baber/WOPTO huggingface dataset:
Patent KR-20030050099-A (KR)
Title: Slit valve for semiconductor fabrication apparatus
Inventor: KANG HO SEONG
IPC: H01L21/00
Filed: 2001-12-18
Abstract: PURPOSE: A slit valve of semiconductor fabricating equipment is provided to minimize an influence of friction by forming a plurality of bearings on a surface where a support contacts a shaft, and to prevent a pressure unit from being bent or disconnected during a process by making the pressure unit composed of a block of a material having a high degree of strength and a spring for applying pressure to the block. CONSTITUTION: A door plate(450) is prepared. The shaft(420) vertically moves the door plate. A mounting plate(452) couples the door plate to the shaft. The support(410) supports the shaft, fixed to the bottom of the inside of a loadlock chamber(200). The pressure unit(440) applies pressure to the door plate, located between the mounting plate and the shaft. The support supporting the shaft has a bearing(412) on the surface where the support contacts the shaft so that the shaft moves vertically.
Patent KR-20030052809-A (KR)
Title: Method For Manufacturing Semiconductor Devices
Inventor: LEE SEON HO
IPC: H01L21/31
Filed: 2001-12-21
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of preventing etchant and cleaning chemical from penetrating into an anti-reflective coating by forming a protecting layer on the anti-reflective coating. CONSTITUTION: After forming an interlayer dielectric(101) on a semiconductor substrate(10), a contact hole(103) is formed by selectively etching the interlayer dielectric. After filling the contact hole with a barrier metal layer(104) and a tungsten plug(105), an aluminium layer(120) is formed on the resultant structure. An anti-reflective coating(130) made of a Ti layer(131) and a TiN layer(133) is deposited on the aluminium layer. A protecting layer(140) made of a TiON layer is then formed on the anti-reflective coating by an RTP(Rapid Thermal Processing) method at the temperature of 100-350°C under N2 atmosphere.
Patent KR-20030053254-A (KR)
Title: A fabrication method of carbonaceous anodic materials
Inventor: PARK YANG DEOK
IPC: H01M4/04
Filed: 2001-12-22
Abstract: PURPOSE: A method for preparing a carbon-based electrode material is provided, to prepare a spherical carbon-based electrode material with the uniform distribution of particle size and a high charge density with a high yield and a low cost. CONSTITUTION: The method comprises the steps of mixing graphite powder, and 60 wt% or less of solid thermosetting resin powder or solid pitch powder, and rotating the mixture in a surface polishing device to prepare a spherical particle; separating the spherical particle from the mixture; and calcining the separated spherical particle. Preferably the rotation in the surface polishing device is carried out with a velocity of 10,000 rpm; and the calcination is carried out at a temperature range of 800-1,200 deg.C.
Patent KR-20030055451-A (KR)
Title: tool for checking refrigerant of an air conditioner
Inventor: KIM GI WON
IPC: F25B45/00
Filed: 2001-12-26
Abstract: PURPOSE: A tool for checking refrigerant of an air conditioner is provided to minimize loss of refrigerant due to checking whether refrigerant is charged. CONSTITUTION: A tool is joined to a nipple part formed to charge refrigerant in a refrigerant line of an air conditioner, and comprises an examination body(20) covering the nipple part, and has a first space part(S1), a second space part(S2) and a third space part(S3) formed therein; a fixing unit(22) fixing the examination body to the nipple part; an observation unit(24) allowing an inspector to observe charged state of refrigerant; and an operating rod(26) joined to the examination body to operate a valve of the nipple part. The observation unit includes a cylinder(36) joined to be connected with the first space part of the examination body; a piston(38) built in the cylinder to be moved by pressure of refrigerant; a third spring(40) joined to a side of the piston opposite to the other side of the piston on which pressure of refrigerant acts to give dynamic stability to the piston; and an observation window(42) formed on one side of the cylinder to allow the inspector to observe movement of the piston.
