baber/WOPTO huggingface dataset:
Patent KR-20010055147-A (KR)
Inventor: LEE GEUN HYEONG
IPC: A47L7/04
Filed: 1999-12-09
Abstract: PURPOSE: A vacuum cleaner makes a motor radiate heat smoothly to extend life of the motor and prevent hear deformation of parts thereof. CONSTITUTION: A vacuum cleaner comprises a main body(410), a suction inlet body(420), a suction flow passage(422), a dust bag(413), a cooling flow passage(450) and a reflux flow passage(440). The main body(410) has a fan(411) connected with a motor(412) with a shaft to generate suction force inside. The suction inlet body(420) has a suction inlet(421) to suck air and foreign matters in. The suction flow passage(422) connects the inside of the main body(410) with the inside of the suction inlet body(420) to communicate with each other to transmit suction force generated in the main body(410) to the inside of the suction inlet body(420). The dust bag(413) is placed inside the main body(410) to collect foreign matters sucked in to the inside of the main body(410) through the suction flow passage(422). The cooling flow passage(450) communicates with the outside of the main body(410) to guide the movement of external air to cool the motor(412) placed in the main body(410). The reflux flow passage(440) has a part formed to penetrate the cooling flow passage(450) to guide the movement of air passing through the dust bag(413) through the fan(411) to the inside of the suction inlet body(420). The part of the reflux flow passage(440) penetrating the cooling flow passage(45) is formed zigzag to increase heat radiating efficiency.
Patent KR-20000012672-A (KR)
Inventor: OH YOUNG SIK
IPC: B01F3/04
Filed: 1999-12-17
Abstract: PURPOSE: A vapor and liquid acceleration mixer is provided to increase the amount of dissolved oxygen in a waste water disposal station and to dissolve plasma such as ozone in water. CONSTITUTION: The mixer has many connected complex pipes(30) and the complex pipes repeatedly connects a first pipe(32) having a regular diameter and length and a second pipe(34) having smaller diameter and length than the first pipe's. Both side ends of the complex pipe install a bending pipe(36) and the end of the pipe(36) installs a flange(38) so as to connect other complex pipes. Also, an inlet installs a standard capacity pump that injects fluid in a regular amount into the complex pipe and the outside of an outlet connects to a discharging pipe(184) in a state of intervening a transparent pipe(182).
Patent KR-20010063478-A (KR)
Inventor: KIM GYEONG MIN
IPC: H01L27/108
Filed: 1999-12-22
Abstract: PURPOSE: A method for manufacturing an aluminum oxide layer of a semiconductor device is provided to easily control a manufacturing process and to decrease manufacturing cost, by using modified Al(CH3)3(trimethyl aluminum)(MTMA) to form the aluminum oxide layer wherein MTMA has lower flammability, explosiveness and vapor pressure than trimethyl aluminum(TMA). CONSTITUTION: A semiconductor substrate having a lower structure by a predetermined process is located in a reactor(15) having an exhaust pump. Modified Al(CH3)3(trimethyl aluminum)(MTMA) as an aluminum source is supplied to the inside of the reactor so that aluminum is absorbed to the surface of the semiconductor substrate. Nitrogen gas is injected to the inside of the reactor or vacuum-purged to exhaust unreacted aluminum source and reaction byproduct through an exhaust pump. An oxygen source is supplied to the inside of the reactor to make oxygen absorbed to the surface of the semiconductor substrate. Nitrogen gas is injected to the inside of the reactor or vacuum-purged to exhaust unreacted oxygen source and reaction byproduct through the exhaust pump.
