baber/WOPTO huggingface dataset:
Patent KR-20000039394-A (KR)
Title: Mixed modulation-demodulation method, base station apparatus and subscriber apparatus thereby
Inventor: LEE JAE WON
IPC: H04B7/26
Filed: 1998-12-12
Abstract: PURPOSE: A mixed modulation-demodulation method, a base station apparatus and a subscriber apparatus thereby are provided to increase the efficiency of frequency usage by mixing QPSK(Quadrature Phase Shift Keying) and 16-QAM(Quadrature Amplitude Modulation) modulation method in the wireless local loop and mixing QPSK and 16-QAM demodulation method in a subscriber apparatus. CONSTITUTION: A receiving signal processing part(110) transmits data to a subscriber apparatus through a transmitting antenna. A receiving signal processing part(120) receives the transmitted signal through a receiving antenna. An ATM(Asynchronous Transfer Mode) switch(130) switches top-down data transferred from a data processing part to the receiving signal processing part(110) and bottom-up data transferred from the receiving signal processing part(120) to the data processing part. A modulation control part(140) controls the modulation method of the receiving signal processing part(110). A base station controller(150) controls the ATM switch(130) with modulation control information transferred from the modulation control part(140).
Patent KR-19990063306-A (KR)
Title: 병렬배선식 서모모듈의 단선검출장치
IPC: G01R31/02
Filed: 1998-12-22
Abstract: 본 발명의 과제는 병렬접속된 서모모듈의 단선을 검출하기 위한 단선검출수단을 얻는 것이다. 본 발명은 복수의 서모모듈(11a,…, 11n)을 직렬로 접속한 모듈열(10a)을 복수열로 병렬하여 접속하고, 각 모듈열(10a)마다 단선에 의한 전원단자(17a)와 중간단자(18) 사이의 전압변화를 검출하는 검출회로(12)를 설치하고, 이들 검출회로(12)의 개폐소자(20)를 경보회로(14)에 직렬로 접속하고, 어느 한 개의 검출회로(12)가 단선을 검출하여 그 개폐소자(20)가 도통되지 않게 되면, 경보회로(14)가 작동되어 알람발생수단(32)에 의해서 경보가 울린다.
Patent KR-20000043064-A (KR)
Title: Method of forming wiring of semiconductor device
Inventor: PARK CHANG HEON
IPC: H01L21/28
Filed: 1998-12-28
Abstract: PURPOSE: A method of forming a wiring is to achieve the miniaturization and high integration of the semiconductor device. CONSTITUTION: A method of forming a wiring comprises the steps of: forming an interlayer isolation film(2) on a semiconductor substrate(1) having a structure formed with many element to compose a semiconductor device; forming a photoresist pattern(3) having an opening part(30) on the interlayer isolation film; thermally stabilizing the photoresist pattern; forming a conductive material layer(4) to fully fill up the opening part of the photoresist pattern, followed by making the conductive material layer remain in the opening part; and forming a wiring(400) formed of the conductive material layer by stripping the photoresist pattern.
Patent KR-20000043649-A (KR)
Title: Motor for tape recorder
Inventor: JEONG MAN SIL
IPC: G11B15/02
Filed: 1998-12-29
Abstract: PURPOSE: A motor for a tape recorder is provided to elevate an effective flux density by reducing a gap as well as a hysteresis loss and an eddy current loss with an enhanced core structure. CONSTITUTION: A core(51) has coil grooves(52) on one face facing a rotor(30). Coil cores(53) are installed in the coil grooves for reducing a gap between a stator(50) and a rotor(30). By installing the stator abutting to the rotor, an effective flux density is elevated. Moreover, the size of current for a motor(10) is increased to improve the torque of the motor. Herein, a ferrite steel is used for the core to improve a magnetic permeability while reducing an eddy current loss.
