baber/WOPTO huggingface dataset:
Patent KR-20030041710-A (KR)
Title: An elastic bet conveyor of tripper moving type
Inventor: CHO CHANG U
IPC: B65G15/64
Filed: 2001-11-21
Abstract: PURPOSE: An expansion belt conveyor for moving a tripper is provided to selectively change charging lines in a narrow space, prevent a chute from being jammed, and reduce the number of the work processes. CONSTITUTION: An expansion belt conveyor for moving a tripper includes a body part(10), a pulley part(30), and a control part. In the body part, a tripper chute(12) is mounted to a head pulley(11a) of a belt member(11). The body part has a body frame(13) horizontally moving on a fixed rail(13a) by the driving force of a first motor(14), and has a tension tower for maintaining tension, to a tail pulley of the belt member, to horizontally move the tripper chute to charging lines(5a,5b,5c). The pulley part has a second motor horizontally moving a moving pulley(31) rotatably assembled to the body frame, and has a fixed pulley(33) rotatably assembled to a fixed pulley base(33a). The belt member is wound around the pulley part. The control part has plural sensor members corresponding to the charging lines, to detect the position of the tripper chute, and has a controller controlling driving of the first and second motors by the detection signals of the sensor members.
Patent KR-20030042679-A (KR)
Title: Flash memory device having a multi bank structure
Inventor: KIM MIN GYU
IPC: G11C16/28
Filed: 2001-11-23
Abstract: PURPOSE: A flash memory device of a multi-bank structure is provided to perform a dual operation the multi-bank structure by sorting input addresses into read addresses and write addresses. CONSTITUTION: A plurality of banks(100-400) includes a plurality of memory cell arrays(208,211,214,217) and a plurality of row and column decoders(207,210,213,216). An address sorting portion(202) sorts input addresses into read addresses and write addresses. The first selection portion(203,204) performs a read operation by selecting one bank from the plural banks. The second selection portion(205,206) performs a write operation by selecting one bank from the plural banks. A plurality of sense amplifiers(219,220) are used for comparing data of the banks with a reference cell. A pumping portion(221) applies the predetermined bias to the banks.
Patent KR-20030046265-A (KR)
Title: Heating apparatus of rough rolling roll
Inventor: KIM JIN SU
IPC: B21B27/10
Filed: 2001-12-05
Abstract: PURPOSE: A rough roll heating apparatus is provided to reduce heating time and to expand life span of a rough roll by directly spraying hot water onto a surface of the rough roll. CONSTITUTION: A rough roll heating apparatus includes a guide section(10) for guiding a rough roll when attaching/detaching the rough roll to/from a rolling mill, a spraying section(20) installed at an upper portion of the guide section(10) for spraying water towards a surface of the rough roll and a protecting section(30) for preventing water spraying from the spraying section(20) from being dispersed towards an exterior. A pair of bases(11) are installed at both sides of the rolling mill. A guide rail(12) is arranged between the bases(11). A moving vehicle is provided on the guide rail(12). The spraying section(20) includes a supporting beam(21) installed at an upper portion of the bases(11).
Patent KR-20030048289-A (KR)
Title: Security device and manufacturing method thereof
Inventor: KIM EUN SUNG
IPC: H04N5/64
Filed: 2001-12-11
Abstract: PURPOSE: A protector and a method for fabricating the protector are provided to allow a user to watch an image displayed on a monitor only when the user takes a front view of the image or the user is at a specific angle. CONSTITUTION: A protector includes the first film(10), a plurality of blind layers(10a) arranged in the first film at a predetermined interval, an adhesive layer(20a,20b) formed on at least one side of the first film, and the second film(30a,30b) attached to the adhesive layer. The first film is formed of at least one of PC-Card, PET, PE, PVE and acryl glass. The adhesive layer is formed on both sides of the first film, and the second film is formed on both sides of the first film according to the adhesive layer.
Patent KR-20030050890-A (KR)
Title: Storage system of digital data broadcasting and the method
Inventor: JOA DEOK JIN
IPC: H04N5/76
Filed: 2001-12-19
Abstract: PURPOSE: An apparatus and a method for displaying digital data broadcasting are provided to extract and store only data information from the digital data broadcasting formed of audio, video, and data information, and play the extracted and stored data information at time wanted by a user. CONSTITUTION: A receiving unit(201) receives digital broadcasting signals. A data capture unit(202) identifies and extracts only data signals from the digital broadcasting signals received from the receiving unit. A storage medium(203) stores the data broadcasting signals extracted from the data capture unit. A replay unit(204) mixes and reorganizes the data broadcasting stored at the storage medium in text form for realizing the data broadcasting in one screen.
