baber/WOPTO huggingface dataset:
Patent KR-20010069731-A (KR)
Title: System for administer history of jewels
Inventor: JUNG HYEON HUI
IPC: G06Q30/06
Filed: 2001-05-02
Abstract: PURPOSE: A system for managing a history of a jewel is provided to enhance a reliability and an equity of a jewel by managing history information including inherent information, processing and selling information of a jewel. CONSTITUTION: A seller(100), a plurality of customers(200¯400), a lending institution(500), and a service providing server(600) are connected through the Internet. The seller(100) notifies history information including inherent information, producing/processing and selling/possession information to the service providing server(600). The service providing server(600) stores the history information as a jewel history information document. If a transfer of ownership of the corresponding jewel through the customers(200¯400) or the seller(100) is generated, the customers(200¯400) or the seller(100) notifies the information to the service providing server(600). The service providing server(600) updates the contents of the transfer of ownership. If the customer(400) or the seller(100) requests a loan with the jewel house as collateral, the lending institution(500) requests the history information to the service providing server(600). The service providing server(600) provides the history information of the jewel to the lending institution(500).
Patent KR-20020084879-A (KR)
Title: Method of Fabricating Semiconductor Device Using Ultraviolet Rays Exposure Technique
Inventor: HONG SU JIN
IPC: H01L21/3065
Filed: 2001-05-04
Abstract: PURPOSE: A method for fabricating a semiconductor device by using a ultraviolet irradiation method is provided to prevent generation of charges trapped on an etched material layer and improve an electric characteristic of the semiconductor device by irradiating ultraviolet rays on the etched material layer. CONSTITUTION: A pad oxide layer and a silicon nitride layer are formed on a semiconductor substrate(100). A trench mask pattern is formed by patterning the silicon nitride layer. The pad oxide layer and the semiconductor substrate(100) are etched by using the trench mask pattern as an etch mask. A pad oxide layer pattern and a region of a trench(130) are formed by etching the pad oxide layer and the semiconductor substrate(100). A thermal oxide layer(140) is formed on an inner wall of the trench(130). A polysilicon layer is formed on a whole surface of the semiconductor substrate(100). A lower isolation layer pattern is formed by etching the polysilicon layer. An ultraviolet irradiation process is performed on the semiconductor substrate(100). An isolation oxide layer is formed on the semiconductor substrate(100). The trench mask pattern is exposed by etching the isolation oxide layer and an upper isolation layer pattern(160) is formed thereby. The trench mask pattern and the pad oxide layer pattern are removed.
Patent KR-20010107589-A (KR)
IPC: F16K31/06
Filed: 2001-05-18
Abstract: A solenoid operated pressure control valve (10) of the type using a spool valve member (24) for controlling flow from a source inlet (60) to a control outlet port (64) and to an exhaust port (68). The solenoid has a reduced area portion (20) of the flux collector (14) in magnetic loop forming an annular air gap remote from the working air gap. The reduced flux across the annular air gap compensates for the rapid flux increase as the working air gap closes. <IMAGE>
Patent KR-20020090577-A (KR)
Title: problem DB installation system to learn and method thereof
Inventor: JUNG U SIK
IPC: G06F17/40
Filed: 2001-05-28
Abstract: PURPOSE: A system and a method for constructing a question database using the Internet are provided to properly classify a question characteristic through a classification algorithm and to make the classification into a database by each classification pattern if a teacher or an examiner presents a question through the Internet. CONSTITUTION: A prototype question database(20) classifies the question from the question information transmitted from a terminal(10) through the Internet according to the difficulty, and stores the question successively according to the type information of the question corresponding to a prototype. An interactive database(30) stores the type information of the question to a withdrawal position by withdrawing a principal or a rule for solving the question from the question information. A control server(50) recognizes an access from the terminal and controls the communication in order to relay the question information to the prototype database or the interactive database.
Patent KR-20020090752-A (KR)
Title: Reduce AMPS mode receiving state current
Inventor: KWON YONG IL
IPC: H04B1/04
Filed: 2001-05-29
Abstract: PURPOSE: A circuit for reducing current consumption during standby mode of an AMPS(Advanced Mobile Phone Service system) mode phone is provided to simultaneously supply power to a high frequency local oscillator and a phase locked loop in a sleep state of an AMPS FM slot mode, and to reduce a warming up time, thereby reducing current consumption as securing system stability. CONSTITUTION: A power regulator(40) turns off power in a sleep state, and turns on the power in an AMPS FM slot mode sleep state. The power regulator(40) supplies the power with a high frequency local oscillator(20) and a PLL(30), regardless of a receiving end(10) in the AMPS FM slot mode sleep state. The power regulator(40) switches power inputted through an input terminal(Vin) as an enable signal(TCXO_EN) inputted through an enable end(EN). A signal power for controlling on/off operations is applied to a sleep terminal. The signal power is output from an MSM(Mobile Station Modem). The receiving end(10) includes an LNA, a mixer, and a buffer end. The PLL(30) performs a function of locking to a required frequency.
