baber/WOPTO huggingface dataset:
Patent KR-20030046062-A (KR)
Title: Plasma Display Panel and Fabricating Method Thereof
Inventor: LEE SEONG HA
IPC: H01J11/40
Filed: 2001-12-04
Abstract: PURPOSE: A plasma display panel and a method for manufacturing the same are provided to reduce the contaminant adsorbed in the protective film by patterning and forming the protective film only in the discharge area. CONSTITUTION: A plasma display panel comprises electrodes formed on a substrate(11) so as to cause a discharge; a dielectric layer(14) formed on the substrate in such a manner that the dielectric layer covers the electrodes; and a protective layer(15) formed on the dielectric layer only in the discharge area formed by the electrodes. A method for manufacturing a plasma display panel comprises a step of forming electrodes on a substrate; a step of forming a dielectric layer on the substrate and firing the resultant structure; and a step of forming a protective layer on the dielectric layer such that the protective layer covers only the area causing a discharge.
Patent KR-20030047166-A (KR)
Title: Steering angle sensor
Inventor: KIM YEONG MUN
IPC: G01B11/26
Filed: 2001-12-08
Abstract: PURPOSE: A steering angle detecting apparatus is provided to measure a rotating angle of a steering wheel without delaying time by supplying an initial signal with respect to various reference angles through forming a plurality of reference slots on a rotating disc of the steering angle detecting apparatus. CONSTITUTION: A steering angle detecting apparatus includes a steering angle detecting section(100) and an electronic control unit(200), which receives a detecting signal from the steering angle detecting section(100) and calculates a rotating direction and rotating angle of a steering wheel. The steering angle detecting section(100) has a rotating disc(110) formed with a plurality of angle measuring slots(111) and reference measuring slots(112), and a photo-interrupt device(130), which detects a digital signal when light passes through the angle measuring slots(111) and reference measuring slots(112) or light is shielded. The photo-interrupt device(130) has an initial signal generator(131) and an angular signal generator(132).
Patent KR-20030048504-A (KR)
Title: A catalytic tablet supply device for washing machine
Inventor: SONG WON JIN
IPC: D06F39/02
Filed: 2001-12-12
Abstract: PURPOSE: A catalyst supply apparatus for a washing machine is provided to supply the fixed amount of catalyst by regulating the supply amount with controlling rpm of a transfer shaft, and to prevent deterioration of the catalyst by restricting steam from being contacted to the catalyst with closing a discharge hole partially and separating the discharge hole from a washing tub. CONSTITUTION: A catalyst supply device for a washing machine is composed of a chamber(10) forming a recess longitudinally and continuously in the lower part and a hopper(5) outside a discharge hole formed in a side wall(3); a guide member(20) combined with the chamber to move the catalyst downward; a transfer shaft(30) combined between the recess of the chamber and the guide member to press the catalyst unidirectionally; and a deceleration motor(40) decelerating and rotating the transfer shaft. The supply amount of the catalyst is regulated accurately by pressing and discharging the catalyst corresponding to rotation of the transfer shaft, and deterioration of the catalyst is prevented by restricting contact of steam and the catalyst.
Patent KR-20030006900-A (KR)
Title: Timing budget designing method
Inventor: ISHIKAWA YOICHIRO
IPC: G06F17/50
Filed: 2001-12-14
Abstract: PURPOSE: To provide a timing budget designing method for arranging logic blocks or the like while appropriately considering signal delay at an initial stage of an LSI design. CONSTITUTION: In constructing a logic block in a step of a logic design of an LSI, the maximum value of a delay value between the terminals of each block is set on the basis of a designer's estimate, or on the basis of netlist information after preparing the netlist. The terminals can be grouped. Delay values in connections between a plurality of terminals are represented by the largest delay value. A plurality of internal storage elements existing in the logic block are represented by one or a plurality of internal latches, and with respect to delay values between the terminals and the internal latches and between the internal latches and the terminals, the largest delay value is selected among a plurality of delay values to represent the delay values.
