baber/WOPTO huggingface dataset:
Patent KR-20030014645-A (KR)
Inventor: MIZOBUCHI SHOTARO
IPC: F16C33/10
Filed: 2002-08-08
Abstract: PURPOSE: To provide a dynamic pressure seal device applicable to a rotor rotating at high speed and capable of delivering object fluid between a rotating-side member and a fixed-side member without causing leakage for a long period, even if used for the delivery of high-pressure fluid, and also to provide a rotary joint device using the same. CONSTITUTION: The fixed-side member 1 and the rotating-side member 2 are opposed in both sides of a prescribed clearance, and lubricating fluid is led to the clearance to be formed into a dynamic pressure bearing. The fixed-side member 1 is formed with a feed hole 13 opened to the bearing clearance of the dynamic pressure bearing and feeding the object pressure fluid to the rotating-side member 2. The rotating-side member 2 is formed with a receiving hole 22 opened to the bearing clearance of the dynamic pressure clearance in opposition to the feed hole 13 and receiving the object fluid from the feed hole 13.
Patent KR-20040014771-A (KR)
Title: a cokes boiler
Inventor: LEE IN YEOUNG
IPC: F23J1/06
Filed: 2002-08-12
Abstract: PURPOSE: A coke boiler is provided to facilitate the exhaust of ash at the combustion of cokes and the supply of the air into a combustion chamber so as to improve the thermal efficiency and reduce the exhaust gas. CONSTITUTION: A coke boiler is composed of a combustion chamber(1), an exhaust gas chamber(2), a space(3) outside the combustion and exhaust gas chambers, and a cokes injector(4). A rostol(5) in the combustion chamber has a fixing rostol having a coke guide and a rotating rostol having a protrusion engaged with each other. The exhaust gas chamber is formed with upper and lower exhaust gas chambers(21,22) to a staying plate(214). A damper(223') is formed in an exhaust gas chimney(223) on the upper exhaust gas chamber to control the amount of the exhaust gas.
Patent KR-20040027205-A (KR)
Title: Dry mortar and its manufacturing method containing blast furnace slag
Inventor: JU MYEONG GI
IPC: C04B18/14
Filed: 2002-09-27
Abstract: PURPOSE: Provided is dry mortar containing blast furnace slag for constructing or repairing underground structures, sea or harbor facilities, which can be used in the construction sites by mixing with water. CONSTITUTION: The dry mortar containing the blast furnace slag is produced by dry-mixing 100pts.wt. of a cement binder comprising 50-70wt% of cement and 30-50wt% of blast furnace slag powder, 200-350pts.wt. of a fine aggregate, 10-15pts.wt. of a polymer, 0.5-2pts.wt. of an antifoaming agent, 2-6pts.wt. of a shrinkage reducing agent, and 0.2-2pts.wt. of a decreasing agent, wherein the polymer is ethyl vinyl acetate having a particle size of 60-80 micrometer.
Patent KR-20040028273-A (KR)
Title: Method of wasetwater treatment
Inventor: CHO YEONG OK
IPC: C02F9/14
Filed: 2002-09-30
Abstract: PURPOSE: Provided is a wastewater treatment method being capable of rapidly removing highly concentrated solids, nitrogen and phosphorous from wastewater by a struvite precipitation method and recycling the struvite as fertilizer by increasing purity of crystallization of struvite. CONSTITUTION: In wastewater treatment works having a solid-liquid separator (1), a struvite precipitation reaction tank (2), a struvite tank (3) for storing the struvite precipitation, a two-step intermittent aeration tank (3,4) and a final clarifier, the method comprises the steps of separating solids from wastewater by the solid-liquid separator (1), causing struvite precipitation reaction for removing nitrogen and phosphorous in the precipitation reaction tank (2), intermittently aerating the decant water of the precipitation reaction tank using the two-step intermittent aeration tank (3,4) for nitrifying and denitrifying, and returning a small amount of the struvite precipitation stored in the struvite tank (3) to the struvite precipitation reaction tank (2) for increasing nitrogen removal efficiency.