Patent KR-20010057449-A (KR)
Inventor: JU MUN GAP
IPC: B22D11/06
Filed: 1999-12-23
Abstract: PURPOSE: A method for controlling molten metal surface level in a twin roll type continuous casting line is provided to exactly and promptly control the level of molten metal surface at an initial casting to a target level of the molten metal surface by considering change of a casting speed and a roll gap. CONSTITUTION: A method for controlling molten metal surface level in a twin roll type continuous casting line includes the steps of setting a target molten metal surface level(Lo), opening a stopper to the maximum height(Hm) after starting casting, continuously measuring a real molten metal surface level, obtaining error of the molten metal surface level, and obtaining the sum of error of the molten metal surface level until a real molten metal surface level value is equal to a prescribed level value if the real molten metal surface level value is smaller than the prescribed level value.
Patent KR-20010061221-A (KR)
Inventor: CHO EUN RAE
IPC: D01F6/46
Filed: 1999-12-28
Abstract: PURPOSE: Provided is a manufacturing method of a polyethylene-2,6-naphthalate fiber having 8.0-10.3g/denier of tensile strength, at least 2500kg/mm of Young's modulus, increased dimensional stability(below 6% of shrinking percentage in 180deg.C of dry heat), at least 271deg.C of melting point, increased uniformity of quality, chemical resistance and improved spinning workability, and being useful for a tire cord, a hose and a belt for industries. CONSTITUTION: When the polyethylene-2,6-naphthalate fiber is obtained by melt-spinning polyethylene-2,6-naphthalate polymer having 0.5-1.5 of inherent viscosity and containing 90mol% of naphthalene dicarboxylate unit, and drawing. The following formula(1) is made between spinning temperature and inherent viscosity of an undrawn yarn and a drawn yarn. In the formula(1), Z is spinning temperature, and Y is inherent viscosity of the undrawn yarn and the drawn yarn. Inherent viscosity of the undrawn yarn and the drawn yarn comes to 0.5-1.0dl/g by controlling spinning temperature.
Patent KR-20010061572-A (KR)
Inventor: KIM JAE SIK
IPC: C21B7/06
Filed: 1999-12-28
Abstract: PURPOSE: A method for injecting furnace wall repairing material capable of well depositing spray refractory material over the brick of a furnace body by adding moisture to the spray refractory material, keeping a suitable distance between a furnace wall and front end part and using a nozzle with a suitable thickness is provided, which reduces repairing expenses and makes it possible to perform normal blast furnace within a short time. CONSTITUTION: This furnace wall repairing material is injected by the following process consisting of: adding 3% by weight of moisture to spray refractory material by a feeder gun and mixing; adding 12% by weight of moisture to spray refractory material mixed with mixture supplied from the feeder gun by a rotating gun; and spraying the refractory material on the furnace wall while keeping a distance of 1.5 to 2.5m between front end part of spray nozzles of the rotating gun and furnace wall.
Patent KR-20010059052-A (KR)
Inventor: LEE HYEON GU
IPC: G01K7/00
Filed: 1999-12-30
Abstract: PURPOSE: A heat flux measuring apparatus of a combustion chamber is provided to reduce the whole radius by installing only chromel lines in a base metal and enable one-dimensional analysis of heat flux. CONSTITUTION: A heat flux measuring apparatus of a combustion chamber(12) includes a base metal(16) having the equal property with constitutive elements of the combustion chamber, a first chromel line(18) inserted into the inside of the base metal and extended to the combustion chamber, and contacting with the combustion chamber of the base material for forming a hot junction part(H.P), a second chromel line(20) mounted on the outer side surface of the base material, and an alumel line(22) mounted at the same position of the second chromel line on the outer side surface of the base metal for forming a cold junction part(C.P).
Patent KR-20010059077-A (KR)
Title: Suspension arm ball joint of vehicle
Inventor: SON HAK JUN
IPC: B60G3/12
Filed: 1999-12-30
Abstract: PURPOSE: A suspension arm ball joint is assembled to a rear suspension arm with screw type instead of press fit type. CONSTITUTION: A ball joint comprises a screw(34), an assembly flange(38) and a connecting nut(40). The screw is forcedly inserted into an insertion piece formed on one end of a rear suspension arm and has a stud integrated with a metal ball assembled thereto. The assembly flange(38) is formed on the edge of a dust cover(36) penetrating the stud to be assembled to an insertion groove(50) of a ball joint case(32). The connecting nut(40) presses the assembly flange(38) of the dust cover(36) and is engaged with the screw(34) of the ball joint case(34) for the ball joint case(34) to be assembled to the insertion piece of the suspension arm.
