baber/WOPTO huggingface dataset:
Patent KR-20000055966-A (KR)
Inventor: KIM JAE YEOUL
IPC: H04W88/02
Filed: 1999-02-04
Abstract: PURPOSE: A method for spreading channels of a mobile communication system is provided to minimize interference between spreading codes of an orthogonal transmission diversity structure and to minimize interference between users when an overlay is generated in a carrier of a multi-carrier system, by considering the orthogonal transmission diversity structure and the multi-carrier system to use a quasi-orthogonal code. CONSTITUTION: A method for spreading channels of a code division multiple access(CDMA) communication system, comprises the steps of: receiving a code index to generate a tetrad quasi-orthogonal code mask; generating a tetrad Walsh-orthogonal code; adding the tetrad quasi-orthogonal code mask to the Walsh-orthogonal code to generate a tetrad quasi-orthogonal code; and converting the tetrad quasi-orthogonal code to generate quasi-orthogonal codes of a real number unit and an imaginary number unit.
Patent KR-20000056174-A (KR)
Inventor: CHUN MYUN SOO
Filed: 1999-02-13
Abstract: PURPOSE: An account data management system and method is provided to make a cash register perform various kinds of accounting functions by connecting the cash register to a communication line. CONSTITUTION: An account data management system comprises a RAM(120), a ROM(130), a serial interface(140), a account memory(150), a memory controller(155) and a controller(110), The RAM(120) transiently stores the data transmitted from a cash register(200), and the ROM(130) storing a program for a system operation and an account management. The serial interface(140) is for communicating with the cash register(200), a printer(300), and a peripheral(400). An account data management method comprises steps of determining if the account data is transmitted from the cash register, sending the data to the printer and storing the data at the account memory, determining if a command for reading an account data from the cash register is transmitted, and reading the account data from the cash register.
Patent KR-20000059608-A (KR)
Inventor: LIM CHUNG BIN
IPC: H01L21/60
Filed: 1999-03-05
Abstract: PURPOSE: A film structure for packaging a semiconductor and fabricating method thereof is to improve the film structure used for packaging a COB(chip on board) type semiconductor, thereby reducing a wearing level. CONSTITUTION: A film structure for packaging a semiconductor comprises a base film(11) made of glass-epoxy as a nonconductive material to electrically isolate a semiconductor chip from a gold wire, a copper layer(120) formed to electrically connect a chip pad of the semiconductor chip with the gold wire, an adhesive(13) for bonding the base film with the copper layer, and a gold layer(15) for increasing an electrical conductivity of the copper layer. Nickel powder(121) is sprayed on the copper layer. A method for fabricating the film structure comprises steps of forming a base film of glass-epoxy, bonding the copper layer to a side of the base film to electrically connect the chip pad of the semiconductor chip with the gold wire, spraying the nickel powder on the copper layer, and stacking the gold layer on the copper layer.
Patent KR-19990077863-A (KR)
IPC: G02F1/133
Filed: 1999-03-13
Abstract: 본 발명은 병렬 디지탈 입력 신호를 대응하는 아날로그 출력 전압으로 변환하기 위한 디지탈-아날로그 변환기에 관한 것으로서, 상기 디지탈-아날로그 변환기는, 상기 디지탈 입력 신호를 수신하도록 구성된 입력; 상기 대응하는 아날로그 출력 전압을 출력하기 위한 출력; 및 상기 입력 및 상기 출력에 유기적으로 결합되어, 상기 출력 전압을 기준값에서 제1 값으로 이동시킨 다음 다시 상기 기준값으로 이동시키기 위한 변환 수단을 포함하고, 상기 제1 값의 크기는 상기 디지탈 입력 신호의 값과 일치하고, 상기 출력 전압은 1 이상의 중간값들을 경유하여 2 이상의 스텝으로 상기 기준값에서 상기 제1 값으로 이동하고, 상기 출력 전압은 1 이상의 중간값들을 경유하여 2 이상의 스텝으로 상기 제1 값에서 다시 상기 기준값으로 이동한다. 