Patent KR-20000044866-A (KR)
Title: Method for forming gate of flash memory element
Inventor: LEE GEUN WOO
IPC: H01L27/115
Filed: 1998-12-30
Abstract: PURPOSE: A method for forming a gate of a flash memory element is provided to protect a dielectric film and to improve the reliance of the article by sequentially forming the dielectric film and a polysilicon film after patterning a floating gate. CONSTITUTION: A field oxide film(22) is formed on a selective area of a semiconductor substrate(21) and a floating gate is formed by sequentially forming a tunnel oxide film(23) and a first polysilicon film(24). After sequentially forming a dielectric film(25) and a second polysilicon film(26) at an upper portion of the structure, the second polysilicon film(26) and the dielectric film(25) are sequentially removed at a peripheral transistor area. Then, a third polysilicon film(27) is formed and patterned so as to provide a control gate.
Patent KR-20000045639-A (KR)
Title: Digital frequency and phase lock loop
Inventor: CHUNG MIN SU
IPC: H03J7/00
Filed: 1998-12-30
Abstract: PURPOSE: A Digital Frequency and Phase Lock Loop(DEPLL) is provided to stabilize the system when channels are frequently and suddenly changed by enabling automatic conversion of phase lock loop. CONSTITUTION: A Digital Frequency and Phase Lock Loop(DEPLL) includes a frequency error detecting section(105) which detects frequency errors from I signals outputted by a multiplicator(103), a limitation pad(106) which outputs only code information of pilot signals by hard limiting pilot signals, a low frequency filter(107) which filters Q signals from the multiplicator(103), and a phase difference detector(109) which detects differences in outputted signals and provides it to a numerical controlling oscillator(104). The device enables users to easily install a hole hardware by providing a device that has a less number of Finite Impulse Response Filters and multiplicators.
Patent KR-20000046986-A (KR)
Title: Method for calling empty tool port when replacing tool of machine tool having automatic tool replacement device
Inventor: LEE JONG GUK
IPC: B23Q3/155
Filed: 1998-12-31
Abstract: PURPOSE: A method for calling an empty tool port is provided to perform an automatic tool replacement command by recognizing the number of an empty tool port the nearest to a spindle as zero and to remove a tool from a spindle after completing the process of a workpiece. CONSTITUTION: When the number of a tool of an automatic tool replacement command is zero, the number of a port existing in a current standby port and the number of a tool is confirmed and a fact if the number of the tool in the standby port is zero is decided. If the number of the tool is zero, the automatic tool replacement command is performed. If the number of the tool in the standby port is not zero, the number subtracting 1 from the number of the standby port and the corresponding number of the tool are recognized, stored in a buffer(D1) which is a temporary storage. The fact if the number of the tool in the stored port is zero is decided. If the number of the tool in the stored port is zero, the automatic tool replacement command is performed. If the number of the tool in the standby port is not zero, the number of the standby port added with 1 and the corresponding number of the tool are recognized, stored in a buffer(D2) which is a temporary storage. If the number of the tool of the stored port is zero, the automatic tool replacement command is performed.
Patent KR-19990028842-A (KR)
Title: 홀로그래픽 기록 방법 및 홀로그램 검색 방법
IPC: G03H1/26
Filed: 1997-05-07
Abstract: 저장된 홀로그램이 최대의 신호대 잡음비(SNR)로 검색될 수 있는 광 굴절성 매체에서의 홀로그래픽 기록 방법이 개시된다.  위치 피드백 정보를 포함하는 복수의 서보 블럭은 결정에 기록되며 결정을 가열함으로서 삭제되지 않게 된다.  서보 블럭은 파장 멀티플렉싱 또는 각 멀티플렉싱이 적용되었는지에 따라 각 또는 주파수로 특정 증분으로 기록되며, 각각의 서보 블럭은 5개의 패턴들 중 하나의 패턴에 의해 형성된다.  그 후, 데이타 페이지는 위치 피드백 정보를 제공하는 서보 패턴으로 각 데이타 페이지가 후속 재구성되도록 하는 위치 또는 파장에서 기록된다.  데이타 페이지 및 서보 블럭을 기록하는 방법은 종래의 실행과 일치한다.  또한, 기록 시스템은 위치 피드백 정보에 응답하며 기준 빔의 기준 각도의 각 위치를 조정하여 크로스토크를 감소시킴으로써 SNR을 최대화하여 저장 용량이 개선되는 성분(예를 들어, 음성 코일 모터)을 포함한다.