Patent KR-20010059785-A (KR)
Title: Spare tire clamper
Inventor: LEE DONG HO
IPC: B62D43/00
Filed: 1999-12-30
Abstract: PURPOSE: A spare tire clamper lets a worker to use hands or tools to install and detach a spare tire. CONSTITUTION: A clamper comprises a clamp part(61), a built-in bolt part(63), and a torque generating device. The clamp part(61) holds a disk wheel of a spare tire. The built-in bolt part(63) is built in the clamp part(61) protrusively under the clamp(61) and engaged with a bracket of a car body. The torque generating device is formed to rotate the clamp part(61) for a worker to use hands or tools as needed and engages the built-in bolt part(63) to the bracket of the car body. The worker holds a handle(67) by hand or engages a wench with a nut(65) to rotate the clamp part(61).
Patent KR-20010066204-A (KR)
Inventor: KIM CHEOL GI
IPC: H04Q9/00
Filed: 1999-12-31
Abstract: PURPOSE: An Internet TV remote control device using a cordless telephone is provided to transmit remote control signals regardless of direction and distance by connecting the main body of a cordless telephone to an Internet TV and using the handset of the cordless telephone as the remote control of the Internet TV. CONSTITUTION: An Internet TV remote control device using a cordless telephone is provided with a cordless telephone main body(20), a cordless telephone handset(10), an Internet TV(40), and a telephone jack(30). The telephone jack(30) is provided to connect the Internet TV(40) and the cordless telephone main body(20). The Internet TV(40) is comprised of a sound card, a remote control device control part, a monitor control part, and a monitor. The sound card is connected to the telephone jack(30) of the cordless telephone main body(20). The remote control device control part, connected with the sound card, controls the Internet TV remote control device according to the key input signals of the cordless telephone handset(10).
Patent KR-20000068616-A (KR)
Title: 디스크형 기록매체 수납장치
IPC: G11B23/03
Filed: 1998-07-23
Abstract: 광디스크를 유지한 채로 디스크 드라이브 장치상에 로딩될수 있는 광디스크 교환 유지용 수납장치에 관한 것이다. 상기 수납장치는 디스크형 기록매체를 그 주표면상에 유지하기 위한 디스크 하우징 섹션과 이 디스크 하우징 섹션에 유지된 디스크형 기록매체를 기록 및 재생하기 위한 개구와 디스크 하우징 섹션에 유지된 디스크형 기록매체를 회전 구동하기 위한 중앙 개구를 구비한 메인 케이싱 부재를 구비한다. 상기 케이싱 메인 부재는 상기 디스크 하우징 섹션과 개폐 제어 부재를 개폐하기위한 커버 부재를 회전가능하게 지지한다. 이들 개폐 제어 부재는 커버 부재의 개폐를 제어하여 커버 부재를 개방할수 있고 그로 인해 디스크 하우징 섹션의 포지티브하게 폐쇄된 상태를 확보한채 광디스크를 교환할수 있도록 커버 부재와 결합하는 제 1 위치와 커버 부재로부터 결합 해제되는 제 2 위치 사이를 이동한다.
Patent KR-20000068675-A (KR)
Title: 자석 합금 벨트 및 수지 결합 본드 자석
IPC: H01F1/08
Filed: 1998-07-23
Abstract: 용탕 급냉법에 의해서 얻어지는 자석 합금 벨트에 있어서 안정된 자기 특성을 확보하고, 또한 본드 자석에 있어서 자기 특성과 내식성에 우수한 특성을 얻기 위해, 자석 합금 벨트에 있어서 합금 벨트가 응고시에 급냉 롤과 접촉하고 있는 면(롤면)에 존재하는 딤플형 오목부(22)의 면적율 등을 규정하는 것으로 하였다. 이것에 의해, 안정된 자기 특성을 갖는 자석용 합금 벨트를 얻을 수 있다.  또한, 이러한 합금 벨트를 분쇄한 분말을 사용함으로써 자기 특성과 내식성에 우수한 본드 자석을 얻을 수 있다.
