baber/WOPTO huggingface dataset:
Patent KR-20040064511-A (KR)
Inventor: CHO SEUNG U
IPC: C07D209/86
Filed: 2003-01-13
Abstract: PURPOSE: A method for preparing carbazole derivatives is provided, thereby reducing the preparation time and increasing the preparation yield of carbazole derivatives which have improved antihypertensive effect. CONSTITUTION: The method for preparing carbazole derivatives represented by formula (i) comprises the steps of: (a) reacting hydroxycarbazole with epoxide to prepare epoxy carbazole derivatives of formula (ii) in the presence of mixed solvent of organic solvent and distilled water using inorganic base; and (b) reacting the epoxy carbazole derivatives of formula (ii) with a compound of formula (iii) in the presence of mixed solvent of organic solvent and distilled water using inorganic base, organic base or a mixture thereof, wherein R1 is hydrogen, lower alkyl or benzyl, phenylethyl or phenylpropyl; R2 and R3 are the same or different and hydrogen or lower alkyl; X is CH2-, oxygen or sulfur; Ar is phenyl, naphthyl, indanyl, tetrahydronaphthyl, or pyridyl; R4 and R5 are the same or different, and hydrogen or halogen, lower alkyl, aminocarbonyl, hydroxyl, lower alkoxy, benzyloxy, lower alkylthio, lower alkylsulfonyl, lower alkylsulfonyl or methylene dioxy; organic solvent is selected from methanol, acetone, acetonitrile and isopropanol; inorganic base is selected from sodium carbonate, potassium carbonate, potassium hydroxide and sodium hydroxide; and the organic base is triethylamine or diisopropylethylamine.
Patent KR-20040011334-A (KR)
Inventor: CHOI JONG TAE
IPC: H01J29/88
Filed: 2003-01-21
Abstract: PURPOSE: A panel is provided to achieve improved brightness of the image display device and color purity of cathode ray tube. CONSTITUTION: A cathode ray tube has a panel(100) with an inner surface having a constant roughness. The panel has a plurality of black matrix layers(11) formed on the inner surface of the panel, and a phosphor layer(12) interposed between the black matrix layers, wherein the phosphor layer includes a red phosphor(12c), a green phosphor(12b), and a blue phosphor(12a). The panel has a transparent insulating film(17) formed on the inner surface of the panel. The phosphor layer and the black matrix layers are formed on the transparent insulating film. The transparent insulating film has a surface roughness lower than the surface roughness of the inner surface of the panel measured prior to the formation of the transparent insulating film.
Patent KR-20040072349-A (KR)
Inventor: RYU JEONG SU
IPC: H01L21/304
Filed: 2003-02-12
Abstract: PURPOSE: A semiconductor decapping apparatus and a decapping method using the same are provided to enhance the productivity of semiconductors by decapping only a desired die. CONSTITUTION: A wafer is loaded on a wafer fixing plate. An anti-pollution layer(40) is used for surrounding a decapping die. A supporter(10) is used for supporting the wafer fixing plate. An air gun(70) is installed at a lower side of the wafer fixing plate and an upper part of the supporter. A grinder supporter is installed at an upper part of one side of the supporter and is spread to an upper part of the wafer loaded on the wafer fixing plate. A grinder(50) is adhered to an upper part of one side of the grinder supporter and is located within the anti-pollution layer. A nozzle(60) is close to one side of the grinder and is located within the anti-pollution layer.
Patent KR-20040074466-A (KR)
Inventor: PARK EUNG JIN
IPC: G08B1/00
Filed: 2003-02-19
Abstract: PURPOSE: A device for realizing an alarm function in a charging device of a mobile terminal and a method therefor are provided to realize an optical alarm function in a charging device by an alarm control signal from a mobile terminal, and to gradually control a brightness step of an optical alarm, thereby inducing a pleasant getting-up bell for a user. CONSTITUTION: A controller(319) compares a voltage detected from a voltage detector(305) with a set voltage, and controls a charging of a mobile terminal battery. A display(309) informs the outside of a charging state through charging indication lamps. An interface(317) includes an interface jack coupled with an interface connector of a mobile terminal, and receives an alarm control signal delivered from the mobile terminal. A lamp driver(315) drives an alarm lamp(313) under control of the controller(319). Whenever the alarm control signal is received from the interface(317), the lamp driver(315) controls power supplied to the alarm lamp(313) to brighten up the lamp(313) one step by one step.
