baber/WOPTO huggingface dataset:
Patent KR-20040008982-A (KR)
Title: a device and the method for a reduction NOx and PM of diesel engine
Inventor: JANG GYEONG IK
IPC: F02B37/18
Filed: 2002-07-20
Abstract: PURPOSE: An apparatus and a method are provided to reduce NOx and PM during the cold start of engine by rapidly activating the catalyst from the small amount of fuel. CONSTITUTION: An apparatus comprises a bypass passage(400) for interconnecting an exhaust pipe(40) and an exhaust manifold(20) connected to an exhaust port of a diesel engine(10); a bypass valve(410) for controlling the bypass passage; and an actuator(321) for controlling the bypass valve. The actuator is connected to a solenoid valve(320) which is connected to a vacuum pump(301). The solenoid valve is controlled by the control signal output from an engine control unit(200). A turbine(31) of a turbo charger(30) is connected between the exhaust manifold and the exhaust pipe.
Patent KR-20030017322-A (KR)
Title: Automatic bowling ball resurfacing machine
Inventor: NAM YUN SUNG
IPC: B24B11/02
Filed: 2002-07-29
Abstract: PURPOSE: A surface treatment apparatus of a bowling ball is provided to polish, process and reproduce the whole surface of the ball without partial wear by changing a rotating axis of the bowling ball. CONSTITUTION: A surface treatment apparatus of a bowling ball(B) includes a housing(10); a first rolling wheel; a second rolling wheel(50); a driving device; a friction contactor(70) and a relative speed adjusting device. First and second rolling wheels are installed to rotate with an interval on the housing. The driving device is connected to first and second rolling wheels automatically to rotate. The friction contactor supports the bowling ball at three points with first and second rolling wheels. The friction contactor is installed to the housing. The friction contactor polishes the bowling ball by friction. The relative speed adjusting device changes a rotating axis by changing rotating speed of the second rolling wheel occasionally. Thereby, the bowling ball is polished, processed and reproduced by changing the rotating axis of the ball. Noise is reduced by using small drive motor to rotate one way.
Patent KR-20040016288-A (KR)
Title: Field emission display and manufacturing method thereof
Inventor: KIM YONG CHEOL
IPC: H01J1/30
Filed: 2002-08-16
Abstract: PURPOSE: A field emission device and a fabrication method thereof are provided to insulate a spacer as well as a cathode using an insulation film having low residual stress. CONSTITUTION: A field emission device comprises a base plate(1) having a cathode(2), a top plate having an anode, a spacer maintaining spacing between the base plate and the top plate, and an insulation film(3,4,7) made of amorphous silicon and insulating the cathode and the spacer between the base plate and the spacer. The insulation film insulating the cathode and the spacer has a stacked structure of the amorphous silicon and silicon oxidation film, or the amorphous silicon and silicon nitride film. A field emission device fabrication method comprises a step of forming the base plate and the top plate, a step of arranging the spacer between the base plate and the top plate, and a step of sealing the base plate and the top plate. The insulation film between the base plate and the spacer is evaporated with amorphous silicon by sputtering method.
Patent KR-20040029187-A (KR)
Title: City bus operation and living information display system which uses the electric light panel
Inventor: CHOI OH SIK
IPC: G08G1/123
Filed: 2002-08-22
Abstract: PURPOSE: An apparatus for displaying city bus traveling information and living information using an electronic display board is provided to provide bus stop information and city bus traveling information and living information visually and acoustically automatically without an operation of a driver. CONSTITUTION: A power supply part(21) supplies an appropriate voltage to each part without giving overload to a generator or a storage battery installed in a city bus. A nonvolatile memory device part stores an operation program and traveling information. A living information memory device part(29) changes living information periodically. A central processing unit part(27) controls and performs operations of each circuit by the operation program. A position information receiver part(24) is controlled by the central processing unit part, and receives a position information signal transmitted from a satellite, and extracts present position coordinates and a traveling speed and a standard time. A voice signal converter part(26) is controlled by the central processing unit part and converts voice information of the traveling information memory device part into a voice signal. A terminal input/output matching part(25) changes the program and the traveling information and the living information stored in the memory device part. A temperature and humidity sensor part(32) senses temperature and humidity in the inside and the outside of the city bus. A clock generator part(22) transfers a clock to the central processing unit part and the voice signal converter part and a logic circuit part(30). And a reset generation part(23) initializes its operation.