Patent KR-20000049151-A (KR)
Inventor: ESMAILZADEH RIAZ
IPC: H04B1/707
Filed: 1997-10-14
Abstract: PURPOSE: A mobile telecommunications system is provided to reduce a time required to process a random access mobile-originated call and to detect, identify and receive multiple random access requests with the use of an access packet including a preamble and a plurality of fields. CONSTITUTION: Each mobile station(16, 18) transmits a random access packet that includes a preamble and a plurality of fields. A base station receiver(14) includes a plurality of accumulators(15a-15n). Each accumulator is tuned to a different preamble symbol pattern. Consequently, the base station receiver(14) may distinguish and process between simultaneous random access requests.
Patent KR-20000068801-A (KR)
Title: 표시 장치
IPC: G09G3/30
Filed: 1998-08-25
Abstract: 본 발명의 표시 장치는, 각 화소에 발광 강도가 각각 다른 복수의 발광 소자를 형성하고, 각 발광 소자의 발광 또는 비발광을 제어함에 의해 계조를 표현한다. 디지털 신호가 각 화소 까지 전달되며, 각 발광 소자에 직렬로 접속된 박막 트랜지스터에 의해 제어한다. 각 발광 소자의 발광 강도는, 공비 2의 등비 수열이다. 박막 트랜지스터의 온 저항은, 발광 소자의 온 저항보다도 작고, 박막 트랜지스터의 오프 저항은, 발광 소자의 오프 저항보다도 크게 하였다. 이것에 의해, 트랜지스터의 컨덕턴스의 불균일성에 기인하는, 발광 소자의 발광 강도의 불균일성을 감소시켜, 화질의 향상을 실현하였다.
Patent KR-20000053183-A (KR)
Inventor: MACHIDA KATSUYUKI
IPC: G11B5/84
Filed: 1997-10-31
Abstract: PURPOSE: A method for flattening substrate is provided to easily flattening the uneven surface of a substrate having an uneven surface. CONSTITUTION: A method for flattening substrate comprises the steps of forming a coating film containing spherical fine particles on a surface of a smooth substrate; sticking the surface of the smooth substrate provided with the coating film containing spherical fine particles to the uneven surface of a substrate having an uneven surface; and transferring the coating film containing spherical fine particles to the uneven surface of the substrate so that the uneven surface is flattened.
Patent KR-20000062418-A (KR)
Title: 충전 배터리의 셀 역전압 검출 장치
IPC: H01M10/48
Filed: 1998-01-05
Abstract: 복수의 직렬 연결된 충전 배터리를 가진 배터리 팩을 모니터링하는 장치는 셀 역전압을 검출하는 수단과 셀 역전압 검출시에 배터리 팩의 배터리를 보호하는 수단을 구비한다.
Patent KR-20000075989-A (KR)
IPC: C07C57/04
Filed: 1998-03-05
Abstract: 본 발명은 (메트)아크릴산을 함유하는 수용액의 추출 방법에 관한 것이다.  상기 용액을 (메트)아크릴산으로 전환될 수 있고 수용액과 혼화성 갭을 형성하는 1종 이상의 추출제를 함유하는 용액과 접촉시켜 (메트)아크릴산 및 추출제를 함유하는 유기상과 수상을 생성시킨다.