Patent KR-19990028918-A (KR)
IPC: A61K31/44
Filed: 1996-07-02
Abstract: PCT No. PCT/EP96/02890 Sec. 371 Date Jan. 5, 1998 Sec. 102(e) Date Jan. 5, 1998 PCT Filed Jul. 2, 1996 PCT Pub. No. WO97/03071 PCT Pub. Date Jan. 30, 1997Compounds of formula I and pharmaceutically acceptable salts thereof in which A is methylene or O; B is methylene or O; g is 0,1,2,3 or 4; R1 is an optional substituent; U is an alkylene chain optionally substituted by one or more alkyl; Q represents a divalent group containing nitrogen atoms; and T represents CO.HET, have utility in the treatment of central nervous system disorders, for example depression, anxiety, psychoses (for example schizophrenia), tardive dyskinesia, Parkinson's disease, obesity, hypertension, Tourette's syndrome, sexual dysfunction, drug addiction, drug abuse, cognitive disorders, Alzheimer's disease, senile dementia, obsessive-compulsive behavior, panic attacks, social phobias, eating disorders and anorexia, cardiovascular and cerebrovascular disorders, non-insulin dependent diabetes mellitus, hyperglycaemia, constipation, arrhythmia, disorders of the neuroendocrine system, stress, prostatic hypertrophy, and spasticity.
Patent KR-19990036104-A (KR)
Title: 셀 방식의 ｊｄ－ｃｄｍａ 무선 시스템에서의 공통 채널 간섭을 감소시키기 위한 방법 및 장치
IPC: H04B1/707
Filed: 1996-07-24
Abstract: 동일한 주파수를 갖는 무선 채널을 구비한 무선 셀이 사용되고 JD-CDMA 방식의 적용을 사용하여 상기 신호의 전송이 수행되는 셀룰러(셀 방식) 무선 시스템의 기지국 및 가입자 국의 수신기에서의 공통 채널 간섭을 줄이기 위하여, 복수개의 유용한 접속이 동일한 RF 주파수 대역에서 병렬로 처리되도록 유용한 신호가 각각 상이한 확산 코드를 사용하여 주파수 축에서의 특정한 인자에 의해 확산되고 이러한 확산 코드를 사용하여 수신 위치에서 다시 복호화된다.  무선 셀의 수신장치에서, 복호화 동안에 동일한 무선 주파수 대역을 사용하는 적어도 하나의 다른 무선 셀에서 사용되는 이러한 확산 코드가 고려된다.  본 발명은 미래의 CDMA 이동 무선 시스템으로 사용될 수 있다.
Patent KR-19990044679-A (KR)
IPC: C12M1/40
Filed: 1996-09-09
Abstract: PCT No. PCT/EP96/03948 Sec. 371 Date Jan. 27, 1998 Sec. 102(e) Date Jan. 27, 1998 PCT Filed Sep. 9, 1996 PCT Pub. No. WO97/10201 PCT Pub. Date Mar. 20, 1997The present invention relates to a process for cleaving optically active amides to carboxylic acids and optically active amines with retention of the center of chirality, wherein the amides are hydrolyzed in the presence of a polyol or of an amino alcohol and of an alkali metal or alkaline earth metal hydroxide.
Patent KR-19990063942-A (KR)
Title: 폴리플루오로알킬 트립토판 트리펩타이드 트롬빈 억제제
IPC: C07K5/087
Filed: 1996-09-06
Abstract: 본 발명은 폴리플루오로알킬 트립토판 트리펩타이드 및 이를 포함하는 조성물에 관한 것이다.  본 발명의 화합물은 트롬빈 질환 치료 및 저장된 전혈 및 혈액 산물의 응고를 예방하는데 유용한 항응고 효과를 제공하는 매우 특이적인 트롬빈 억제제이다.