     또한, 병렬 디지탈 입력 신호를 대응하는 아날로그 출력 전압으로 변환하는 방법도 개시되어 있는데, 이 방법은, 상기 디지탈 입력 신호를 수신하는 단계; 및 상기 출력 전압을 기준값에서 제1 값으로 이동시킨 다음 다시 상기 기준값으로 이동시키는 단계를 포함하고, 상기 제1 값의 크기는 상기 디지탈 입력 신호의 값과 일치하고, 상기 출력 전압은 1 이상의 중간값들을 경유하여 2 이상의 스텝으로 상기 기준값에서 상기 제1 값으로 이동하고, 상기 출력 전압은 1 이상의 중간값들을 경유하여 2 이상의 스텝으로 상기 제1 값에서 다시 상기 기준값으로 이동한다.
Patent KR-20000061639-A (KR)
Inventor: CHA CHEOL JONG
IPC: B65H75/22
Filed: 1999-03-29
Abstract: PURPOSE: An air axis for fixing a pipe is provided to have an extended life span and to be readily maintained without a tube which is easy to be damaged. CONSTITUTION: An air axis inserts a pipe outside. An air hose is connected to an air coupler(26) of an air injection hole(22) in a supporting axis(200) to supply a high pressure air. A piston hole(202) is filled with the high pressure air through the air injection hole. Due to the air pressure inside the piston hole, a piston(302) of a first jaw guide(30a) and a head(304) of the first jaw guide move rightward together. Thus, a jaw(700) is protruded from a jaw hole(12) of a hollow pipe(10) in a radial direction of the hollow pipe. The air axis is rotated by a driver at a regular speed and winds the wanted amount of textile fibers on the pipe.
Patent KR-19990046608-A (KR)
Title: 마찰력증진을위한시트스틸말이롤의제조방법및그코팅조성물
IPC: B32B29/06
Filed: 1999-04-03
Abstract: 본 발명은 마찰력증진을위한시트스틸말이롤의제조방법및그코팅조성물 에 관한 발명으로,제철소등에서 생산하고 있는 일반강판이나,도금강및 냉연공장등에서 생산되는 시트스틸은 스틸롤에 수톤씩 말아 제품으로 출하 하고 있다.이와같은 시트스틸롤은 매우 중량체여서 이의 유통과정에서 지게차나 크레인과 같은 각종 중기의 운송도구나 쇠사슬에 발생된 충격으로,시트스틸롤 중심부의 스틸롤에 근접된 부위의 제품에 발생되는 흡집은,각 제조사별로 손실로 보상하고 있다.이에 충격흡수성이 양호한 동일규격의 마분지롤을 시트스틸말이용롤에 채택해 크레임율을 없앴으나,마분지롤에 처음 마는 동작시 발생되는 미끄럼현상이 생겨,마분지롤과 시트스틸부위를 테이프로 붙여야하는 불편한 수작업으로 작업성이 더디고,작업사고의 위험요소가 발생되였다.이에 시트스틸말이롤의 표면에,천연고무(N.R) 31.5%, 산화아연  (ZnO)1.6%,황(S) 0.9%,스테아르산 0.4%,파인타르 1.3%,가황촉진제(MBTS)0.4%,카본블랙(HAF) 34.5%,디에틸렌글리콜(DEG) 0.9%,송진 8%,양초8.5%,식물성오일 9%로된 러버조성물을 코팅해 건조사용함으로서, 시트스틸코일의 로스율을 제로화 시킬 수 있고 롤이 경량화 되어 작업 능률도 향상시켜,제품 원가 절감 효과도 있고 또한 원자재 가격의 절감 효과도 매우 커 모든 면에서 대단한 효과가 있는 신규 유용한 발명 인것이다.
