baber/WOPTO huggingface dataset:
Patent KR-20040102613-A (KR)
Inventor: AHN TAE HUN
IPC: E21D11/22
Filed: 2003-05-28
Abstract: PURPOSE: A two-arch tunnel construction method with load control is provided to construct the tunnel safely by measuring and controlling load of the tunnel to a central support structure, and to reduce the construction period and damage by separating the central support structure into the load control structure and the reinforcing concrete. CONSTITUTION: A central tunnel(1) is excavated, and a load control structure(2) is installed. While excavating a side tunnel(4), load applied to the load control structure is measured and controlled to the desired support load. The load control structure is reinforced with reinforcing concrete(3), and a central supporting structure is finished. The tunnel is constructed safely at a low cost by measuring and controlling the tunnel bearing load to the central supporting structure of a two-arch tunnel. The load control structure is manufactured with a steel structure with a hydraulic screw jack, and the hydraulic jack is removed after checking the final load.
Patent KR-20040102912-A (KR)
Inventor: CHOI GI CHEOL
IPC: F04B17/04
Filed: 2003-05-30
Abstract: PURPOSE: A sealing structure of a linear compressor is provided to easily adjust a clearance of a piston and a cylinder, to remove the need for post-processing, and to increase the efficiency by minimizing friction force. CONSTITUTION: A sealing structure of a linear compressor comprises a cylinder(109); a piston(140) arranged in the cylinder in an advancing and retreating state; a sealing member(146) having a receiving groove(147) in a side; and an elastic member(148) received in the receiving groove of the sealing member. The piston has an insertion groove(140b) formed to a side opposite to the cylinder. The sealing member is inserted in the insertion groove of the piston. The outer peripheral part of the sealing member is inclined. The elastic member is one of a leaf spring and a coil spring.
Patent KR-20040104001-A (KR)
Inventor: CHOI SANG JUN
IPC: C11D3/02
Filed: 2003-06-02
Abstract: PURPOSE: Provided is an environmental-friendly cleaning solution comprising an anticorrosive agent, which prevents corrosion of metals and protects the surface of polysilicon to reduce the amount of polysilicon to be etched. CONSTITUTION: The cleaning solution comprises an anticorrosive agent having a triple bond and at least one hydroxy groups, deionized water and a surfactant. In the cleaning solution, the anticorrosive agent is a compound represented by the formula of R1-R2-C C-R3-R4, wherein any one of R1 and R4 is OH and the other is a functional group selected from the group consisting of alkyl, alkoxy, amino, nitro, mercapto, hydroxy, aldehyde and carboxyl groups, H or a halogen atom; and each of R2 and R3 is a C0-C10 linear or branched hydrocarbon.
Patent KR-20040104073-A (KR)
Inventor: NOH SEUNG JIN
IPC: G11B19/20
Filed: 2003-06-03
Abstract: PURPOSE: A dividing device of an optical servo system and a method are provided to design a dividing operation by using a hard-wired method, which is a logical circuit design method, thereby improving a data processing speed without an inconvenience of translating in mechanical language. CONSTITUTION: A signal generator(120) counts input complete times of a numerator value and a denominator value when the binarized numerator and denominator values are inputted, creates an operation start signal showing a completion of the input, and generates an operational flag value showing whether a dividing operation is completed. An operation performer(130) stores the numerator and denominator values, carries out the dividing operation according to the flag value, and stores the carried result. A CPU(110) transmits the numerator and denominator values to the signal generator(120) and the operation performer(130), and extracts the result value of the dividing operation.
Patent KR-20030095269-A (KR)
Title: 브레이크 패드 연삭 장치 및 연삭 방법
IPC: F16D65/092
Filed: 2003-06-05
Abstract: 본 발명의 목적은, 양단의 경사면을 한번의 패스로 연삭 가능하게 하고, 경계선이 서로 평형 하든 그렇지 않든 관계없이 연삭한계량이 발생하지 않게 하는 것이다.     본 발명에 따른 장치는, 브레이크 패드 세트 (3)를 고정하기 위한 고정부 (11)와, 브레이크 패드 (3)의 마찰면 (3a)에 평행한 회전축과, 회전축과의 거리가 회전축의 한 방향으로 가면서 점차적으로 혹은 다수의 단계로 증가하는 연삭면 및, 회전축과의 거리가 회전축의 한 방향으로 가면서 점차적으로 혹은 다수의 단계로 감소하는 다른 연삭면을 갖는 회전 숫돌 (21), 그리고 교차하는 방향으로  브레이크 패드와 회전 숫돌 중 어느 하나를 서로에 대해 이동시키기 위한 운송기 (10)를 포함한다.
