baber/WOPTO huggingface dataset:
Patent KR-20020079961-A (KR)
Title: 상호 위치를 검출하는 두 부분 변위 장치
IPC: G12B5/00
Filed: 2001-12-13
Abstract: 위치 선정 장치는 제 2 부분(2)에 대해 X 및 Y 방향으로 이동할 수 이쓴ㄴ 제 1 부분을 갖는다.  상기 제 1 부분(1)은 마그네트들의 시스템(3)이 X- 및 Y-방향과 각각 평행한 행들(7) 및 열들(8)의 패턴으로 배열된 캐리어(5)를 포함한다.  각 행 및 열 내의 마그네트들은 할바크 어레이 내에 배치되는데, 즉 각 행(7) 및 각 열(8) 내의 각 연속 마그네트의 자화 방향이 90도 시계 방향으로 회전된다.  제 2 부분(2)은 2가지 유형의 전기 코일들(C 1 , C 2 )을 갖는 전기 코일들의 시스템(4)을 포함하고, 그 한 유형은 X-방향에 대해서 +45도 각의 오프셋을 갖고, 다른 유형은 -45도의 오프셋을 갖는다.  마그네트 구성은 매우 강한 자계를 일으킬 수 있다.  위치 선정 장치는 제 2 부분의 전기 코일들에 대한 제 1 부분의 영구 마그네트의 국부적 상호 위치에 의존하는 신호를 두 부분들이 중첩하는 영역 내에 공급하는 복수의 자계들에 반응하는 센서들(홀 센서들(45))을 포함한다.
Patent KR-20020089372-A (KR)
Title: 알파-2 길항제로서의 퀴놀린 유도체
IPC: C07D215/48
Filed: 2001-02-28
Abstract: 본 발명의 목적은 알파-2 길항제들이 유용한 말초 및 중추신경계의 질환과 조건의 치료에 사용될 수 있는 알파-2 아드레노수용체의 길항제를 제공하는 것이다. 따라서, 본 발명의 목적은 인체 및 동물을 포함하는 포유류의 치료에 있어서 알파-2 길항제로서 사용되는 화합물을 제공하는 것이다. 
     본 발명의 다른 목적은 알파-2C 길항제가 유용한 중추신경계의 여러 질병과 조건의 치료에 선택적 알파-2C 길항제로서 유용한 화합물을 제공하는 것이다.
Patent KR-20020087415-A (KR)
Title: 전기 기계의 조립체, 그의 제조 방법, 및 고정자 및회전자를 갖는 전기 기계
IPC: H02K15/02
Filed: 2001-03-08
Abstract: 본 발명은 전기 기계의 회전자 또는 고정자의 코일의 적어도 일부를 제조하는 단계와; 상기 코일의 적어도 일부를 주형내에 위치설정하는 단계로서, 이 중공형 공간은 소조립체의 적어도 일부를 재형성하는, 상기 위치설정 단계와; 상기 주형을 열가소성 합성 피복재를 갖는 연철 입자로 충전시키는 단계와; 상기 연철 입자의 플라스틱 피복재가 연화될때까지 상기 충전된 주형의 열처리 단계와; 상기 충전된 주형을 냉각시키는 단계와; 상기 소조립체를 상기 주형에서 제거하는 단계로 이루어지는 전기 기계의 소조립체 제조 방법에 관한 것이다.
Patent KR-20020096047-A (KR)
IPC: C07C29/136
Filed: 2001-03-23
Abstract: A catalyst (I) comprises 0.01-50 wt.% rhenium and 0-20 wt.% of an additional metal comprising Zn, Cu, Ag, Au, Ni, Fe, Cr or V on an oxidatively pretreated activated carbon support. An independent claim is included for production of alcohols by catalytic hydrogenation of carbonyl compounds by means of a catalyst (I).
Patent KR-20020091187-A (KR)
Title: 습식 와이퍼지 분배 시스템 및 분배기
IPC: A47K10/32
Filed: 2001-04-10
Abstract: 습식 와이퍼지를 분배하고 분배 시스템과 함께 사용되거나 분배 시스템에 사용하기 위한 카트리지가 마련된다.  시스템은 하우징과 트레이와 카트리지를 포함할 수 있다.  카트리지는 내부에 있는 습식 와이퍼지가 향한 소정 방향을 기초로 사전 선택된 방식으로 분배기 내로 삽입될 수 있다.