Patent KR-20040032521-A (KR)
Title: Combustive region improved slim desorber
Inventor: KIM CHUN DONG
IPC: F25B15/00
Filed: 2002-10-10
Abstract: PURPOSE: Absorptive high temperature regenerator is provided to reduce the width almost by half for making the entire system compact, and individually control the combustion of a plurality of combustion chambers, thereby making local load characteristics better. CONSTITUTION: Absorptive high temperature regenerator includes a mixture gas chamber(35) in which air is mixed with fuel, and two branch tube ways(44) connected to the mixture gas chamber and mounted with valves(45) for controlling the flow rate of the mixture gas. Combustion chambers(46) are positioned at each end of the branch tube ways and disposed with combustion parts(39) longitudinally. Surface combustion plates(37) are interposed between the combustion chambers and the combustion parts respectively.
Patent KR-20040035535-A (KR)
Title: Box
Inventor: KIM CHANG HUN
IPC: B65D77/00
Filed: 2002-10-22
Abstract: PURPOSE: A packing box is provided to easily fix an upper cover and a side cover without using a separate clip. CONSTITUTION: The packing box includes a plurality of horizontal walls(101,101') and vertical walls(102,102') integrally formed corresponding to each other. A bottom part defined by the horizontal walls(101,101') is covered by bottom covers(103,103'), and an upper part defined by the horizontal walls(101,101') is covered by upper covers(105,105'). A bottom part defined by the vertical walls(102,102') is covered by bottom covers(104,104'), and an upper part defined by the vertical walls(102,102') is covered by upper covers(106,106'). The upper cover is provided at one end portion thereof with at least one protruded support(107) inserted into holes.
Patent KR-20040038486-A (KR)
Title: Cooking receptacle for induction range and method for manufacturing thereof
Inventor: LEE JONG BOK
IPC: A47J36/02
Filed: 2002-11-01
Abstract: PURPOSE: A cooking vessel for an induction range and manufacturing method thereof is provided to prevent a conductive plate from being easily separated from a vessel body by integrally attaching the conductive plate to the vessel body. CONSTITUTION: A cooking vessel(1) for an induction range is composed of a vessel body(3) made of nonconductive metal, a conductive plate(5) integrated with the bottom of the vessel body, and a plurality of inclined holes(7) formed at the conductive plate. Nonconductive metal materials pass through the inclined holes.
Patent KR-20040039125-A (KR)
Title: Opening and closing apparatus for controlling temperature of HVAC
Inventor: KIM EUNG YEONG
IPC: B60H1/00
Filed: 2002-11-04
Abstract: PURPOSE: An opening and closing device is provided to reduce the size and the weight of a heating, ventilating and air conditioning device by improving the structure of a door for controlling a temperature. CONSTITUTION: At least two doors(50,60) are installed between a heat exchanger(30) and a heater core(40). The doors open or isolate heat from the heater core by rotating to ventilate cold air and hot air to be generated from the heat exchanger and the heater core to an outlet of a case(10). The rotation of the doors is performed by an operating device. The operating device comprises many levers and links in the outside of the case. Thereby, the gap between the heat exchanger and the heater core and the size and the weight of a heating, ventilating and air conditioning device are reduced. Therefore, the space inside a car room is secured sufficiently.