Patent KR-20040082463-A (KR)
Inventor: RYU SEONG RYONG
IPC: B64D25/00
Filed: 2003-03-19
Abstract: PURPOSE: A descending device with no engine using rotary wings is provided to save a life in an emergency instead of a parachute or a hang glider by using rotary wings. CONSTITUTION: A descending device with no engine using rotary wings comprises rotary wings(1) for transforming a free falling energy to a rotary energy; a main shaft(3) for the center of gravity; a bearing(2) for stopping the rotary energy transmitting to the main shaft.
Patent KR-20040014151-A (KR)
Inventor: ITOU TAKASHI
IPC: G11C11/4074
Filed: 2003-03-22
Abstract: PURPOSE: To provide a semiconductor memory in which the influence from an external power source voltage is prevented and a power source circuit for generating an interior power source voltage capable of making a stable operation of the semiconductor memory is built in. CONSTITUTION: The semiconductor memory is provided with the power source circuit 70. The circuit 70 includes a reference voltage generating circuit 72 for generating a reference voltage VREFD, a voltage booster circuit 71 for generating the interior power source voltage VDDH by boosting an exterior power source voltage EXTVDD by using the reference voltage VREFD, a reference voltage generating circuit 73 for generating the reference voltage VREFP, and a VDC circuit 74 for generating the interior power source voltage VDD4 by dropping the interior power source voltage VDDH down to the reference voltage VREFP. The obtained interior power source voltage VDD4 is supplied to a DLL. The DLL generates a periodic signal having the phase meeting the voltage level of the interior power source voltage VDD4.
Patent KR-20040084146-A (KR)
Inventor: CHOI SANG BAE
IPC: F17C13/04
Filed: 2003-03-26
Abstract: PURPOSE: A gas valve is provided to open/close automatically with igniting or putting off, thereby simplifying structure. CONSTITUTION: In a gas cutting valve to control gas flow, a valve cylinder(100) is provided with an inlet portion(102) and an outlet portion(104) for gas flow. An inlet fixed magnetic body(120) and an outlet fixed magnetic body are provided having sliding holes in the center. A plurality of air passages areas are provided to pass gas through the sliding hole. A moving magnetic body(160) is installed to slide through the sliding hole.
Patent KR-20040091825-A (KR)
Inventor: KIM JONG SEOK
IPC: B21B39/14
Filed: 2003-04-22
Abstract: PURPOSE: To provide a device for controlling operation distance of guide rollers with improved shock absorbing ability to maintain operation elasticity of the guide rollers to a certain elasticity value, actively cope with the wire rod according to diameter of wire rod and control the operation distance of the guide rollers promptly and accurately. CONSTITUTION: In a device for controlling operation distance of guide rollers installed between respective stands in the wire rod rolling process to guide the wire rod so that wire rod is easily metal-in the stands, the device comprises a contact rod (3) installed in a drum (1) fixed to the guide main body as the contact rod is being contacted with guiding cylinder of guide main body with being inserted into a rear part of supports of the guide rollers; a main body cylinder (6) fixed to the roller supports with being fixed to the contact rod drum by inserting compression spring between the contact rod and the main body cylinder; an operation distance control rod (8) which is installed in an inner space of the main body cylinder, and to an upper part of which a piston (11) is fixed; and a main body cover (12) fixed to an upper part of the main body cylinder by inserting a tensile spring (25) into an upper part of the operation distance control rod.