Patent KR-20040025515-A (KR)
IPC: A46B7/04
Filed: 2001-05-23
Abstract: 본 발명은 교체식 헤드를 가진 칫솔과 그 사용방법에 관한 것으로서, 상기 칫솔은 손잡이 부분의 단부에 있는 환형상 칼러 내에 억지끼워지는 엘라스토머제 결합체에서 마감되는 손잡이 부분을 가지고; 선택된 엘라스토머의 듀로미터에 종속하는 엘라스토머제 결합체는 사용자의 브러싱 힘을 다소(多少) 감쇠시킬 수 있는 것이다.
Patent KR-20040062770-A (KR)
Title: Deflection yoke
Inventor: HA DEOK HO
IPC: H01J29/76
Filed: 2003-01-03
Abstract: PURPOSE: A deflection yoke is provided to prevent a mis-convergence or distortion on a screen by preventing a deformation of ferrite core during molding of ferrite core. CONSTITUTION: A deflection yoke comprises a coil separator for electrical insulation; a horizontal deflection coil mounted on the inner surface of the coil separator, and which deflects electron beams in a horizontal direction by generating a horizontal deflection magnetic field; a vertical deflection coil mounted on the outer surface of the coil separator, and which deflects electron beams in a vertical direction by generating a vertical deflection magnetic field; and a ferrite core(80) mounted on the outer surface of the vertical deflection coil so as to reinforce horizontal and vertical deflection magnetic fields, wherein the ferrite core is constituted by four sides, and has a contraction preventing portion(90) formed selectively on the four sides in such a manner that the contraction preventing portion expands a certain part of the circumference of the ferrite core and prevents contraction during molding.
Patent KR-20040063645-A (KR)
Inventor: KIM SONG HUN
IPC: A63C5/06
Filed: 2003-01-08
Abstract: PURPOSE: A ski having a handle is provided to allow a beginner to ski with ease and offer a user with more improved conveniences since the user can balance itself using a handle. CONSTITUTION: A cuspidal top board(4) has a predetermined width, is curved upward at the front part, and formed along the gliding surface with a projecting part having predetermined length. A handle(1) is transversely fixed and disposed on the top of a handle shaft(5) upright disposed on the center of the top board(4) and control the direction of the top board(4). A fixing device(6) is rotatably disposed on the left and right sides of the rear part of the top board(4). A pair of ski bodies(7) are formed with a projecting part having a predetermined length on the respective gliding surfaces.
Patent KR-20030063149-A (KR)
Title: 병렬형 아날로그 디지털 변환기
IPC: H03M1/36
Filed: 2003-01-15
Abstract: 보간 병렬형 AD 변환기는 스위치가 비교입력단과 기준입력단사이에서 선택적으로 단락 회로화하기 위해 제 1프리증폭기열의 각각의 프리앰프에 설치된 제 1증폭기열 및 부하 트랜지스터, 부하 트랜지스터를 선택적으로 다이오드 접속하는 스위치 및 부하 트랜지스터가 다이오드 접속되어 있을 때 전입을 유지하기 위한 커패시터가 제 2 프리증폭기열의 프리증폭기에 설치된 제 2증폭기열이 구비된다.    제 1프리증폭기열의 각각의 프리증폭기에서 발생하는 오프셋은 리세트 모드와 증폭기모드 사이의 이득차를 사용하는 억제 효과에 의해 억제된다.
Patent KR-20040068741-A (KR)
Inventor: SONG GEUN YEONG
IPC: B29D30/08
Filed: 2003-01-27
Abstract: PURPOSE: A blade for forming a tire kerf is provided to prevent a width of kerf from being shrunk due to wearing a tread away and prevent the kerf formed by a blade from being torn as well as outputting a tire made of a metal mold to keep maintaining function of the kerf. CONSTITUTION: The blade(2) for forming tire kerf includes a main blade(3) of which width of both end sides is getting narrower in a lower direction and connected to inside of a metal mold(1); each sub-blade(4,5) which is installed in both sides of the main blade(3) and operate to go in/out the main blade(3); a push bar(6) which is connected to the inside of the metal mold(1) and width of both end sides is getting narrower downward; and a release spring placed between tilted sides(40,50) of each bus-blade(4,5).