Patent KR-20030040083-A (KR)
Title: Process for manufacturing multiple layer wiring substrate onto which thin film capacitor is incorporated
Inventor: TAKANO AKIHITO
IPC: H05K3/46
Filed: 2002-11-11
Abstract: PURPOSE: To provide a method of manufacturing a multilayer wiring board which is capable of concurrently forming a plurality of thin film capacitors by selectively anodizing the limited area of a conductor pattern and making products decrease in fraction defective. CONSTITUTION: The surface of a conductor pattern 3 except the lower electrode forming region 17 of a thin film capacitor element 12 is covered with a first resist film 13, and a metal film layer 5 is formed on all the surface of the conductor pattern 3. Then, the first resist film 13 is separated, the metal film layer 5 is removed from the surface of the conductor pattern 3 except the lower electrode forming region 17, the surface of the conductor pattern 3 except the metal film layer 5 deposited on a part which is to serve as a lower electrode 4 is covered with a second resist film 14, and an anodized film 6 is formed on the metal film layer 5 exposed from the second resist film 14. Then, the second resist film 14 is separated, a contact/seed layer 15 is deposited on surfaces of the anodized film 6 and the metal film 5, and a conductor pattern 8 is formed on the anodized film 6 to serve as an upper electrode.
Patent KR-20040043245-A (KR)
Title: Structure of electrode for GaN-based semiconductor
Inventor: CHOO SEONG HO
IPC: H01L33/36
Filed: 2002-11-16
Abstract: PURPOSE: A structure of GaN compound semiconductor electrode is provided to restrain the surface reaction between a GaN compound semiconductor layer and a metal layer and prevent the mutual reaction between metal layers used as electrodes by additionally forming an inter-diffusion barrier between a contact layer and an electrode layer. CONSTITUTION: A structure of GaN compound semiconductor electrode is provided with a GaN compound semiconductor layer(11), a contact layer(12) formed on the GaN compound semiconductor layer, and an inter-diffusion barrier(13) formed on the contact layer. The GaN compound semiconductor electrode structure further includes an electrode layer(14) formed on the inter-diffusion barrier. Preferably, the inter-diffusion barrier is formed on a P type GaN compound semiconductor layer. Preferably, the inter-diffusion barrier is a multilayer metal. At this time, the multilayer metal is completed by sequentially depositing a Mo/W/Mo layer.
Patent KR-20040044568-A (KR)
Title: Locking device for cell type battery pack in portable radiotelephone
Inventor: KIM BONG DO
IPC: H04B1/38
Filed: 2002-11-21
Abstract: PURPOSE: A cell type battery pack locking device of a portable wireless terminal is provided to simultaneously take out a cover and a cell type battery pack by the locking device, thereby easily taking out the cover and the cell type battery pack from a terminal with only one-directional operation of a locker. CONSTITUTION: A locking device comprises as follows. A hook-shaped projection(12) is extended on a body(11), and is protruded outside a terminal(20) according to front/rear operations in order to be hooked over a hooking groove(31) formed on a cover(30). A locker(10) is extended on the body(11), is protruded in a setting groove(21) of a battery pack(40) according to front/rear operations, and consists of a take-out projection(13) pushing a lower side of the battery pack(40) in upward direction. The cover(30) and the cell type battery pack(40) are simultaneously taken out according to an operation of the locker(10).
Patent KR-20040045205-A (KR)
Title: Circuit For Controlling Reference Clock in Phase Locked Loop
Inventor: YANG YEONG JU
IPC: H04L7/00
Filed: 2002-11-23
Abstract: PURPOSE: A reference clock control circuit of a PLL is provided to prevent an installation error and a malfunction of a system due to a clock control cable by simplifying a structure of the reference clock control circuit. CONSTITUTION: A reference clock control circuit of a PLL includes a plurality of multiplexers, a plurality of tri-state buffers, and a reference clock control unit. The multiplexers(414,424,434) are used for receiving reference clocks of plural line drivers and outputting selectively the reference clocks of particular ports according to the first and the second selection signals. The tri-state buffers(415,425,435) are used for enabling or disabling the outputs of the multiplexers according to the control signals for controlling the reference clocks. The reference clock control unit outputs the control signals for enabling or disabling the outputs of the tri-state buffers according to the third and the fourth selection signals.