Patent KR-20010110137-A (KR)
Title: 액정 표시 장치
IPC: G02F1/139
Filed: 2001-05-30
Abstract: 액정 표시 장치는, 액정 셀의 양측의 액정 보상판과 양 액정 보상판의 외측의 λ/4판을 구비하고 있다.  또한, λ/4판과 직선 편광 필름 사이에는, Rth 보상 필름이 설치되어 있으며, λ/4판을 포함하지 않고, 직선 편광 필름으로부터 λ/4판까지의 범위에서의 두께 방향의 리터데이션 Rth1은 대략 0으로 설정되어 있다.  이에 따라, 액정 셀의 광학 보상용의 리터데이션(두께 방향)을 액정 셀에 가깝게 할 수 있다.  이 결과, 상하 좌우의 시각 특성의 밸런스를 손상시키지 않고, 넓은 시야각을 유지하며, 또한, 정면 방향의 콘트라스트비의 저하를 방지할 수 있다.  따라서, 표시 품위가 양호한 액정 표시 장치를 실현할 수 있다.
Patent KR-20020091490-A (KR)
Title: A structure fixing for front case of Kim-Chi storage
Inventor: CHOI JONG HAN
IPC: F25D11/04
Filed: 2001-05-30
Abstract: PURPOSE: A structure for fixing front case of kimchi storage is provided to securely maintain fixed condition. CONSTITUTION: A front case(40) with a door opening(21) of a storage compartment formed thereon is placed on a front side of a main body cabinet. A middle plate(50) is assembled to an inside of the front case. A storage compartment case made of aluminum and forming the storage compartment is assembled to the front case with the middle plate interposed. A plurality of bosses(41) are formed on an edge of the front case at regular intervals. A plurality of boss holes(51) are formed on the middle plate to face the bosses. The bosses of the front case are inserted to the boss holes of the middle plate. Stop washers(70) are inserted to the peripheral surfaces of the bosses.
Patent KR-20010070794-A (KR)
Title: Food making Method of Saururus Chinesis Bail Solution
Inventor: AHN SUN YEONG
IPC: A23L2/00
Filed: 2001-06-08
Abstract: PURPOSE: A method for producing Saururus Chinesis(Lour) Bail containing-foods is provided, thereby the efficacy of Saururus Chinesis(Lour) Bail can be used in the foods. CONSTITUTION: The method for producing Saururus Chinesis(Lour) Bail containing foods comprises the steps of: collecting leaves, stems and roots from Saururus Chinesis(Lour) Bail grown on from October to December; drying them in the shade; inserting 20 to 30 g of the dried leaves, stems and roots of Saururus Chinesis(Lour) Bail, 40 to 60g of the natural roots of Saururus Chinesis(Lour) Bail and 3.5 to 4.5 liter of water into a pottery; mild heating the pottery for 1 hour; filtering the solution and collecting the extract of Saururus Chinesis(Lour) Bail; and kneading the extract with wheat flour or starch flour to make foods.
Patent KR-20020096680-A (KR)
Title: Method for forming via hole
Inventor: KO MIN GYEONG
IPC: H01L21/28
Filed: 2001-06-21
Abstract: PURPOSE: A method for forming a via hole is provided to prevent an overhang and voids by rounding upper edges of the via hole using isotropic etching and using a nitride layer as an etch stopper. CONSTITUTION: A lower metal wire(B) is formed by sequentially depositing an aluminum film(20) and a first barrier metal(21). After forming a field oxide(22), a first TEOS layer(23) is formed on the field oxide(22). A nitride layer(24) and a second TEOS layer(25) are sequentially deposited on the first TEOS layer(23). The second TEOS layer(25) is isotropic-etched by using the nitride layer(24) as an etch stopper. The aluminum film(20) is exposed by anisotropic etching of the nitride layer(24), the first TEOS layer(23) and the first barrier metal(21), thereby forming a via hole. After forming a second barrier metal(27) in the via hole, a tungsten plug is formed by filling tungsten into the via hole.
