baber/WOPTO huggingface dataset:
Patent KR-20090032995-A (KR)
Title: Liquid crystal, and liquid crystal material combination and liquid crystal display each containing the same
Inventor: CHIA HSUAN PAI
IPC: C09K19/02
Filed: 2008-09-11
Abstract: A liquid crystal is provided to improve the optical performance of LCD such as transmittance by selecting liquid crystal materials having specific properties. A liquid crystal display comprises the first substrate(211), the second substrate(213), a plurality of liquid crystal molecules(11) sealed between the first substrate and the second substrate. The liquid crystal molecule has (i) dielectric anisotropy(Deltaepsilon) having c -2.5 to about -5; (ii) splay elastic modulus(K11) having the range of about 1.1x10^(-11) N to about 1.6x10^(-11) N; (iii) bending elastic modulus(K33) having the range of about 1.1x10^(-11) N to about 1.6x10^(-11) N; and (iv) the relation between K11(N) and K33(N).
Patent KR-20100033139-A (KR)
Title: Coater
Inventor: LEE JUN SEOK
IPC: G02F1/13
Filed: 2008-09-19
Abstract: PURPOSE: A photosensitive solution coater is provided to easily setting work for horizontality of a nozzle support material combined with a slit nozzle and to increase precision. CONSTITUTION: A photosensitive solution coater comprises a worktable(1), pillars(7,9) which is coupled with the worktable and spaced in a certain distance, vertical drivers(11,13) coupled with each pillar, a nozzle support material(19) moved in a vertical direction by driving vertical drivers, a slit nozzle(21) which is coupled with the nozzle support material and discharges a drug solution on a substrate; and displacement difference control units(15,17).
Patent KR-20100033641-A (KR)
Inventor: SUN JONG WON
IPC: H01L21/30
Filed: 2008-09-22
Abstract: PURPOSE: A method for wafer recycling of a semiconductor device is provided to repair a defect on the surface of wafer by applying a hydrogen annealing process after the wafer to wafer bonding. CONSTITUTION: A wiring and an interlayer dielectric layer are formed in a semiconductor substrate including a transistor. A donor wafer is prepared. The donor wafer is formed with crystal form silicon. A hydrogen layer is formed inside the donor wafer. A first photo diode is formed inside the donor wafer. The first photo diode and the donor wafer(300) are separated from a hydrogen layer. The first photo diode and the semiconductor substrate are bonded. In this case, the first photo diode and wiring are connected. An annealing process is applied to donor wafer separating.
Patent KR-20100038007-A (KR)
Title: Microfluidic structure for multi-assay and microfluidic device comprising same
Inventor: LEE JUNG NAM
IPC: G01N35/00
Filed: 2008-10-02
Abstract: PURPOSE: A microfluidic structure is provided to save an inner space and samples by analyzing various kinds of target materials through one time reaction and to be used as a process control. CONSTITUTION: A microfluidic structure comprises: a plurality of sample chambers; a reaction chamber in which two kinds of materials specifically reactive with two kinds of target materials; a detection chamber connected to the reaction chamber; passages connected to the chambers; and a valve for opening and shutting the passages. The material specifically reactive with two kinds of target materials is selected from the group consisting of protein, antigen, antibody, enzyme, DNA, PNA, RNA, hormone and chemical substance.
Patent KR-20100038479-A (KR)
Title: 축열식 전기스팀보일러
Inventor: YOO GEUN SU
IPC: F24H7/00
Filed: 2008-10-06
Abstract: 본 발명은 축열용 전기 스팀보일러 에 관한 것으로 상세하게는 원형의 보일러 내통 속에 히터봉을 설치하고 탱크 내에 열매체 를 가열 저장 한곳에 다수 개에 관로를 형성 연결하여 관로 내에 인라인 믹서를 설치 관로 내에 여러 개의 엘레멘트가 좌우방향의 연속으로 고정되어 관로를 따라 흐르는 유체를 난류유체로 변환시켜 주면서 통과 중에 연속적인 교반을  일으켜 효과적으로 탱크 가해진 열을 빠르게  흡수하여 히터로 가열된 탱크 내에 열기를 순간적으로 고온의 온수나 스팀으로 사용할 수 있도록 한 것으로  적은 량의 전기로 고압의 스팀을 필요한 양만큼 생성할 수 있도록 한 것으로, 보일러의 설치 및 이동이 편리하고, 보일러의 가동 대기 시간을 단축하고 난류유체 형성으로 스팀 생산시 발생할수 있는 퇴적물 (실리카 ,석회석)을 방지할 수 있으며 보일러에 수부를 제거 하므로 써 불필요한 물의 가열을 방지 보일러 가동에 소요되는 에너지를 절약할 수 있도록 발명된 것이다. 