Patent KR-20040107964-A (KR)
Inventor: SONG JUN GEUN
IPC: H05K13/02
Filed: 2003-06-16
Abstract: PURPOSE: A tape feeder is provided to simplify the configuration of the tape feeder by arranging two tape rolls in a single frame. CONSTITUTION: A tape feeder comprises a frame(211), a driving motor(212), a worm wheel, first and second rotating bearings, a first cam(214) and a second cam, a first power transmission mechanism, and a second power transmission mechanism. The driving motor is arranged on a first surface of the frame, and has a worm(213) arranged at an end of a rotating shaft. The worm wheel is mounted on the rotating shaft such that the worm wheel is engaged with the worm of the driving motor. The first and second rotating bearings are arranged at both ends of the rotating shaft of the worm wheel. The first and second cams are fixed on the first and second rotating bearings, respectively. The first power transmission mechanism is mounted on the first surface of the frame such that the first power transmission mechanism operates by the power transmitted by the first cam. The first power transmission mechanism includes a first tape travel member, a first cover discharge member, and a first shutter member. The second power transmission mechanism is mounted on a second surface of the frame such that the second power transmission mechanism operates by the power transmitted by the second cam. The second power transmission mechanism includes a second tape travel member, a second cover discharge member, and a second shutter member.
Patent KR-20040034355-A (KR)
Inventor: NARIMATSU KIYOYUKI
IPC: A61B5/022
Filed: 2003-06-20
Abstract: PURPOSE: A vital information acquisition apparatus is provided to obtain accurately vital information by detecting correctly the notches of pulse wave of the cuff. CONSTITUTION: A vital information acquisition apparatus includes a cuff, a cuff-pressure controller, a cuff pulse wave detector, and a vital information determination unit. The cuff(12) is formed on a predetermined part of a living body. The cuff pressure controller(50) is operable to control the inflation pressure of the cuff. The cuff pulse wave detector(28) is operable to detect a cuff pulse wave as a pressure pulsation transmitted from the living body to the cuff. The vital information determination unit(52,54) is operable while the inflation pressure of the cuff is held at a value higher than a systolic blood pressure of the living body under the control of the cuff pressure controller. The vital information determination unit determines the vital information of the living subject by using a notch of the cuff pulse wave.
Patent KR-20040110833-A (KR)
Inventor: KIM GYEONG HYEON
IPC: G02F1/1337
Filed: 2003-06-20
Abstract: PURPOSE: A method for forming an alignment layer and an LCD(Liquid Crystal Display) comprising the alignment layer manufactured using the same are provided to prevent damage of an alignment layer due to infiltration of liquid crystals, thereby enhancing the reliability of the alignment layer and the productivity of manufacturing process by raising the degree of imidization in the alignment layer. CONSTITUTION: A composite solution for alignment layer is coated on a substrate(S10). The composite solution is pre-dried to be transformed into a compound containing polyamide acid(S20). And then, the compound containing polyamide acid is hardened to be transformed into the first compound containing polyimide(S30). And then, the first compound is hardened to be transformed into the second compound containing polyimide. The second compound is larger than the first compound in a degree of imidization.
Patent KR-20050004661-A (KR)
Inventor: KIM KYONG SOEK
IPC: G02F1/1343
Filed: 2003-07-03
Abstract: PURPOSE: A method for driving an IPS(In-Plane Switching) mode LCD(Liquid Crystal Display) is provided to increase a liquid crystal voltage between a common electrode and a pixel electrode without using a high power source driver, and prevent a leakage current by swing of the common voltage. CONSTITUTION: An IPS mode LCD comprises a plurality of gate and data lines vertically crossing each other to define a plurality of pixel regions, a plurality of TFTs(Thin Film Transistors) alternately positioned at lower and upper side pixel regions adjacent to the corresponding gate line, and a plurality of common lines formed in a zigzag configuration along the TFTs in the pixel regions. To drive the IPS mode LCD, the first common voltage and the second common voltage are applied to even numbered common lines and odd numbered common lines in one vertical period, wherein the voltage is synchronized with a scanning signal supplied to the first gate line. A gate low voltage applied to each gate line is lower than a pixel voltage.