Patent KR-20030000608-A (KR)
Inventor: JUNG HOE GWON
IPC: G11C11/40
Filed: 2001-06-26
Abstract: PURPOSE: An input buffer circuit is provided to remove an abnormal pulse generated from noise included in an input signal or a ground line by improving a structure of the input buffer circuit. CONSTITUTION: The first and the second PMOS transistors(P11,P22) are serially between a supply voltage(Vcc) and a node(Nd11). The first and the second PMOS transistors(P11,P22) are controlled by an input signal(IN) and a chip selector bar signal(/CS). The first and the second NMOS transistors(N11,N22) are connected in parallel between the node(Nd11) and a ground node. The first and the second NMOS transistors(N11,N22) are controlled by the input signal(IN) and the chip selector bar signal(/CS). The third NMOS transistor(N44) is connected with the node(Nd11) and a drain terminal of the second NMOS transistor(N22). The third NMOS transistor(N44) is controlled by a signal(b1) of the node(Nd11). A buffer portion receives the signal(b1) of the node(Nd11), buffers an inverted signal(b2) of the signal(b1), and outputs the inverted signal(b2) to a node(Nd22). The buffer portion transmits the supply voltage(Vcc) to the node(Nd22) by a pull-up transistor(P33) if the signal(b1) is 'logic low'. In addition, the buffer portion discharges the signal(b2) of the node(Nd22) to a ground line by a pull-down transistor(N33) if the signal(b1) is 'logic high'. A plurality of inverters(I11,I22) are serially between the node(Nd22) and an output node(Nd33). The first and the second inverters(I11,I22) output a delayed signal(b3) to the output node(Nd33). The third inverter(I33) outputs an inverted signal(b3b).
Patent KR-20030003779-A (KR)
Title: Robot blade for manufacturing semiconductor device
Inventor: KANG TAE GYUN
IPC: H01L21/68
Filed: 2001-07-02
Abstract: PURPOSE: A robot blade for fabricating a semiconductor device is provided to precisely and stably transfer a wafer without a slip of the wafer by including a rubber material which has friction force against the surface of the wafer. CONSTITUTION: Projections(110) are formed at both ends of a plate(102) to prevent the wafer from being separated. A supporting surface(104) is formed on the plate. A groove(106) is formed in the supporting surface. A member(108) has friction force against the surface of the wafer, inserted into the groove and protruding to the upper portion of the supporting surface.
Patent KR-20020005988-A (KR)
Inventor: INGENDOH AXEL
IPC: B01J39/26
Filed: 2001-07-10
Abstract: PURPOSE: A sulfonation process suitable for both macroporous bead polymers and for monodisperse-gel-form bead polymers is provided which gives the sulfonated products the increased osmotic and mechanical stability required to meet current standards and at the same time reliably provides high exchange capacity. CONSTITUTION: The sulfonation process for preparing macroporous or monodisperse-gel-type cation exchangers includes the step of (a) feeding a macroporous or monodisperse-gel-type bead polymer, without swelling agents, into sulfuric acid at temperatures of from 110 to 140 deg.C; (b) stirring the sulfuric-acid-treated bead polymer at a temperature of 110 to 140 deg.C. until complete sulfonation takes place; (c) subjecting the sulfonated bead polymer to cycles of stepwise dilution with sulfuric acids of decreasing concentration; and (d) washing the bead polymer with demineralized water.
Patent KR-20030008410-A (KR)
Title: The method of reusing aluminium hydroxide precipitated from poly aluminium chloride
Inventor: KIM YONG DEOK
IPC: C01F7/34
Filed: 2001-07-18
Abstract: PURPOSE: Provided is a recycling method of colloidal aluminum hydroxide generated from inorganic flocculant, especially polyaluminum chloride, by dissolving Al(OH)3 in NaOH. Accordingly, the formed aluminum salt is used as pH regulator, neutralizer or flocculation aid. CONSTITUTION: The colloidal aluminum hydroxide generated in production, storage and use of polyaluminum chloride, inorganic flocculant, is recycled by mixing colloidal aluminum hydroxide in a form of Al(OH)3-£Al2(OH)nCl6-n| with NaOH in a weight ratio of 1:1, and heating the slurry to get aluminum salts, which is expressed by the following formula: Al(OH)3-£Al2(OH)nCl6-n| + X NaOH -->Y NaAlO2 + Z NaCl + H2O.