Patent KR-20010012982-A (KR)
Title: 와류 디스크 및 와류 디스크를 갖춘 연료 분사 밸브
IPC: F02M61/18
Filed: 1999-04-01
Abstract: 본 발명은 와류 디스크가 하나 이상의 금속 재료로 구성되며, 하나 이상의 유입 영역(65)과 하부 기부층(62)에 일체화된 하나 이상의 유출 개구(69) 및, 중간 와류 발생층(61)에 배치된 와류실(68) 내로 연통되는 두 개 이상의 와류 채널(66)을 구비한 특징을 가진 와류 디스크에 관한 것이다. 상부 층은, 전체 단면에 걸쳐 개구 윤곽 없는 연속층을 구성하는 덮개층(60)으로서 구성되어 있다. 상기 와류 디스크(30)의 모든 층은 금속 전기 분해(다층 전기 분해)에 의해 직접 서로 적층되어 있다. 
     와류 디스크(30)는 연료 분사 밸브, 특히 혼합 압축 불꽃 점화형 내연 기관의 연소실 내에 연료를 직접 분사시키기 위한 고압 분사 밸브에 사용되기에 특히 적합하다.
Patent KR-20010013766-A (KR)
IPC: B21D53/88
Filed: 1999-01-02
Abstract: 곡선형 평 바아(11)를 가지는, 특히, 이 바아 길이에 걸쳐 가변적인 두께(d)를 가지는 평 바아-윈드실드 와이퍼의 제조 방법에 있어서, 공차에 있어서 정밀한, 형상적으로 안정된 곡률 반경을 얻기 위해 서로 단일 부재로 연결된 평 바아(11)들로 이루어진 스프링 밴드(10)가 스프링 밴드 공급 방향으로 서로 일정한 간격을 가지면서 전후로 교대하여 상기 스프링 밴드(10)의 양 측면 중 한 쪽에 인접하는 3개의 지지점(23 내지 25) 사이에서 휘어져 있으며 그 다음의 지지점(32)에서 그에 비해 적은 휨 정도만큼 반대 방향으로 역 방향으로 휘어져 있으며 그리고 이 경우 그와 같이 처리된 평 바아(11)가 상기 스프링 밴드(10)로부터 분리된다.  그와 같이 처리된 평 바아(11)는 그 다음에 스프링 밴드(10)로부터 분리되어 탄성 와이퍼 스트립(43)과 결합되며 및 이 와이퍼 아암(42)을 위해 연결 장치를 가지게 된다.
Patent KR-20000024175-A (KR)
Inventor: LEE WON CHEOL
IPC: H04N7/12
Filed: 2000-01-26
Abstract: PURPOSE: A complex-type bi direction TV distributor is provided to make a circumstance of each user adapt to a varying information society by connecting, contacting and distributing various services to predetermined points. CONSTITUTION: A complex-type bi-direction TV distributor comprises a case and a lower cover. The case(20) is divided into an aerial wave TV zone, a complex wire TV zone and a CS/BS TV zone so as to have a partition of the same material as the case of a predetermined standardization at a predetermined place in the case in order to support an use of a bi-direction supper high speed multimedia service and to prevent a mutual communication obstacle. The case has F-type input connecting openings(50) each corresponding to an aerial TV, a complex wire broadcasting TV and a satellite TV, and has a plurality of output purpose F-type connecting openings(61,71). The lower cover(40) is formed by an aluminum material for a protection of a printed circuit board(30) in a body.
Patent KR-20010077045-A (KR)
Title: New process for preparing pyrrole amide
Inventor: JANG JAE HYEOK
IPC: C07D207/50
Filed: 2000-01-31
Abstract: PURPOSE: A new manufacturing method of pyrrol amide is provided, which is characterized by using dialkyl aluminium halide as a condensing agent and getting high yield without a polymer by-product. CONSTITUTION: The pyrrol amide is obtained by a process containing the steps of: making reaction with an amine compound(formula 3) and the dialkyl aluminum halide into inert solution for manufacturing formula 1; and then adding an ester compound(formula 4), followed by making reaction. In the formula 1, 3 and 4, R represents hydrogen or alkyl, aryl or aralkyl of a straight chain or a side chain having 1-8 of carbon number; R1 represents alkyl of a straight chain or a side chain having 1-4 of carbon number; and R2 and R3 represent alkyl of a straight chain or a side chain having 1-4 of carbon number isolated/not isolated or substituted/not substituted by O, S, SO2 or NR4(R4 represents hydrogen or alkyl of a straight chain or a side chain having 1-4 of carbon number) respectively, or constitute 5-6 of heterocycle by reducing O, S, SO2 or NR4 with nitrogen attaching R2 and R3.