Patent KR-20040045765-A (KR)
Title: Method of forming DRAM cells having storage nodes
Inventor: JUNG SE MIN
IPC: H01L27/108
Filed: 2002-11-25
Abstract: PURPOSE: A method for forming a DRAM(Dynamic Random Access Memory) cell having a storage node is provided to be capable of increasing the margin degree for a cleaning process before a storage node layer depositing process without forming a bridge between neighboring storage nodes. CONSTITUTION: An interlayer dielectric and a protecting layer(19) are sequentially formed on a semiconductor substrate(1). A plurality of storage node plugs(21) are formed through the protecting layer and the interlayer dielectric. A molding layer(23) having an etch selectivity ratio for the protecting layer is formed on the resultant structure. A plurality of pre-storage node holes are formed by selectively patterning the molding layer for exposing each storage node plug. Then, enlarged storage node holes are formed by carrying out a cleaning process on the exposed storage node plugs. A plurality of storage nodes(27) are formed in the enlarged storage node holes for contacting the cleaned storage node plugs. Preferably, the protecting layer and the molding layer are made of a silicon nitride layer and a silicon oxide layer, respectively.
Patent KR-20040048726-A (KR)
Title: Adjustment type slide core
Inventor: KIM SEOK JONG
IPC: B29C45/33
Filed: 2002-12-04
Abstract: PURPOSE: A slide core is provided to easily assemble a mold by controlling an angle deviation. CONSTITUTION: A hole(110) is formed in a mold by inclining at an angle to release an undercut. A rod(120) is inserted in the hole. A slide core(130) is located in a generated position of the undercut by combining with the upper part of the rod and interlocked with the rod by releasing the undercut when a product is ejected. A core fixing bolt combines the rod with the slide core. An angle control portion(150) controls the inclined angle of the slide core according to the inclined angle of the hole by combining with the lower part of the rod. An eject plate(160) moves the angle control portion crosswise. A rail(170) loads the angle control unit and guides the slide core to move horizontally for releasing the undercut. Thereby, the productivity is improved by preventing a mold trouble.
Patent KR-20040049531-A (KR)
Title: billing system and method in wireless internet system
Inventor: KIM SE HAN
IPC: H04W4/24
Filed: 2002-12-06
Abstract: PURPOSE: An accounting system in a wireless Internet system and a method thereof are provided to perform an accounting process in accordance with packet usage of each user based on data packet usage measured by a wireless access point, thereby reasonably carrying out the accounting process between a user and a service provider. CONSTITUTION: An accounting DB(42) stores a UDR(User Data Record) supplied from a wireless access point(20), and stores a CDR(Charge Data Record) by user. An accounting processor(41) generates the CDR for accounting according to packet usage of the users based on the UDR transmitted from the wireless access point(20). An authentication server(50) authenticates wireless Internet access of a user terminal(10). A service providing server(60) supplies a data packet corresponding to a service requested to the authenticated user terminal(10). A connection device(70) connects the wireless access point(20) with the Internet(30).
Patent KR-20040055217-A (KR)
Title: A method for manufacturing extraction rosin for extraction and separation of an rare earth element
Inventor: CHO JIN UK
IPC: C08F212/08
Filed: 2002-12-20
Abstract: PURPOSE: Provided is a process for producing an extracting resin for extracting and separating a rare earth element, which can make a separating and refining process simple, regenerate semipermanently, and easily separate the rare earth element in high purity. CONSTITUTION: The process comprises the steps of: preparing a copolymer by injecting an initiator into a mixture of distilled water, styrene, and divinyl benzene; adding a rare earth element extracting agent, a dispersant, a stabilizer, a pore forming agent to the copolymer preparing step; stirring at 70-90deg.C and 400-2000rpm and then post-treating, wherein the post-treating comprises the steps of: reacting at 70-90deg.C for 12-24 hours and then cooling slowly and filtering the extracting resin; cleaning for 10-60 min. with an alcohol and drying. The initiator is selected from a benzoyl peroxide or azobis isobutyronitrile and the extracting agent is bisdiethyl hexyl phosphinic acid.