Patent KR-20030049610-A (KR)
Title: Method for preventing hardmask loss of semicondctor device
Inventor: KIM JUN DONG
IPC: H01L21/027
Filed: 2001-12-15
Abstract: PURPOSE: A method for preventing the damage of a hard mask of a semiconductor device is provided to be capable of preventing the decrease of hard mask thickness by using the first and second spacer having different step coverage, respectively. CONSTITUTION: After sequentially forming a conductive layer(11) and a hard mask(12) on a substrate(10) having a predetermined lower structure, the resultant structure is patterned by carrying out an etching process. The first spacer(13) having an excellent step coverage, is formed on the entire surface of the resultant structure. The second spacer(14) having a bad step coverage, is then formed on the first spacer. The first and second spacer are selectively removed by using an etching process. Preferably, the first spacer has a step coverage of 80 %, or more, and the second spacer has a step coverage of 30 %, or less.
Patent KR-20030049971-A (KR)
Title: Integrated B2B E-Marketplace and related business transaction methods consisted of international trade, domestic business and international logistics business through Internet
Inventor: YOON YOUNG GEUN
Filed: 2001-12-18
Abstract: PURPOSE: A system for integrated b2b marketplace through Internet is provided to execute an exportation and importation of international transaction and a domestic transaction, and execute a logistics transaction in one place by registering a commodity, service, and information of a company which sells the commodity through the Internet and exchanging corresponding information with a company which purchases the commodity based on an authentication of a credit evaluation institution. CONSTITUTION: A commodity and a service registered by other company(domestic company or foreign company) are searched(703). A desired result is selected(704) and stored in an E-business matching cart of a company(705). If commodities and services registered by the company are displayed(706) and a commodity and service of other company to be stored in the E-business matching cart exist(707), the commodity and service are stored in a DB(708). The company transmits a transaction suggestion using the commodity and service of the company(709,713). All transaction suggestions of the company are recorded in a transaction suggestion list(714). The other company receives details of the transaction suggestion by considering contents with respect to the commodity and service(715). Thus, possibility of transaction achievement is increased(716).
Patent KR-20030053859-A (KR)
Title: A light panel assembly
Inventor: PARK JONG RYEOL
IPC: G02F1/13357
Filed: 2001-12-24
Abstract: PURPOSE: A light panel assembly is provided to prevent a lamp from being damaged by a weight of a light guide plate or a shock, and remove a frame for protecting a lamp in manufacturing a light panel, thereby reducing the costs for manufacturing the frame. CONSTITUTION: A light guide plate(30) has dispersion patterns(31) on a rear surface and a plurality of holes(32) at an outside edge for installing a light panel. A lamp(20) projects light to the light guide plate. The dispersion patterns are formed at a part of the inside of the rear surface. The light guide plate has a groove(10) for containing the lamp outside the dispersion patterns. The diameter of the lamp is smaller than the thickness of the light guide plate.
Patent KR-20030056073-A (KR)
Title: structure of assembling detergent box housing and inlet hose in washing machine
Inventor: RYU CHANG WON
IPC: D06F39/02
Filed: 2001-12-27
Abstract: PURPOSE: Assembling structure for a detergent box housing and a supply hose in a washing machine is provided to install easily by preventing interference with parts and obtaining the space in a top cover with modifying the assembling structure, and to reduce parts and assembling process by integrally forming the detergent box housing with the top cover. CONSTITUTION: A washing machine is composed of a detergent box housing(4) installed in the rear part of a top cover, and a supply hose(5) connected to an inlet pipe(400) of the detergent box housing to supply water to the detergent box housing. The inlet pipe is protruded into the detergent box housing, and the supply hose is inserted to the inlet pipe. The detergent box housing is combined with the supply hose conveniently by obtaining the space in the top cover and preventing interference with parts with modifying the structure. Parts and assembling process are decreased by integrating the detergent box housing with the top cover.