Patent KR-20040071882-A (KR)
Inventor: KIM YONG JEONG
IPC: F16D65/02
Filed: 2003-02-07
Abstract: PURPOSE: A disk brake is provided to use a caliper housing in common for left wheels and right wheels of a vehicle. CONSTITUTION: A disk brake comprises a disk rotating together with left wheels or right wheels of a vehicle; a carrier(20) to which a pair of pads, pressing the disk, are installed; a caliper housing(10) in which a piston is arranged; a knuckle joined to the carrier and arranged outside a driving shaft; and a hydraulic hose(60) guiding braking hydraulic pressure to the caliper housing. The caliper housing is slidably arranged to the carrier. One end of the hydraulic hose is branched to form a branched part(61) to use the caliper housing in common for left wheels and right wheels. A hose-fixing part(17), to fix the branched part, is arranged to the caliper housing.
Patent KR-20040072114-A (KR)
Inventor: KIM HYUN CHUL
IPC: C14C1/00
Filed: 2003-02-08
Abstract: PURPOSE: Provided is a method for manufacturing a downy fur fabric of Swan Down, which is rather lighter, has soft feel, and excellent light-weight, and heat-insulation properties. CONSTITUTION: The method comprises the steps of (i) classifying a raw fur skinned from the Swan Down by rearing period and size, (ii) preserving the raw fur at sub-zero temperature with sprinkling a salt, in order for prevention of deterioration of the raw fur, (iii) raking meat and oil/fat from the raw fur at 3 deg.C or less by using scraper, (iv) sprinkling a salt over the raw fur at 1-8 deg.C and then drying the raw fur, (v) raking the remaining meat and oil/fat from the raw fur to level the raw fur, (vi) soaking the fur in a solution with ratio of the solution to the fur of 80:20, for 16-20 hours, wherein the solution is produced by homogeneously mixing 0.15-0.2 g/l of sodium hydrogen fluorosulfide(NaHS2F4), 0.9-1.5 g/l of sodium hydrogen sulfite(NaHSO4), 0.2-0.4 ml/l of alcoholic penetrating agent, 1.0-1.4 ml/l of at least one surfactant selected from nonionic group consisting of polyoxyethylenealkylphenylether, polyoxypropylenealkylether, and fatty acid glycerin monoester, 28-32 g/l of sodium chloride in water of 5-30 deg.C, (vii) soaking the fur in a solution for 1 hour, so as to chemically dissolve an oil/fat remaining in the fur and remove the oil/fat from the fur, and then washing the fur with clean water so as to remove dirt or fatty substance from the fur, wherein the solution is produced by homogeneously mixing 3-5 g/l of detergent, 0.4-0.6 ml/l of alcoholic penetrating agent, and 1-2 g/l of at least one surfactant selected from nonionic group consisting of polyoxyethylenealkylphenylether, polyoxypropylenealkylether, and fatty acid glycerin monoester in water of 38-40 deg.C, (viii) homogeneously mixing 28-32 g/l of sodium chloride, 38-42 g/l of sodium sulfate(Na2SO4·10H2O), 1-2 g/l of sulfuric acid(H2SO4), and 2-4 g/l of formic acid(HCOOH) in water of 32-35 deg.C to form a solution, and then soaking the fur in the solution for 10-12 hours, (ix) mixing 48-52 g/l of sodium chloride, 0.1-1.0 ml/l of formic acid(HCOOH), and 1-3 g/l of germanium oxide(Ge2O3) in water of 35-40 deg.C to form a mixture, and then soaking the fur in the mixture at pH 3.5-4.2 for 20-30 hours, (x) drying the fur under ventilation condition by moisture content of 70%, (xi) soaking the fur in petroleum solvent for predetermined times, and then completely removing oil/fat and dirt soaked into the fur to obtain a final fur, and (xii) trimming, cleaning, and then storing the downy fur fabric in well-ventilated storehouse.