Patent KR-20050006336-A (KR)
Inventor: PARK SAM JE
IPC: D06F37/04
Filed: 2003-07-08
Abstract: PURPOSE: A tub for a washing machine is provided to increase self-strength of a tub by forming beads on the tub, to reduce the material cost by making the tub thin, and to prevent the tub from breaking down in a high-speed dewatering step. CONSTITUTION: A tub(2) for a washing machine is composed of a cylindrical tub center(22) for covering the outside of a cylindrical drum installed rotatively in a washing machine body and having opened ends; a ring-shaped tub front(21) fixed in the front side of the tub center; a tub back(23) fastened in the rear side of the tub center; and at least one band-shaped bead(24) formed at the tub center. Plural beads are protruded outward and formed circumferentially on the outer peripheral surface of the tub center. The strength of the tub having the convex beads is increased better than a tub having a flat surface.
Patent KR-20040010249-A (KR)
Inventor: OKUMURA HIROSHI
IPC: G03F7/20
Filed: 2003-07-18
Abstract: PURPOSE: To solve a problem that simultaneous forming of matching mark in a laser anneal process of polysilicon film forming for TFT cannot be accurately formed at low costs because of the size order difference between the cm order of a beam diameter for forming polysilicon film and the μm order of a beam diameter for forming marks for stepper. CONSTITUTION: The laser irradiation system 200 is composed by separately arranging an optical system 215 for marking from a laser optical system 212 for crystallization so that an axis of a laser beam of a laser for forming mark is identical axis of the laser for crystallization, and by use of a elatively low cost and easy-to-use Nd:YAG laser. The high accurate matching mark for a stepper having an optical constant different from other region on the semiconductor thin film 103 can be formed by the relatively low cost laser irradiation system 200.
Patent KR-20050010560-A (KR)
Inventor: KIM PAN YUL
IPC: B62D5/08
Filed: 2003-07-21
Abstract: PURPOSE: A damping valve of a steering system is provided to intermit effectively the flow of hydraulic pressure by forming separately forward and reverse passages and to facilitate production and assembly processes by simple valve and passage structures. CONSTITUTION: A damping valve installed in a housing(200) between a hydraulic pipe and a cylinder connection part of a hydraulic steering system for a vehicle to intermit the flow of fluid is composed of a valve body(100) in which a pair of forward/reverse passages(110a,110b) is divided respectively; check valves installed at the forward/reverse passages to intermit the flow of fluid forward and reversely; and an orifice disposed in the reverse passage to intermit the amount and speed of the fluid. The check valve comprises first and second casings(120a,120b) mounted oppositely to each other in the center of each inner diameter of the forward/reverse passages; first and second discs(130a,130b) arranged in each inner diameter of the ends of the first and second casings; first and second valve plates(140a,140b) installed at the lower sides of the discs to open and close the forward/reverse passages; and first and second coil springs(150a,150b) for supporting elastically the first and second valve plates in the vertical direction.
Patent KR-20050011580-A (KR)
Inventor: MUN JUN HO
IPC: G02B6/02
Filed: 2003-07-23
Abstract: PURPOSE: An optical fiber suitable for a high-speed, vast-amount WDM(Wavelength Division Multiplexing) system, an optical transmission line and an optical communication system using the same are provided to optimize distribution, distribution slope, and an effective cross sectional area of the optical fiber. CONSTITUTION: An optical fiber suitable for a high-speed, vast-amount WDM system includes a first core region having a radius of r1 and a refraction ratio difference of Δ1, a second core region having a radius of r2 and a refraction ratio difference of Δ2, a third core region having a radius of r3 and a refraction ratio difference of Δ3, and a fourth core region having a radius of r4 and a refraction ratio difference of Δ4. the radii satisfy r1< r2< r3<r4. The refraction ratio differences satisfy Δ2<Δ1 and Δ2 <Δ3. The operational wavelength lies between 1460 and 1625nm.