Patent KR-20030057623-A (KR)
Title: CMOS Image sensor and method for fabricating the same
Inventor: LEE WON HO
IPC: H01L27/146
Filed: 2001-12-29
Abstract: PURPOSE: A CMOS image sensor and a method for manufacturing the same are provided to be capable of improving output efficiency of blue component light and absorptivity of a photodiode. CONSTITUTION: A semiconductor substrate(31) is provided with a plurality of photodiodes(PD). A color filter array including a blue, red and green color filter(38,39,40) is formed on the semiconductor substrate(31) opposite to the photodiodes(PD). A plurality of microlens(42a,42b,42c) are opposite to the green, blue and red color filter(40,38,39), respectively. At this time, the microlens(42b) opposite to the blue color filter(38) has a relatively large radius of curvature compared to the microlens(42a,42c).
Patent KR-20010074821-A (KR)
IPC: A61M37/00
Filed: 1999-08-13
Abstract: An apparatus for delivering a substance to a surface, such as the skin of a human being, animal or other organic matter has a needle. Also provided is means for supplying the substance to the tip of the needle in use, and driving means for driving the needle, in use, at a velocity in the range of 1 meter per second to 100 meters per second in order to penetrate the surface and deliver the substance thereto.
Patent KR-20010072904-A (KR)
Title: 직물의 수축을 감소시키는 세탁용 조성물
IPC: D06M23/02
Filed: 1999-08-24
Abstract: 본 발명은 에틸렌 글리콜, 프로판디올, 부탄디올, 펜탄디올 및 헥산디올의 모든 이성체 및 이들의 혼합물로 이루어진 그룹으로부터 선택된 직물 수축 감소용 조성물(a) 및 액상 세탁/리프레쉬용 조성물(b)을 포함하는 직물 처리용 조성물에 관한 것이다.  직물 수축 감소용 조성물과 액상 세탁/리프레쉬용 조성물은 약 1:2 내지 약 1:5의 중량비로 기재에 방출 가능하게 흡수되어 있다.  직물 수축 감소용 조성물은 의류 건조기 등의 장치에서 수행되는 가정용 비침지 세탁 및 리프레쉬(refreshment) 방법으로 처리된 직물의 수축을 감소시키는 것을 돕는다.  또한, 이러한 조성물을 사용한 비침지 세탁/리프레쉬 방법, 본 발명의 방법을 수행하는 데 필요한 품목을 포함한 제품 및 본 발명의 조성물을 방출 가능하게 흡수한 시트가 제공된다.
Patent KR-20010089300-A (KR)
IPC: H01S3/091
Filed: 1999-09-17
Abstract: 여기 광이 제공된 장파장 대역 및 단파장 대역을 포함하는 이득 스펙트럼을 가진 다단 희토류 도프 증폭기(10)의 증폭 스테이지는 상기 초기 여기 광에 대해 역방향으로 이동하는 소정의 ASE를 생성한다. 상기 역이동 ASE 광은 증폭기(10)의 다른 증폭 스테이지(4)로 보내지고, 실질적으로 상기 장파장 대역을 펌핑하기 위한 여기 광을 제공한다. 본 발명에 따른 증폭기 구조 및 그 광신호 증폭 방법은 광신호 증폭에서 피할수 없는 ASE 광을 효과적으로 이용한다. 본 발명은 종래의 희토류 도프 광학 증폭기에서 지금까지는 효과적으로 활용되지 않은 파장 대역에 신호 증폭을 제공한다.
Patent KR-20010083917-A (KR)
IPC: A61B5/145
Filed: 1999-10-22
Abstract: 동맥 바늘은 통로로부터 투석기를 포함하는 체외 회로로 혈액을 제거하고, 정맥 바늘은 혈액을 통로 영역으로 복귀시킨다.  혈액은 투석기 박막의 일 측을 따라 흐르고, 투석 유체는 나머지 측을 따라 흐른다.  투석기로부터 배출된 투석물 내의 요소 농도(Cd 정규 및 Cd 역전 )는 정규 위치와 역전 위치에 있는 바늘로 측정된다.  동맥 바늘 전의 통로 유량은 수학식 19에 따라 계산되고, 여기서 K eff 는 투석기의 유효 제거율이고, Qa는 통로 유량이다.