Patent KR-20000065805-A (KR)
Inventor: PARK YUN SUN
IPC: G01R19/02
Filed: 1999-04-09
Abstract: PURPOSE: A test system of a semiconductor device is provided to check easily a semiconductor device by adding an RF signal voltage measuring circuit to an existing analog test circuit. CONSTITUTION: A test system of a semiconductor device comprises an RF signal voltage measuring circuit(10) and an analog test circuit(20). The RF signal voltage measuring circuit measures a voltage of an RF signal output from a semiconductor device and outputs the measured voltage as a DC level. The analog test circuit checks a function and a capacity of the semiconductor device by using the DC voltage level output from the RF signal voltage measuring circuit. The test system further comprises a band pass filter for penetrating only signal waves of the RF signals to the RF signal voltage measuring circuit.
Patent KR-20000065949-A (KR)
Inventor: SHIN HYEONG CHEOL
IPC: H01L21/334
Filed: 1999-04-12
Abstract: PURPOSE: A method for manufacturing a microscopic channel device is provided to improve a mobility of a carrier and to minimize a variation of a threshold voltage, by using a side surface gate having a different work function than a main gate so that a channel under the side surface channel functions as a thin source/drain region and increases a doping of a channel region. CONSTITUTION: A p+ polycrystalline silicon inner gate(505) is defined by using a microscopic patterning technology on a p- substrate(501,503). After an oxidation layer is formed on the resultant structure, a n+ polycrystalline silicon side surface gate(507) is formed by intervening the inner gate and oxidation layer. P¬0 halo ions are injected into both side surfaces of the side surface gate, and source/drain n+ ions are injected.
Patent KR-19990083326-A (KR)
Title: 테이프파스너가부착된일회용기저귀
IPC: A61F5/44
Filed: 1999-04-20
Abstract: 본 발명은 일회용 기저귀에서 테이프 파스너를 확실하게 고정시키는 것을 향상시키는 것이 목적이다. 
     본 발명의 해결 수단으로는 일회용 기저귀의 테이프 파스너(21)는 탄성 신축성 테이프 부재(22), 테이프 부재(22)의 연장 단부(27)의 내면에 부착된 후크 부재(23)로 구성된다. 후크 부재(23)의 내부 가장자리(33)는 폭 방향의 중앙 부위가 테이프 부재(22)의 기단부(26)를 향하여 돌출되어 있다.
Patent KR-19990046740-A (KR)
Title: 방진(防塵)및방약(昉藥)기능의전동기구를구비하는헬멧
IPC: A62B18/04
Filed: 1999-04-20
Abstract: 본 발명은 분진이나 악취가 많이 발생하는 작업장이나 농작물의 병충해 방지를 위한 농약살포작업시 작업자의 건강을 안전하고 편안한 상태로 보호할 수 있도록 시야확보를 용이하게 하는 투시창과 외부공기를 신선한 공기로 환원시켜 공급되어 지도록 마이크로 팬모터와 집진 휠터를 구비하는 전동기구를 밧데리의 전원으로작동시켜 상기의 전동기구와 연결된 송기관을 통해 안면부의 내측으로 공급순화하여 배출되도록 공기배출밸브를 갖는 안면부를 반원구상의 헬멧과 일체로 성형하는방진 및 방약기능의 전동기구를 구비한 헬멧을 제공한다.
Patent KR-20000066847-A (KR)
Inventor: LEE JUNG JIN
IPC: H01L27/11
Filed: 1999-04-21
Abstract: PURPOSE: A method of making a cell of a semiconductor memory device is provided to reduce a cell size by forming a p-type channel region and p+ source/drain regions at a polysilicon layer, which is formed at sidewalls of a gate of a p-type channel thin film pull-up transistor. CONSTITUTION: A method of making a cell of a semiconductor memory device comprises forming an isolation region(65) in a semiconductor substrate(61) and forming a silicon gate with a gate oxide film(67) interposed therebetween. High-concentration N+ source/drain regions(73) are formed at both side of the gate(69a). A CVD oxide film(75a) is formed on an entire surface comprising the gate, and is etched back so as to etch a part of the gate. A highly doped polysilicon layer is deposited on an entire surface, and is patterned so as to form a polysilicon layer(86). A gate insulation film(91) and a polysilicon layer are deposited on an entire surface, and a spacer consisting of a thin film polysilicon layer(92) is formed at sidewalls of the polysilicon layer(86).