Patent KR-20030051944-A (KR)
Title: Method for automatical generating a tube layout
Inventor: SIM BYEONG SEOP
IPC: G06F17/50
Filed: 2001-12-20
Abstract: PURPOSE: A method for automatically creating a pipe arrangement design is provided to automatically design a pipe arrangement system which requests various materials, diameters, and configurations according to each section. CONSTITUTION: A three-dimensional pipe arrangement configuration is selected(S1). An attribute of the pipe arrangement is designated(S2). If the designated attribute value is not identical with a physical value of the three-dimensional pipe arrangement configuration(S3), the current stage is returned to the above (S2) stage. If a standard of a company is not identical with the designated attribute(S4,S5), the current stage is returned to the above (S2) stage. If a standard of a company is identical with the designated attribute(S4,S5), a pipe arrangement chart is prepared for creating point data necessary for a pipe arrangement(S6) and a pipe arrangement list file is created for checking the pipe arrangement(S7).
Patent KR-20030053227-A (KR)
Title: Analysis method of copper ion concentration in a nitric acid-copper pickling solution
Inventor: LEE SANG GIL
IPC: G01N31/00
Filed: 2001-12-22
Abstract: PURPOSE: A method for analyzing the concentration of a copper ion in a copper nitrate solution is provided, to enable the concentration of a copper ion to be analyzed easily on the spot. CONSTITUTION: The method comprises the steps of measuring the concentration of a copper ion in a copper nitrate acidic solution, and the total acidity and the free acidity of nitric acid; determining the copper-nitrate complex combination ratio by using the relation represented by (complex combination ratio) = (total acidity - free acidity)/(M.W. of nitric acid) - (M.W. of copper)/(concentration of copper ion); and determining the concentration of a copper ion by using the relation represented by (concentration of copper ion) = (total acidity - free acidity)/(M.W. of nitric acid) x (M.W. of copper)/(complex combination ratio).
Patent KR-20030054070-A (KR)
Title: Method for fabricating phase shift mask
Inventor: SIM GYEONG JIN
IPC: H01L21/027
Filed: 2001-12-24
Abstract: PURPOSE: A method for manufacturing a PSM(Phase Shift Mask) is provided to be capable of improving uniformity of CD(Critical Dimension) of a rim region and exactly controlling the CD. CONSTITUTION: A chrome film(12) is deposited on a quartz substrate(11). A desired portion of the chrome film(12) is selectively etched to define a contact hole region. The first sacrificial spacer is formed at both sidewalls of the chrome film(12). The second sacrificial spacer is formed at both sidewalls of the chrome film. The upper portion of the contact hole region of the exposed quartz substrate(11) is selectively removed by anisotropic etching. The first and second sacrificial spacer are removed. At this time, the size of a rim region is easily controlled by the first and second sacrificial spacer.
Patent KR-20030019044-A (KR)
Title: Image display method and apparatus
Inventor: HASHIMOTO YASUNOBU
IPC: G09G3/288
Filed: 2001-12-27
Abstract: PURPOSE: To increase the suitableness of a choice of an illumination pattern for reducing a false outline and a flicker. CONSTITUTION: For image display for reproducing half-tones by a subframe method of converting a frame into a plurality of subframes, an illumination pattern as a combination of choices of illumination and non-illumination by the subframes is determined by pixels constituting a display picture according to the frame data value of a pixel of interest, the illumination pattern of the pixel of interest in a past frame, and an illumination pattern determined as to circumferential pixels being pixels of the same display colors positioned nearby the pixel of interest.
Patent KR-20030059377-A (KR)
Title: Method for forming overlay measurement pattern capable of using with a alignment mark
Inventor: KIM SANG WON
IPC: H01L21/027
Filed: 2001-12-29
Abstract: PURPOSE: A method for forming an overlay measuring pattern capable of being used as an alignment mark is provided to be capable of reducing the cost and time of wafer alignment and overlay measuring process. CONSTITUTION: An outer box(60) capable of being used as a wafer alignment mark, is formed at an insulating layer coated on a scribe line of a wafer. At this time, the outer box is provided with a horizontal bar pattern group having a plurality of horizontal bar patterns and a vertical bar pattern group having a plurality of vertical bar patterns. A material layer for an aiming pattern is formed on the outer box. An inner box(62) made of horizontal and vertical bar type photoresist patterns, is formed between the horizontal and vertical bar patterns of the outer box.