       
     열매체유 스팀보일러 히터 스팀발생기  스팀
Patent KR-20090053681-A (KR)
Inventor: PARK JAE SUNG
IPC: G02F1/13357
Filed: 2008-10-07
Abstract: 본 발명은 액정표시장치에 관한 것으로서, 특히 광학시트가 열에 노출된 경우 타 구성 요소의 구속없이 자유로이 팽창하고 수축하여 주름 발생이 최소화됨으로써 화면 표시 품질이 향상되는 액정표시장치에 관한 것이다. 이러한 본 발명은, 액정패널; 상기 액정패널에 광을 공급하는 광원; 상기 광원으로부터 방출되는 광을 변환하여 액정패널에 공급하는 광학시트; 상기 광학시트의 상면 테두리를 덮도록 배치된 더미시트; 상기 액정패널이 안착되는 단턱부가 형성되며, 상기 단턱부가 형성된 영역의 하부에는 상기 광원과 광학시트가 배치된 메인서포트; 상기 더미시트의 상면과 메인서포트의 단턱부에 함께 부착된 차광테이프; 에 의해 달성된다. 
       
     액정표시장치, 광학시트, 주름 방지
Patent KR-20100039993-A (KR)
Inventor: PANG DONG HWAN
IPC: A45D44/14
Filed: 2008-10-09
Abstract: 본 발명은 바이스를 통해 작업대에 고정되는 고정구의 하단으로부터 볼트봉과 구면체를 구비한 고정편을 결합하면서 내주면에 너트를 형성한 레버와 다수의 절취홈을 구비한 지지봉을 차례로 결합하고 상기 고정편의 상단에 경사면을 구비한 가이더를 위치시키면서 볼트로 고정하여 구성함으로써 레버로 지지봉을 위쪽으로 이동시키는 중에 가이더에 의해 직경이 벌려지면서 위에 끼워지는 이미용 실습용 헤드 마네킹을 안정되게 지지할 수 있도록 한 이미용 실습용 헤드 마네킹의 고정장치에 관한 것이다. 
     상기의 본 발명은, 
     본 발명은 하단 손잡이를 통하여 높낮이가 조절되는 바이스의 볼트를 통해 작업대에 고정구를 안정되게 고정시키도록 한 이미용 실습용 헤드 마네킹의 고정장치에 있어서, 
     상기 고정구의 하단으로부터 볼트봉이 끼워지면서 아래쪽의 구면체에 의하여 방향을 임의로 조절할 수 있도록 한 고정편과, 
     상기 고정편의 볼트봉에 내주면의 너트를 통하여 결합되면서 상하로의 이동이 가능한 레버와, 
     상기 레버의 위쪽에 끼워지면서 레버에 의해 상하로 이동하며 다수의 절취홈을 구비한 지지봉과, 
     상기 고정편의 상단 볼트공에 결합되는 볼트에 의해 고정되며 상광하협형의  경사면을 따라 상기의 지지봉이 상하로 이동하도록 하는 가이더들로 구성함으로써 작업대에 고정한 고정장치에 여러 나라의 제작사에 따라 고정용 결합공의 직경이 상이한 이미용 실습용 헤드 마네킹을 안정되게 지지할 수 있음은 물론, 지지한 상태에서 레버를 통해 단단하게 고정할 수 있어 가발을 손질하는 중에 헤드 마네킹이 움직임에 다른 불편을 해소할 수 있도록 구성함을 특징으로 한다. 