Patent KR-19990068542-A (KR)
Title: 폐플라스틱을이용한대체목재방음판의제작방법및방음판구조
IPC: B29B17/00
Filed: 1999-06-01
Abstract: 본 발명은 폐플라스틱을 이용한 대체 목재 방음판의 제작방법 및 방음판 구조에 관한 것이다. 
     본 발명은 폐플라스틱의 원료를 이용하여 외측에는 무발포층으로 이루어진 외부층과 내측에는 발포층으로 이루어진 내부층으로 하고 외부층에 무늬전사(도장) 또는 무늬 음/양각을 실시하여 방음벽의 외관이 마치 목재로 이루어진 방음판을 제공하는 것이다.
Patent KR-20010001128-A (KR)
Inventor: HUH NAM HOE
IPC: H01L21/66
Filed: 1999-06-02
Abstract: PURPOSE: A method and an apparatus for measuring doping concentration and fine hole of semiconductor surface are provided so that a doping concentration and the existence of minute holes can be inspected without damage by using non-contacting type and non-destructive inspection. CONSTITUTION: A light beam condensing and irradiation unit condenses light(10) to an optical fiber and irradiates it to a semiconductor material(40) or a fine hole formed on an insulting layer of the semiconductor material(40). The light beam condensing and irradiation unit includes an optical fiber(32) for transmitting light; a light condenser(31) for condensing light to the optical fiber through an optical lens. An excited electron condensing and current producing unit includes an optical fiber probe electrode(33) formed by coating the remnant portion except for the opening portion of the optical fiber probe with metal, and a voltage supplier(50) for applying a voltage through a conduction line(51). A current measuring unit includes a SQUID(60), as a sensor for measuring magnetic filed, connected between the optical fiber probe electrode(33) and voltage supplier(50).
Patent KR-20010001964-A (KR)
Inventor: CHOI CHANG JU
IPC: H01L21/28
Filed: 1999-06-10
Abstract: PURPOSE: A method for manufacturing a contact hole of a semiconductor device is to provide a superior filling characteristic of a contact hole and to simplify a manufacturing process, by forming the contact hole only by a dry etching process using an HI mixture gas. CONSTITUTION: After a transistor consisting of a gate(4), a drain(3) and a source(2) is formed in a semiconductor substrate(1), the first interlayer dielectric(6) is formed. The first metal interconnection(8) is formed on the entire surface of the substrate, and the second interlayer dielectric(9) is formed. After a photoresist layer pattern is formed on the entire surface, a contact hole(14,15) is formed by a dry etching process using an HI mixture gas to expose the first metal interconnection. The photoresist layer pattern is eliminated, and the second metal interconnection filling the contact hole is formed.
Patent KR-20000006081-A (KR)
Inventor: SUKIYAMA MASANORI
IPC: F02M61/14
Filed: 1999-06-10
Abstract: PURPOSE: A delivery pipe is provided to suppress the change and to prevent the degrading of the fuel sealing of an injector. CONSTITUTION: A delivery pipe has:many cylinders; an intra-spraying internal combustion engine to directly spray the fuel into each combustion chamber of cylinders from an injector(6); injectors arranged on n cylinders selected from the cylinders; and n insertion parts to install each injector.