Patent KR-20050012579-A (KR)
Inventor: CHANG DONG HYUCK
IPC: H01L21/334
Filed: 2003-07-25
Abstract: PURPOSE: A method for forming a gate buffer spacer of a semiconductor device is provided to prevent a bridge between a gate and a bit line by selectively removing a gate buffer oxide layer using a photoresist pattern. CONSTITUTION: A gate structure including a polysilicon pattern(53), a tungsten pattern(55) and a hard mask pattern(57) is formed on a semiconductor substrate(51). A buffer oxide layer(61) is formed on the resultant structure. A sacrificial layer is formed on the buffer oxide layer between the gate structures. The buffer oxide layer exposed at sidewalls of the gate structure is selectively removed. A spacer nitride layer(65) is formed on the buffer oxide layer and the gate structure. An interlayer dielectric(67) is formed on the spacer nitride layer. A bit line contact hole(69) is formed by removing the interlayer dielectric, the spacer nitride layer and the buffer oxide layer between the gate structures. A contact plug(71) is then formed in the bit line contact hole.
Patent KR-20030069943-A (KR)
Inventor: SEO TAE IL
IPC: C04B33/32
Filed: 2003-07-30
Abstract: PURPOSE: An oxidation and reduction electrical kiln for ceramic ware is provided, to allow the oxidation and the reduction to be carried out simultaneously by the heat circulation in a kiln, to minimize the variation of temperature and to allow the smoky odor not to be escaped from the kiln. CONSTITUTION: The oxidation and reduction electrical kiln comprises a circular body; a dual structured insulating and heat-generating body(5); a control box; and a supply pipe and a discharge device(34) for circulation, wherein the discharge device(34) is placed at the lower part of the kiln, the supply pipe is set with an angle of 45 degree at the upper part of the kiln, and they discharges odor or smell outside. The discharge device(34) comprises a dual stainless pipe, wherein the outer pipe(33) of the stainless pipe is thick and long and the inner pipe(33a) is thin and short. The air in a heating room(11) is discharged through the space between the outer pipe and the inner pipe.
Patent KR-20050014226-A (KR)
Inventor: KIM KYUNG DO
IPC: H01L21/335
Filed: 2003-07-30
Abstract: PURPOSE: A method for forming a transistor of a semiconductor device is provided to reduce GIDL(gate induced drain leakage) and improve a refresh characteristic by thickening the edge of a gate oxide layer and by making an electric field small in the operation of a transistor. CONSTITUTION: A sacrificial oxide layer pattern is formed to expose a gate electrode region formed on a semiconductor substrate(41). Oxygen impurity ions are implanted into the semiconductor substrate at the edge of the sacrificial oxide layer pattern to form an oxygen impurity region. The semiconductor substrate in the exposed gate electrode region is oxidized to form a gate oxide layer(49). A gate electrode is formed on the gate oxide layer, having a stack structure in which polysilicon(51) for a gate electrode, a metal layer(53) for the gate electrode and a hard mask layer(55) are stacked. The sacrificial oxide layer pattern is eliminated.
Patent KR-20050014606-A (KR)
Inventor: CHOI IN
IPC: A23L2/02
Filed: 2003-07-31
Abstract: PURPOSE: A composition comprising green vegetable juice is provided, which composition has a protective effect of lymphocyte DNA damage, so that the lymphocyte DNA damage by smoking can be protected through drinking the green vegetable juice composition. CONSTITUTION: The composition for protecting the lymphocyte DNA damage, especially in smoking people comprises green vegetable juice as a main component, wherein the green vegetable is Angelica gigas Nakai, kale, dropwort, celery, cabbage, carrot, cucumber, tomato or aloe; and the green vegetable juice is prepared by pressing the green vegetables.
Patent KR-20040015694-A (KR)
Inventor: PHILLIPS QUINTIN T
IPC: B41J2/175
Filed: 2003-08-12
Abstract: PURPOSE: A printing cartridge maintenance method, a refilling system of a printing cartridge including a computerized refilling station, and a device refilling system are provided to maintain the printing cartridge by determining a remaining useful life of the printing cartridge and refilling at least a portion of the printing cartridge if the remaining useful life is above a predetermined threshold. CONSTITUTION: A printing cartridge maintenance method includes steps of determining a remaining useful life of a printing cartridge, and refilling at least a portion of the printing cartridge if the remaining useful life is above a predetermined threshold. The step of determining the remaining useful life of the printing cartridge comprises a step of reading history data recorded in a memory device of the printing cartridge. The step of determining the remaining useful life of the printing cartridge comprises a step of comparing the printing history data to predetermined values. A refilling system for the printing cartridge including a computerized filling station comprises a refill receptacle(402) configured to receive the printing cartridge; a supply device(410) of a material which is consumed during operation of the printing cartridge; and a controller(408) for reading data recorded on the printing cartridge and for selectively refilling at least a portion of the printing cartridge in response to the recorded data. The supply device is connected to the refill receptacle.