Patent KR-20030054737-A (KR)
Title: JAVA platform structure for provide dynamic environment in mobile phone
Inventor: LEE JAE SEOK
IPC: H04B1/00
Filed: 2001-12-26
Abstract: PURPOSE: A JAVA platform structure supplying a dynamic environment in a mobile communication system is provided to download a package of mobile communication terminal functions divided for various purposes through an OTA(Over-The-Air-activation) service in a user's mobile communication terminal, thereby developing a user-oriented mobile communication terminal. CONSTITUTION: A shared VM(Virtual Machine) communicates with other tasks of a mobile communication terminal in a KVM(Kilobyte Virtual Machine) among JAVA micro edition platforms within a downloading and change-impossible region(20) of a JAVA micro platform, and performs a scheduling process for a thread of a JAVA application program in connection with a task managing part such as task switching. A message unit communicates the other tasks of the mobile communication terminal with the JAVA application program. Application programs include managers having functions of deleting, storing, and managing the JAVA application program, and are located in the downloading and change-impossible region(20).
Patent KR-20030055818-A (KR)
Title: Transfer belt cleaning apparatus for electro-photographic imaging forming device
Inventor: PARK EUN SANG
IPC: G03G21/00
Filed: 2001-12-27
Abstract: PURPOSE: A transfer belt cleaning device of an electrophotographic image forming system is provided to prevent a developer left on a transfer belt from contaminating the back side of the belt, a transfer back-up roller and a driving roller. CONSTITUTION: A transfer belt cleaning device(270) of an electrophotographic image forming system includes a front cleaning blade(271) and a back cleaning blade(272). The front cleaning blade closely adhere to the front side of the transfer belt. The back cleaning blade is placed opposite to the front cleaning blade, having the transfer belt between the front and back cleaning blades. The front cleaning blade and the back cleaning blade are integrated with each other to surround the transfer belt. The front cleaning blade surrounds at least one side of the transfer belt.
Patent KR-20030058574-A (KR)
Title: Method for forming a gate oxide of a semiconductor device
Inventor: LEE JEONG GUK
IPC: H01L21/336
Filed: 2001-12-31
Abstract: PURPOSE: A method for fabricating a gate oxide of a semiconductor device is provided to make the gate oxide have a different thickness in each region by selectively controlling the quantity and time interval of supplied oxygen so that the gate oxide is selectively grown by a difference of a gate channel in each region. CONSTITUTION: A heat treatment process is performed while oxygen is supplied after an etch process for forming a gate is performed and a spacer is formed, so that the gate oxide(12) in a region having a relatively small channel width is selectively oxidized to increase its thickness. The heat treatment process is performed at 700 deg.C. The relatively small channel region is a cell region.
Patent KR-20010099588-A (KR)
IPC: H04N9/77
Filed: 2000-05-09
Abstract: 본 발명은 화상표시장치와 화상표시방법에 관한 것으로서, 콘트라스트와 광원과의 조정을 상관성을 갖게 하여 실행하는 것에 의해 시각적인 콘트라스트 감도를 개선하는 화상표시장치와 방법을 제공하는 것으로서, 특징검출부(11)는 입력영상신호의 MAX, MIN, APL을 검출하고, 제어데이터 생성부(12)는 MAX와 MIN의 차를 다이나믹 레인지폭까지 증폭하는 Gain과 Gain에 의해 증폭하는 입력영상신호가 DC레벨 조정부(13B)의 출력 다이나믹 레인지 내에 들어가는 DC레벨 시프트량을 부여하는 Offset을 구하고, 신호진폭 조정부(13A)는 APL을 기준으로 하여 Gain에 따라 입력영상신호를 증폭하고, DC레벨 조정부(13B)는 증폭된 입력영상신호를 Offset의 값에 따라 레벨 시프트하며, 광원제어부(16)는 Offset에 기초하여 화면 상의 시각적 휘도레벨이 입력영상신호의 휘도레벨과 동등하게 되도록 광원(18)을 제어하는 것을 특징으로 한다.