Patent KR-20030059473-A (KR)
Title: Method for fabricating semiconductor device
Inventor: KIM GWANG JIN
IPC: H01L21/28
Filed: 2001-12-29
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of preventing the increase of effective dielectric constant by forming an etch stop layer by using ozone plasma treatment. CONSTITUTION: After forming the first interlayer dielectric(100) on a semiconductor substrate, a metal line(120) is formed in the first interlayer dielectric. The second interlayer dielectric(160) is formed on the first interlayer dielectric. An oxide layer(180) as an etch stop layer is formed by plasma treatment of the surface of the second interlayer dielectric. The third interlayer dielectric(200) is formed on the resultant structure. A via hole(170) and a trench(210) are formed by selectively etching the third and second interlayer dielectric.
Patent KR-20010080121-A (KR)
IPC: D04H1/46
Filed: 1999-08-23
Abstract: 본 발명은 표면 중량이 8-17 g/m 2 인 다공 섬유 접착포에 관한 것이다.  본 발명에 따른 직물은 0,05 내지 0,40 dtex 범위의 섬도를 갖는 연속 인터트와인(intertwined) 마이크로 섬유 필라멘트로 구성된다.  상기 필라멘트는, 상이한 소수성 및 케이크 조각을 닮은 섬유 횡단면을 갖는 열가소성 폴리머로 이루어진 적어도 2가지 상이한 타입의 필라멘트로 구성된다.  상기 필라멘트는 특히 구멍 영역에서는 어떠한 접착 또는 가열도 없다.
Patent KR-20020007279-A (KR)
IPC: G06F1/26
Filed: 1999-10-15
Abstract: 마이크로프로세서(110)에서의 전력 스로틀링을 위한 방법 및 장치가 기재되어 있다. 전압 소스(120)는 마이크로프로세서(110)에 전압을 공급하고, 클럭 소스(130)는 마이크로프로세서(110)를 요구된 주파수로 동작시킨다. 전력 모니터(145) 또는 대안적으로, 온도 센서는 마이크로프로세서의 단기간 전력 소비량 또는 온도를 측정하도록 구성된다. 제어 로직(140)은 전압 소스(120) 및 클럭 소스(130)에 연결된다. 제어 로직(140)은 전력 소비량 또는 온도의 지시를 적절히 수신하여 소정의 임계값과 비교한다. 비교에 응답하여, 제어 로직(140)은 공급 전압 및 주파수를 변경한다.
Patent KR-20010093078-A (KR)
Title: Anchoring device for fixing a structural cable to a building element
IPC: E04C5/12
Filed: 2000-09-12
Abstract: An anchoring device for fixing a structural cable to a building element, the cable comprising a plurality of strands each comprising wires which are themselves enclosed together in a protective sheath, each of the protective sheaths being interrupted at a terminal edge such that the strands have each an exposed end section. The exposed section is inserted in a sealed chamber with a packing box whereof on plate is fixed and the other plate is compressed by threaded rods.
Patent KR-20010101985-A (KR)
IPC: A61B8/00
Filed: 2000-11-20
Abstract: k 31 모드에서 동작하는 초음파 변환기 어레이 소자는 도전성 충전제 재료 (72, 76, 79)에 의해 2-2 복합물을 형성하기 위해 결합된 2개의 압전 서브소자들 (A1,A2;B1,B2;C1,C2)에 의해 형성된다. 활성화 전위는 도전성 충전제 재료에 인가되고, 복귀 전위는 서브소자들의 외부 대향면들에 인가된다. 양호하게 도전성 충전제 재료는 도전성 에폭시를 포함한다. 1 차원 및 2 차원에서 그와같은 소자들의 어레이는 활성화 전위의 반대되는 극성들에 접속되는 행에서 교대되는 절단면들에서 도전성 에폭시로 형성된다.
Patent KR-20010101825-A (KR)
IPC: F01P7/14
Filed: 2000-11-29
Abstract: 본 발명은, 적어도 하나의 작동 변수 및/또는 주위 온도에 따라 열 교환기로의 분기류(32)를 개방하거나 개방도 조절하거나 또는 폐쇄하고 바이패스 관(34)을 보충적으로 제어하는 적어도 하나의 제 1 제어 유닛(14)을 구비한 조절 회로(30)용 조절 밸브(10)에 관한 것이다. 