Patent KR-20010081359-A (KR)
Title: chestnut tea (C tea)
Inventor: JEON BYUNG GWAN
IPC: A23F3/00
Filed: 2000-02-14
Abstract: PURPOSE: Provided is a tea product made from inner shell of chestnut containing abundant natural organic matters such as tannin, amino acid, Catechin and sugars, which has improved functionalities and promotes physical health. CONSTITUTION: The tea is prepared by collecting the inner shells of chestnut to be thrown away, roasting and fermenting the collected inner shells and then pulverizing and packing the resulting shell material or extracting the fermented chestnut shell in liquid form and packing in a can or PET bottle.
Patent KR-20010081763-A (KR)
Title: apparatus and method for preserving key transmission in ratio input system
Inventor: KWON HYEOK SEONG
IPC: H04W12/04
Filed: 2000-02-18
Abstract: PURPOSE: A device for securing radio input system and a method the same are provided to prevent a drain into other people in transmitting a key value by transmitting the key value with a coding, a timing modulation, or a frequency modulation of an input key. CONSTITUTION: A clock control unit(102) controls a clock according to a frequency generated in an oscillator(101). A clock dividing unit(104) divides the clock controlled in the clock control unit(102) according to a control signal. A control unit(103) outputs the signal for controlling the clock dividing unit(104) according to a key value inputted in a key matrix decoder, and modulates the key value inputted in the key matrix decoder according to the clock divided in the clock dividing unit(104). A micom(105) modulates the frequency according to the signal output through the first transmission sensor from the control unit(103), outputs a mode transition signal through the second transmission sensor, receives the key value inputted from the key matrix decoder through the second receiving sensor and processes the key value to generate a corresponding control signal.
Patent KR-20000058111-A (KR)
Inventor: NAKAMURA KAZO
IPC: H03M1/66
Filed: 2000-02-19
Abstract: PURPOSE: A circuit for driving display device and LCD is provided to convert a digital video signal inputted at serial into an analog signal accurately and easily by performing a digital and analog conversion according to a performance of a re-division of a potential between a primary capacity and a secondary capacity. CONSTITUTION: A load latch(24) latches each bit data(d1-d6) and inputs prior 3-bit data(d1-d3) to a gamma collection circuit(80). The gamma collection circuit(80) has an inverter(80A), an AND gate(80B), an OR gate(80C) and a switch(80D). Logic gates(80A-80C) perform a logic operation according to prior 3-bit data(d1-d3) inputted from the latch(24). A DAC(10C) has three primary capacitances(C11-C13) and six secondary capacitance(C21-C26). The DAC(10C) charges primary capacitances(C11-C13) using reference potentials selected by the gamma collection circuit(80) according to input data(d4-d6). The DAC(10C) redivides potential of primary capacitances(C11-C13) between secondary capacitance(C21-C26) to complete an analog conversion.
Patent KR-20010087855-A (KR)
Title: ozone generator in the water
Inventor: KIM SEOK KYU
IPC: C02F1/78
Filed: 2000-03-07
Abstract: PURPOSE: A high concentration ozone water generator is provided, which can shorten the treatment time and increase the sterilizing efficiency by using high concentration ozone water in the fields of sterilizing and deodorizing. CONSTITUTION: The system comprises the followings: (i) a chamber (11) that has an inlet (9) at the bottom and an outlet (10) at the opposite top, the outlet (10) having a valve (16) for controlling the inside pressure to increase solubility of bubbles; (ii) two counter electrodes (14,15) which are set vertically in the chamber (11) at every other position and are connected to a DC power source (8); and (iii) an ultrasonic element (12) that is set at the bottom of the chamber (11) and connected to an ultrasonic element power source (13) for separating fine bubbles generated from the counter electrodes (14,15) from the electrodes (14,15) and for dissolving the fine bubbles into water easily.