Patent KR-20030012228-A (KR)
Title: Digital video recorder having a output functional of analog data
Inventor: PARK CHANG JUN
IPC: H04N7/18
Filed: 2001-07-31
Abstract: PURPOSE: A digital video recorder having an analog data outputting function is provided to convert a digital video signal into an analog video signal in order to record the digital video signal in a recording medium such as a video tape. CONSTITUTION: A digital video recorder converts video information captured by a predetermined image capturing device(110) into digital data and stores a compressed digital signal in a hard disk(130) or display the digital signal. The digital video recorder includes a CODEC(140) for reading the compressed digital video signal stored in the hard disk and decompressing the digital video signal, a video graphic array(160) for converting the digital video signal applied from the CODEC into a predetermined data format for an analog video signal under the control of a controller(150), and an encoder(170) for generating the analog video signal according to the converted data format.
Patent KR-20020013777-A (KR)
Inventor: ITO HISAO
IPC: C12N9/18
Filed: 2001-08-10
Abstract: PURPOSE: To improve the L-threonine or L-isoleucine productive ability of a bacterium belonging to the genus Escherichia. CONSTITUTION: Threonine or isoleucine is produced by culturing the bacterium belonging to the genus Escherichia which features having L-threonine or L- isoleucine productive ability and showing increased intracellular phosphoenol pyruvic acid carboxylase activity and transhydrogenase activity in a culture medium to make the bacterium form and accumulate threonine or isoleucine in the culture medium and by collecting threonine or isoleucine from the culture medium.
Patent KR-20030014767-A (KR)
Inventor: YOO MUN JO
IPC: F16D65/02
Filed: 2001-08-13
Abstract: PURPOSE: A disk brake is provided to prevent rattle noise efficiently without additional parts by integrally interlocking an inner pad plate and a piston with modifying the structure of the piston and the inner pad plate. CONSTITUTION: A disk brake is composed of a disk rotating with a wheel of a vehicle; a pad(51) braking from friction of a disk; a caliper housing embedding a piston(20) operating an inner pad plate(50) to the disk by braking pressure with contacting the pad to the inner pad plate; and a finger part bent in the front of the caliper housing to operate an outer pad plate. A pocket(52) is formed outside the inner pad plate, and the end of the piston is inserted to the pocket. Rattle noise is prevented by integrally forming the inner pad plate and the piston.
Patent KR-20020065319-A (KR)
Inventor: INOUE TOSHIO
IPC: B63B27/00
Filed: 2001-08-14
Abstract: PURPOSE: To issue accurate maintenance instructions to respective ships from a maintenance company side on land even in the case of occurrence of failure of pneumatic transport equipment such that a stop of unlading/loading process occurs. CONSTITUTION: In this maintenance managing system for transport equipment of a bulk carrier, a computer set in the ship collects at least operation information data such as a use number and handling cargo of the pneumatic transport equipment mounted in the ship. The data information is transmitted to a database storage part set in the shipbuilder from the computer by radio via a radio public circuit. The data information is compared with a set threshold value by the computer and the database storage part set in the shipbuilder, and the decided result is transmitted to each the ship and displayed. Thereby, the maintenance instructions can be issued, and a maintenance component is extracted if necessary.
Patent KR-20030016043-A (KR)
Title: A OELD(Organic Electro Luminescence Display) device of anti-oxidation structure
Inventor: JUNG SUN MUN
IPC: H05B33/04
Filed: 2001-08-20
Abstract: PURPOSE: An organic electroluminescence display is provided to achieve improved operating efficiency of an organic electroluminescence display by preventing ingress and diffusion of oxygen or water. CONSTITUTION: An organic electroluminescence display comprises a glass substrate(201) made of a transparent material for permeation of light; an anode layer(210) connected to an external positive potential and deposited on the glass substrate by an oxygen compound-based material; a diffusion barrier film(202) deposited on the anode layer by a diffusion barrier material so as to prevent reaction caused from the oxygen-based particle contained in the glass substrate and anode layer; an emission layer(204) deposited on the diffusion barrier film, and which emits light by electrons and holes injected from the anode layer and a cathode layer(206) formed at the organic electroluminescence display; the cathode layer connected to an external negative potential and deposited on the emission layer; and an encapsulation layer(220) for covering component layers of the organic electroluminescence display.