Patent KR-20010090872-A (KR)
IPC: G03F1/72
Filed: 1999-12-01
Abstract: 본 발명은 리소그래피 마스크의 앰플리튜드 및/또는 상 결함을 수리하는 방법에 관한 것이다. 본 발명의 방법은 마스크 결함에 근접한 마스크 블랭크 표면상의 일부의 흡수재 패턴을 변형 또는 변경하여 결함으로 인한 광학 필드의 지역적 장애(앰플리튜드 또는 상)를 상쇄시키는 것을 포함한다.
Patent KR-20010105308-A (KR)
IPC: B65D47/34
Filed: 1999-12-10
Abstract: 본 발명은, 일 공간에서 연장하는 도관에 의하여 상호 연결된 펌프와 토출 노즐 사이에 위치하는 사전압축 장치에 관한 것이다.    이 장치는, 폐쇄위치와 릴리즈위치 사이에서 이동이 가능하고 또한 스프링 수단에 의하여 상기 폐쇄위치로 탄성가압되는 사전압축 밸브를 포함한다.    본 발명에 따르면, 상기 공간은 상기 펌프에 연결되고, 상기 도관은 상기 토출 노즐에 연결된다.    상기 스프링 수단은, 예컨대 상기 사전압축 밸브와 상기 스프링 수단을 탄성을 지닌 가요성의 다이어프램으로 구성함으로써, 바람직하게는 돔 형상의 다이어프램으로 구성함으로써, 상기 사전압축 밸브에 합체될 수도 있다.    상기 공간은 환형이고, 또한 상기 도관의 단부를 에워싼다.    또한, 상기 공간은 원통형 슬리브에 의해 경계지어진다.    또한, 본 발명은, 펌프와, 이 펌프의 흡입측에 연결되어 유체를 공급하는 수단과, 상기 펌프의 압축측에 연결된 토출 노즐과, 상기 펌프와 상기 토출 노즐 사이에 설치된 전술한 사전압축 장치를 포함하는 분무장치에 관한 것이다.    또한, 본 발명은, 분무장치와 용기로 구성된 조립체에 관한 것이다.
Patent KR-20020006661-A (KR)
Filed: 2000-11-02
Abstract: 본 시스템은 부동산 물건 등의 주거공간의 배치 정보를 포함하는 주거공간 표시 데이터, 주거공간의 내장 정보를 포함하는 내장 표시 데이터 및 주거공간 내에 배치되는 가구의 형상 정보를 포함하는 가구 표시 데이터 등을 격납하는 데이터 베이스를 구비한다.  구입 예정자 단말에 대해서는, 상기 각 데이터에 기초하여 주거공간의 내부를 가상 공간으로서 표시할 수 있으며, 상기 가상 공간에서의 시점 위치를 조작하기 위한 조작 메뉴를 구비한 브라우저를 제공함과 동시에, 인터넷 등을 통해 상기 각 데이터를 제공한다.
Patent KR-20010101552-A (KR)
IPC: A61P9/12
Filed: 2000-01-07
Abstract: 본 발명은 4'-[2-n-프로필-4-메틸-6-(1-메틸벤즈이미다졸-2-일)벤즈이미다졸-1-일메틸]비페닐-2-카복실산(INN: 텔미사르탄)의 다형체, 특히 화학식(Ⅰ)의 텔미사르탄의 다형체성 형태 B에 관한 것이며, 시차주사열량측정법에 의한 열분석 동안 183±2℃에서 흡열 피크를 나타냄을 특징으로 한다.  또한, 본 발명은 다형체의 혼합물, 형태 B를 함유하는 텔미사르탄의 제조방법 및 약제학적 조성물의 제조를 위한 이들의 용도에 관한 것이다.