Patent KR-20030085489-A (KR)
Title: 발광 모듈
IPC: H05K3/40
Filed: 2003-04-28
Abstract: 간단한 구성에 의해, 또한 두께나 사이즈를 그다지 크게 하는 일이 없고, 발광 부품의 방열을 양호하게 할 수 있는 발광 모듈을 제공한다. 
     배선 기판(24)의 표면에서 한 쌍의 랜드(33, 34)를 대향시키고, 2개의 배선 라인(35, 36)을 각각 랜드(33, 34)에 접속시키고 있다. 발광 부품(23)의 실장측 외부 전극(30)은, 발광 소자를 다이본드된 리드 프레임에 연결되어 있고, 비실장측 외부 전극(31)은 본딩 와이어를 통하여 발광 소자에 결합된 리드 프레임에 연결되어 있다. 그리고, 실장측 외부 전극(30)을 랜드(33)에 솔더(37)로 접합시키고, 비실장측 외부 전극(31)을 랜드(34)에 솔더(37)로 접합시켜 발광 부품(23)을 배선 기판(24)의 위에 실장한다. 발광 부품(23)의 실장측 외부 전극(30)이 솔더링되어 있는 측의 배선 라인(35)의 라인 폭을, 비실장측 외부 전극(31)이 솔더링되어 있는 측의 배선 라인(36)의 라인 폭보다도 크게 한다.
Patent KR-20040093875-A (KR)
Inventor: JEE YOUNG HWA
IPC: E04F13/08
Filed: 2003-04-30
Abstract: PURPOSE: An adhering method of a building exterior member is provided to maximize the exterior value of a high-storied building by preventing a water leakage and a dew condensation caused by contamination and aging of a sealant and to facilitate maintenance and replacement of the building exterior member. CONSTITUTION: An adhering method of a building exterior member(110) comprises a first step of setting up a fixing position on the building exterior member, forming a fixing unit-combining hole at the fixing position, removing dust in the fixing unit-combining hole, filling the fixing unit-combining hole with epoxy resin and inserting one end of a concealed fixing unit(140), and fixing the concealed fixing unit by the hardening of the epoxy resin; a second step of fastening a nut to secure a gap between the concealed fixing unit and the rear of the building exterior member and then applying a structural sealant(120) around the fixing position of the rear of the building exterior member; a third step of combining one side of a fixing fastener(160) to the structural sealant applied on the rear of the building exterior member in a close contact state and fixing the concealed fixing unit to one side of the fixing fastener by a combining nut(150); a fourth step of slidably fixing combining pieces of a connecting metal unit(180) in combining grooves formed to the lower part of the fixing fastener and combining the building exterior member to a metal structure(100) by combining the metal structure to which a water-proof membrane(220) is formed and the connecting metal unit by a combining bolt(190) through a bolt-piercing hole formed in a side of the connecting metal unit; and a fifth step of installing a thermal insulation material to a gap between the metal structure combined to the connecting metal unit and a wall body(200) to which a moisture-proof membrane(230) is formed.
Patent KR-20030089452-A (KR)
Title: 통기 부재와, 이 통기 부재를 포함하는 통기 하우징
IPC: F21W107/00
Filed: 2003-05-14
Abstract: 통기 부재에 있어서, 하우징의 개구부에 고정된 상태로, 개구부를 통과하는 가스가 투과하는 통기막과, 통기막을 지지하는 지지부와, 하우징의 개구부로 삽입되는 삽입부를 갖는 지지체를 포함하고, 삽입부는 그것의 삽입 개시측 단부에 로크부를 구비하며, 로크부는 단부를 향해 테이퍼 형상이고, 삽입부는 그것의 적어도 삽입 개시측상에서 원주방향을 따라 복수로 분할되어 있다.
Patent KR-20030089471-A (KR)
Title: 배선 기판과 그것을 이용한 전자 장치
IPC: H05K3/46
Filed: 2003-05-15
Abstract: 배선 간의 절연 저항값이 높고, 고온, 고습 환경 하에서도 이온 마이그레이션에 의한 누설이나 단락 등의 문제점이 생기지 않은 배선 기판을 제공한다. 