Patent KR-20010074709-A (KR)
Title: 골프 클럽 헤드용 섬유 강화 금속 타격 삽입체
IPC: A63B53/04
Filed: 1999-07-13
Abstract: 섬유 강화 금속 매트릭스(2)를 포함하는 골프 클럽 헤드 삽입체(1)가 개시된다.  또한 본체 부재(11), 섬유 강화 금속 매트릭스 삽입체(2)의 타격면(5), 본체 부재에 섬유 강화 금속 매트릭스 복합 삽입체를 결합시키기 위한 수단을 포함하는 골프 클럽이 개시된다.
Patent KR-20010075142-A (KR)
Title: 니켈-카드뮴 배터리의 용량을 측정하는 장치 및 방법
IPC: H02J7/00
Filed: 1999-09-15
Abstract: 본 발명은 니켈 카드뮴(NiCd)(22)의 용량을 측정하는 시간을 절약할 수 있는 측정방법을 제공한다. 테스트하에서, 계속적으로 배터리 터미날 전압을 감지하면서, 완전 충전된 NiCd 배터리(22)에는 양의 기울기를 갖는 전류 공급 램프(42)를 적용된 다음 음의 기울기를 갖는 전류 공급 램프(46)를 적용한다. 그 전압을 플롯하고 측정된 터미날 전압의 최대 기울기는 I gas 를 결정한다. I gas 의 값을 테스트하에서, 배터리(22)의 용량을 구하도록 온도 보정 곡선과 비교한다.
Patent KR-20010075344-A (KR)
IPC: H04B1/713
Filed: 1999-09-21
Abstract: 저전력 무선 통신 네트워크에서 사용하기 위한 향상된 페이징 절차가 개시된다. 일련의 메시지들을 주기적으로 송신함으로써 장치를 페이징하는 송수신기는, 소정의 일련 주파수들에서의 각 주파수에서 메시지를 포함하는 일련의 메시지들을 송신하는 송신기, 적어도 소정의 주파수에서 수신하는 수신기, 및 상기 송신기를 인에이블시킨 다음 복수의 연속하는 주기들의 각각에서 상기 수신기를 인에이블시키고 상기 일련의 메시지들에서의 각 메시지를 제공하는 제어기를 포함한다. 상기 소정 일련의 주파수들은 정렬된 열이다. 하나의 주기에서 송신되는 메시지들의 열에서 제1 메시지는 언제 상기 수신기가 인에이블되는지를 직접 혹은 간접적으로 정의하며 상기 열에서 제2 메시지인 마크 코드는 상기 소정의 주파수를 직접적으로 정의한다.
Patent KR-20010090809-A (KR)
Title: Biopreparation of textiles at high tempe ratures
IPC: D06L4/40
Filed: 1999-10-27
Abstract: The present invention provides methods for higha-temperature biopreparation of cellulosic fibers by contacting the fibers with pectin-degrading enzymes, preferably thermostable, alkaline, divalent cation-independent pectate lyases, under conditions compatible with scouring and bleaching technologies.
Patent KR-20010086015-A (KR)
IPC: B01D71/02
Filed: 1999-11-10
Abstract: 유체 투과성 멤브레인(138,162)과 에에 근접한 선 메쉬 멤브레인(118,128)을 가지는 유체 분리장치(110)에서, 상기 선 메쉬 멤브레인(118,128)은 상기 유체 투과성 멤브레인(138,162)을 지지하고, 금속 확산층으로 코팅되어 있다.  이러한 금속 차단층은 질화물, 산화물, 붕화물, 규화물, 탄화물 그리고 알루미늄 화합물 중의 적어도 하나를 포함하는 박막이다.  몇몇의 유체 투과성 장치(110)는 수소를 함유하는 가스 혼합물로부터 수소를 분리하기 위해 모듈(185) 내에서 사용될 수 있다.