Patent KR-20040021727-A (KR)
Title: Amino acid derivatives substituted N-Nsc group, and process for preparing thereof
Inventor: CHOI WON U
IPC: C07C317/48
Filed: 2002-08-29
Abstract: PURPOSE: A 2-(4-nitrophenyl)sulfonylethoxycarbonyl-substituted amino acid derivative, its preparation method and a solid phase peptide synthesis using the derivative are provided, to obtain a compound which has a protecting group capable of being removed within a short time under a mild condition and is applied to the solid phase peptide synthesis for preparing various kinds of peptides with excellent purity and yield. CONSTITUTION: The 2-(4-nitrophenyl)sulfonylethoxycarbonyl-substituted amino acid derivative is represented by the formula 1, wherein R1 is H, -OR or -NHR; and R2 is H, a substituted or unsubstituted alkyl group of C1-C6, a substituted or unsubstituted phenyl group, or an N-R group-substituted indolyl group(wherein R is a trityl group, a halotrityl group, a C1-C6 alkyl-substituted trityl group, or a t-butyloxycarbonyl group).
Patent KR-20040022114-A (KR)
Title: Fabrication method of LED substrate
Inventor: LEE SANG JUN
IPC: H01L21/20
Filed: 2002-09-06
Abstract: PURPOSE: A method for fabricating an LED substrate is provided to improve the quality of a GaN layer by using an ELOG(Epitaxial Lateral Over Growth) method. CONSTITUTION: The first GaN layer(202) and a SiO2 layer are sequentially deposited on a sapphire substrate(201). A pattern mask is formed on the SiO2 layer. The SiO2 layer is etched along a pattern of the pattern mask. The pattern mask is removed from the sapphire substrate(201). The exposed part of the first GaN layer is etched along the pattern formed by the etching process. The pattern of the SiO2 layer is removed from the first GaN layer after the first GaN layer is etched. The second GaN layer(205) is deposited on the first GaN layer without the SiO2 layer.
Patent KR-20040022855-A (KR)
Title: Connecting apparatus for variable muffler
Inventor: PARK GI CHEOL
IPC: F01N1/20
Filed: 2002-09-10
Abstract: PURPOSE: A connecting structure for a variable muffler is provided to vary displacement and capacity according to a change in pressure of exhaust gas. CONSTITUTION: Plates(21,22) are integratedly attached to both ends of an exhaust pipe(20). A muffler(30) is formed in a tubular shape having predetermined volume, and of which connecting parts(33,34) are protruded on both sides of the muffler to receive both ends of the exhaust pipe in a predetermined section. The connecting parts are not welded to both ends of the exhaust pipe for moving of the exhaust pipe and the diameters of the connecting parts are gradually expanded to the outside. Corrugated plates(40) are interposed between both side walls of the muffler and both plates of the exhaust pipe, having a plurality of damps to prevent the exhaust gas from being leaked to the outside, and to buff moving of the exhaust pipe.
Patent KR-20030024588-A (KR)
Inventor: NAOI YASUFUMI
IPC: H05B33/06
Filed: 2002-09-13
Abstract: PURPOSE: An EL composite structure is provided to ensure easy connection of an EL device to an EL-driving circuit and stable quality of the connected structure. CONSTITUTION: An EL device is integrated with the surface of a substrate(1). The substrate is processed to have through-holes(10) through which the transparent electrode layer(5) or the auxiliary electrode provided on the transparent electrode layer and the back electrode layer that constitute the EL device are partly exposed out, and the transparent electrode layer or the auxiliary electrode and the back electrode layer are electrically connected with an EL-driving circuit via the through-holes.