     제어 유닛(14)은 전동기적으로 또는 전자기적으로 구동되는 밸브 부재(26)의 위치에 대한 설정치(36)를 생성하고, 그 설정치는 조절 밸브(10) 내에 통합되어 있는 제 2 전자 유닛(20)에 의해 밸브 부재(26)의 위치의 구해진 실측치(38)와 함께 밸브 부재(26)의 위치에 대한 설정 크기로 처리될 것이 추천되고 있다.
Patent KR-20010102448-A (KR)
IPC: F23R3/00
Filed: 2000-02-28
Abstract: 복합재 열장벽 코팅 시스템은 인산염 결합된 매트릭스중에 높은 열팽창의 세라믹 속빈 구체(6)로 채워진 허니컴 금속 구조물(2)을 포함한다. 복합재 열장벽 코팅 시스템은 현재의 열장벽 코팅 시스템 이상의 두께(T)로 제조되어 더욱 큰 열보호를 부여할 수 있다. 더욱 우수한 내식성 및 마모특성 또한 얻어진다. 복합재 열장벽 코팅은 링실 세그먼트, 배인 세그먼트 슈라우드, 트랜지션 및 연소기와 같은 연소터빈 부품에 유용하다.
Patent KR-20020038565-A (KR)
IPC: A41C3/12
Filed: 2001-06-25
Abstract: 바스트 둘레가장자리 위치에서 좌우의 컵부와 토대부를 분리하고, 토대부의 분리단 가장자리를 따라서 소요의 강성과 유연성을 보유하는 수지로 이루어지는 가선을 두른 프레임을 부착하고, 상기 가선을 두른 프레임에 결합부를 일체적으로 설치하는 한편 상기 컵부에 피결합부를 설치하고, 상기 피결합부를 암수 결합하여 컵부를 토대부에 착탈가능한 연결 구성으로 하고 있다.
Patent KR-20010109519-A (KR)
IPC: A61Q5/06
Filed: 2000-03-03
Abstract: The invention relates to cosmetic hair care preparations containing: (a) water soluble beta-(1,3) glucans which are substantially devoid of beta-(1,6) links, and (b) polymers. The addition of the special glucans to the polymers reduces the formation of stress-cracking in the polymer films when the preparation is absorbed by the hair.
Patent KR-20010110757-A (KR)
IPC: G06Q50/30
Filed: 2001-02-14
Abstract: 본 발명은 네트워크상에서 폐차, 사고차의 가액을 산정하는 방법 및 시스템에 관한 것으로서, 차량을 안전하게 수거하고 중고부품의 재고품 목록을 파악하며, 구성부품 가격 시장을 정립하고 다양한 장소에서 발생된 폐차, 사고차 각각의 가격을 적절하게 평가함으로써 구성부품을 효과적으로 이용하기 위한 것이다. 차량 또는 차량부품에 관한 정보를 제트워크상에서 유통시켜 폐차, 사고차의 가격을 결정하는 방법은, 네트워크상에서의 자동차의 신부품 출하실적정보를 받아 당해 부품과 동일한 리사이클 부품의 출하수량을 예측하는 예측단계와, 상기 신부품의 출하실적정보로부터 당해 부품과 동일한 리사이클 부품의 가격을 산출하는 부품가격 산출단계와, 상기 신부품의 출하실적정보 및 당해 부품과 동일한 리사이클 부품의 가격에서 당해 폐차, 사고차의 가액을 산정하는 차량가액 산정단계를 포함한다.
Patent KR-20020005691-A (KR)
IPC: F02B23/10
Filed: 2000-04-05
Abstract: 내연기관의 배기관 (22) 내에 배기제어밸브 (24) 를 배치한다.     기관 시동 및 워밍업 운전시에 배기제어밸브 (24) 를 거의 완전히 폐쇄시키고, 주연료의 분사량을 배기제어밸브의 완전 개방시 가장 바람직한 분사량보다 증량시키고, 팽창 행정 중에 부연료를 추가 분사하고, 그럼으로써 기관 시동 및 워밍업 운전시에 대기 중으로 배출되는 미연 HC 를 대폭 저감시킨다.