Patent KR-20010101230-A (KR)
IPC: D01F1/10
Filed: 1999-12-15
Abstract: 본 발명은 중합성 입체 장애된 아민과 무기 재료의 혼합물인 안정화 조성물을 함유하는 안정화된 스판덱스를 제공한다.
Patent KR-20010092765-A (KR)
IPC: G02B6/00
Filed: 1999-12-14
Abstract: 스풀(18)에 광섬유(22)를 권취하기 위한 시스템은 상기 스풀(18)을 수용하여 그 종축(36)을 중심으로 회전시키기 위한 스핀들 조립체(16)를 포함한다. 상기 스풀(18)에 광섬유를 연속적으로 제공하는 광섬유 공급원(14)이 스핀들 조립체(16)에 대해 위치됨으로써, 스핀들 조립체(16)에 의한 스풀(18)의 회전에 의해 섬유(22)가 스풀의 종축(36)을 중심으로 스풀(18)에 권취된다. 장력 감지장치(24)는 상기 섬유의 장력에 관한 피드백을 감지하고 제공한다. 횡이동 수단(20)은 전방 스풀 플랜지(34a)와 후방 스풀 플랜지(34b) 사이에서 섬유가 스풀(18)에 전후로 권취되도록 하며, 횡이동 수단(20)은 상기 전방 스풀 플랜지(34a)에서의 전방 전환 위치와 후방 스풀 플랜지(34b)에서의 후방 전환 위치를 포함한다. 제어기(26)는 상기 섬유 장력 피드백을 수신하고, 그 피드백을 이용하여 전방 및 후방 전환위치에 대해 어떠한 조절이 이루어져야 하는지를 결정한다.
Patent KR-20010101861-A (KR)
IPC: A61K48/00
Filed: 2000-01-27
Abstract: E. coli 증식에 필요한 단백질을 암호화하는 핵산 서열이 개시되었다.  핵산은 단백질 또는 그것의 부분의 발현, 발현된 단백질과 특이적으로 결합하는 항체의 생산 및, 발현된 단백질로부터 합리적인 약제 발견 프로그램에서 이용될 후보 분자를 동정하기 위한 라이브러리의 생성을 위해 이용될 수 있다.  또한, 핵산은 E. coli 외 다른 미생물에 존재하는 증식에 필요한 유전자의 상동체의 선별 및, 발현 벡터와 분비 벡터(secretion vector)의 설계를 위해 이용될 수 있다.  본 발명의 핵산은 항미생물제 뿐만 아니라 다른 미생물의 증식 관련 유전자를 선별하기 위한 다양한 분석 시스템에서 이용될 수 있다.
Patent KR-20010113704-A (KR)
IPC: G01B11/275
Filed: 2000-12-07
Abstract: 기계 관찰 측정 시스템의 과실을 자동적으로 식별하는 방법 및 장치는 계측(metrology) 및 추적(tracking) 시스템들을 기반으로 하는 개선된 자체 진단 능력을 제공한다. 상기 방법 및 장치는 추적 동작의 수행을 확인하고(validate), 그리고 전자적 잡음, 환경적 오염들에의해 유발될 수 있는 악화(deterioration)를 검출한다. 상기 시스템에의해 관찰되는 상기 목표의 수학적 모델이 생성되고 저장된다. 목표는 상기 필드(field)에서 이미지되고 상기 목표의 기준들은 실별된다. 상기 이미지된 목표의 검출된 기준들 중심 위치들은 상기 수학적 모델의 기준 중심 위치들과 비교된다. 기준들이 모호하거나 오염되어 있다면 그의 위치적 특성들(예를 들어 중심, 밝기, 경계 부드러움, 영역 또는 형상)은 실제 또는 상기 특성들의 이상적인 값들과는 상이하다. 검출된 기준들을 나타내는 값들은 그 차이(offset)가 기 설정된 기준을 초과하거나, 그 특성들이 이상적이지 않는 경우 버려진다. 만일 검출된 기준들의 잔류하는 수가 기 설정된 임계값 이하인 경우, 주의 메세지가 표시되거나 오류가 생성된다. 그로인해 기 설정된 한계를 넘어선 성능의 감소라는 오류를 검출하는 경우, 상기 오류를 알리고 보정 동작의 제안이 표시된다.