     절연 기판(1) 중 적어도 한쪽 면에 절연 수지층(4)이 형성되고, 이 절연 수지층 상에 기초 금속층(2, 5)을 형성하고, 이 기초 금속층 상에 금속 도체에 의한 회로가 형성되어 이루어지는 배선 기판에 있어서, 상기 금속 도체 간(11)에 있는 상기 절연 수지층 상면 중 적어도 일부분을 상기 기초 금속층(5)과 상기 절연 수지층(4)이 접하는 면보다도 낮게 형성한 것을 특징으로 하는 배선 기판을 제공한다.
Patent KR-20040098704-A (KR)
Inventor: PARK HAE YUN
IPC: B60T7/12
Filed: 2003-05-15
Abstract: PURPOSE: An automatic control device of a brake for a vehicle is provided to prevent collision by detecting the distance from the following vehicle continuously in falling a sleep during driving and operating the brake in deceasing the distance and to drive safely by operating the alarm unit. CONSTITUTION: An automatic brake control device is composed of a distance detecting unit(10) installed in the end of a vehicle to detect the distance from the following vehicle; a control unit(20) outputting the control signal in case of the distance from the following vehicle to be less than the predetermined value by receiving the output signal from the distance detecting unit; and an actuator unit(30) operating the brake of the vehicle by receiving the control signal from the control unit. The distance detecting unit is formed of an ultrasonic sensor, and a hydraulic pump(31) is installed in the hydraulic passage of the brake to increase hydraulic pressure supplied to the wheel of the vehicle.
Patent KR-20040100702-A (KR)
Inventor: HWANG SEONG HUI
IPC: G11B20/12
Filed: 2003-05-23
Abstract: PURPOSE: A recording/reproducing method using padding information, a recording/reproducing device thereof and an information storage medium thereof are provided to enable a disk drive to distinguish valid data from invalid data within an error correction block, thereby increasing reproduction reliability and guaranteeing system stability. CONSTITUTION: Recording unit blocks where invalid data are padded in certain parts are recorded. Padding information informing that the invalid data are contained is recorded. When recording the padding information, the padding information is recorded in order to correspond to at least one recording unit block. When recording the padding information, the padding information is recorded in order to correspond to at least one reproduction unit block. The padding information is recorded within the recording unit blocks.
Patent KR-20040105267-A (KR)
Inventor: MOON OK IN
IPC: A61B1/31
Filed: 2003-06-04
Abstract: PURPOSE: A proctoscope is provided to achieve improved user's convenience by arranging a plurality of light emitting diodes at an inner surface of a main body of the proctoscope so as to light a sutured part of a human body. CONSTITUTION: A proctoscope comprises a main body(1) to be inserted into an anus; and one or a plurality of handles(2) extended in a radial direction from a rear end of the main body, such that the handles rotate the main body in the anus. The main body includes a front end(11) having a reduced diameter so as to allow for easy insertion into the anus; and a cut-out portion formed by cutting out at least 1/4 of the circumference of the main body, such that an operator sutures a rectal mucous which is deeper than the anus. One or more light emitting diodes are arranged at an inner surface of the main body opposed to the cut-out portion, such that the light emitting diodes light the sutured part from the cut-out portion.
