 10 seconds?; (S200) Insulation resistance <= Tolerance ?; (S250) Displaying the insulation resistance for confirmation; (S410) Part affecting driving?; (S420) No driving; (S430) Normal or limited driving;
Patent KR-20130042409-A (KR)
Title: Door checker for vehicle
Inventor: CHEON DONG JIN
IPC: B60J5/04
Filed: 2011-10-18
Abstract: PURPOSE: A door checker for a vehicle is provided to improve productivity and to reduce production costs by putting a flange bolt into a mold for injection in molding of a base plate. CONSTITUTION: A door checker for a vehicle comprises a checker arm(50) and a housing(66). One end of the checker arm is connected to a vehicle body in a hinge structure and comprises a curved surface(51). The housing comprises a base plate(55), a housing body(60), and a slider(59). The base plate is installed at an inner side of an inner panel in a door. The housing body is connected to the base plate in order to slide. The slider is elastically supported in the inside of the housing body by a spring(58) in order to vertically move. The base plate is connected to the inner panel by a flange bolt(65). A head unit(65b) of the flange bolt is embedded into the base plate.
Patent KR-20130043289-A (KR)
Title: Leakage gas processing device
Inventor: KIM JIN HO
IPC: F24C3/12
Filed: 2011-10-20
Abstract: PURPOSE: A leaked gas processing device is provided to safely process combustible gas leaked from a combustor by operating a blower installed at an exhaust pipe and by diffusing leaked gas. CONSTITUTION: A leaked gas processing device(100) comprises a gas leakage sensor(10), a gas leakage automatic blocking device(20), an exhaust pipe(30), and a blower(40). The gas leakage sensor is installed around a gas combustor(50) and senses leaked gas. The gas leakage automatic blocking device is installed at a pipe so that gas supplied to the gas combustor is blocked when the gas leakage sensor senses the leaked gas. The exhaust pipe is installed around the gas combustor so that the exhaust pipe is connected to the outside. The blower is installed at the exhaust pipe and exhausts the leaked gas through the exhaust pipe.
Patent KR-20130045449-A (KR)
Title: An apparatus for eliminating the solidifying of inner piping
Inventor: PARK SU WOOK
IPC: B08B3/02
Filed: 2011-10-26
Abstract: PURPOSE: A device for removing coagulation inside a pipe is provided to remove by converting the coagulation of a pickling agent through an effect of steam and water, using physical and chemical properties of the pickling agent. CONSTITUTION: A device for removing coagulation inside a pipe comprises a supply unit(100) and a removing unit(200). A flexible spring tube hose(110) which sprays steam and water is wrapped to the supply unit. The removing unit is fixed to a transfer pipe. The removing unit guides the front end portion of the flexible spring tube hose inside the transfer pipe and removes the coagulation coagulated inside the transfer pipe.
Patent KR-20130047827-A (KR)
Title: Method for selecting a language and recording medium
Inventor: BAEK SANG JU
IPC: G06F17/21
Filed: 2011-11-01
Abstract: PURPOSE: A language selection method and a recording medium are provided to automatically convert a language with a reasonable method when characters are inputted or are searched for in a program, thereby enabling a user to select and use the language. CONSTITUTION: A search function starts at a position of a pointer or on a screen. Characters are determined at the position or on the screen. A language of the characters is determined and selected. When two or more languages exist, the language of the characters is selected as a language in which a share is over a predetermined range.
Patent KR-20130048112-A (KR)
Title: Extension type multistage antenna
Inventor: PARK SEUNG KYO
IPC: H01Q1/24
Filed: 2011-11-01
Abstract: PURPOSE: An expandable type multi-stage antenna is provided to facilitate protrusion formation by contracting an antenna with multi-stage rods and to increase elasticity. CONSTITUTION: A plurality of rods(10a,10b,10c) have different pipe diameters. The rods is inserted and engaged in order of the pipe diameter. A flat spring in a hollow shape has a curved unit(21). A protrusion(14) pressurizes the curved unit. The other rod externally inserted into a rod fixing the flat spring.
Patent KR-20130048363-A (KR)
Title: Compositions for treatment or prevention of cancer comprising extract of chrysanthemum indicum as active ingredient
Inventor: AHN KWANG SEOK
IPC: A61P35/00
Filed: 2011-11-02
Abstract: PURPOSE: A composition containing a Chrysanthemum indicum extract for preventing or treating cancer is provided to suppress STAT3 signal transduction. CONSTITUTION: A composition for preventing or treating prostate cancer or multiple myeloma contains a Chrysanthemum indicum extract as an active ingredient. The extract is prepared using methanol, ethanol, acetone, ethyl acetate, hexane, butanol, methylene chloride, water, or a mixture thereof. The extract suppresses STAT3 activity and JAK1 and JAK2 phosphorylation.
Patent KR-20130049605-A (KR)
Title: Contactor for electric conductor contact
Inventor: SONG KAB YOUNG
IPC: H05K1/18
Filed: 2011-11-04
Abstract: PURPOSE: A contactor for electrical conductor contact is provided to stably connect a contact target conductor to a printed circuit board by forming a protruding contact part in a given area of the top plate of a contactor body. CONSTITUTION: A specific portion in the top plate of a contactor body(10) is protruded for forming a protruding contact part(20) which contacts with a target conductor. The both sides of the left end part in the bottom plate of the contactor body are extended upwardly for forming protection wings(30). The protruding contact part is protruded to have a half-oval shape or hemi-spherical shape. The left end part in the top plate has a bent part(40) which is bent upwardly. A contact target conductor is electrically connected to a printed circuit board through the protruding contact part and the contactor body.