Patent KR-19990077090-A (KR)
Title: 서비스 멀티플렉서 및 그 운용방법
IPC: H04L12/70
Filed: 1997-01-08
Abstract: 본 발명은 서비스 멀티플렉서에 관한 것으로, 상기 멀티플렉서는 망 접속을 위해 다수의 입력(4)으로부터 하나의 출력(6)까지 비동기로 전송된 데이터 셀 형태내의 공중교환통신망 전송 데이터로 다수의 신호 소스를 접속하고, 망으로의 셀 전송을 위해 사용가능한 대역폭을 나타내는 망으로부터 대역폭 제어 신호를 수신하는 대역폭 제어 유닛을 포함하고 있고 상기 신호 소스로의 전송을 위한 피드백 제어 신호를 발생하여 이들이 상기 입력에서 수신된 자신의 데이터 대역폭을 변경하게 만들며, ABR 기반에서 동작하는 공중망의 단일 포트로 링크될 ABR(사용가능한비트율)-명령가능 신호 소스를 허용하여 각 소스를 위한 대역폭의 효과적이고 공정한 할당을 제공하는 것을 특징으로 한다.
Patent KR-19990082511-A (KR)
Title: 방향족 무수물 경화제를 이용한 에폭시화 디엔 중합체의 개선된화학적 경화
IPC: C08G59/34
Filed: 1997-02-13
Abstract: 본 발명은 0.5/1 내지 2.0/1.0의 중합체/방향족 무수물의 몰비, 임의로 0.1 내지 10 phr의 촉진제, 및 100 내지 200℃의 온도에서, 10분 내지 6시간 동안 중합체를 방향족 무수물 경화제와 접촉시키는 것을 포함하는 접착제, 실런트, 및 코팅제에 유용한 에폭시화 디엔 중합체를 경화하는 방법에 관한 것이다.   본 발명은 추가로 가교 결합된 에폭시화 폴리디엔 중합체 및 접착제, 실런트, 또는 코팅제 조성물에 관한 것이다.
Patent KR-20000064748-A (KR)
Title: Absorbent components having a fluid acquisition zone
Inventor: SCHMIDT MATTIAS
IPC: A61F13/53
Filed: 1997-03-21
Abstract: The disclosure relates to an absorbent core capable of absorbing discharged aqueous body fluids. The core contains a swellable fluid storage material that forms, upon contact with aqueous body fluids, a fluid acquisition zone. The fluid acquisition zone is located remote from the user, to avoid flowback or rewetting of the topsheet of an article containing the core. The disclosure further relates to an absorbent article useful for absorbing discharged aqueous body fluids that comprises: A) a fluid pervious topsheet; B) a backsheet; and C) an absorbent core, as described above, positioned between the topsheet and the backsheet.
Patent KR-20000016573-A (KR)
Title: Container stopper having blocking valve
Inventor: BUJAGLO GABRIEL
IPC: B65D47/26
Filed: 1997-06-11
Abstract: PURPOSE: A stopper for a container having a neck, including a body, which fixed to be sealed up in the neck of the container, formed with at least one passage for emptying the container, containing a blocking valve for blocking the passage is provided. CONSTITUTION: A stopper includes a cylinder-shaped part(1a) formed to combine with the neck(2a) of a container(2) and a groove part(3) extended on a part of the outer circumference of the cylinder-shaped part. Herein, two separated channels(4,5) are extended on the cylinder-shaped part of the stopper and opened into the groove through the mutually separated orifices(4a,5a) in the outer circumferential direction of the groove. In addition, the diaphragm(6) of an elastomer material is equalized with the shape of the groove and the cylinder-shaped part so as to cover the orifices of the two channels.
Patent KR-19990067794-A (KR)
IPC: A61K8/29
Filed: 1999-01-08
Abstract: 본 발명은 지방상에 용해되거나 분산된 아섹삼산을 생리학적으로 허용가능한 활성 보호제로서 함유하는, 입술 보호 조성물, 특히 무수 조성물에 관한 것이다.     이 조성물은, 특히 악천후로부터 입술을 보호하고 따라서 입술의 건조 및/또는 갈라짐 및 틈(chapping)을 방지하기 위한 막대, 특히 립스틱이나 립 밤(lip balm)의 막대 형태로 존재할 수 있다.
