baber/WOPTO huggingface dataset:
Patent KR-19990076996-A (KR)
IPC: C04B35/58
Filed: 1996-12-19
Abstract: A cubic form of C3N4 with a zero-pressure bulk modulus exceeding that of diamond. The product is prepared by combining carbon and nitrogen at a pressure of 120,000 to 800,000 atmosphere and a temperature of 1000-3000 DEG  C.
Patent KR-20000016449-A (KR)
Title: Flexible expansion joint
Inventor: IKEDA SHINTARO
IPC: F16L27/12
Filed: 1997-06-11
Abstract: PURPOSE: Flexible expansion joint is provided to secure execute flexible expansion action despite friction of sealing material and durability whereby even when pressure is applied to joint when it is used at curved pipe portion. CONSTITUTION: Flexible expansion joint that can securely execute flexible expansion action using spherical surface and which is superior in durability whereby even when pressure is applied to joint when it is used at curved pipe portion, there is generated no bending force, flexible expansion joint being constructed in such a manner that hollow spherical portions (3, 4) formed at an end of two pipe bodies (1, 2) facing each other, respectively, are fitted one within the other so as to connect two pipe bodies (1, 2) in flexible fashion, that packing rings (5, 5a) each having a recessed portion formed from the side thereof as seen cross sectionally are inserted between an open end (4a) of hollow spherical portions (3, 4) fitted outwardly and an interface of the hollow spherical portion (3) fitted inwardly, that a lip portion (7) formed on at least one side of recessed portion is jointed to open end face of outwardly fitted hollow spherical portion (4), and that holding portion (9) mounted on open end (4a) of the outwardly fitted hollow spherical portion (4) is jointed to packing rings (5, 5a).
Patent KR-19990067919-A (KR)
Title: 편집 시스템 및 편집 방법
IPC: G11B27/024
Filed: 1999-01-15
Abstract: 하이브리드 레코더로의 비디오 신호 입력은 비디오 신호로서 컴퓨터의 메인 유니트로의 출력이다.  하이브리드 레코더는 장착된 하드디스크에 비디오 신호를 기록하고, 하드디스크로부터 신호를 재생하며, 상기 신호는 비디오 신호로서 영상 효과 장치에 출력된다.  상기 영상 효과 장치는 비디오 신호에 어떤 효과를 제공하고 나서, 비디오 신호로서 메인 유니트로 출력된다.  메인 유니트는 비디오 신호의 영상과 모니터상의 비디오 신호의 영상을 표시한다.  따라서, 용이하고 신속한 편집이 가능해지며 효과가 증대된다.
Patent KR-20000052133-A (KR)
Inventor: YAMAJAKITZNEO
IPC: G02F1/13363
Filed: 1999-01-30
Abstract: PURPOSE: A reflection type liquid crystal display device is provided to reduce the amount of light which vanishes on the front polarization plate in order to increase efficiency of light usage. CONSTITUTION: A reflection type liquid crystal display device comprises a high transparency polarization plate(80), and an optical device(90). The high transparency polarization plate(80) is implemented on the surface of an upper substrate(2A). The upper substrate(2A) is arranged parallel to a lower substrate(2B) with a liquid crystal layer between them. The high transparency polarization plate passes a part of the incident light and reflects the rest of the light. The optical device(90) changes the direction of light so as to return the light to the high transparency polarization plate. The light reflected at the high transparency polarization plate is returned to the polarization plate. The optical device distracts the light reflected at the high transparency polarization plate to the outside.
Patent KR-20000056392-A (KR)
Inventor: JEONG SEONG TAE
IPC: H04B1/40
Filed: 1999-02-20
Abstract: PURPOSE: A portable telephone set equipping a function compressing/recovering data, is provided to compressively transmit a volume of data and reduce a data-transmission time when a large volume of data is transmitted from the portable telephone set. CONSTITUTION: A portable telephone set equipping a function compressing/recovering data, comprises a data inputting circuit(119), a data compressing circuit(118), a data coding circuit(117), a radio frequency circuit(120), and a controller(111). The data inputting circuit(119) receives data to be transmitted from an external inputter connected to the portable telephone set. The data compressing circuit(118) compresses the data via a specific algorithm. The data coding circuit(117) codes the compressed data by a corresponding code. The radio frequency circuit(120) transmits the coded data via an antenna, by converting into a corresponding radio signal. The controller(111) controls full operations according to the data compression-transmission.