Patent KR-20040110618-A (KR)
Inventor: HWANG GWANG JUN
IPC: C23F1/28
Filed: 2003-06-20
Abstract: PURPOSE: To provide an etchant which is applied irrespective of carbon content and steel types to shortly expose austenite grain size by optimizing concentration and addition amount of aqueous solutions of picric acid, ferric chloride and sodium dodecylbenzenesulfonate, a preparation method thereof, and an exposure testing method of austenite grain size using the same. CONSTITUTION: The etchant for exposing austenite grain size of heat treated steel comprises 92.6 to 95 vol.% of 4.8-5.2% picric acid aqueous solution, 2.5 to 3.7 vol.% of 9.5-10.5% ferric chloride(FeCl3) aqueous solution, and 2.5 to 3.7 vol.% of 9.5-10.5% sodium dodecylbenzenesulfonate(C12H25C6H4SO3Na) aqueous solution. The preparation method of the etchant comprises a step of preparing 4.8-5.2% picric acid aqueous solution, 9.5-10.5% ferric chloride aqueous solution, and 9.5-10.5% sodium dodecylbenzenesulfonate aqueous solution; a step of mixing 92.6 to 95 vol.% of the picric acid aqueous solution with 2.5 to 3.7 vol.% of the ferric chloride aqueous solution; and a step of mixing a mixed solution of the picric acid aqueous solution and the ferric chloride aqueous solution with 2.5 to 3.7 vol.% of the sodium dodecylbenzenesulfonate aqueous solution.
Patent KR-20050000741-A (KR)
Inventor: KANG SIN KYU
IPC: G03G15/00
Filed: 2003-06-24
Abstract: PURPOSE: A paper transfer apparatus for office machinery is provided to reduce a time interval of paper discharge by varying a rotation speed of a paper discharge roller in view of scanning resolution according to a feeding speed of paper which passes through a scan unit. CONSTITUTION: A motor(210) is coupled to an axis of a driving gear(212). A paper supplying gear train(220) delivers power of the motor to a paper supplying roller(221). A feeding gear train(230) delivers the power thereof to a feeding roller(231) for transferring paper. A paper discharge gear(242) is coupled to a paper discharge roller(241). A one-direction rotation part(250) keeps the discharge gear rotating to one direction. The one-direction rotation part includes an idle gear(255) geared into the paper discharge gear, an arm supporting gear(251) connected to the driving gear and a swing arm(252) which rotates with the arm support gear by the same axis. The one-direction rotation part further includes the first swing gear(253) selectively connected to the paper discharge gear and the second swing gear(254) selectively connected to the idle gear.
Patent KR-20040002706-A (KR)
Inventor: ISHIKAWA HIROICHI
IPC: B81B3/00
Filed: 2003-06-25
Abstract: PURPOSE: A heat-driven micro mirror and an electronic apparatus are provided to prevent the movement of the reflecting position of light on a mirror surface by preventing that the rotary center of the mirror surface is deviated and miniaturizing the size of the mirror surface. CONSTITUTION: A thermally driven micro mirror(10) includes a mirror surface(20) and a supporting structure part(14) supporting the mirror surface and having a laminated structure. The supporting structure part applies electricity and generates heat. The supporting structure part is deflected in the laminated structure by the difference of a thermal expansion coefficient, and the mirror surface is tilted in a certain angle. The supporting structure part is disposed between the mirror surface and an electrode part(30) supplying the electricity. A longitudinal axis(LL) of the supporting structure part is perpendicular to a center axis(CL) of the mirror surface(20). A longitudinal center of the supporting structure part(14) is located in the center axis of the mirror surface.
Patent KR-20050003489-A (KR)
Inventor: JEON GYU DONG
IPC: D06F39/08
Filed: 2003-06-27
Abstract: PURPOSE: A water supply device for a washing machine is provided to reduce waste of water and to shorten the laundry-rinsing time by injecting equally the water in repeated up-and-down motions of a water supply nozzle. CONSTITUTION: A water supply device(50) for a washing machine comprises a water supply nozzle(10) combined by hinges(1,2) formed at both sides to rotate vertically from an upper part of a water storage tub and composed of a water supply pipe(5) disposed in the rear side to feed the water from the outside and a slot(6) formed horizontally on the front side to jet the water; a low-speed synchronized motor(20) operated intermittently by power applied from a control unit, wherein an eccentric cam(12) is attached at the front end of a rotary shaft(11); and an actuator(15) projected horizontally from the lateral side of the water supply nozzle and contacted with the front end of the eccentric cam of the low-speed synchronized motor.