Patent KR-20000006576-A (KR)
Inventor: DEIWILLIEM F
IPC: H04L12/437
Filed: 1999-06-30
Abstract: PURPOSE: A digital data processing system is provided to enable a sharing of resources such as record sub-systems between plural host computer systems in the digital data processing system. CONSTITUTION: The digital data processing system comprises at least one sub-system which includes a host computer and plural resources connected to each other by an interconnection unit. The interconnection unit has topology of a loop type. The interconnection unit includes at least one configuration switch having a pass-through mode and a bypass mode. In the pass-through mode, the topology comprises an overall loop, and in the bypass mode, the topology comprises a part of the loop containing the host processor. The host computer selectively controls the at least one configuration switch either in the pass-through mode or in the bypass mode.
Patent KR-20010009081-A (KR)
Inventor: KIM SANG RYONG
IPC: G10L17/24
Filed: 1999-07-07
Abstract: PURPOSE: A system for identifying a speaker with unfixed continuous numbers sound and a method thereof are provided to improve a processing speed by using a simple number row, to prevent a surreptitious use of voice by increasing the voluntariness and to equip a mechanical voice reading mechanism. CONSTITUTION: A random number generating unit(240) generates unfixed continuous numbers. A user interface unit outputs the numbers to a user and receives a user's voice input about the numbers. A characteristic sampling unit(250) samples a voice characteristic of the received voice signal. A number sound identifying unit(220) samples a number corresponding to a matched item by comparing the characteristic with items of a speaker individual continuous number sound model. The number sound identifying unit(220) discriminates the sameness between the sampled/output numbers. A speaker identifying unit(230) measures the similarity by comparing the characteristic with a speaker model and decides a speaker identification based on the similarity.
Patent KR-20010009463-A (KR)
Inventor: KIM MEE NYO
IPC: A45D29/02
Filed: 1999-07-09
Abstract: PURPOSE: A nail clipper having an elastically holding means is provided which can elastically hold a cut nail, therefore, which can prevent the cut nail from rebounding in all direction. CONSTITUTION: The nail clipper contains elastically holding pieces(11,11') mounted in an upper cutting plate(21) and a lower cutting plate(21'). When a handle(23) is pressed, the upper cutting plate(21) comes down and when the nail(60) is contact with the elastically holding pieces(11,11'), the upper cutting plate(21) dose not come down any more and then elastically holds the cut nail.
Patent KR-19990078624-A (KR)
Title: 티알에스단말기를이용한통역서비스방법
Filed: 1999-07-13
Abstract: 본 발명은 TRS 단말기를 이용한 통역 서비스 방법에 관한 것으로서, 통역 서비스가 필요한 외국인과 그 대화 상대방이 두 대의 TRS 단말기를 이용하여, 외국인과, 대화 상대방, 통역 센터간의 3자간 통화를 통하여 통역 센터가 통역 서비스를 제공하는 것을 특징으로 한다. 본 발명에 의하면, 외국인이 저렴하게 통역 서비스를 받을 수 있고, TRS의 활성화에도 기여할 수 있다.
Patent KR-19990078641-A (KR)
Title: 열 매체를 이용한 페열회수 장치가 달린 보일러
IPC: F23C1/00
Filed: 1999-07-20
Abstract: 보일러를 가동 할시 발생되는 배출가스와 함께 배출되는 페열을 열 매체 (부동액이나 열 매체 기름)를 이용하여 페열을 회수하여 보일러에 재공급하여 연소효율을 높이고 배기가스의 배출량을 줄이고, 또한 회수된 페열이 축적된 열 매체를 실내에 직접 유입시켜 방열기를 이용하여 난방을 하면 연료절약을 할 수가 있는 장치이다.