Patent KR-20040075392-A (KR)
Inventor: PARK SANG MOK
IPC: B60N2/48
Filed: 2003-02-20
Abstract: PURPOSE: A headrest with a kneader for a vehicle is provided to install the kneader to various vehicles by adjusting the gap of a headrest supporting part, to have the stiff shoulder or neck of the passenger massaged by protruding massage projections from the headrest, and to prevent injury from the massage projections by removing massage projections easily or changing the position of the massage projection at a collision. CONSTITUTION: A headrest(100) is composed of a lower frame(105) installed to a seat of a vehicle; an upper frame(110) turned and connected to the lower frame; a turning unit(115) mounted between the upper frame and the lower frame to turn the upper frame; and a kneader(120) combined with the upper frame. The angle of the kneader is changed by turning the upper frame up and down to the lower frame, and the height of the kneader is adjusted conveniently according to the size of the body of the user or the massage portion. Accidents are prevented by turning the upper frame to the right or the left with the turning unit at a collision. Effect of osteopathy is improved by vibrating in turning the rotating projections.
Patent KR-20040079731-A (KR)
Inventor: HAN JONG HWI
IPC: A44C11/00
Filed: 2003-03-10
Abstract: PURPOSE: A mobile phone string having a cosmetic case is provided to allow women to put on partial makeup regardless of time and place as needed by carrying the cosmetic case attached to the mobile phone string. CONSTITUTION: The mobile phone string(2) is prepared by hanging a mobile phone linking string(24) connected with a mobile phone binding string(26) on a ring. Cosmetic cases(10,10a) are constructed by coupling lids(30,30a) with makeup tools to the upper parts of cosmetic containers(20,20a) capable of storing cosmetics and are located at both sides. The lower parts of the cosmetic containers are connected by the linking string(24) with the mobile phone binding string(26). The upper parts of the lids(30,30a) are connected by an intermediate string(38).
Patent KR-20040080154-A (KR)
Inventor: KIM WAN SU
IPC: H01L21/3205
Filed: 2003-03-11
Abstract: PURPOSE: A method for forming a dual damascene pattern of a semiconductor device is provided to improve process margin due to misalignment by forming a metal line in a trench using multiple insulating layers. CONSTITUTION: The first insulating layer(302) is formed on a substrate(301). The second insulating layer(303) with different etching selectivity is formed on the first insulating layer. A contact hole is formed in the first and second insulating layer. A contact plug(305) is formed in the contact hole. An etch barrier layer(307) and the third insulating layer(308) are sequentially formed on the resultant structure. A trench is formed to expose the contact plug by etching the third insulating layer and the etch barrier layer. A metal line(310) is then formed in the trench.
Patent KR-20030041891-A (KR)
Inventor: LEE HYO JIN
IPC: C09K5/06
Filed: 2003-03-21
Abstract: PURPOSE: A polymer resin containing a phase change material and its preparation method are provided, to simplify the manufacturing process of the encapsulated microparticle or a large size of carrier and to enable the polymer resin to be prepared into desired shape and size. CONSTITUTION: The polymer resin is a polymer resin solution comprising a phase change material and a polymer resin, wherein the phase change material is a solid phase and the polymer resin is a liquid phase. The method comprises the steps of spreading a metal thin film or a polymer resin onto the bottom of a mold, pouring the polymer resin solution, and covering a metal thin film or a polymer resin on the polymer resin solution for preventing the phase change material from being exposed.
Patent KR-20040010078-A (KR)
Inventor: MIYAZAKI KATSUMI
IPC: H02P6/08
Filed: 2003-03-27
Abstract: PURPOSE: To provide a driving-device of a motor suitable for a semiconductor integrated circuit by suppressing a clamping current to minimum which is generated at a voltage clamping circuit provided between a source and a gate of an output transistor for a reduced power consumption. CONSTITUTION: The device is provided between the source and the gate of a first output transistor which makes a drive current flow a motor, while connected between a ground and a voltage clamping circuit that relaxes a high voltage generated at the source when both first and second output transistors are off. A constant current circuit acts to process a clamping current with a prescribed micro current in response to a first drive pulse.
Patent KR-20040084220-A (KR)
Inventor: SEO SEUNG WON
IPC: H04B1/40
Filed: 2003-03-27
Abstract: PURPOSE: A wireless communication terminal having a charging device capable of charging by a mechanical operation in an emergency is provided to convert a mechanical energy into an electrical energy, and to convert an AC into a DC to output a certain voltage, then to store an outputted power to supply the power to the wireless communication terminal. CONSTITUTION: A charging device(19) comprises as follows. A mechanical energy generator(24) generates a mechanical energy. A generator(23) converts the generated mechanical energy into an electrical energy, and outputs the converted electrical energy. An AC/DC converter(22) converts an AC outputted from the generator(23) into a DC, and outputs the DC as a certain voltage. A charger(21) stores power outputted from the AC/DC converter(22), and supplies the stored power to a wireless communication terminal.