Patent KR-20050004493-A (KR)
Inventor: CHOI JAE IK
IPC: B07B1/00
Filed: 2003-07-02
Abstract: PURPOSE: A uniformly dispersing apparatus in a chute for putting sintering ores into a selective screen is provided to prevent sintering ores put into the screen from being concentrated and to improve screening efficiency. CONSTITUTION: The uniformly dispersing apparatus in a chute for putting sintering ores into a selective screen includes a fixed dispersing plate inside the chute, and rotating dispersing plates, which are mounted on the left and right portions of the back edge of the fixed dispersing plate, respectively. The rotating dispersing plate includes a rotating dispersing wing(31), a propeller shaft for rotating the dispersing wing(36), a screw for moving the dispersing wing(33), a propeller shaft for moving the dispersing wing(34), a gear box for transmitting power to the dispersing wing(35), and a gutter for supporting the dispersing wing(32).
Patent KR-20050016930-A (KR)
Inventor: JO YO CHAN
IPC: B01D46/00
Filed: 2003-08-05
Abstract: PURPOSE: To provide an apparatus for removing moisture in dust collector, the apparatus capable of efficiently collecting dust of raw coal passing through coal moisture control equipment and preventing closing of filter bag apertures and clogging of transfer line generated accordingly. CONSTITUTION: The apparatus for removing moisture in dust collector comprises a three way valve(12) installed such that the three way valve is communicated with the output side of the dust collector(10); an exhaust duct installed such that the exhaust duct is communicated with one side of the three way valve to exhaust collected waste gas; a reversing air duct installed such that the reversing air duct is communicated with the other side of the three way valve to supply reversing air of high temperature for drying the inside of the dust collector; a reversing air supply means for supplying reversing air into the reversing air duct; and a control means for controlling the three way valve, wherein the reversing air supply means comprises a heat exchanger(30), a flow control valve(32), a temperature sensor(34) and a first control panel(36), and wherein the control means comprises differential pressure meters(40a,40b), and a second control panel(42).
Patent KR-20050017994-A (KR)
Inventor: CHOE JU HWAN
IPC: F42D5/00
Filed: 2003-08-12
Abstract: PURPOSE: To provide a sand feeding apparatus capable of accurately feeding a certain quantity of sand into vinyl bags by supplying a constant quantity of sand automatically and accurately, thereby solving various problems caused by a manual operation. CONSTITUTION: An apparatus for feeding sand comprises a sieve(10) for supplying the sieved sand to the lower side by sieving sand; a shaking means for shaking and supporting the sieve relative to a frame; a hopper(20) which is installed under the sieve so that the sieved sand is supplied to the hopper, and on the bottom of which supply holes(26) are formed; a supply screw(22) installed directly above the supply holes inside the hopper and rotated by a driving source; a control member(30) installed under the supply holes and equipped with communication holes communicated with the supply holes and a blocking part for blocking the supply holes; and a control means for straightly reciprocating the control member to a certain distance to correspond the communication holes to the supply holes or block the communication holes through the blocking part.
Patent KR-20050024567-A (KR)
Inventor: KIM HOON
IPC: B62D1/16
Filed: 2003-09-03
Abstract: PURPOSE: A shroud for a steering system of a vehicle is provided to improve the efficiency of combining work by temporally assembling upper and lower shrouds and then joining a bolt and to prevent assembly failure caused by a gap by exactly assembling the upper and lower shrouds. CONSTITUTION: A shroud for a steering system of a vehicle is composed by combining an upper shroud(20) having a combining piece(22) at one side and a lower shroud(30) having a combining boss(32) joined with the combining piece. A hanging hole(26) is formed at the combining piece of the upper shroud. A hanging unit(36) inserted into the hanging hole is disposed at the combining boss of the lower shroud. An inclined unit(28) for guiding the insertion of the hanging hole is disposed at the hanging unit of the lower shroud.