Patent KR-20010108510-A (KR)
Title: Method of manufacturing alkylated diphenylamine compositions and products thereof
IPC: C10N70/00
Filed: 2000-03-24
Abstract: A method of manufacturing an alkylated diphenylamine composition to generate an alkylated diphenylamine composition with relatively low amounts of unsubstituted diphenylamine, based on the total weight of substituted and unsubstituted diphenylamine in the alkylated diphenylamine composition. The method includes reaction of unsubstituted diphenylamine with at least two olefins. In at least some instances, the alkylated diphenylamine composition may be used, for example, as an antioxidant in a lubricating fluid or polymer composition.
Patent KR-20020026172-A (KR)
Title: Oil soluble metal-containing compounds, compositions and methods
IPC: C08F290/06
Filed: 2000-05-31
Abstract: A polymerizable, ethylenically unsaturated compound of formula   
wherein : 
M is one or more metal atoms of valence n, wherein M is optionally more than one metal atom; 
n is an integer of about 1-6 ; 
R 3  is a residue of a hydroxy-containing ethylenically unsaturated compound, 
Y is H or R 3 .
Patent KR-20020015352-A (KR)
IPC: A23B7/00
Filed: 2000-06-16
Abstract: 본 발명은 외연에 의해 규정된 개구부를 갖는 반밀폐 용기를 형성하도록 조립된 가요성 시트 재료의 적어도 하나의 시트와 반밀폐 용기를 밀폐 용기로 전환하기 위해 개구부를 밀봉하는 밀폐 수단(30)을 포함하는 식품 저장 및 준비 백(10)을 제공한다.  개구부는 개구부 평면을 규정하며 시트 재료는 동일한 재료 조성으로 구성되는 제 1 영역(50)과 제 2 영역(40)을 구비한다.  시트 재료가 적어도 하나의 축을 따라서 인가된 신장을 받을 때 제 1 영역은 실질적으로 분자 수준의 변형을 겪고 제 2 영역은 초기에 실질적으로 기하학적 변형을 겪는다.  제 1 영역과 제 2 영역은 서로 가시적으로 구별되며, 제 2 영역은 다수의 융기된 리브 형상 요소(74)를 구비하고 제 1 영역은 리브 형상 요소가 실질적으로 없다.
Patent KR-20020019937-A (KR)
IPC: G01F1/84
Filed: 2000-06-12
Abstract: 장치(103)는 케이싱(103)과 베니어(150)를 갖는 유동관9101)을 통해 흐르는 물질의 특성을 측정하기 위해 장치(5)의 유동관(101)을 둘러쌓는다. 케이싱(103)은 유입 단부(101L)로부터 유출 단부(101R)까지 유동관(101)을 둘러싸며 유동관(101)의 구조적인 하중을 견딘다. 베니어(150)는 케이싱(103)을 둘러싸며 케이싱(103)에 대한 위생 표면을 제공한다.
Patent KR-20030070385-A (KR)
Title: Method for fabricating capacitor in semiconductor devices
Inventor: YANG YEONG HO
IPC: H01L27/108
Filed: 2002-02-25
Abstract: PURPOSE: A method for fabricating a capacitor of a semiconductor device is provided to prevent a bridge phenomenon by arbitrarily decreasing the size of silicon grains in the upper portion of a capacitor lower electrode and increasing the inside of the silicon grains. CONSTITUTION: The capacitor lower electrode(108) is formed on a semiconductor substrate(100) having a transistor. A buffer material is deposited on the entire surface of the lower electrode. High density negative ion impurities are doped to the entire surface of the lower electrode having the buffer material by using low energy. The buffer material is eliminated. Hemispherical grains(HSG)(112) are formed. An oxide layer is deposited on the entire surface of the HSG. The oxide layer is removed to expose the lower electrode. Negative ion impurities are doped to the upper surface of the semiconductor substrate from which the oxide layer is removed. A capacitor upper electrode is formed on the doped semiconductor substrate.