Patent KR-20000022590-A (KR)
Inventor: SAKAMOTO TETSUYA
IPC: G09G3/292
Filed: 1999-03-05
Abstract: PURPOSE: A method for driving a plasma display is provided to improve a linearity of a contrast rate and a gradation display by reducing a background light by a radiation of all cells. CONSTITUTION: A method for driving a plasma display panel which has first, second and third electrodes, comprises the steps of: applying a reset voltage to perform a magnetic erase discharge to a plurality of cells; accumulating a charge corresponding to display data every cells; and applying a maintain discharge voltage to the plurality of cells to perform a radiation by discharging cells in which a predetermined charge is accumulated. The reset voltage is set so that a magnetic erase discharge arises, and a magnetic erase discharge selectively arises at a part of the cells of the plurality.
Patent KR-20000066589-A (KR)
Inventor: KIM DONG WON
IPC: H04B1/7097
Filed: 1999-04-19
Abstract: PURPOSE: An apparatus for removing analog interference signal in the code division multiple access(CDMA) using a clipper is provided to improve the communication quality by removing the single tone or the inter modulation distortion. CONSTITUTION: Interference signals are problematic in cellular communication systems, since they can interfere with communication signal processing. When the mobile station receives very strong interfering analog signals relative to the desired received digital signals then the interfering analog signals often result in the production of inter modulation signals which increase the communication errors at the mobile station. An apparatus for removing analog interference signal in the CDMA includes a Fourier transformer(1) for transforming the CDMA signal in the frequency coordinate, an envelope detector(2) for detecting the difference between the transformed CDMA signal and the analog interference signal, a controller(3) for generating a clipping control signal based on the output of the envelope detector, a clipper(4) for removing analog interference signal by clipping, and an inverse Fourier transformer(5) for transforming the output of the clipper in the time coordinate.
Patent KR-20000067156-A (KR)
Inventor: BAEK GWANG U
IPC: C07D277/04
Filed: 1999-04-24
Abstract: PURPOSE: A process for preparing nazatidine is provided which produces nazatidine acting as an antagonist of a histamine H2 acceptor and useful in the treatment of gastric ulcers in high purity and yield without any expensive treatment process. CONSTITUTION: The nazatidine expressed by N-2-£(2-dimethylaminomethyl-4-thiazolyl)methylthio|ethyl-N'-methyl-2-nitro-1,1-ethene diamine is manufactured by reacting S-£(2-dimethylaminomethyl-4-thiazolyl)methylthio|isothiourea acid addition salt with 1-azirido-N-methyl-2-nitroethyleneamine in the presence of a base such as potassium hydroxide, sodium hydroxide, potassium carbonate or sodium carbonate at -20 to 50°C. The process is more environmentally favorable than conventional processes.
Patent KR-20000067363-A (KR)
Inventor: PARK DAE KYU
IPC: B29D35/14
Filed: 1999-04-23
Abstract: PURPOSE: A last production method is provided to avoid a shock noise and deformation even if exposed under heat for a long time by molding a body of the last with a thermosetting resin. CONSTITUTION: An MDI(methyl diphenylene isocyanate) hardener is mixed with 97.09% of polyol resin and 100% of 0.49% H2O, 1.46% silicone, 0.48% amine catalyst and 0.48% tin catalyst at the rate of 1:1 at 20 to 30°C. And 1.00wt% of glass fiber or 0.4wt% of carbon fiber as a reinforcement and 0.6wt% of silica or calcium carbonate as a weight regulator are put into the mixture. The mixture is injected in a mold heated at 40 to 50°C after 0.05wt% of nylon yarn is put in the mold for 20 to 30 minutes. Then, a reinforcement layer attached with the nylon yarn is formed on the surface layer upon molding the last in the mold. Further, the surface is processed after discharging air bubbles contained in a last material.