       
     바이스, 고정편, 볼트봉, 레버, 지지봉, 절취홈, 가이더, 경사면
Patent KR-20100043713-A (KR)
Title: Composition for whitening containing extract of solanum integrifolium
Inventor: KIM EUN KI
IPC: A61Q19/02
Filed: 2008-10-21
Abstract: PURPOSE: A whitening composition containing Solanum integrifolium is provided to suppress melanogensis and to ensure whitening effect without cytotoxicity. CONSTITUTION: A whitening composition contains Solanum integrifolium extract. A method for preparing the Solanum integrifolium extract comprises: a step of washing Solanum integrifolium with water and drying; a step of extracting the Solanum integrifolium in an extractor at proper temperature; and a step of filtering and concentrating with a vacuum evaporator. The Solanum integrifolium extract is isolated using water, low alcohol of 1-4 carbon atoms or mixture solvent thereof. A cosmetic composition contains Solanum integrifolium extract and dermatologically acceptable carrier.
Patent KR-20100045124-A (KR)
Title: Sputter tray moving system
Inventor: KIM YANG SOO
IPC: H01L21/68
Filed: 2008-10-23
Abstract: PURPOSE: A sputter tray transfer system is provided to prevent particle generation on a substrate by maximizing frictional braking force during moving or stopping when a sputter tray is transferred. CONSTITUTION: A sputter tray transfer system comprises a guide(110), a pulley(150), and a buffer member(120). The guide is positioned under a sputter tray(100). The guide has a groove. The pulley engages with the groove of the guide. The buffer member is arranged between the sputtering tray and the guide.
Patent KR-20090042732-A (KR)
Title: Glass for information recording medium substrate, glass substrate for magnetic disk and magnetic disk
Inventor: NAKASHIMA TETSUYA
IPC: C03C3/093
Filed: 2008-10-24
Abstract: Glass for information recording medium substrate, glass substrates for magnetic disc and magnetic disc are provided to prevent a thin film formed on a substrate from being peeled off without chemically reinforcing treatments. Glass for information recording medium substrate comprises 61-66 mole% of SiO2, 11.5-17 mole% of Al2O3, 8-16 mole% of Li2O, 2-8 mole% of Na2O, 2.5-8 mole% of K2O, 0-6 mole% of MgO, 0-4 mole% of TiO2 and 0-3 mole% of ZrO2. The contents of Al2O3·¢MgO·¢TiO2 are 12 mole% or greater. The contents of Li2O·¢Na2O·¢K2O are 16-23 mole%. If the glass for information recording medium substrate contains B2O3, the contents of B2O3 are 1 mole% or less. If the glass for information recording medium substrate contains one or more alkaline earth metal oxide selected from the group consisting of CaO, SrO and BaO, the contents of the alkaline earth metal oxide are 1 mole% or less.
Patent KR-20100046293-A (KR)
Inventor: JUNG JAE KAP
IPC: G01R15/18
Filed: 2008-10-27
Abstract: 본 발명은 N 단자와 X 단자가 구비된 전압변성기 비교기를 이용한 커패시터와 인덕터의 절대 평가장치에 있어서, 교류전압을 인가하는 교류 전압원; 및 교류 전압원과 순차적으로 직렬연결된 제 1 소자 및 제 2 소자;를 포함하여 이루어지고, 제 1 소자 및 제 2 소자 중 어느 하나는 저항이고, 다른 하나의 소자는 커패시터 또는 인덕터이며, 제 1 소자는 N 단자와 X 단자 사이에 전기적으로 연결된 것을 특징으로 하는 전압변성기 비교기를 이용한 커패시터와 인덕터의 절대 평가 시스템 및 평가방법을 구현한 바, 전압변성기 비교기를 이용하여 교류 60Hz의 정격전압에서 커패시터와 인덕터를 절대 측정할 수 있으므로, 등가 회로 및 전압벡터도 분석에 의한 전압변성기 비교기에서 저항값의 변화에 따라 위상 오차를 측정하여 시료의 커패시턴스와 인덕턴스를 측정할 수 있는 효과가 있다. 
       
     커패시터, 인덕터, 전압변성기 비교기, 절대 평가
Patent KR-20100054644-A (KR)
Title: Apparatus for sensing rotation of a scanner
Inventor: YEO IN JAE
IPC: H04N1/024
Filed: 2008-11-14
Abstract: PURPOSE: A revolution sensing apparatus of a scanner is provided to make the rotation detection of the high speed / high accuracy by connectedly rotating the scanner. CONSTITUTION: A light emitting unit is located in the single-side of a photo interrupter(120). A light receiving unit(122) is located in the other side of the photo interrupter. The photo interrupter outputs the electric signal comparing to receive radiation intensity. A light blocking plate(130) revolves by a coupling of a rotation shaft(110) of a scanner on a task plane crossing lighting-emitting area and photo diode interval.