Patent KR-20040084254-A (KR)
Inventor: KWEN YOUNG EUN
IPC: A23L11/00
Filed: 2003-03-27
Abstract: PURPOSE: A method of making an uncurled bean curd(suntubu) composition using soybeans, Lentinus edodes, seaweeds or acorn powder is provided. The product has good taste and flavor without off-taste and off-flavor. CONSTITUTION: Washed soybeans are added with 3 times water, soaked in for 3 to 13hr and ground while pouring water, followed by filtering. The separated soybean liquid is heated at 100deg.C, cooled to room temperature and added with 5 to 15% by weight of a mixture, based on the weight of the soybeans, followed by filtering to 100meshes or less and sterilizing at 80 to 90deg.C for 30 to 40min. The mixture contains one or more components selected from mugwort, Lentinus edodes, seaweeds(brown algae, kelp and green laver) and acorn powder.
Patent KR-20040084534-A (KR)
Inventor: JUNG GIL SU
IPC: H04N5/93
Filed: 2003-03-28
Abstract: PURPOSE: An apparatus and a method for stopping the reproduction of interactive contents are provided to temporarily stop a multimedia element which is asynchronous with AV(Audio Visual) contents and a multimedia element moved in one frame as well as a multimedia element synchronized to the AV contents. CONSTITUTION: If an interactive control command is a pause command or a stop release command, a reproduction state confirmation API(Application Program Interface) transmitting and receiving unit(212) transmits a reproduction state confirmation API to an AV contents reproduction engine(22) and receives a reproduction state confirmation API including a reproduction state confirmation value from the AV contents reproduction engine. If the interactive control command is the pause command and the reproduction state confirmation value included in the reproduction state confirmation API indicates that the AV contents reproduction engine performs a reproduction operation, a pause/stop release API transmitting unit(213) transmits a pause API to the AV contents reproduction engine and an interactive contents reproduction engine(23). If the interactive control command is the pause command and the reproduction state confirmation value indicates that the AV contents reproduction engine performs the reproduction operation, a still picture/moving picture rendering API transmitting unit(214) transmits a still picture rendering API to a reproduction contents renderer(24).
Patent KR-20040088310-A (KR)
Inventor: KIM KIL YONG
IPC: B27D1/04
Filed: 2003-04-09
Abstract: PURPOSE: Provided is flame resistant plywood, which has excellent flame resistance and strong anti-corrosive property and water resistance. CONSTITUTION: The flame resistant plywood comprises a plywood layer, and flame resistant layers applied on both surfaces of the plywood layer and comprising a flame retardant obtained by stirring stone powder baked at a high temperature of 1300 deg.C with chemical substances. The flame retardant is prepared by the method comprising the steps of: introducing water and sulfur dioxide into a reactor in the ratio of 100:1; baking stone powder at 1300 deg.C; adding 50% caustic soda thereto; stirring sawdust and wheat flour and baking the mixture; and stirring the combined mixture until the ambient temperature reaches 20 deg.C.
Patent KR-20040088819-A (KR)
Inventor: YOO CHAE GON
IPC: G06F15/16
Filed: 2003-04-12
Abstract: PURPOSE: A remote distributed compiler for a program language is provided to enable many users to receive a compile result and an execution result of a program code written by the user through the network without installing the compiler of the program language. CONSTITUTION: At least one or more client computer communicates data through the Internet. At least one or more server includes a web communication tool communicating the data, a compiling tool compiling the program language received through the web communicating tool, a CGI(Common Gate Interface) executing tool executing an execution file generated by the compiling tool, and a converting tool converting the execution result of the execution file executed by the CGI tool into a form to be transmitted through the web communicating tool.
Patent KR-20040091475-A (KR)
Inventor: KOO MIN BON
IPC: F25D17/06
Filed: 2003-04-22
Abstract: PURPOSE: A structure for fixing a lead wire of a fan motor for a refrigerator is provided to prevent deflection of a lead wire due to weight, thereby preventing damage of the lead wire due to contact with another part of the refrigerator. CONSTITUTION: A motor mounting unit(73) is opened to the front to mount a fan motor to be installed inside a refrigerator. A frame(75) is formed outside the motor mounting unit to be fixed at one side of the inside of the refrigerator. A hook(77) is formed to fix a lead wire(69) connected with the fan motor for supplying power and transmitting electric signals to the fan motor.