Patent KR-20000067545-A (KR)
Inventor: LEE GWANG HO
IPC: G01M99/00
Filed: 1999-04-29
Abstract: PURPOSE: An apparatus for testing vehicle door operation is provided to smoothly open and shut the door by measuring the mounting location of a hinge bracket capable of performing most smooth door operation before manufacturing a vehicle. CONSTITUTION: An apparatus for testing vehicle door operation includes connecting shafts(18) mounted on a vehicle door, a front and rear controlling element(16) having a slot groove(24) and mounted on a car body panel(12), and a hinge bracket(14) having one side end jointed with the connecting shafts and the other end insertedly fixed in the slot groove of the front and rear controlling element, wherein the one side end and the other end are connected with each other by a hinge pin.(22)
Patent KR-19990068480-A (KR)
Title: 폐타이어를이용한수경재배구조물과이를이용한수경농업및수질정화방법
Filed: 1999-05-25
Abstract: 본 발명은 폐타이어를 이용한 수경재배 구조물 및  이를 이용한 수질정화 방법에 관한 것으로, 더욱 상세하게는 폐타이어를 이용하여 수경재배 구조물을  만들어 수생 및 육상식물을 재배하고 이들을 수확함으로서 하천 및 호수의 수질을 정화하는 방법에 관한 것이다.  본 발명은 폐타이어를 이용하여 수생 및 육상식물을 재배,수확하는 수경재배 구조물에 있어서, 수경재배 구조물은 폐타이어의 양단 트레드면 중앙에 결속용 천공 구멍과 2 ~ 3 개의 유수통로 구멍이 있고  상부가 1/3 ~ 1/4 정도 절개되어 있으며, 상기 폐타이어를 세워 붙여서 이루어지는 폐타이어 재배용 통과; 부력재 충전 공간을 넓게 확보하기 위하여 타이어의 일측면을 절개하고 양단에 결속용 천공구멍을 천공한 일측면 절개 타이어를 절개면이 맞닿도록 포개어 놓고, 일측면 절개 외곽부 타이어는 측면부에 볼트-넛트 체결구멍을 뚫고 고무판을 대고 볼트-넛트를 결속하고 그 내부에 스티로풀등의 부력재를 충전하는 것으로 이루어지는 폐타이어 부력재 충전(充塡) 타이어 통과; 재배간격 유지 및 작업을 위하여 타이어의 양단에 결속용 천공구멍을 가지며, 상기 폐타이어를 세워 붙여서 이루어지는  타이어 작업통로용 통과; 상기와 같이 만들어진 원통들을 배열하여 판형을 형성한 후 형성된 판형을 결속하기 위하여 인접한 타이어들의 천공구멍을 통하여 로프로 교차하여 연결한 다음 수중에 뉘어 띄우고 떠내려가지 않도록 계류용 닻(anchor) 콘크리트에 계류용 와이어 로프로 고정되어 이루어지며, 
     수경농업방법은 폐타이어 재배용 통과 폐타이어 부력재 충전 타이어 통과 폐타이어 작업통로용 통의 결속으로 이루어지는 수경재배 구조물을 수중에 뉘어 띄우고 이를 떠내려가지 않도록 계류용 닻(anchor) 콘크리트로 고정한 후 식재공간에 농작물을 이식하여 뿌리가 수면에 접촉하여 수분과 오염물질을 흡수하고 태양광을 받아 성장하며 이를 수확하므로서 이루어지고, 수질의 정화는 폐타이어 재배용 통과 폐타이어 부력재 충전 타이어 통과 폐타이어 작업통로용 통의 결속으로 이루어지는 수경재배 구조물을 수중에 뉘어 띄우고 이를 떠내려가지 않도록 계류용 닻(anchor) 콘크리트로 고정한 후 수생 및 육상식물을 재배,수확하는 것에 의해 달성된다.  본 발명은 질소,인등의 영양물질 섭취제거와 태양광 차단에 의하여 조류증식을 억제할 수 있고, 뿌리등의 부착생물에 의한 유기물질과 중금속, 방사성물질등 유해물질을 제거할 수 있으며, 식물섬이 형성되어 수중생물과 조류등에게 서식처를 제공할 수 있고, 처리공정이 안전하고 유지관리가 용이하며 비용이 매우 저렴하며, 저농도 오염물질의 효과적 처리가 가능하고, 수경농업으로 활용이 가능할 뿐만 아니라, 폐타이어와 폐스티로폴등을 재사용 하므로서 환경친화적으로 수질을 정화할 수 있는 매우 유용한 발명인 것이다.