Patent KR-20100057387-A (KR)
Title: Printing method in direct printing mechanism and image forming apparatus for accomplishing the method
Inventor: LIM SEONG TAEK
IPC: G03G15/00
Filed: 2008-11-21
Abstract: PURPOSE: A printing method in a direct printing method and an image forming apparatus using the same are provided to lower highest moment current by driving a plurality of ring electrodes with time difference when an image forming one line is printed. CONSTITUTION: An image density according to each line is calculated from image data to be printed(S1). If the image data to be printed is saved within a computer, the image data is transmitted from the computer to an image forming apparatus. According to the calculated image density, grouping or non-grouping of a plurality of ring electrodes is decided through each line(S2). According to each line, the ring electrodes is driven according to individually or each group on staggered state(S3).
Patent KR-20100060884-A (KR)
Title: Apparatus and method for multi-view video transmission and reception
Inventor: KIM NAC WOO
IPC: H04N21/2343
Filed: 2008-11-28
Abstract: PURPOSE: An apparatus and a method for multi-view video transmission and reception are provided to restore decoded composite image in video restoration unit with restoration of composite 2D image composited in receiving terminal by transmitting 2D image, 3D image with stereo base, or 3D image with multi-view base to a 2dD based composited image with the format additional information about the composited image through a video composition unit. CONSTITUTION: A video composition unit(100) composites a 2D input image, a stereo based 3D input image or a multi-view 3D input image from a 2D image format. A format additional information generator unit(110) generates the PSI(Program Specific Information). Encoders(120,130) process each packet stream. A multiplexer(140) multiplexes each packet stream and the PSI as one transport stream.
Patent KR-20100063165-A (KR)
Title: Modular battery pack
Inventor: HWANG HAE ROUNG
IPC: H01M2/20
Filed: 2008-12-03
Abstract: PURPOSE: A module battery pack is provided to use the battery pack as one standard battery pack by combining multiple module battery packs with a constant capacity. CONSTITUTION: A module battery pack(100) comprises the following: a battery cell to store the electricity; outer cases(110,112) storing the battery cell; a positive and a negative terminals protruded from the outer cases; and a coupling unit separately combined with the positive and the negative terminals. The positive and the negative terminals comprise a connection unit connected with the battery cell, and a protrusion unit projected from the connection unit.
Patent KR-20100067963-A (KR)
Title: Apparatus for substrate transfer
Inventor: JANG DAE HYUN
IPC: B65G39/06
Filed: 2008-12-12
Abstract: PURPOSE: A substrate transport apparatus is provided to release impact generated in the loading of substrates or vertical impact applied on the substrate, since the elastic member supports a roller conveyer transferring the substrate. CONSTITUTION: A substrate transport apparatus comprises a roller conveyer and an elastic member. The roller conveyer comprises multiple rotary rollers(12) and transfers a substrate(S). The elastic member supports the rotary roller. The elastic member is a coil spring(13) formed on the lower part of the rotary roller. The rotary roller transfers the standup substrate.
Patent KR-20100053395-A (KR)
Title: Continous-type auto microwave-melting sarira device
Inventor: YOON CHUNG SEOP
IPC: F23G1/00
Filed: 2008-12-22
Abstract: PURPOSE: An automatic continuous melting apparatus for producing crystals from the remains using microwave is provided to prevent the ashes of a dead body mixed with those of another dead body. CONSTITUTION: An automatic continuous melting apparatus for producing crystals from the remains using microwave comprises the steps of: crushing the remains into the ashes, removing iron powder from the ashes using a strong magnetic field, melting the ashes at high temperature in a furnace, cooling the melt for 5~15 minutes, and forming the cooled material into circular crystals in a post-treatment device.