Patent KR-20010101708-A (KR)
Title: 패키지를 권취하기 위한 왕복 장치 및 캠 종동자
IPC: B65H57/28
Filed: 2000-01-24
Abstract: 캠 종동자(150)는 캠 외부 표면(112)의 곡률과 일치하는 반경방향 내부 아치형 베어링 표면을 포함한다.    캠의 표면과 상기 베어링 표면의 결합은, 캠 회전축에 수직인 축에 대해서 및/또는 캠 회전축에 평행한 축에 대해서, 캠으로부터 멀어지는 반경방향 운동을 포함해서, 캠 종동자(150)의 소망하지 않는 운동을 저지하게 된다.    상기 아치형의 결합은 또한 캠 종동자(150)의 효과적인 윤활을 촉진한다.    캠 표면으로 환상의 캠 종동자 공동(140)을 한정하는 아치형 베어링 표면이 캠 하우징에 형성되어 있으며, 이 베어링 표면은 캠 표면에 대해 캠 종동자(150)의 위치를 유지시키면서 캠 종동자(150)의 반경방향 외부 아치형 베어링 표면과 결합하게 된다.
Patent KR-20010101954-A (KR)
Title: 비례 압력 제어 밸브
IPC: G05D16/10
Filed: 2000-01-29
Abstract: 압력제어기능과 압력유지기능을 갖는 방향 제어 밸브로 구성된 비례 압력 제어 밸브를 공개한다. 상기 밸브는 기본적으로 유출입구(4, 5, 6)를 갖는 밸브 케이싱(2), 앵커바(15)와 자석 코어(17), 자석 앵커(16) 및 자석 코일(18)로 되어 있는 비례 자석(3)으로 구성되어 있다. 비례 자석(3)은 비례 자석의 작동영역에서 거의 일정한 자력을 가지고 있다. 본 발명에 있어서, 자석 앵커(16)의 한 유지위치에서 자석 앵커(16)와 자석 코어(17) 사이의 최소 축방향 거리(21)는 상기 두가지 부품(16, 17) 사이의 자력이 비례 자석(3)의 작동영역내의 자력보다 유지위치에서 더 크고 자석 앵커(16)가 상기 자력에 의하여 유지위치에서 고정될 수 있는 방법으로 측정된다.
Patent KR-20020009626-A (KR)
IPC: E02F9/20
Filed: 2001-03-30
Abstract: 건설기계의 연료보급시스템은 건설기계로부터 송신되는 정보를 기지국에 설치된 수신장치에서 수신하는 시스템으로, 건설기계는 연료의 잔량을 검출하는 검출장치와, 잔량이 소정치 미만인 경우에 그 내용을 기지국에 통지하도록 송신을 행하는 송신장치를 가진다.
Patent KR-20020064653-A (KR)
IPC: C04B35/26
Filed: 2001-08-03
Abstract: 주성분으로서 소정량의 산화철, 산화구리, 산화아연, 및 산화니켈을 함유하는 NiCuZn계의 페라이트재료이고, 부성분으로서, 소정량의 산화비스무트, 산화규소, 산화마그네슘, 산화코발트를 함유하도록 구성하고 있으므로, 매우 온도특성이 양호(온도변화에 대한 투자율의 변화율이 작다)하고, 품질계수Q가 높고, 고강도의 NiCuZn계 페라이트재료를 제공할 수가 있다.
Patent KR-20020019482-A (KR)
IPC: H04N5/76
Filed: 2000-06-29
Abstract: 동화상 데이터에 의해 표현되며, 1 이상의 시간축 상의 부분 동화상(140, 142, 144, 146, 160)으로 이루어진 동화상을 검색하기 위한 검색 정보를, 기록 매체에 기록하는 동화상 검색 정보 기록 장치(40)는 동화상 데이터에 기초하여, 1 이상의 부분 동화상의 각각에 대응하여 검색 정보를 생성하는 검색 정보 생성부(102, 103, 104, 105)와, 검색 정보를 상기 검색 정보와 동화상 데이터와의 대응 정보와 함께 기록 매체에 기록하는 기록부(106)를 포함한다.  검색 정보 생성부(102, 103, 104, 105)는 1 이상의 시간축 상의 부분 동화상(140, 142, 144, 146, 160)의 각각을 공간적으로 분할하는 것에 의해 얻어지는 1 이상의 공간적 부분 동화상의 요약 정보(188)를 생성하기 위한 제1 요약 정보 생성 수단(103)을 포함한다.