Patent KR-20010010751-A (KR)
Inventor: JUNG HAE YUNG
IPC: D06F39/10
Filed: 1999-07-22
Abstract: PURPOSE: A stitch collection device of a washing machine is provided to collect stitches from the washing water by using a stitch collection device installed at a tub cover. CONSTITUTION: A stitch collection device of a washing machine comprises an external tub(53), an internal tub(52), a tub cover(58), and a stitch collection portion(60). The external tub(53) is installed within a washing machine case(51) in order to fill the washing water. The internal tub(52) is installed within the external tub(53) in order to perform a washing process. The tub cover(58) is installed on an upper portion of the external tub(53) in order to guide the water current to the internal tub(52). The stitch collection portion(60) is installed at the tub cover(58) in order to collect the stitch.
Patent KR-20000022689-A (KR)
Inventor: KRAZKI MARK
IPC: B32B5/18
Filed: 1999-08-05
Abstract: PURPOSE: A polymer-type foaming composition is provided to have the sufficient intensity and a mechanical property to be used to a base in a structural and a decorating usage such as a bottom laminate or a decorating laminate. CONSTITUTION: A polymer-typed foaming material contains a poly(acrylonitril/butatinen/styrene)(ABS) resin such as a resistant ABS resin and a glass filled ABS resin, a polycarbonate, and more than one members selected among a high impact polystyrene(HIPS), a polystyrene, a polyphenylene oxide(PPO), and a polyvinyl chloride(PVC). A polymer used to the production of the polymer-typed foaming material is foamed by using an existing foaming material such as a calorific foaming agent, an endothermic foaming agent or its mixture to be able to offer a structural and a mechanical properties needed to a final usage by controlling a cellular size of the foaming material. A foamed polymer product is used for a substitute for a fiber board or a particle board bases in a laminate product such as a high pressured decorating laminate used to a bottom laminate of high abrasion, a kitchen table, or a surface of table.
Patent KR-20010017436-A (KR)
Inventor: CHO YEONG U
IPC: G02F1/1343
Filed: 1999-08-11
Abstract: PURPOSE: A multi domain liquid crystal display is provided to prevent flicker phenomenon and improve viewing angle and aperture ratio by keeping the proper capacitance. CONSTITUTION: A common auxiliary electrode(15) overlaps with a pixel electrode(13) and encloses a pixel region in the same layer with a gate wiring(1) A light shield layer(25) overlaps with the common auxiliary electrode(15). Thereby, an aperture ratio is increase. A storage electrode(43) overlaps with the gate wiring(1) and/or the common auxiliary electrode(15). Thereby, a storage capacitor is formed. An image quality is improved by the storage capacitor and the flicker phenomenon is removed. The short between the pixel electrode(13) and the common auxiliary electrode(15) is prevented because the common auxiliary electrode(15) and the gate wiring(1) are on the same layer.
Patent KR-20010018496-A (KR)
Inventor: CHOO HYEON JU
IPC: B24D5/00
Filed: 1999-08-19
Abstract: PURPOSE: A method for producing a resinoid wheel for processing a ball bearing is provided to extend the life of the resinoid wheel, reduce the abrasion rate of the resinoid wheel to the minimum and to precisely process a plastic ball without damage to plastic ball. CONSTITUTION: Fused alumina of which grading is 600 to 800 mesh is used as an abrasive. A wetting agent is mixed up with the abrasive for about 20 minutes and coated on an outer part of the abrasive. After finishing coating the wetting agent on the abrasive, 20 to 50wt of thermosetting resin powder is added up and mixed for about two hours. The mixture is filtered through a 40-mesh sieve and hot-pressed to 50 to 200kg/cm3 in a frame at 100 to 180deg.C. Then, the hot-pressed product is plasticized at about 120 to 200deg.C.