Patent KR-20100074549-A (KR)
Title: A apparatus of preventing the ignition
Inventor: RYU SEONG YUN
IPC: B65D90/48
Filed: 2008-12-24
Abstract: PURPOSE: A natural ignition preventing apparatus of sealed storage is provided, which can prevent generation of the fire and keep raw material safely. CONSTITUTION: A natural ignition preventing apparatus of sealed storage comprises: an infrared camera(10) which is installed inside a storage(1) and watches the raw material pile(2) loaded within the sealed storage; a gas detection sensor(20) which is installed inside the sealed storage, and senses the component of the gas of the storage; a showerhead(40) which is installed inside the storage and sprays the fire-extinguishing fluid; a fire-extinguishing fluid spraying instrument(30); and a controller(70) controlling the operation of showerhead and movable part.
Patent KR-20100074696-A (KR)
Title: Pavement method of a road on the bridge by using modified sulfur binder
Inventor: CHOE MUN SON
IPC: E01C7/00
Filed: 2008-12-24
Abstract: PURPOSE: A pavement method for a road on a bridge using a modified sulfur binder is provided to improve the service life of a bridge even if the bridge is sagged or is exposed to severe weather. CONSTITUTION: A pavement method for a road on a bridge using a modified sulfur binder is as follows. A concrete structure(100) is formed as an upper plate of a bridge. A first adhesive layer(110) is formed between a waterproof layer(120) and the concrete structure. A second adhesive layer(130) is formed between the waterproof layer and a base layer(140). A modified sulfur binder layer is formed between the concrete structure and the base layer and blocks rainwater. A tag coating layer(150) is formed on the base layer in case a surface layer(160) is composed of asphalt concrete.
Patent KR-20100077496-A (KR)
Title: Back-light assembly and display apparatus having the back-light assembly
Inventor: LEE JANG HOON
IPC: G02F1/13357
Filed: 2008-12-29
Abstract: PURPOSE: A back-light assembly and a display device having the back-light assembly are provided to remove obscure ray which is neighbor to light source cover light guiding unit. CONSTITUTION: A light source cover light guide unit(130) of a light guide unit(100) is projected on the other side of a light guide body(110). A first light source unit(200a) is arranged to be opposite to an incident light guide unit(120). A first light generating unit provides a first light to the incident light guide unit. A second light source unit(200b) is arranged in lower part of the light cover light guide unit. The second light generating unit provides a second light to the light cover light guiding unit. A semi-transmission sheet(410) transmits the second light to the light cover light guiding unit.
Patent KR-20100078695-A (KR)
Title: An aquous detergent composition for flat panel display device and a cleaning method of flat panel display device
Inventor: BANG SOON HONG
IPC: C11D3/30
Filed: 2008-12-30
Abstract: PURPOSE: An aqueous detergent composition and a cleaning method of a flat panel display using thereof are provided to prevent the corrosion of aluminum and an aluminum alloy wire formed on a substrate, and to easily facilitate the composition. CONSTITUTION: An aqueous detergent composition for a flat panel display contains a basic compound, organic phosphoric acid, a carboxyl-based copolymer or its salt, alkanol amine salt, and water. The carboxyl-based copolymer or its salt includes a structure unit marked with chemical formula 1. In the chemical formula 1, R1~R3 are a hydrogen atom, a methyl group, an ethyl group, or (CH2)m2COOM2. M1 and M2 are the hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium group, an alkyl ammonium group, or a substituted alkyl ammonium group.
Patent KR-20100078979-A (KR)
Title: A device for obtaining multi-wavelength and view image using focus arrangement image detector
Inventor: SON JUNG YOUNG
IPC: G01S13/89
Filed: 2008-12-30
Abstract: PURPOSE: A device for obtaining multi-wavelength and multi-view image using a focus-arrangement image detector is provided to measure a distance and a relative position between objects in an image by obtaining multi-view image. CONSTITUTION: A device for obtaining multi-wavelength and multi-view image using a focus-arrangement image detector comprises first, second, and third horn-shaped antennas(20,20',20''). The first, second, and third horn-shaped antennas are arranged on a focus plane of an antenna(10) and are used as an image sensor. Millimeter wave energy flowing in the same direction as an antenna shaft is input to the first horn-shaped antenna. Millimeter wave energy which is at a plus angle to the antenna shaft is input to the second horn-shaped antenna. Millimeter wave energy which is at a minus angle to the antenna shaft is input to the third horn-shaped antenna.