Patent KR-20030062753-A (KR)
Title: System for exercising golf putting
Inventor: IN GWON
IPC: A63B69/36
Filed: 2002-01-18
Abstract: PURPOSE: Provided is a system for golf putting exercise which measures impact generated when a golfer hit a ball and information at a hitting point using a rod cell attached at the hitting surface of the club head. CONSTITUTION: The system includes a rod cell sensor part(40), a signal state module(SCM)(80) and a radio communication module(90). The rod cell sensor part includes a strain gauge to sense a ball hitting point and a hitting strength and convert the sensed information into a digital signal. The signal state module amplifies the electric signal about the ball hitting point and hitting strength transmitted from the rod cell sensor part through a connector, filtered the amplified signal and convert the signal into a digital signal for output. The display device(200) includes control part to control display of the ball hitting point and hitting strength.
Patent KR-20030063733-A (KR)
IPC: H01L23/48
Filed: 2002-01-23
Abstract: 본 발명은 핀 그리드 어레이 패키지를 제조하기 위해 배선 기판상에 핀을 설치하기 위한 핀부착방법이 개시되는 것이다.  핀을 수용하기 위한 적어도 하나의 접촉패드를 포함하는 전기 회로를 갖는 표면을 구비한 유기 배선 보드가 제공되는 것이다.  솔더(solder) 마스크 층은 보드 표면상에 배치되고 패드가 노출되도록 패턴화된다.  솔더 마스크층은 패드의 어떠한 영역도 덮지 않으며, 패드 주위에 솔더 마스크 층의 외주에 웰을 형성한다.  실질적으로, 핀과 솔더 물질은 웰에서 상기 패드 위에 배치된다.  상기 핀은 솔더 물질을 녹이기에 충분한 온도에 의해 패드에 솔더된다.
Patent KR-20020027398-A (KR)
Inventor: KIM YONG HO
IPC: H04W76/02
Filed: 2002-02-01
Abstract: PURPOSE: A personal protection network system is provided to display emergency call signals on a display device, when the emergency call signals are transmitted from many user wireless network systems through a network to an integrated management main network server, and to transmit information to the nearest intermediate network system by a database system, so that the intermediate network system can receive the information of the integrated main network server as well as wireless network signals of users to perform services. CONSTITUTION: An integrated management main server having a display device and an input device has a wireless data transmitting/receiving system. The display device displays digital information transceived through a network. An intermediate network system has a system capable of transceiving data of the integrated management main server and capable of receiving data with many user wireless network systems. The user wireless network systems deliver digital signals to the integrated main server and the intermediate network system. The integrated management main server includes a database system for receiving member registration from many users and managing member information as well as wireless network information.
Patent KR-20030065895-A (KR)
Title: Glaze composition for clay block and method for manufacturing the clay block having the glaze composition and the clay block manufactured by the method
Inventor: LEE JONG WON
IPC: C04B41/50
Filed: 2002-02-01
Abstract: PURPOSE: Provided is a manufacturing method of clay blocks coated with a glaze in thick thickness(1-8mm) enabling pattern-forming unlike conventional glaze thickness. Accordingly, the resultant clay blocks have diverse designs, beautiful surface and good surface strength. CONSTITUTION: The glaze composition for clay blocks contains 10-90wt.% of clay material with a size less than 150mesh, and 10-90wt.% of stone material with a size less than 30mesh as main materials, at least one compound selected from 0.4-1wt.% of methyl cellulose and 1-10wt.% of trisodium phosphate(anhydrous), and optionally a melting agent such as red lead and/or frit, so as to make moisture content of 35-40wt.%, wherein the clay material is one or more of red clay, white clay and kaolin, the stone material is one or more of feldspar, silica, agalmatolite and alumina. The manufacturing method of clay blocks comprises the steps of: mixing raw materials of clay blocks; extruding the mixture to an effective shape; coating the surface of blocks with the prepared glaze to be a 1-8mm thickness enabling it to form patterns; cutting the patterned blocks to a proper size; drying; sintering at 1180-1250deg.C and 1100-1800deg.C in case that the clay blocks are coated with the glaze composed of clay material, stone material and methyl cellulose, and the above composition, respectively.