Patent KR-20030017277-A (KR)
Title: Diary of voice recognition lock
Inventor: PARK SEUNG WOO
IPC: B42D1/00
Filed: 2001-08-24
Abstract: PURPOSE: A diary having a voice recognition locking device is provided to give confidence by offering voice recognition function to open and close the diary by the only voice. CONSTITUTION: The diary having voice recognition locking device comprises a diary and locking device. The locking device consists of a voice recognition controller and solenoid driving part. The voice recognition controller is provided with a voice recognition exclusive chip. User may save less than 5 voices. The voice recognition controller is connected with a solenoid locking device(12), a voice recognition chip, a microphone(11), a speaker(13). At least one voice signal is saved on a voice recognition element in advance. The voice recognition chip provides electric signal according to a signal inputted from the voice recognition element. Wherein, the voice recognition element produces electric signals corresponding to the inputted voice signal.
Patent KR-20020018088-A (KR)
Inventor: ISHII TOSHIYA
IPC: G02F1/1335
Filed: 2001-08-29
Abstract: PURPOSE: A reflection liquid crystal display, a method for producing the same, and a method for driving the same are provided to improve the viewing angle properties of a liquid crystal display and to facilitate the manufacturing process of the liquid crystal display. CONSTITUTION: In a reflection liquid crystal display, a transparent substrate(203) is opposed to the first substrate(207) with a liquid crystal layer(204) placed therebetween. The transparent substrate is disposed forward to the first substrate in the light-incident direction. A quarter-wavelength plate(202) is disposed in the transparent substrate, and a polarization plate(201) is disposed on the surface at the forward side thereof in the light-incident direction. And, a reflection layer(205) besides acting as a color filter consisting of a cholesteric liquid crystal is disposed inside liquid crystal cells of the first substrate. In the case of a wide field-of-view angle, a scattering film(208) is disposed forward to the polarization plate in the light-incident direction.
Patent KR-20020018157-A (KR)
Inventor: GAMMEL PETER LEDEL
IPC: H01J21/10
Filed: 2001-08-30
Abstract: PURPOSE: On-chip vacuum tube device and process for making the device are provided to achieve small size devices with better control of size, spacing, and other parameters. CONSTITUTION: On the surface of a device substrate(10), a silicon nitride surface on a silicon wafer, are formed a cathode electrode(12) attached to the device substrate(10) surface by a hinge mechanism(13), a grid(14) attached to the device substrate(10) surface by a hinge mechanism(15), and an anode(16) attached to the device substrate(10) surface by a hinge mechanism(17). Also on the substrate(10) surface are contacts(18) electrically connected to the cathode electrode(12), grid(14), and anode(16). The contacts(18) and connective wiring are typically polysilicon coated with gold, although other materials are possible. The substrate(10) also has three locking mechanisms(24,26,28), which secure the cathode(12), grid(14), and anode(16) in an upright position, as discussed below. A mask(20) is also attached to the substrate(10) by a hinge mechanism(21) made up of four hinges. The mask contains an opening(22) such that when the mask is rotated on its hinges to cover the other components of the device substrate surface, the cathode electrode(12) remains exposed.
Patent KR-20030020119-A (KR)
Title: An improved synthetic method of azelastine
Inventor: CHO HYEON SEONG
IPC: C07D403/04
Filed: 2001-09-03
Abstract: PURPOSE: Provided is an improved method for synthesizing azelastine in a high yield under the easy and mild condition, which can reduce the unit cost of production remarkably. CONSTITUTION: The method contains the steps of: obtaining 2-(p-chlorophenylacetyl)-benzoic acid from 4-chlorobenzal phthalide produced by reacting phthalic anhydride, 4-chlorophenyl acetic acid, and sodium acetic anhydride in phenylether solvent; obtaining 4-methylaminobutyric acid HCl by adding an acid to 1-methyl-2-pyrrolidinone; obtaining N-(2-carbethoxyethyl)-N-(3-carbethoxypropyl)methyl amine by reacting the 4-methylaminobutyric acid, 3 equivalent of metal sodium, and ethyl acrylate; obtaining 1-methyl-hexahydro-azepin-4-one HCl by adding potassium tert-butyrate to the N-(2-carbethoxyethyl)-N-(3-carbethoxypropyl)methyl amine; obtaining 2-benzoyl-1-(hexahydro-1-methyl-1H-azepin-4-yl)-hydrizine by adding benzoyl hydrazine to the 1-methyl-hexahydro-azepin-4-one HCl; obtaining the azelastine(formula 1) by reacting 1.5 equivalent of the 2-(p-chlorophenylacetyl)-benzoic acid and the 2-benzoyl-1-(hexahydro-1-methyl-1H-azepin-4-yl)-hydrizine at 45deg.C under pH 7.