Patent KR-20130056110-A (KR)
Inventor: LEE SEUNG YUP
IPC: H01L31/042
Filed: 2011-11-21
Abstract: 실시예에 따른 태양전지 모듈은 기판; 상기 기판의 상면에 위치하고, 다수 개의 태양전지들을 포함하는 태양전지 패널; 상기 태양전지들 중 하나와 접속되며, 상기 태양전지 패널 상에 위치하는 버스 바를 포함하고, 상기 기판의 가장자리에 홈이 위치한다.
Patent KR-20130057530-A (KR)
Title: Vehicle battery cooling system
Inventor: KIM BYUNG JOO
IPC: H01M10/613
Filed: 2011-11-24
Abstract: PURPOSE: A battery cooling device for vehicles is provided to improve the cooling efficiency of a battery by increasing contact area with the battery without the increase of a whole coolant amount, and the increase of inner volume. CONSTITUTION: A battery cooling device for vehicles comprises: first and second header tanks which are spaced from each other; an inlet pipe and an outlet pipe in which a thermal exchange medium flows in and out; a plurality of tubes(300) each of which has both ends fixed to the first and second header tanks, and are separated in a longitudinal direction of the first header tank; and a tube bracket(400) which is extended in a longitudinal direction of the tubes to mount the tubes. A battery is mounted on one side of the tubes. The width of one side on which the battery is mounted is wider than the width of the opposite side.
Patent KR-20130058288-A (KR)
Title: 압출기 다이 노즐부의 지스러기 제거 장치 및 방법
Inventor: KIM SANG YOUL
IPC: B29C47/80
Filed: 2011-11-25
Abstract: 본 발명은 플라스틱 컴파운딩을 위해 일축압출기(single screw extruder) 또는 이축압출기(twin screw extruder)로 압출가공시 스트랜드(strand) 다이(die) 노즐(nozzle)부에서 발생하는 공정 찌꺼러기인 지스러기(remnants)의 제거방법에 관한 것으로, 더욱 자세하게는 컴파운딩된 플라스틱 재료가 압출되어 나오는 다이 노즐부에 생성, 성장하는 지스러기에 압축공기의 압력과 분사 시간을 조정하여 분사시켜 지스러기를 강제로 냉각시키고, 연속으로 제거하는 장치와 방법에 관한 것이다.
Patent KR-20130059743-A (KR)
Title: Washing dryer using carbon heating unit
Inventor: LIM CHAE HO
IPC: D06F58/28
Filed: 2011-11-29
Abstract: PURPOSE: A laundry dryer using a tubular heating device with a carbon heater is provided to dry laundry without high power consumption. CONSTITUTION: A laundry dryer includes a tubular heating device(112) generating hot air, a temperature control device(114) controlling the temperature of the tubular heating device, a time control device(116) controlling the time of the temperature control device, wires, and a cord(118) supplying electricity to the time control device.
Patent KR-20130060516-A (KR)
Title: Humannoid system based on motion capture
Inventor: EUN JIN HYUK
IPC: B25J13/08
Filed: 2011-11-30
Abstract: PURPOSE: A humanoid system based on the motion capture is provided to efficiently supply services such as a home security being supplied in an existing home network service to a desired place and shape. CONSTITUTION: A humanoid system based on motion capture comprises a user terminal(10) and a control unit. The user terminal is installed in a remote place, simplifies the images by recognizing the motion of a user as a plurality of points, and includes a predetermined program generating an image data according to the motion of the user. The control unit includes a power unit, a data receiving unit, a motor unit, a sensor unit, and a controller. The control unit allows a robot to perform specific movements by selectively driving a motor equipped on each joint based on the image data from the data receiving unit.
Patent KR-20130061540-A (KR)
Inventor: JUNG KWANG MO
IPC: G06F3/048
Filed: 2011-12-01
Abstract: 제어 대상 장치가 제어 장치에 의해 제어되는 그래픽 사용자 인터페이스를 제공하는 방법으로서, 극좌표상에서 중심점을 회전하는 방향으로 복수의 메뉴를 배치하는 단계, 제어 장치의 제어 신호를 수신하여 그래픽 사용자 인터페이스에서 이동할 이동 회전각과 이동 거리를 계산하는 단계, 그리고 복수의 메뉴 중에서 이동 회전각과 이동 거리에 대응하는 메뉴를 선택하는 단계를 포함한다.
Patent KR-20130061985-A (KR)
Title: Depth-adjustable swimming pool
Inventor: CHOI CHANG HO
IPC: E04H4/14
Filed: 2011-12-02
Abstract: PURPOSE: A depth-adjustable swimming pool is provided to be utilized for other purposes by firmly covering a swimming pool with a floor when the swimming pool is not in use. CONSTITUTION: A depth-adjustable swimming pool(1) comprises an elevation floor(100) and a water tub(200). The elevation floor comprises a floor body(110) and an exhaust unit(150). The floor body is opened by the lower side and is equipped with an air outlet in the upper center. The exhaust unit is joined to the air outlet for opening and closing the air outlet. The water tub comprises an air supply unit. The air supply unit supplies air into water(W) from the center of a bottom surface(202).