Patent KR-20020065381-A (KR)
Inventor: HAGIWARA TAKESHI
IPC: G02F1/1343
Filed: 2002-02-05
Abstract: PURPOSE: A liquid crystal device, a method of manufacturing the liquid crystal device, and an electronic apparatus are provided to prevent occurrence of deviation in picture quality of a liquid crystal panel. CONSTITUTION: A liquid crystal device(1) includes a liquid crystal(23) arranged between a first substrate(2) and a second substrate(3). The liquid crystal device has a reflecting conductive film(18) formed on the first substrate, a light transmitting metal oxide film(19) laminated on the reflective conductive film so that the edges(34) thereof are in contact with an underlying film(35) or the first substrate, and an illumination device(25) for irradiating the liquid crystal(23) with light from outside the first substrate. Since the edges are present around the reflective conductive film, the area of a light-reflecting region contributing to reflection is not changed even when the position of the reflective conductive film is deviated in the transverse direction.
Patent KR-20030067282-A (KR)
Title: Compress the Digital File by using DB
Inventor: YUN YONG HWAN
IPC: G06F17/00
Filed: 2002-02-07
Abstract: PURPOSE: A system for compressing and storing a large capacity digital file using a database is provided to minimize an upload time, to maximize the storing space offered to a client, to promote the consumption of a digital file by blocking up the storage of the illegally made or copied digital file. CONSTITUTION: The client passing the user certification(101) shows a list of the digital file held by the client through an index database(105). When the client uploads the digital file, the client stores the digital in the index database(105) and a server(106) according to the existence after comparing the existence of a same file(104). When the client downloads the digital file, the client stores the digital in a PC(108) by comparing the existence of the same file(111).
Patent KR-20020026306-A (KR)
Inventor: KIM JAE GUK
IPC: H04B7/26
Filed: 2002-02-09
Abstract: PURPOSE: A device for sensing a distance is provided to visually display the distance between an RF tag for transmitting wireless signals and a signal receiving/alarm generator for receiving the wireless signals, and to generate an alarm if the RF tag is out of a preset distance, so as to recognize a location of a moving object in real time. CONSTITUTION: An RF tag(10) comprises as follows. A frequency generator(110) generates a predetermined signal wave. A carrier generator(120) generates a carrier. A modulator(130) modulates mixed signals of the signal wave and the carrier. An amplifier(140) amplifies the RF modulated signals to a predetermined level. A transmitter(150) transmits the RF signals through an antenna(160). An ID code storage(170) periodically delivers signals. A signal receiving/alarm generator(30) comprises as follows. A receiver(310) receives the RF signals. A demodulator(320) removes the carrier from the RF signals to detect the signal wave. An amplifier(330) amplifies the signal wave. A signal level sensor(340) detects an electric value of the signal wave, and outputs a control signal included in the signal wave and a signal corresponding to a detected level. A reference level generator(350) supplies a reference point of a signal level. A signal level comparator(360) compares strengths of inputted signal levels. A CPU(380) displays a distance, and detects that the distance exceeds an alarm level. A display device(370) displays the distance. An alarm unit(390) generates an alarm.
Patent KR-20030068943-A (KR)
Title: Composition for control of Dust Mite
Inventor: KANG SIN HO
IPC: A01N65/24
Filed: 2002-02-19
Abstract: PURPOSE: Provided is a composition for controlling dust mite which characteristically contains at least one selected from the group consisting of a cinnamon extract, cinnamic aldehyde, tea tree oil or a mixture thereof as an active ingredient. The composition is safe to the human body and has excellent insecticidal effect. CONSTITUTION: A composition for controlling dust mite is characterized by containing at least one selected from the group consisting of a cinnamon extract, cinnamic aldehyde, tea tree oil or a mixture thereof as an active ingredient in the amount of 0.1-30.0 wt.%, and the balance of ethanol or an aqueous solution of ethanol as a solvent.