Patent KR-20080025145-A (KR)
Title: Tag multiplication
Inventor: SAARISALO MIKKO
IPC: H04B5/00
Filed: 2006-03-01
Abstract: An intelligent antenna system is disclosed for extending the effective communication range of a machine-readable tag. The system includes intelligence that allows one of a plurality of extension antennas to be active at any given time in order to both facilitate communications and safeguard the system. In a further embodiment of the invention, the machine-readable tag includes combined RFID and NFC functionality where both RFID listening functions and NFC read-write functions are to be available in the same NFC communications logic. The NFC communications logic chip is selectively connected to a first antenna coil for RFID operations and a second for NFC operations. ® KIPO & WIPO 2008
Patent KR-20080027869-A (KR)
Title: Shift control device for working vehicle
Inventor: HIGAKI MASAMI
IPC: F02D45/00
Filed: 2006-07-20
Abstract: A shift control device for a working vehicle having a stepped automatic transmission has a control device for controlling both the rotation speed of an engine and the stepped automatic transmission of the vehicle, a forward-reverse switchover member for outputting a forward-reverse switchover command of the working vehicle, and an operation amount detection device for detecting the amount of operation of an accelerator pedal of the working vehicle. When the forward-reverse switchover command is outputted by the forward-reverse switchover member, the control device performs forward-reverse switchover control of the stepped automatic transmission and controls the rotation speed of the engine so that the rotation speed is gradually reduced to a target lower limit value set such that a turbine runner of a torque converter of the working vehicle is not reversely rotated. ® KIPO & WIPO 2008
Patent KR-20080033412-A (KR)
Title: Sheet glass stove
Inventor: ENGELS AXEL
IPC: C03B29/08
Filed: 2006-07-13
Abstract: The invention relates to a sheet glass stove, in particular for tempering glass panes comprising a lower stove part (1) provided with stove rollers (6) for transporting the temperable glass panes, wherein the axes of rotation of said stove rollers (6) are arranged substantially in a perpendicular position to the direction of a glass pane extension. The stove also comprises a top stove part (2) consisting of a central section (3) and a lid (4). Said stove also provided with lower heating groups (8) and top heating groups (10), wherein said heating groups (8) are extended under the stove rollers (6) and the top heating groups (10) are extended thereabove and are formed by electric heat resistances. The inventive sheet glass stove comprises several air circulation units (11), which are mounted in the top stove part (2) above the top heating groups (10) and comprise an air circulating hood (12) and an integrated fan wheel (14), respectively, wherein said air circulating hood (12) is provided with exhaust openings (19), which communicate with the stove lower space in the top section of the top stove part (2), and several air nozzles (17) located on the bottom side of the air circulating hood (12) are supplied with compressed air by the fan wheel (14) and lead a coming out air stream in the direction of a heatable glass pane.
Patent KR-20080035641-A (KR)
Title: System and method for synchronization between a plurality of base stations and mobile station in upstream link radio transmission
Inventor: KOYANAGI KENJI
IPC: H04B7/26
Filed: 2006-08-22
Abstract: There is provided a radio communication system in which a mobile station which has decided to switch a base station can immediately be synchronized with the base station to which switching is to be made. Each of the base stations creates a synchronization signal for the mobile station to synchronize with the base station from an upstream pilot signal received from the mobile station, creates upstream propagation quality information from the upstream pilot signal, and creates a downstream control signal including the synchronization information and the upstream propagation quality information, and transmits them. The mobile stations creates an upstream pilot signal, transmits the signal, receives a signal including a downstream control signal from each of the base stations, extracts the upstream propagation quality and information on synchronization with the base stations from the received downstream control signal, and selects an optimal base station from the received upstream propagation quality as a new current base station. If the selected base station is different from the current base station, the transmission timing of the upstream pilot signal is modified to the transmission timing based on the synchronization information extracted from the downstream control signal of the selected base station and transmitted.
Patent KR-20080032202-A (KR)
Title: Coaxial connector
Inventor: DUQUERROY PATRICK
IPC: H01R13/646
Filed: 2006-06-21
Abstract: The present invention relates to a coaxial connector (100) for connecting a first printed circuit board (1) to a second printed circuit board (2) and which comprises an inner conductor (3), an outer conductor (4) and a dielectric (5). In order to improve a generic connector (100) of the aforementioned type such that the distance between two printed circuit boards (1, 2) which are to be connected together can be reduced, the inner conductor (3), the outer conductor (4) and the dielectric (5) are compressible.