Patent KR-20010001704-A (KR)
Inventor: JUNG JIN GYEONG
IPC: G01N33/00
Filed: 1999-06-08
Abstract: PURPOSE: A method for measuring cleanliness of a furnace is provided to reduce an error of the cleanliness deep in the furnace due to a theoretical melting temperature and a real melting temperature of slag. CONSTITUTION: A method for measuring cleanliness of a furnace includes the steps of computing a temperature of a threshold point of a slag including Al2O3 10-20% and MgO 5-15% and of which basicity(CaO/SiO2) is 1.2-1.26 by using formula 1, computing a cleanliness degree of the deep in the furnace on the basis of a temperature of a burning band and the temperature at the threshold value by using formula 2, and comparing a reference cleanliness according to the temperature of the burning band with the cleanliness obtained in the second step. Formula 1: TS=5972.62(CaO/SiO2)+234.3(SiO2)-196.2(CaO)+3.15(Al2O3)-2.92(MgO)-5775.08. Formula 2: cleanliness=pig iron temperature+(ΔC/(2.57x10-3))-(1430-190(1.23-(C/S))+TS)/2+0.8(Tf-2200)). Wherein (CaO/SiO2) represents the slag basicity, (SiO2), (CaO), (Al2O3) and (MgO) respectively represent concentration% of SiO2, CaO, Al2O3, and MgO, and Tf represents the temperature of a burning band.
Patent KR-20010001957-A (KR)
Inventor: HA IN JONG
IPC: A01C11/02
Filed: 1999-06-10
Abstract: PURPOSE: A method for transplanting an onion and a device thereof are provided, which can reduce labor force and make the rooting rate improved with separating a seedling from a tray by returning movement of the cam and the vertical movement of the transplanting knife. CONSTITUTION: The device for transplanting the onion is characterized by being comprised of: an upper part for pushing(5) the onion seedlings from a tray(1); a part for pushing down the tray(2); a part for receiving the onion(6); a lower part for pushing(12) the onion seedlings from the receiving part(6); a part for dropping(7) the seedlings from the receiving part(6); and a part for transplanting(35) attached a hopper(10) and a knife(22).
Patent KR-20010003737-A (KR)
Inventor: CHA GI BON
IPC: H01L23/12
Filed: 1999-06-25
Abstract: PURPOSE: An apparatus for separating a stack package is provided to efficiently use the stack package by easily exchanging the faulty package with another stack package. CONSTITUTION: An apparatus for separating a stack package(100) comprises a heating conveying device which heats a solder and conveys the stack package(100) by receiving the stack package(100) from a loading portion(10). The first attaching device is attached to an upper surface of the stack package(100) so as to convey the stack package(100) from the heating conveying device to an unloading portion(80). The second attaching device is attached to a lower surface of the stack package(100) so as to convey the stack package(100) to the unloading portion(80). A solder removing device is provided to remove the solder from the separated stack package(100).
Patent KR-20010008665-A (KR)
Inventor: BAE U HYEON
IPC: A61K9/70
Filed: 1999-07-02
Abstract: PURPOSE: A composition of enhancing agent containing Lauryldiethanolamide useful for improving the permeability of oxybutinin is provided for improving the transdermal administration of oxybutinin without stimulating the skin, so that oxybutinin can be effectively used in treating urinary incontinence. CONSTITUTION: The composition contains 0.1 to 40 wt.% of oxybutinin and 0.5 to 40 wt.% of laurylethanolamide as an oxybutinin permeability improving agent, and optionally contains 0.5 to 40 wt.% of polyoxyethyleneraurylether as an oxybutinin permeability improving agent. The type of composition may be liquid, cream, ointment, suppository, gel, sublingual or buccal tablet. The patches containing the composition consists of a supporting layer, an adhesive layer containing 0.1 to 40 wt.% of oxybutinin and 0.5 to 40 wt.% of lauryldiethanolamide, and a releasing film.