Patent KR-20040092088-A (KR)
Inventor: LEE CHANG HUI
IPC: F16M11/32
Filed: 2003-04-24
Abstract: PURPOSE: A tripod adaptor is provided to enable rotation of a camcorder camera unit and opening of a deck door in installing a camcorder to a tripod. CONSTITUTION: A tripod adaptor(100) combines a camcorder to a tripod. The camcorder has a camera unit rotatably installed to a camcorder body; a deck door arranged to the lower part of the camcorder body in an opening and shutting state; and a screw-fastening hole formed to the camcorder body. The tripod adaptor comprises an adaptor body(110) having a lower surface(112) combined to the tripod and an upper surface(111) on which the camcorder body is seated, and a fastening screw(120) projected from the upper surface of the adaptor body to be combined to the screw-fastening hole of the adaptor body. A first escape part(116) for preventing interference of the camera unit in the rotation of the camera unit is formed to a camera unit contact part of the adaptor body. A second escape part(117) for preventing interference of the deck door in opening and shutting the deck door is formed to a deck door contact part of the adaptor body.
Patent KR-20040092726-A (KR)
Inventor: EUN YONG SEOK
IPC: H01L21/76
Filed: 2003-04-25
Abstract: PURPOSE: A method for forming a trench isolation layer of a semiconductor device is provided to reduce dip-time and moat by using a stacked multi-pad structure. CONSTITUTION: A first pad oxide layer(33) and a first pad nitride layer(35) are formed on a substrate(31). A second pad oxide layer(37) and a second pad nitride layer(39) are sequentially stacked on the first pad nitride layer. A trench(41) is formed by patterning the stacked multi-pad structure and the substrate. A sidewall oxide layer or liner layers are formed on the trench. Then, a gap-fill oxide layer is formed in the trench and planarized, thereby forming a trench isolation layer.
Patent KR-20040095762-A (KR)
Inventor: AHN CHANG GEUN
IPC: A23B7/10
Filed: 2003-04-28
Abstract: PURPOSE: A method for producing kimchi using chitosan containing yellow soil water extraction liquid is provided, thereby strongly inhibiting distinctive flavor of kimchi, and improving the taste of kimchi. CONSTITUTION: The method for producing kimchi using chitosan containing yellow soil water extraction liquid comprises the steps of: dividing 30 kg of Chinese cabbages; dipping the Chinese cabbage pieces in a mixed solution of water and chitosan containing yellow soil water extraction liquid in a volume ratio of 1:0.1 to 1:0.4 for 10 minutes; adding salts into the Chinese cabbage pieces; dipping the salted Chinese cabbage pieces in a mixed solution of water and chitosan containing yellow soil water extraction liquid in a volume ratio of 1:0.1 to 1:0.5 for 5 minutes, and removing water from Chinese cabbages pieces; spraying a mixed solution of water and chitosan containing yellow soil water extraction liquid in a volume ratio of 1:0.1 to 1:0.5 to the adjuvant materials including Welsh onion and radish and spices and condiments including red pepper powder, garlic and salted fish to prepare kimchi season; inserting the kimchi season into the salted Chinese cabbage pieces; and maturing the seasoned Chinese cabbage pieces.
Patent KR-20040095976-A (KR)
Title: Container on which gold rod or silver rod is mounted and exchangeable easily
Inventor: AN JEONG OH
IPC: C25C7/00
Filed: 2003-04-29
Abstract: PURPOSE: To provide a container in which a gold rod or silver rod is easily exchanged so that the gold rod or silver rod is conveniently mounted on the container and demounted from the container. CONSTITUTION: The container (50) comprises an electrode rod (20) fixed to the container to supply a power source to the inside of the container; a gold rod or silver rod (10) contactly connected to the electrode rod; a bracket (60) for fixing the gold rod or silver rod contactly connected to the electrode rod; and a silicon band (40) for fixing the bracket, wherein protruded projections (30,30') are formed on an end part or upper part of the bracket.