Patent KR-20020008201-A (KR)
IPC: H04W64/00
Filed: 2000-06-01
Abstract: 본 발명은 공통기준에 대한 주어진 위치에서 수신된 다수의 전송원 신호의 시간, 위상, 주파수, 또는 그 파생물의 오프셋의 리스트나, 거리 또는 그 파생물의 오프셋으로 표현된 그들 동등물이 생성되는 이동 전화 네트워크의 무선 위치결정 시스템에 관한 것이다.   위치가 공지되거나 결정된 하나 이상의 수신기로부터 데이터가 획득된다.   상기 데이터는 서로 또는 각각의 수신기의 기준원에 대한 전송원으로부터 수신된 각 신호의 시간, 위상, 주파수, 또는 그 파생물의 오프셋이다.   상기 획득된 데이터는 공통기준에 대한 오프셋의 리스트를 계산하기 위해 조합된다.
Patent KR-20020010725-A (KR)
IPC: C10G45/64
Filed: 2000-07-25
Abstract: 바인더가 본질적으로 알루미나가 없는 저산도 내화성(refractory) 산화물 바인더 물질을 포함하는 분자체-바인더 압출물에 하기 단계에 의해  VIII 족 금속을 함침하는 방법: 
     a) 분자체-바인더 압출물과 pH 가 8 미만인 상응하는 VIII 족 금속 질산염 수용액을 접촉시킴(여기서 용액중 VIII 족 금속 양이온과 압출물 중 존재하는 흡착부위 수의 몰비가 1 이상임), 
     b) 단계 a)에서 수득되는 분자체-바인더 압출물을 건조시킴.
Patent KR-20030062633-A (KR)
Title: a method for manufacturing a thin film transistor substrate
Inventor: CHO JONG HWAN
IPC: G02F1/136
Filed: 2002-01-18
Abstract: PURPOSE: A method for manufacturing a thin film transistor substrate for a liquid crystal display is provided to minimize the manufacturing cost by forming unevenness patterns on a passivation film through a patterning process using a pressure. CONSTITUTION: A gate wire is formed on an insulating substrate(10), including gate lines(22), gate pads(24), and gate electrodes(26) connected with the gate lines. A gate insulating film(30) is accumulated. A semiconductor layer(40) is formed on the gate insulating film. A data wire is formed on the semiconductor layer, including data lines(62) crossing the gate lines, and source and drain electrodes(65,66). A passivation film is formed. An organic material is coated on the substrate. A frame(300) having protrusions of uneven patterns(320) and contact hole patterns(310) is closely attached to a top surface of the passivation film. A pressure is applied to the frame for forming unevenness patterns and trench on the surface of the passivation film. The frame is removed from the passivation film. A reflective film is formed to be connected with the drain electrodes.
Patent KR-20030064944-A (KR)
IPC: A01K93/00
Filed: 2002-01-29
Abstract: 채비나 실통과가 간이하고, 줄낙하도 원활하며, 어신을 양호하게 포착하는 낚시용 찌 및 그 찌의 중앙관통관 및 그 찌의 제조방법을 제공한다. 
     낚시용 찌(10)의 찌본체(11)에 중앙관통관(13)을 매립하여 중앙관통구멍(15)을 형성하고, 중앙관통구멍(15)을, 입구의 확경부(15a)와 출구의 통상 구멍지름부 (15b)를 미끄럽게 연속된 나팔형상으로 한 것이므로, 채비를 제작하기 쉽고, 중앙관통구멍(15)으로의 실통과가 용이하게 된다. 또한, 낚시줄(12)은 원활하게 낙하하고, 전유동 낚시의 릴조작을 알지 못하는 초심자도, 수중의 상층에서 하층까지의 서식지의 물고기를 포획할 수 있게 된다. 또한, 어신이 있을 때에는, 양호하게 이것을 포착한다.
Patent KR-20030065195-A (KR)
Title: A Earth Leakage Detector and Alarm
Inventor: KIM YEONG MIN
IPC: G01R31/02
Filed: 2002-01-31
Abstract: PURPOSE: An electric leakage alarm is provided, which performs management of electric facilities and fire prevention efficiently by displaying a leakage state of each line by stages. CONSTITUTION: A zero phase current transformer(ZCT)(60) generates a current corresponding to a leakage current. An A/D converter(30) converts the current generated in the ZCT into a digital signal. A sensitivity setting part sets an operation reference value through a sensitivity control slide switch. A central processing unit of a microprocessor judges a state of electric leakage by comparing the operation reference value with a leakage current detected by a leakage current detector. A buzzer displays the judgement result of the central processing unit. And an output part(20) is constituted with a leakage line display part, and includes a leakage level display part(10) to display the real time leakage state to the external per stage.