Patent KR-20010009318-A (KR)
Inventor: HWANG GEUM UI
IPC: C07C201/08
Filed: 1999-07-08
Abstract: PURPOSE: A process for preparing the title compound by reaction of phenylurea capable of easily manufacturing from urea and aniline with nitrobenzene using an alkali metal base such as sodium hydroxide or an alkali earth metal base is provided, which can prevent generation of ortho compounds such as 2-NDPA and phenazine and azoxybenzene as byproducts by passing oxygen and air through a reaction atmosphere. The process can also generate no harmful material such as chlorine and reduce an amount of waste. CONSTITUTION: In a process for manufacturing 4-nitrodiphenylamine and 4-nitroaniline using an aromatic hydrogen nucleophilic reaction, phenylurea and nitrobenzene are reacted at 20 to 150deg.C in the presence of a base and a polar organic solvent. The base is used in an amount of 1 to 10 times by molar ratio based on the phenylurea and selected from sodium hydroxide, sodium hydride, potassium hydride, potassium hydroxide, t-butoxy potassium and sodium amide.
Patent KR-20010016671-A (KR)
Inventor: YOON DUCK IL
IPC: E21C27/14
Filed: 1999-08-02
Abstract: PURPOSE: A slight vibration bedrock blasting method is provided to make blasting vibration minutely using hydraulic action of a fluid, to prevent a loud blasting sound and to improve blasting efficiency of bedrock remarkably by synergism with continuous explosion from the uppermost layer. CONSTITUTION: A slight vibration bedrock blasting method comprises the steps of; charging a blasting unit comprising an explosive capsule (A), a sandbag (B) and a fluid tube (C) into a blast-hole (2) bored on a bedrock (1) in multi-layer; sealing up the opening of the blast-hole (2) with many sealing materials (D1-D5); exploding by igniting a detonator (2) installed only to explosive capsules (A1) of the uppermost blasting units (A1, B1, C1), so that explosive capsules (A2-A4) of the following blasting units are exploded due to the shock of explosion of each upper layer continuously by minute time differences.
Patent KR-20000022752-A (KR)
Title: Crane
Inventor: ERICH WIMER
IPC: E02F9/22
Filed: 1999-08-24
Abstract: PURPOSE: A crane is provided to perform a substantial control applied rapidly to avoid a dynamic overload. CONSTITUTION: A crane(1) has a main arm(2) and a multi-shrinkable arm(5), and a crane hook(4) to hang a cargo is connected in front of the multi-shrinkable arm. The main arm(2) of the crane is rotated on a lift cylinder for a pillar(6) of the crane(1). The whole load moment of the crane(1) is applied to the lifting cylinder(3). The lifting cylinder is suitable to install a device for preventing the vibration. The device is arranged in a cylinder to generate a rotating moment of a crane jib centering a vertical shaft line. The substantial control of the crane is able to do by transmitting a signal according to the change of a pressure of the time detected in the cylinder or the change of a load of the time of a piston guided to the cylinder, and by operating a driving device for controlling the size of valve to reduce the change of the pressure or the load for detecting the signal.
Patent KR-20010026565-A (KR)
Inventor: JUN DO SEONG
IPC: H01L21/60
Filed: 1999-09-07
Abstract: PURPOSE: A substrate for a semiconductor package and a method for manufacturing the semiconductor package using the substrate are provided to minimize the warpage of the substrate and to simplify the removal of a cover lay tape. CONSTITUTION: The substrate(100) includes a resin layer in which a main-strip(4) is formed by a plurality of sub-strips arranged in a row and each sub-strip is formed by a plurality of through holes(8) arranged in a matrix form. An upper surface of the resin layer has conductive circuit patterns including bond fingers and ball lands formed around the through holes(8). The resin layer and the circuit patterns are covered with a cover coat except the bond fingers and the ball lands. In addition, the cover lay tape(30) is attached to a lower surface of the resin layer to cover the through holes(8). Particularly, the cover lay tape(30) has a plurality of cutting lines(32) each formed on a boundary between the adjacent sub-strips. Due to the cutting lines(32), the substrate(100) can be prevented from the warpage and the cover layer tape(30) can be easily removed.
Patent KR-20010027158-A (KR)
Inventor: KIM GI IN
IPC: A62B18/02
Filed: 1999-09-10
Abstract: PURPOSE: A dust mask is provided to attach a cotton layer to a contact device with a worker's face for better touch, to replace the contact device and to embed a far infrared ray generator in the rear side for the smooth circulation of the artery and the vein of a back head portion. CONSTITUTION: A contact device (5) is combined with an opposite contact portion of a dust mask (1). A filter (2) is installed in the dust mask and a cotton layer is attached to the outer face of a fastening part. A bioceramic far infrared ray generator (11) is embedded into a joint (10) of a band (8) for the circulation of blood. The filter filters dust or bad smell to protect a worker from hazardous circumstances. The fastening part of the contact device is able to be replaced. Due to the cotton layer, the skin of the worker is protected with better touch.