Patent KR-20050019349-A (KR)
Inventor: MOON HA YOUNG
IPC: H04B7/26
Filed: 2003-08-18
Abstract: PURPOSE: A door locking system using a mobile terminal and a method thereof are provided to open or close a door by transmitting a frequency signal of a mobile communication network or an infrared signal by using a mobile terminal. CONSTITUTION: A door locking system(300) is comprised of a mobile terminal(310) and a door open/close part(320). The mobile terminal(310) transmits a frequency signal or an infrared signal to open or close a door(110). The door open/close part receives the frequency signal or the infrared signal from the mobile terminal(310) and executes the open/close operation of the door(110). In the door open/close part, an external door lock cover(321) and an internal door lock cover(322) are connected through the door(110), placed between them. At the upper part of the external door lock cover(321), a keypad(130) is installed to input a password to release the locking of the door(110). An external door handle(326) is installed at the lower part of the external door lock cover(321). Also the external door lock cover(321) comprises an infrared signal receiving part(327) to receive the infrared signal. The internal door lock cover(322) contains a control circuit to activate a dead bolt(220) when the password signal is received. At the lower part of the internal door lock cover(322), an internal door handle(325) is installed.
Patent KR-20040019910-A (KR)
Inventor: KIM IN KWANG
IPC: G06F3/0354
Filed: 2003-08-22
Abstract: PURPOSE: A pointing device, a scanner, a robot, a mobile communication device, and an electronic dictionary including the same are provided to rotate a mouse ball(moving ball) and improve a sensitivity of a movement by contacting the mouse ball with a bearing only. CONSTITUTION: A mouse is separated into an internal device(110) and an external device(111), and button switches(113,114) are arranged. If a ball(103) which is contacted with a mouse pad is pressed, the internal device(110) enters and presses the button switch(113) which is used as the left button. The button switch(114) which is exposed to an exterior is used as the right button. If the ball(103) is not pressed, the internal device(110) is pushed toward the lower part, and the button switch(113) is not operated. In the case that the button switch(113) is used as the left button, a proper interval is formed between the internal device(110) and the button switch(113). If the ball(103) is pressed over a predetermined distance, the internal device(110) is moved upwardly against an elastic force of a spring(112) and the button switch(113) is pressed. Also, when the ball(103) is pressed, the button switch(113) is operated by a movement of the ball(103).
Patent KR-20050024665-A (KR)
Inventor: CHO IN SOO
IPC: G09G3/28
Filed: 2003-09-01
Abstract: PURPOSE: A plasma display device is provided to achieve improved uniformity of temperature distribution of a plasma display panel by arranging a plate structure between a plasma display panel and a radiation sheet. CONSTITUTION: A plasma display device(1) comprises a plasma display panel(5); a chassis base(60) arranged in parallel with the plasma display panel; a radiation sheet(40) interposed between the plasma display panel and the chassis base; and a plate structure(30) contacting at least one of the surface of the radiation sheet opposed to the plasma display panel and the surface of the radiation sheet opposed to the chassis base.
Patent KR-20050024791-A (KR)
Inventor: KIM BUM CHOL
IPC: A23G1/22
Filed: 2003-09-04
Abstract: PURPOSE: An apparatus for manufacturing chocolate molds containing a cooling pipe connected to a cooler within a molding frame stand and a control box is provided. The apparatus avoids the trouble of cooling heat by the cooling pipe and control box during working. The sealing of the rear face of the chocolate molds with aluminum foils prevents contamination of impurities or deterioration of products during distribution. CONSTITUTION: The apparatus for manufacturing chocolate molds consists of: a lid(100) which moves vertically upward and downward and is embedded with a heater; a supporter(200) for supporting a pet film printed with a variety of logos on the upper surface; a molding frame(300) having the same shape as a chocolate product; a molding frame stand(400) fixed to the molding frame at the upper surface and perforated with a plurality of suction holes; and a vacuum pump(600) connected to the suction holes. The apparatus is characterized in that a cooling pipe connected to the cooler is formed within the molding frame stand.