Patent KR-20030065927-A (KR)
Title: Power steering system for decreasing steering noise in vehicle
Inventor: HONG JEONG PYO
IPC: B62D5/06
Filed: 2002-02-02
Abstract: PURPOSE: A power steering system for noise reduction of a vehicle is provided to prevent vibration, resonance, and noise even in slow steering operation by cutting off self-induced vibration of a spool in a gearbox. CONSTITUTION: A power steering system for noise reduction of a vehicle comprises a spool rotating together while a gearbox(3) covers an input shaft(2') with a torsion bar(T); a control valve housing the spool and forming a circulation path of a cylinder tube and oil; and a compression ring(10) disposed between the spool and the valve. The gearbox forms a path for circulating oil of an oil tank pumped from an oil pump to boost operation force of a steering wheel through torsion of the torsion bar built-in the input shaft connected to the lower part of a steering column. The compression ring presses the spool by oil coming into the valve side through bypass lines(e,f) branching off from hydraulic lines.
Patent KR-20030069340-A (KR)
Title: Vaccum dry plasma process
Inventor: CHO HYANG MI
IPC: H01L21/3065
Filed: 2002-02-20
Abstract: PURPOSE: A vacuum dry plasma process is provided to eliminate static electricity between a substrate and a lower electrode by generating plasma again before the substrate on which a vacuum dry plasma process is performed is unloaded to the outside of a chamber. CONSTITUTION: The substrate is loaded into a process chamber(ST1). A plasma etch process using vacuum dry plasma is performed on the loaded substrate(ST2). An additional plasma process is performed on the resultant structure so that the substrate negatively charged in the plasma etch process is neutralized by using the positive charges in the additionally generated plasma(ST3). The neutralized substrate is unloaded from the process chamber(ST4).
Patent KR-20020027417-A (KR)
Inventor: LEE YOUNG WON
IPC: H04W4/08
Filed: 2002-02-25
Abstract: PURPOSE: A system for supporting a chatting room supplying a typing game is provided to make many users having portable terminals simultaneously receive the same sentence online to transmit the inputted sentence, so as to improve typing skills as having a conversation. CONSTITUTION: A typing game supporting server(300) comprises as follows. A member information DB(310) registers and stores inputted user information. A chatting room information/typing game information DB(320) stores chatting room service information and stores information on many sentences for typing games. A member management module(330) registers users as members, and confirms whether the users are members if the users want to receive a chatting room service. A chatting room supporting module(340) generates a chatting room, and makes the users enjoy chatting in the chatting room. A typing game supporting module(350) simultaneously transmits the sentence information stored in the DB(320) to the online users at the request of a chatting room host through portable terminals, and receives sentence information and time information inputted by the users to calculate typing speeds. The typing game supporting module(350) compares the calculated typing speeds with the sentence information to calculate error rates, and simultaneously transmits the results to the users.
Patent KR-20030072656-A (KR)
Title: Entertainment equipment for game possessof automatic medication apparatus
Inventor: LEE CHANG HEE
IPC: A63F9/00
Filed: 2002-03-06
Abstract: PURPOSE: An amusement machine for a game with an automatic coin insertion device is provided to allow a user to automatically insert as many coins as he or she wants to avoid the hand of the user from getting dirty and insert coins more easily and quickly. CONSTITUTION: The machine comprises: a main body(110) which has a screen section(112) on the rear end of the top surface, a coin housing section(114a) on the rear end of the screen section(112) and a coin return section(116) formed on the front surface; an insertion unit which communicates with the coin housing section(114a) inside the main body(110) for automatically inserting at least one coin; an operating section(130) which is provided with a plurality of operating buttons(130a); and a control section(140) which enables the insertion of coins of a desired number and the operation of a game by controlling the insertion unit according to the operation of the operating section(130).
Patent KR-20030073885-A (KR)
Title: Apparatus for focusing servocontrol in optical recorer
Inventor: KIM SU GYEONG
IPC: G11B7/09
Filed: 2002-03-13
Abstract: PURPOSE: A focussing control device for an optical recorder is provided to precisely control the focussing of the optical recorder by controlling an interval between a focussing lens mounted to a body tube and a recording layer of a disc by an interval control element formed of a shape memory alloy. CONSTITUTION: A focussing control device for an optical recorder includes an interval control element(40) formed between a body tube(20) and a slider(30) with a shape memory alloy, and a control part for applying electric signals to the interval control element. The interval between the body tube and the slider is variable by the deformation of the shape memory alloy in response to the change of temperature.