Patent KR-20000028776-A (KR)
Inventor: OKI YOJI
IPC: F21V8/00
Filed: 1999-10-01
Abstract: PURPOSE: A displaying device of reflective type is provided to operate at a low electric power while being needed by using light source. CONSTITUTION: A liquid crystal panel(10) is formed by inserting a liquid crystal layer between a couple of glass substrates(1,6). Herein, a color filter(2) and a transparent electrode(3) are formed on the glass substrate(1) and a pixel(5) is formed on the other glass substrate(6). Also, a light plate(20) and an adjuster(30) of polarized light for blocking reflected light are arranged in the upper direction of the liquid crystal panel. Herein, the light plate includes a transparent acryl plate(11) having a couple of parallel circumferences and a prism member(12) arranged on the surface of the acryl plate to be formed by a hardening resin of ultra violet ray. Therefore, the light emitted from the adjuster of polarized light is reflected while maintaining the polarized state to be returned to the adjuster of the polarized light for rotating the polarized shaft for 90 degrees. So, a rectilinear polarizing apparatus(21) blocks the reflected light. Therefore, the light returned to the adjuster of the polarized light is not returned to a blocking plate(20) by being blocked by the adjuster of the polarized light.
Patent KR-20010035654-A (KR)
Inventor: KIM SEUNG MIN
IPC: H04Q1/30
Filed: 1999-10-01
Abstract: PURPOSE: A method for variably controlling a data baud-rate in a mobile switching system is provided to make message output achieved, even though the baud-rate is not 9600, by flexibly varying the baud-rate of an input/output port up to about 600 to 57600 and to make message output executed in real time by increasing the baud-rate according to necessity. CONSTITUTION: An operator, after checking a baud-rate that a peripheral device can handle, inputs a command to modify the baud-rate up to around 600 to 57600(S100). An MMDST(Man Machine Device Supervision and Test software block), receiving the instruction and confirming the status of a relevant input/output port, gives a baud-rate modification command to a CROS(Concurrent Real-time Operating System) if it is normal(S110-S130). The CROS records information in a specific region of a predefined DPRAM and provides an interrupt to an IOPA(Input/Output Processing Assembly) F/W(S140). The IOPA F/W analyzes the information of a given region and modifies the baud-rate of the input/output port(S150-S160). The CROS transfers information to the MMDST, outputs a message so that the operator can confirm it and updates baud-rate database information(S170-S190).
Patent KR-20010012023-A (KR)
Title: Structure of liquid tank
Inventor: ONO HISATA
IPC: B65D25/04
Filed: 1999-10-11
Abstract: PURPOSE: To always ensure a liquid level required in a feeding chamber section, and at the same time, prevent a liquid from leaking out from a storage chamber at the time of a fall due to an earthquake or the like, by providing the liquid storage chamber on the outside and the liquid feeding chamber on the inside, and communicating the liquid feeding chamber and the liquid storage chamber by a pair of communicating pipes which are arranged on the top and the bottom. CONSTITUTION: For this liquid tank 10 in a kerosene combustor for a household use or the like, a liquid feeding chamber 13 having an opening 14 is provided on the internal side of a storage chamber 12 in a liquid tank main body 11, under a concentric state while communicating the bottom sections with each other. Then, one end of the external surface of the lower section of the liquid feeding chamber 13 opens in the storage chamber 12, and the other end is fixed to the inner peripheral wall surface 20 of the storage chamber 12. In addition, top and bottom, two communicating pipes 18A and 18B which communicate with the liquid feeding chamber 13, are respectively horizontally provided. At the time of usage, a liquid in the storage chamber 12 intermittently flows into the liquid feeding chamber 13 through the lower communicating pipe 18B. In the meantime, air is intermittently replenished into the storage chamber 12 through the upper communicating pipe 18A. By this constitution, a liquid level LB in the liquid feeding chamber 13 is kept uniform.