Patent KR-20000052142-A (KR)
Inventor: JUNG JONG TAE
IPC: C12G3/04
Filed: 1999-01-30
Abstract: PURPOSE: A process for preparing diluted soju is provided, which is characterized in that loess-derived ceramics is used for the promotion of alcoholic aging by far infrared rays(10-100 micrometer) emitted from loess. Therefore, the process can reduce aging period, consequently reducing cost and offer steady and tender tastes. CONSTITUTION: A process for preparing diluted soju is characterized by comprising the following steps of: pre-treating water with powdery activated carbon or an ion exchange resin for removing suspended solids or bad smell, therein tab water or underground water can be used ; filling up loess ceramics in a column and passing the pre-treated water through the column; mixing the treated water and ethanol in a ratio of 4-0.6 : 1 ; aging the mixture. In the process, the ethanol is prepared by fermenting starches such as rice, barley, sweet potato, wheat or tapioca followed by distilling process.
Patent KR-20000054937-A (KR)
Inventor: SEO BYUNG HO
IPC: A63B23/00
Filed: 1999-02-01
Abstract: PURPOSE: A physical training device is provided to achieve convenience in installation and use while arranging a brake function in a brake ring system instead of belt system, and prevent injury to user's finger while arranging a cover plate over joint portions. CONSTITUTION: A device comprises a first joint (10) elliptically moving by a footstep(11), a second joint(20) attached to an end of the first joint and which functions as a hinge centering a second axis(22), the second joint having at a top portion thereof a handle(24), a third joint(30) of which lower end is fixed to a center of the first joint and which is cam-operated rotating as being attached to a crankshaft(36), a fourth joint(40) having an end attached to a top of the third joint, a first axis(21) fixing the other end of the fourth joint and which is installed in the vicinity of the second axis, and a cam rotation wheel(34) supporting the first and second axes and which supplies an inertial force for a rotation of a cam disk(32), wherein the device further comprises a brake ring(60) fitted to a camshaft(35) of the cam rotation wheel and which has a slit for varying diameter in lengthwise direction and at an outer periphery thereof a positioning groove, and a rotation lever(50) for pressing the positioning groove or releasing the pressing. A cover plate is formed integrally with the fourth joint so as to cover a gap between the fourth joint and the third joint, and the handle is S-shaped for allowing the user to select quantity of motion.
Patent KR-19990072928-A (KR)
Title: 전기부품용소켓
IPC: H01L23/32
Filed: 1999-02-25
Abstract: 본 발명의 전기부품용 소켓은 「전기부품」으로서의 IC패키지를 탑재하는 탑재부를 갖는 소켓본체와, 각 소켓본체에 취부되어 상기 IC패키지의 IC리드에 분리접속이 가능한 복수의 콘택트핀 및, 상기 소켓본체에 상하 이동이 자유롭게 설치된 상부조작부재를 갖추며, 각 콘택트핀에는 상기 IC리드에 접촉되는 가동접편이 형성되고, 상기 상부조작부재를 상하 이동시키는 것에 의해 상기 가동접편이 변위되어 상기 IC리드에 분리접속되도록 된 전기부품용 소켓에 있어서, 상기 상부조작부재에 상기 콘택트핀으로부터의 반발력에 의한 상기 상부조작부재의 내측으로의 변형을 억제하는 「변형억제수단」으로서의 변형억제리브를 설치한다.
Patent KR-20000059489-A (KR)
Inventor: LEE SU MI
IPC: H04B7/155
Filed: 1999-03-04
Abstract: PURPOSE: A method for executing a paging process in a mobile communication system, is provided to check the number of times for the incoming/originating calls of base stations included in an exchange to group the base stations and show paging priority, and to transmit a paging demand to the base stations groups according to the priority when receiving the paging demand, so as to reduce the load of a signal message during paging. CONSTITUTION: The number of times for incoming/originating calls of base stations included in an exchange is checked, and the base stations are grouped and paging priority orders are assigned according to the number of times. When a paging demand is received, the paging demand is transmitted to a base station group having a highest priority order, and a response for the transmission is waited. If a response is received from the base station group having a highest priority order, an incoming terminal included in the group is retrieved. And if a response is not received, the paging demand is transmitted to a base station group having a next priority order, and a response for the transmission is waited.