Patent KR-20030070995-A (KR)
Title: Method for bonding resin material of slipping pad to steel plate
Inventor: LEE JONG CHEOL
IPC: B32B15/08
Filed: 2002-02-27
Abstract: PURPOSE: A process for attaching a sliding pad resin material to iron sheet is provided by inserting un-vulcanized rubber having improved adhesion ability and heat-resistant, chemical-resistant abilities between the sliding pad and the iron sheet and vulcanizing it at hot temperature and pressure. CONSTITUTION: The process comprises A stage including steps of conducting sand blaster of surface of the iron sheet, cutting the iron sheet and etching the iron sheet with chemical; B stage including steps of cutting the sliding pad resin material into constant size of pieces and etching the pieces with chemical; and C stage of inserting un-vulcanized rubber between both of the sliding pads of A and B stages then adhering the iron sheet and the sliding pad materials. The chemical in A stage is preferably Chemlock 105, 220 or 607 while the chemical in B stage is sodium based metallic salts.
Patent KR-20030071252-A (KR)
Title: Large artifice manufacturing method based on 3d scanning system
Inventor: KIM HO YONG
IPC: B44C3/02
Filed: 2002-02-28
Abstract: PURPOSE: A method for manufacturing a large-scale molded object by adopting a three dimensional scanning technique is provided to reduce time and cost required for the manufacture of the object by eliminating a separate model forming step, and to improve the manufacturing accuracy thereof. CONSTITUTION: The method for manufacturing a large-scale molded object by adopting a three dimensional scanning technique comprises the steps of: scanning a three dimensional certain shape; extracting a contour line by editing the scanned data in a specific program; molding the contour line with wires(10) by calculating distances of constant inclination differences of the contour line; and welding the wires by overlapping them.
Patent KR-20030072736-A (KR)
Inventor: KIM JONG YUN
IPC: G08G1/052
Filed: 2002-03-06
Abstract: PURPOSE: A method and an apparatus for generating overspeed information are provided to control effectively the overspeed of a vehicle by utilizing a terminal of the vehicle to generate the overspeed information and transmit the overspeed information to a central control center. CONSTITUTION: The GPS(Global Positioning System) information including the speed information is received from a GPS terminal(501). The predetermined speed limit is extracted from the GPS information(503). The speed information is compared with the predetermined speed limit in order to decide the overspeed(505). The overspeed information is generated by using the speed information and a vehicle identifier if the overspeed is decided(507). The generated overspeed information is transmitted to a central control center(509).
Patent KR-20030073094-A (KR)
Title: Holding apparatus of paper for label printer
Inventor: KIM JANG HWAN
IPC: B41J15/04
Filed: 2002-03-08
Abstract: PURPOSE: A paper holding device used in a label printer is provided to rapidly fix the paper holding device in a state that the paper holding device grips a paper by improving a structure of the paper holding device. CONSTITUTION: A paper holding device of a label printer includes left and right holders(10) for supporting a paper by coupling with a perforation hole formed at a center of the paper. Left and right conveying links(30,40) are connected to lower portions of the left and right holders(10). The left and right conveying links(30,40) are coupled to each other by means of a rotating link(90). A bottom panel(60) is fixed to a bottom of a body in order to allow the rotating link(90) to be rotatably coupled to the bottom panel(60). One end of an elastic member is connected to the left and right conveying links and the other end of the elastic member is coupled to the bottom panel(60).