Patent KR-20030024616-A (KR)
Inventor: ISHII TOSHIAKI
IPC: H01L23/433
Filed: 2002-09-17
Abstract: PURPOSE: To prevent defects such as leakage and short circuits due to ion migration. CONSTITUTION: A semiconductor device comprises a plurality of inner leads 1a formed of copper or copper alloy, a heat radiation plate 3 which is formed of copper or copper alloy and is bonded to one end of each of the plurality of inner leads 1a via an adhesive layer 2 and is mounted with a semiconductor element 4 via the adhesive layer 2, a plurality of metal fine lines 6 which connects the semiconductor element 4 and each of the plurality of inner leads 1a, a sealing resin 8 for sealing the semiconductor element 4 and a plurality of metal fine lines 6, and a plurality of gull wing-like outer leads 1b projecting outside the sealing resin 8. the sealing resin 8 is added with an additive such as an ion trapping agent which combines with ionic impurities, thereby making the water nearly neutral in a releasing section, which hardly causes copper to react and elute and thereby prevents Cu migration.
Patent KR-20040031955-A (KR)
Title: Method for manufacturing a semiconductor device
Inventor: LEE JEONG SEOK
IPC: H01L21/28
Filed: 2002-10-08
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of improving CD(Critical Dimension) of the bottom portion of an SNC(Storage Node Contact). CONSTITUTION: A bit line(35) with a hard mask(37) and a nitride spacer(39) is formed on the first interlayer dielectric(33). The second interlayer dielectric is formed on the resultant structure. A storage node contact is formed by selectively etching the second and first interlayer dielectric. A PE-nitride layer having bad step coverage is formed on the resultant structure to generate overhang profile on the hard mask. An SNC spacer(47) is formed at inner walls of the SNC. Then, a plug is formed in the SNC.
Patent KR-20040033171-A (KR)
Inventor: KWON SANG HO
IPC: A61H23/02
Filed: 2002-10-11
Abstract: PURPOSE: A massager with an improved structure is provided to massage both sides of backbone of a user by moving in the direction of the backbone and thus, to improve massage effects. CONSTITUTION: The massager includes a frame(20) that moves back and forth along a guide installed inside a base of the massager; a motor fixed at a certain position inside the frame(20); a worm gear installed at a shaft(25) of the motor; gears(23,24) that are engaged with the worm gear; a massage plate(30) tilted at a certain angle from the shaft(25) and having radially formed projections for massaging the body of a user; and a frame driver for driving the frame(20) back and forth so that the massage plate(30) moves in the direction of the backbone of the user.
Patent KR-20030011020-A (KR)
Title: plant cultivation device
Inventor: WANG YEONG SEONG
IPC: A01G27/04
Filed: 2002-10-14
Abstract: PURPOSE: Provided is a plant cultivator which continuously supplies an appropriate amount of water and a nutritive solution stored in a storage tank at the lower part thereof for a long period of time. CONSTITUTION: A nutritive solution guider(30) is removably formed at a nutritive solution supply space of a pot(1) for receiving plant cultivating material to guide a specified amount of a nutritive solution to a supply direction. A moisture absorption member(24) is formed to contact with the nutritive solution guider to absorb water contained in a water refill and feed tank(20) for supplying a specified amount of moisture to the pot and then to supply the moisture to solid fertilizer. An infiltration shielding member(12) for preventing the plant from infiltrating into a fertilizer space is also placed between the nutritive solution guider and the pot.
Patent KR-20040037424-A (KR)
Title: Sealing structure of piston pump
Inventor: KIM SANG MYEONG
IPC: F04B39/00
Filed: 2002-10-28
Abstract: PURPOSE: A seal structure for a piston pump is provided to remove fine particles with a scraper at first and to secure attaching force to a piston rod by equal pressure. CONSTITUTION: A surface pressure operating portion of a seal ring(107) is formed inside a packing case(103) to pressurize a piston rod(105). A side of the surface pressure operating portion is open. A scraper(119) is mounted to an outer end of the packing case on the piston rod to filter particles. The surface pressure operating portion has a space portion inside. Lip portions are formed to both open sides of the surface pressure operating portion as a slant surface. The scraper is metallic material. Thereby, particles are removed by the scraper and internal pressure and abrasion resistance are improved by securing attaching force to the piston rod.