Patent KR-20000059940-A (KR)
Inventor: OH JE HUN
IPC: B25J18/00
Filed: 1999-03-10
Abstract: PURPOSE: An end effector of a robot arm is provided to prevent the droop of the end effector of the robot arm by making the end effector of the robot arm of fiber reinforced composite such as carbon fiber reinforced composite or Kevlar fiber reinforced composite. CONSTITUTION: An end effector of a robot arm includes a plurality of padding parts(130) located at the center of the end effector, face plate parts(140,145) located on the circumference of the padding parts, and edge-closures(190a,190b). The padding parts have a plurality of through holes passing vertically to increase the elasticity to the compressive strength and are located at the same plane in parallel. The face plate parts are fiber reinforced composite fastened on the robot arm. The edge-closures are connected and fastened to the face plate parts to prevent the padding parts from be exposed outward. The end effector of the robot arm supports pressure applied from all directions by the padding parts and the face plate parts.
Patent KR-20000060396-A (KR)
Inventor: CHO HAN IK
IPC: H02K5/04
Filed: 1999-03-15
Abstract: PURPOSE: A frame for a motor of aluminum extrusion process is provided to reduce an excessive initial expenses, shift a position of a terminal box easily, and improve a structural strength. CONSTITUTION: A frame for a motor of aluminum extrusion process includes a frame(30), which has an uneven structure(40) having 'T' type groove in the middle of the structure in both sides, to enable a low part of the frame(30) to be bolted with a frame base(20) horizontally. The frame base has a 'T' type convex surface combined with the 'T' type groove of the uneven structure(40), and a bolt(21) for combining the frame(30) with the frame base(20). For a case that a terminal box(10) is located in an upper position, both sides of the frame(30) corresponding to the position of the terminal box(10) are formed an additional uneven structure(41).
Patent KR-19990077893-A (KR)
IPC: A63F13/52
Filed: 1999-03-15
Abstract: 게임의 진행에 따라서 핀트(focus)를 고려한 3D 동화상 표현이 가능한 게임기를 제공하기 위해, 본 발명에서는, 복수의 오브젝트에 관한 3차원 입체 데이터와 게임 프로그램을 유지하고, 해당 게임 프로그램 및 상기 3차원 입체 데이터를 기초로, 월드 좌표계에 상기 복수의 오브젝트를 배치하고, 그 월드 좌표계에 배치된 복수의 오브젝트를 투영면 상에 투시 변환하여, 그 투시 변환된 영상 데이터를 표시 수단으로 동화상 표현하도록 하여 이루어지는 연산 처리 수단을 구비한 게임기에서, 상기 연산 처리 수단은 월드 좌표계에서의 특정 오브젝트 또는 그 특정 오브젝트의 특정 부위에 핀트가 맞도록 설정하고, 상기 핀트가 맞는다고 설정된 특정 오브젝트 또는 특정 오브젝트의 특정 부위로부터의 깊이에 따라 상기 월드 공간 내에 배치되는 복수의 오브젝트에 대해서 불선명 처리(blurring operations)를 행하는 게임기를 제공한다.
Patent KR-19990083386-A (KR)
IPC: H01J9/02
Filed: 1999-04-22
Abstract: 한 쌍의 전극 사이에 배치된 전자 방출부를 구비한 도전막을 포함하는 전자 방출 소자를 제조하는 방법에 있어서, 유기 물질 내의 불순물을 제거하는 제거 단계; 및 상기 유기 물질을 함유하는 분위기에서 상기 전극을 통해 상기 도전막에 전압을 인가하는 전압 인가 단계를 포함하는 전자 방출 소자 제조 방법이 개시된다.  전자 방출 소자는 화상 형성 장치에서 전자 빔 소스로 적합하다.