Patent KR-20040056229-A (KR)
Title: Screwdriver
Inventor: LEE GWAN HUI
IPC: B25B15/00
Filed: 2002-12-23
Abstract: PURPOSE: A screwdriver is provided to improve working efficiency by enabling a worker to easily tighten/untighten a screw or a bolt even in a narrow space. CONSTITUTION: A screwdriver is composed of an outer cylindrical case(10), an inner cylindrical case(20) installed in the outer case and having at least one groove(20a), a rotary power generating unit(40) installed at the bottom of the outer case and fixed to the inner case, and a sliding case(30) installed between the inner and outer cases. First and second bevel gears(32,36) are installed in the sliding case.
Patent KR-20040056343-A (KR)
Title: Mounting structure of vegetable box in refrigerator
Inventor: PARK TAE HO
IPC: F25D25/00
Filed: 2002-12-23
Abstract: PURPOSE: A structure for mounting a vegetable box in a refrigerator is provided to effectively use the storage space of the vegetable box by mounting a rack and make the withdrawing and inserting of foodstuff with respect to the vegetable box simple by opening or closing a vegetable box door automatically. CONSTITUTION: A structure for mounting a vegetable box in a refrigerator includes a vegetable box(60) formed with racks(64) at both upper ends. A cover(70) covers an opened top part of the vegetable box and serves as a rack for securing foodstuff. The vegetable box slides back and forth by slide supporting dies(62) of side walls of a vegetable chamber. The racks are secured on the slide supporting dies to serve as sliders. The vegetable box is mounted with a vegetable rack(66) at a predetermined height. A vegetable box door(72) is mounted to a front end of the cover, and has hinges(74) at both upper ends, so that the vegetable box door opens or closes a front withdrawing hole(67) of the vegetable box by the guide of rotation pinions(76) mounted on the hinges. When the vegetable box is withdrawn forward, the rotation pinions are engaged with the racks, thereby opening the front withdrawing hole.
Patent KR-20030055146-A (KR)
IPC: G06F3/033
Filed: 2002-12-24
Abstract: 본 발명은 조이스틱 노브(1a)의 조작시에, 선택위치를 거칠 때마다 노브(1a)의 반항력을 순차 증대시켜, 항상 노브(1a)를 확실하게 종동(終動)선택위치에서 정치시킬 수 있는 조작제어장치를 제공하는 것이다. 
     2원방향으로 간헐조작 가능한 조이스틱 노브(1a)를 가지는 수동조작부(1), 노브(1a)의 노브변위정보를 발생하는 노브변위 검지부(2a, 2b), 노브변위정보로부터 얻은 노브변위량을 포스량으로 변환하는 제어부(3), 노브(1a)의 조작시에 포스량에 대응한 힘을 노브(1a)에 부여하는 포스 부여부(6)를 구비하고, 제어부(3)는 노브(1a)가 시동위치로부터 하나 이상의 간헐위치를 거쳐 종동위치까지의 조작시에, 하나 이상의 간헐위치의 포스량을 시동위치측으로부터 종동위치측으로 감에 따라 단계적으로 증대하도록 설정하였다.
Patent KR-20040056786-A (KR)
Title: Test mode circuit of a semiconductor memory device
Inventor: JANG JI EUN
IPC: G11C29/46
Filed: 2002-12-24
Abstract: PURPOSE: A test mode circuit of a semiconductor memory device is provided to reduce the number of metal lines by grouping test mode items in a fixed number. CONSTITUTION: A test mode control unit(10) outputs a test mode set signal controlling test mode setting using a mode register set signal and a test mode set address signal. A test mode decoder(30) is controlled by the test mode set signal, and selects a test mode item group using upper address signals. And a test mode item selection unit(50) selects a corresponding test mode item among test mode item groups selected by the test mode decoder using lower address signals.