Patent KR-20040039510-A (KR)
Title: Apparatus for synchronizing frame for burst mode receiver and method thereof
Inventor: HWANG SEONG HYEON
IPC: H04L7/00
Filed: 2002-11-01
Abstract: PURPOSE: A frame synchronization unit for burst mode receiver and a synchronizing method thereof are provided to perform easily a frame synchronization process by using the correlation between a received signal and a preamble. CONSTITUTION: A frame synchronization unit for burst mode receiver includes a correlator(450), a real channel processor(500), an imaginary processor(550), and OR gate(600). The correlator(450) is used for calculating a correlation function between a received signal pattern, and a preamble pattern and outputting a real part as a real channel frame synchronization value and an imaginary part as an imaginary channel frame synchronization value. The real channel processor(500) is used for performing a non-linear process for the real channel frame synchronization value by using a non-linear function, comparing the processed value to a critical value, and outputting the compared result. The imaginary processor(550) is used for performing the non-linear process for the imaginary channel frame synchronization value by using the non-linear function, comparing the processed value to the critical value, and outputting the compared result. The OR gate(600) performs OR operation for an output value of the real channel processor and an output value of the imaginary processor.
Patent KR-20040043006-A (KR)
Title: A bulletproof helmet and its manufacturing method therefor
Inventor: BAEK BYEONG MAN
IPC: F41H1/04
Filed: 2002-11-15
Abstract: PURPOSE: A bulletproof helmet and method for manufacturing the same is provided to improve the bulletproof efficiency of the helmet and reduce the thickness and weight of the helmet. CONSTITUTION: A method for manufacturing a bulletproof helmet comprises the steps of: coating uni-direction type ultra high molecular weight polyethylene fiber with thermoplastic resin; cutting and stacking the polyethylene fiber(100) coated with the thermoplastic resin; covering the polyethylene fiber with release films; compressing the polyethylene fiber installed on a mold(200) into the helmet; stacking wing-shaped fabric(400) coated with thermosetting resin and square fabric(401) coated with thermosetting resin to the inside and outside of the helmet.
Patent KR-20040044282-A (KR)
Title: Recording medium comprising colored layer and ink receiving layer
Inventor: KANG DON YUN
IPC: B41M5/00
Filed: 2002-11-21
Abstract: PURPOSE: Provided is a writing medium having a UV-curable color layer and a UV-curable ink-receiving layer, which contacts closely to a substrate surface and shows excellent absorptivity and adsorptivity to an aqueous ink. CONSTITUTION: The writing medium comprises a base plate, a color layer and an ink-receiving layer. In the writing medium, the color layer comprises 100 parts by weight of a (meth)acrylate monomer, 50-300 parts by weight of a binder and 30-150 parts by weight of a polymerizable monomer. Additionally, the ink-receiving layer comprises a (meth)acrylate monomer, a (meth)acrylate oligomer and N-vinyl-2-pyrrolidone.
Patent KR-20040045606-A (KR)
Title: Water Circulation System For Semiconductor Device Manufacturing Apparatus
Inventor: HAN GWANG YUN
IPC: H01L21/00
Filed: 2002-11-25
Abstract: PURPOSE: A constant temperature water circulation system of semiconductor device manufacturing equipment is provided to be capable of automatically controlling the flow rate of constant temperature water for conserving the temperature of the water and increasing the lifetime of a pump. CONSTITUTION: A constant temperature water circulation system(201) includes a constant temperature bath(102) connected to semiconductor device manufacturing equipment, a constant temperature water chamber supply tube(104), and a constant temperature water chamber exhaust tube(105) for conserving deionized water to a predetermined temperature by using cooling water and a heater. The constant temperature water circulation system further includes deionized water storing tank(108) connected to the bath and a deionized water supply tube, and a control part for securing a predetermined water level of the bath by controlling a constant temperature water exhaust solenoid valve(206) and a deionized water supply solenoid valve according to the result of a level detecting sensor. At this time, the level detecting sensor is installed in the bath.
Patent KR-20040045720-A (KR)
Inventor: PARK EUN GYU
IPC: B60N2/02
Filed: 2002-11-25
Abstract: PURPOSE: A seat structure for a bus is provided to make a heavy passenger travel comfortably by forming a gap between seats with a seat moved toward an aisle. CONSTITUTION: A two-row seat(50) is installed to a side of an aisle(60). The two-row seat comprises a fixing seat(51), a moving seat(52) and a moving rail(53). The fixed seat is fixed to a floor of a vehicle body. The moving seat is installed to a side portion of the fixed seat. The moving rail guides the moving seat.