Patent KR-20000074177-A (KR)
Inventor: JUNG NAK WON
IPC: F25D11/00
Filed: 1999-05-18
Abstract: PURPOSE: A warm/cold water supplier is provided to enhance a hygienic state by giving a sterilization function to the warm/cold water supplier, to improve an appearance and to easily discriminate cold and warm water valves even in a dark place. CONSTITUTION: An ultra violet light is projected to water in a waiting state so that the water is entered into a cold or warm water case from a lower part of a water case(1). All kinds of germs and colon bacilli included in the water are sterilized and hygienic water is supplied. Further, mineral elements are preserved such that a water taste is good. The quality of a warm/cold water supplier is improved emitting illuminative light through a transparent tube body.
Patent KR-19990088671-A (KR)
IPC: C08K5/3492
Filed: 1999-05-29
Abstract: 주요 성분으로서 하기 화학식 1로 나타내지는 이소시아누레이트 골격을 갖는 페놀계 항산화제를 첨가하므로써 얻어지는 수지 물질을 포함하는, 잉크젯 기록 장치에 사용하기 위한 잉크 접촉 부재가 개시되어 있다.
Patent KR-20010001212-A (KR)
Inventor: AHN HYEOK SEONG
IPC: A47L9/16
Filed: 1999-06-02
Abstract: PURPOSE: An air suction channel structure of a cyclone is provided to arrest the pressure loss of air sucked into a cyclone body and to smoothly guide an air movement in the cyclone body without a vortex generator. CONSTITUTION: Air containing dust is sucked into a cyclone body(10) through a suction channel pipe(20) by the suction force of an air discharge pipe(30). The suction channel pipe is slant at a regular angle to the contact line of the cyclone body. Thus, air is sucked into the cyclone body, keeping a slant as much as the angle of the suction channel pipe. Therefore, pressure loss of air is reduced even through the air discharge pipe affects air with suction force.
Patent KR-20010001978-A (KR)
Inventor: YOU KYU JAE
IPC: A23C9/00
Filed: 1999-06-10
Abstract: PURPOSE: Provided is a method for preparing calcium powder for a milk additive whose particles are very fine, and which has an affinity for milk, is dispersed evenly in milk, and does not settle during a long storage compared to existing CaCO3 for calcium-reinforcing agent. CONSTITUTION: The method for preparing a calcium powder for a milk additive is composed of the following steps: (i) a first step to add sucrose to calcium hydroxide(Ca(OH)2), and introduce carbon dioxide(CO2) at a speed of 40-200l/min-kg Ca(OH)2 to prepare activated CaCO3 of 0.01-0.04micrometer; (ii) a second step to prepare CaCO3 coated with a lactic acid layer by adding lactic acid to the activated CaCO3; and (iii) a third step to dewater the coated CaCO3, dry, and powder.
Patent KR-20010004665-A (KR)
Inventor: LEE SANG PIL
IPC: G11C5/14
Filed: 1999-06-29
Abstract: PURPOSE: A high voltage generator is provided to make a variation of a potential difference between a gate and a source of a MOS capacitor inducing a high voltage to a boosting node and largely reduce degree of an electric potential drop to realize maximization of the pumping efficient by low power consumption CONSTITUTION: A high voltage generator includes a precharge portion(10), a switching portion(20), a boosting portion(30), and a boosting node connecting portion(40). The precharge portion selectively precharges both precharge nodes under control of a first pulse signal to an outer power supply voltage level. The switching portion is selectively switched according to the electric potential level of the both precharge nodes and respectively controls connection for both boosting nodes. The boosting portion selectively boosts the both boosting nodes to a high voltage level under control of a second pulse signal being generated with a timing different with the first pulse signal. The boosting node connecting portion selectively connects the both boosting nodes under control of a third pulse signal being generated before the second pulse signal is transitted, and controls so as to reduce the width of an electric potential variation of each boosting node according to an electric charge distribution between two boosting nodes.