Patent KR-20010020050-A (KR)
Inventor: MUN SEONG HAK
IPC: G02F1/133
Filed: 1999-08-31
Abstract: PURPOSE: A plasma address liquid crystal display device, and a driving method thereof are provided so that an optical transmission area of a panel can be relatively increased to improve luminance, by reducing a number of cross walls by driving two injection lines between the two cross walls. CONSTITUTION: A plasma address liquid crystal display device consists of a plasma channel unit(80), a liquid crystal unit(82) and a back light(84). The plasma channel unit(80) includes a lower glass substrate(86), a polarization filter(88), cross walls(90), cathodes(92), first and second anodes(94,96), and a dielectric glass film(98). The cathodes(92) are formed as transparent electrodes, and the first and second anodes(94,96) positioned at both sides of the cathodes(92) are respectively formed at the side portions of the cross wall(90). Here, the cathodes(92) and the first and second anodes(94,96) form two discharge channels, namely two injection lines. In this case, the two injection lines formed between the two cross walls(90) share one cathode(92). The liquid crystal unit(82) includes an upper glass substrate(100), a polarization filter(102), a color filter(104), a transparent electrode(106) and a liquid crystal layer(108). The transparent electrode(106) is formed in an orthogonal direction to the injection lines. A discharge gas such as He and Ne is injected into a discharge space(110) surrounded by the lower glass substrate(86), the dielectric glass film(98) and the cross walls(90).
Patent KR-20010027458-A (KR)
Title: Wiper blade
Inventor: IMADAKAZU HIRO
IPC: B60S1/38
Filed: 1999-09-14
Abstract: PURPOSE: A wiper blade is provided to prevent noise and to have the excellent bend resistance and the excellent corrosion resistance. CONSTITUTION: Elastic polymers are mixed for two minutes in a Banbury mixer and discharged at 120deg.C. The discharged rubber is dried and mixed by palletizing with a rubber palletizer. A thermoplastic elastic polymer composition is obtained by mixing the rubber in a double-axis mixer at 1000sec¬-1. The thermoplastic elastic polymer composition is palletized through a palletizer for resin by cooling through water. The composition is formed to a plate of 2mm thickness. A wiper blade is produced through a wiper blade die with a single-axis extruder. Thereby, a face to be contacted with a glass is the thermoplastic resin. Therefore, the noise of the wiper blade is prevented and the corrosion resistance is improved. Moreover, the crack of the wiper blade is prevented.
Patent KR-20010029174-A (KR)
Inventor: LEE SE HYUN
IPC: H04B1/38
Filed: 1999-09-29
Abstract: PURPOSE: A mask folder of a cellular phone is provided to enable a user to make a call without putting inconvenience to others when the cellular phone is used at a public building, by attaching a mask onto the cellular phone so that the user can make the call with his/her mouse covered by the mask. CONSTITUTION: A lower panel(22) is directly connected to a cellular phone body(1). An upper panel(21) is overlapped by the lower panel(22). A folder rotation shaft(30) enables the upper panel(21) and the lower panel(22) to be folded. A plurality of wings(213,214,223,224) are attached to each edge of the upper and lower panels(21,22). A plurality of wing rotation shafts(211,212,221,222) are installed at the each edge of the upper and lower panels(21,22) so that the wings(213,214,223,224) can be rotated and thereby unfolded centering around each edge thereof. The first bevel gears(31,31') are installed at the folder rotation shaft(30) so that the wings(213,214,223,224) can be folded when a folder(2) is folded. The second bevel gears(32,32') interwork with the first bevel gears(31,31').
Patent KR-20010036527-A (KR)
Inventor: JUN HONG RYEOL
IPC: A61K9/00
Filed: 1999-10-08
Abstract: PURPOSE: A quick-acting formulation of sildenafil citrate allowing a taker to take sidenafil citrate as a composition for treating erectile impotence in a human male easily and enabling its drug action to exhibit quickly is provided, which can enhance the adaptability of patients to a medicine by exhibiting drug actions quickly. CONSTITUTION: This sildenafil citrate composition is prepared in a form of a liquid, a foam tablet, chewing gum and chocolate to exhibit drug actions quickly and take medicine easily, wherein a content of sildenafil citrate is 10 to 100mg, 1 to 70% by weight in chocolate, and 0.01 to 10% by weight in liquid.