Patent KR-20040050994-A (KR)
Title: Cooling and Heating Device Using Hydrogen Storage Alloys
Inventor: CHA GANG UK
IPC: F25B17/12
Filed: 2002-12-11
Abstract: PURPOSE: A cooling and heating apparatus using hydrogen storage alloys is provided to prevent the performance of reactors from lowering by preventing oil from moving into the reactors, thereby improving the performance of a cooling and heating apparatus and lengthening the expected life span thereof. CONSTITUTION: A pair of reactors(10,15) are filled with a hydrogen storage alloy inside to exchange heat with the external air. A hydrogen passage pipe(20) is connected with the reactors to guide a flow of hydrogen from one reactor to the other reactor. A plurality of ventilating fans(30,35) forcibly absorb the external air to exchange heat with the pair of reactors, and forcibly send the air into a room or out of the room. A compressor(40) is installed on the hydrogen passage pipe to generate sending power for forcibly sending hydrogen from one reactor to the other reactor. An oil separator(60) is connected with a discharge side of the compressor to separate oil from a mixed fluid of hydrogen and oil. An oil recovery pipe(61) has one end connected with the oil separator for recovering oil to the compressor, and the other end directly connected with the inside of the compressor to prevent oil from moving into the reactors. A passage control valve(50) controls a flow direction of hydrogen.
Patent KR-20040051345-A (KR)
Title: Arrangement structure for brush in cleaner
Inventor: LIM HYEONG BIN
IPC: A47L9/00
Filed: 2002-12-12
Abstract: PURPOSE: Structure for arranging a brush for a cleaner is provided to improve the efficiency of a cleaner by placing brushes of which rotational center lines cross each other at a specific angle. CONSTITUTION: Brushes(111,112,113) are rotatably installed inside a dust suction head(6) to sweep the dust and dirt on the floor. The brushes comprises shaft parts(111a,112a,113a) combined to brush motors(121,122) to receive the rotational force and brush parts(111b,112b,113b) thickly combined to the circumference of the shaft parts and rotating with the shaft parts. The brushes are arranged in the shape of an isosceles triangle. The first brush is placed vertical to the advancing direction of a cleaner, while the second and third brushes are placed slanting to the advancing direction of the cleaner.
Patent KR-20040052264-A (KR)
Title: An apparatus for guiding wire rods in rolling line
Inventor: CHO GEON GWAN
IPC: B21B39/14
Filed: 2002-12-16
Abstract: PURPOSE: An apparatus for guiding transfer of wire rod in rolling line is provided to prevent defects such as scratches, prevent safety accident of workers and improve productivity of wire rod products by elastically transferring the wire rod as guide rolls are being vertically moved along a transfer path of the wire rod in the rolling line. CONSTITUTION: In a guide apparatus(1) positioned between guide blocks arranged between rolling stands in rolling line, the apparatus comprises a rotation shaft(10) rotationally installed on a bracket(12) between the guide blocks; a disk means(30) installed on the rotation shaft so that the disk means adjusts rotation angle of the rotation shaft; a weight means(50) which is linked with the disk means and installed at an end part of the rotation shaft, wherein weights(52) are attached to or detached from the weight means; and a guide roll rotationally rested on stands(72) vertically fixed to both sides of the rotation shaft to guide transfer of the wire rod so that transfer of the wire rod is elastically guided.
Patent KR-20040054057-A (KR)
Title: Method for transmitting paging channel message in a mobile communication system
Inventor: KANG SEONG IL
IPC: H04B7/26
Filed: 2002-12-17
Abstract: PURPOSE: A method for transmitting a paging channel message of a mobile communication system is provided to increase transmission efficiency of an overhead message or an MDM(Mobile Directed Message) transmitted to a paging channel, thereby improving a receiving rate of a data burst message and a general page message. CONSTITUTION: A system sequentially transmits messages in an overhead message transmission cycle(S111). Whenever the messages are transmitted, the system calculates paging channel slot load rates of slots(S114). The system decides whether an MDM which is not transmitted among the transmitted messages exists(S117). If so, the system counts slot numbers(S120), and decides whether the transmitted messages reach a 3-slot cycle(S123). If so, the system calculates an average value by using the paging channel slot load rates(S126). The system calculates an average value of the counted slots during the 3-slot cycle(S129), and determines slots that transmits overhead messages, based on the average value of the slots and the average value of the load rates(S132). The system transmits the overhead messages to the determined slots(S135).