Patent KR-20000062783-A (KR)
Title: 차기성 필름의 제조 방법
IPC: B29C55/02
Filed: 2000-03-08
Abstract: 본 발명에서는 산소 차기성이 우수하며 수분에 의해 거의 영향을 받지 않는 차기성 필름의 제조 방법이 제공된다.  본 방법은 탄소수가 4 이하인 α-올레핀 단위를 19몰% 이하로 함유하는 폴리비닐 알코올을 기판 필름상으로 압출시키고, 이를 3배 이상 신장시킨 다음 120℃ 이상의 온도에서 가열 처리하는 것을 포함한다.
Patent KR-20010014639-A (KR)
Inventor: TAMURA MASABUMI
IPC: G06F21/62
Filed: 2000-03-28
Abstract: PURPOSE: To obtain the contents managing method which limits the duplication of contents and protects the CONSTITUTION: An LCM 1 is equipped with a secure contents server(SMS) 2 and contents are stored on an SMS 2. The SMS 2 outputs contents data to media (MC) 13. The SMS 2 subtracts '1' from the rest number of contents of checkout requests of a hotel book and erases information stored in areas corresponding to the folders of the contents on the MC 13 by overwriting random numbers. Then the SMS 2 receives the values of the respective areas after overwriting transferred from the MC 13 so as to confirm the overwriting erasure and checks them. Consequently, the number of duplicate contents is efficiently restricted to protect the
Patent KR-20000063061-A (KR)
Title: 디스크 드라이브 장치 및 그 턴테이블
IPC: G11B17/028
Filed: 2000-03-30
Abstract: 턴테이블의 테이블 본체와 처킹 링이 별체로 구성되어 있으며, 처킹 링을 테이블 본체에 끼워맞춤(嵌合)시켜 일체화시키는 구성이 되어 있었기 때문에, 테이블 본체와 처킹 링과의 끼워맞춤 정밀도가 요구된다는 과제가 있었다. 
     정보 신호의 재생을 위해 사용되는 광 디스크(33)가 장착되는 턴테이블(47)과, 이 턴테이블(47)이 회전부에 설치되는 스핀들 모터(51)를 구비한 디스크 드라이브 장치에 관한 것이다.  턴테이블(47)은 광 디스크(33)가 적재배치되는 적재배치부(47a)와, 광 디스크(33)의 센터 구멍(33a)에 끼워맞춤됨과 동시에 그 센터 구멍(33a)의 내주면에 압접되는 탄성편(147b)을 갖는 끼워맞춤부(47b)를 구비하여, 그 적재배치부(47a)와 끼워맞춤부(47b)를 일체 형성한다.
Patent KR-20010094615-A (KR)
Title: A zoom camera to have a function of automatically turning the power off and the method
Inventor: KIM SANG DO
IPC: G03B7/26
Filed: 2000-03-31
Abstract: PURPOSE: A zoom camera having a function for automatically blocking off the power supply and the power supply blocking method thereof are provided to protect a body tube at a wide end when the camera is not used temporarily and achieve the instant photographing without turning on the power supply when a subject is instantly caught. CONSTITUTION: A zoom camera having a function for automatically blocking off the power supply includes a power supply part(90) for supplying power required for operating the camera, a moving part(130) for moving a body tube, a detecting part(140) for detecting a position of the body tube, a control part(150) for operating the moving part to move the body tube to a wide end in the absence of any camera switch operations for a first stopping time after a final operation of the camera, if the body tube is not at the wide end as a result of the analysis of a signal output from the position detecting part, and operating the moving part to move the body tube to a close position to blocking the power supply in the absence of any camera switch operations for a second stopping time after the first stopping time, and a switch part(160) having a power switch for turning on or off the power supply part.