Patent KR-20030073496-A (KR)
Title: system to use a charged contents and how to use therefore in on-line
Inventor: KIM DONG OUK
IPC: G06F17/00
Filed: 2002-03-12
Abstract: PURPOSE: A system for using charged contents by on-line and a method for using the same are provided to supply special and superior contents and secure a creation environment of a contents producer. CONSTITUTION: A network manager(102) who manages a brand site network(100) manages members of each brand site. The network manager(102) executes an individual management with respect to the brand sites. A bank/card company(104) executes an account transfer or a card payment in accordance with a request of contents users. A payment agency(106) pays money to the bank/card company(104) through payment information of the brand site network(100). A contents producer(108) supplies high-quality contents to a brand site which sells contents, manages registered members, and checks a payment according to used contents. A contents user(110) selects and connects to a desired brand site included in the brand site network(100). The contents user(110) pays a using charge with respect to only selected brand site.
Patent KR-20020030055-A (KR)
Inventor: CHOO BONG JIN
IPC: G06Q40/02
Filed: 2002-03-16
Abstract: PURPOSE: A business model using a portable savings box is provided to process deposition without a bankbook or a card by embedding a control unit and an ID(Identifier) output unit for managing user information. CONSTITUTION: A savings box is connected to a computer. A locking device of the savings box and inquiry of a password and deposition particulars are controlled by the computer. The savings box interlocks with a coin collecting device installed in a bank to deposit the money in the savings box in an account or exchanges the coins in the savings box with bills. A web site converts the money into the cyber money while transaction particulars and user information are noticed to the computer system of the bank. A user purchases articles by connecting to a web site through the Internet via the computer and participates in various events such as a joint purchase(19), lottery drawing(27), auction(20), a mileage(29), point accumulation(30), a premium(27), and a merchandise coupon(28).
Patent KR-20030075293-A (KR)
Title: Seperatable MP3 player
Inventor: SHIN KWONE
IPC: G11B20/04
Filed: 2002-03-18
Abstract: PURPOSE: A separable MP3 player is provided to employ an MP3 player portable part by separating a sound source, a sound source player, and a preamplifier from a power amplifier and a power unit, to employ the power amplifier and the power unit as an MP3 player fixing part. CONSTITUTION: An MP3 player fixing part(10) consists of a power converter and a power amplifier. The power is coupled from an external power unit to a power converter, and the power converter converts the power. The power amplifier amplifies an audio signal. An MP3 player portable part(30) drives an MP3 interpreter, a compressor, a battery(40), a semiconductor memory element(41), and a voice output device(35), and implements a preamplifier for controlling high and low of a sound in compact size.
Patent KR-20030075892-A (KR)
Title: Alarming method using television and television set adopting the method
Inventor: KIM GI SEOK
IPC: H04N5/44
Filed: 2002-03-21
Abstract: PURPOSE: An alarm method using a television screen and a television set therefor are provided to wake up a user by naturally displaying a TV screen with a proper brightness and prevent any accident due to the lack of light. CONSTITUTION: An alarm method using a television screen includes the steps of selecting a morning call function from an OSD menu displayed on a TV screen(S202), displaying the morning call menu(S204), inputting a time for turning on the TV or a morning call time by a user(S206), determining whether a current time of the TV is the TV turning-on time or the morning call time(S208), starting audio output and screen output if yes(S210,212).
Patent KR-20030079424-A (KR)
Title: Method Of Fabricating A Capacitor Of Semiconductor Device
Inventor: KO CHANG HYEON
IPC: H01L21/02
Filed: 2002-04-04
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to be capable of minimizing leakage current. CONSTITUTION: After forming a lower electrode(180) at the upper portion of a semiconductor substrate, an aluminum oxide layer(200) is formed on the lower electrode. Then, a capacitor dielectric layer(250) is completed by forming a titanium oxide layer(210) on the aluminum oxide layer. An upper electrode is formed across the lower electrode at the upper portion of the titanium oxide layer. At this time, the titanium oxide layer has a thickness of 2-50 angstrom and the upper electrode is formed at the temperature of 150-630 °C. Preferably, the more the thickness of the titanium oxide layer increases, the more reduces the temperature of the upper electrode forming process. Preferably, the aluminum oxide layer has a thickness of at least 35 angstrom.