Patent KR-20040056979-A (KR)
Title: ethod for call admission control of mobile communication and its program stored recording medium
Inventor: JANG SEONG CHEOL
IPC: H04B7/26
Filed: 2002-12-24
Abstract: PURPOSE: A method for controlling call admission in mobile communication and a recording medium storing a program to realize the same are provided to efficiently use system resources and to execute discriminatory processing according to the traffic characteristics of mobile users in the case of system congestion. CONSTITUTION: If the service speed of an arrived call is fixed in case that the arrived call is a new call(S12,S13), a base station judges whether the call meets the first condition in which (Ipresent + ΔIi) is less than (Itotal - IGMreserved, new call)(S14). If the call satisfies the first condition, the base station approves the call request at a service speed of Ri(S15). However, in case that the call does not meet the first condition, the base station rejects the call(S16). Meanwhile, if the arrived call is a new call and the service speed is variable(S21), the base station judges whether the call meets the second condition in which (Ipresent + ΔImaxi) is less than (Itotal - IGMreserved, new call)(S22). In case that the call meets the second condition, the base station approves the call request at a service speed of Rmaxi(S23).
Patent KR-20040058466-A (KR)
Title: Method of manufacturing double reduced steel sheet with excellent formability
Inventor: KIM BYEONG SU
IPC: B21B3/02
Filed: 2002-12-27
Abstract: PURPOSE: A method for manufacturing double reduced cold rolled steel sheet having superior resistance weldability and superior workability, threadability and necking formability in the continuous annealing process by suppressing formation of abnormally coarse grained structure of the heat affected zone is provided. CONSTITUTION: The method comprises a step of soaking in an austenite region an aluminum killed steel comprising 0.003 wt.% or less of carbon (C), 0.3 to 0.6 wt.% of manganese (Mn), 0.015 wt.% or less of sulfur (S), 0.04 to 0.09 wt.% of aluminum (Al), 0.003 wt.% or less of nitrogen (N), 0.01 to 0.02 wt.% of titanium (Ti), 0.0005 to 0.002 wt.% of boron and a balance of Fe and other inevitable impurities and satisfying the following relations: Ti*/C(%)=-0.95 to -0.15, where Ti*=Ti(%)-(48/32)S(%)-(48/14)N(%), and a weight ratio of B/N=0.45 to 0.6; a step of hot rolling the soaked aluminum killed steel at a finish rolling temperature of 910 to 930 deg.C; a step of coiling the hot rolled steel sheet in the temperature range of 600 to 700 deg.C; and a step of cold rolling the coiled steel sheet under the conditions that first cold reduction ratio (CR1) and second cold reduction ratio (CR2) satisfy the following relations: 83<=CR1<=90, 95<=(CR1+0.9xCR2)<=120.
Patent KR-20040058599-A (KR)
Title: Nanohybrid Materials Containing Food Dyes, And Processes For Preparing The Same
Inventor: CHOI JIN HO
IPC: B82B3/00
Filed: 2002-12-27
Abstract: PURPOSE: Nano-sized mixture containing edible pigments is provided, which has no harm to human body, thermal stability, and brilliant color by using edible pigments and layered metal hydroxides. CONSTITUTION: Nano-sized mixture containing edible pigments is prepared by coprecipitating layered metal hydroxides such as hydroxy double salts(HDS), or layered double hydroxides(LDHs) and edible pigments having anions, wherein the concentration of metal ions is 0.01-5M, the concentration of edible pigments is 0.1-10times higher than total metals, the pH of the solution is 4-11, the reaction temperature is 0-50deg.C, and the solvent is water, alcohol or mixture thereof. The hydroxy double salts(HDS) have a crystalline structure of hydrozincite(Zn5(OH)6(CO3)2·nH2O) or zinc basic salts(Zn5(OH)8Cl2·nH2O). The layered double hydroxides(LDHs) are expressed by a formula of £M(II)1-xM(III)x(OH2)|¬x+ (A¬n- x/n)·mH2O, wherein M(II) is Zn+2, Mg+2, Ca+2 or Fe+2, M(III) is Al+3, Fe+3, Cr+3 or Co+3, and A is anion. The edible pigment is Red #40, Yellow #5, blue #1, red(#2, #102, #106), green #3, blue #2, etc., preferably Red #40, Yellow #5 or blue #1.