baber/WOPTO huggingface dataset:
Patent KR-20000026519-A (KR)
Title: Process for producing polypropylene film for package
Inventor: KIM MUN SEON
IPC: C08J5/18
Filed: 1998-10-21
Abstract: PURPOSE: Polypropylene film is provided which is excellent low temperature adhesion and high speed productivity useful as package film. CONSTITUTION: The process comprises the steps of: melt extrusion, forming and elongation of a resin composition having 1% to 10% by weight of α-olefin copolymer added to polypropylene resin with 1(g/10min) to 20(g/10min) of melt index and 140°C to 180°C of melting temperature; preparing an elongated polypropylene film; drying 0.001g/m¬2 to 0.1g/m¬2 of high molecular aqueous solution comprising 0.01% to 1% by weight of colloid alumina of 10nm to 50nm of particle diameter, 0.001% to 0.1% by weight of inorganic particle of 0.01 to 0.1micrometer, 0.1% to 3% by weight of water soluble polyester resin with sulfuric acid salt and 0.1% to 3% by weight of acrylic resin; and then being added aqueous solution to a side of the film. Thereby, the polyethylene film is improved to low temperature adhesion and high speed productivity so that the film is useful as the package film.
Patent KR-20000027473-A (KR)
Title: Mobile communication terminal and mp3 player in one
Inventor: JEONG TAE HWAN
IPC: H04B1/40
Filed: 1998-10-28
Abstract: PURPOSE: A mobile communication terminal is provided to use an MP3 player when tje mobile communication is not used as a telephone. CONSTITUTION: In a mobile communication terminal and an MP3 player in one decodes an MP-3 file, the MP-3 player shares with the portable telephone an output element for processing and outputting an audio signal of the portable telephone, and a power element for supplying a power to the portable telephone. And the MP-3 player not using a flash card has an MP-3 file transmitted by radio and plays the file in real time.
Patent KR-20000027709-A (KR)
Title: Method for controlling crystal defect of silicon wafer after arsenic ion injection
Inventor: KIM JUN EOP
IPC: H01L21/337
Filed: 1998-10-29
Abstract: PURPOSE: A method for controlling a crystal defect of a silicon wafer after arsenic ion injection is provided to form a shallow junction of a semiconductor device. CONSTITUTION: A method for controlling a crystal defect of a silicon wafer(11) after arsenic ion injection, comprises the steps of: growing a screen oxidation layer(14) having a boundary in the layer by a plurality of rapid thermal oxidation processes in order to minimize damage to the surface of the silicon wafer(11) caused by ion injections before arsenic ion injections; and minimizing crystal defect of the silicon wafer by injecting the arsenic ions, eliminating the screen oxidation layer and evaporating a low temperature oxidation layer(18) on the silicon wafer by atmospheric pressure chemical vapor deposition.
Patent KR-19990045625-A (KR)
IPC: C12Q1/70
Filed: 1998-11-27
Abstract: Restriction of PCR sensitivity through suboptimal nucleic acid extraction, amplification and detection conditions, for detection of high viral concentrations in blood plasma or serum, is new.
Patent KR-19990062662-A (KR)
Title: 3 상태 다이내믹 랜덤 액세스 메모리
IPC: G11C11/56
Filed: 1998-11-30
Abstract: 데이타를 3진 형태로 저장하는 메모리 셀을 구비한 다이나믹 랜덤 액세스 메모리 장치가 개시된다.  대기 모드에서는 좌측 센스 노드(416a)가 내부 게이트(426a 및 426b)의 동작에 의해서 우측 센스 노드(416b)와 단락된다.  단락된 우측 및 좌측 센스 노드(416a 및 416b)에는 3진 데이타 신호가 공급되어 3진 데이타 신호를 발생시킨다.  그 다음, 좌측 센스 노드(416a)는 우측 센스 노드(416b)로부터 분리된다.  좌측 센스 노드(416a)는 좌측 센스 노드(416a)의 전위와 제1 기준 전압(Vref1) 간의 차이에 따라서 센스 증폭기(424a)에 의해서 고전압 또는 저전압으로 구동된다.  우측 센스 노드(416b)는 우측 센스 노드(416ba)의 전위와 제2 기준 전압(Vref2) 간의 차이에 따라서 센스 증폭기(424b)에 의해서 고전압 또는 저전압으로 구동된다.   제1 및 제2 기준 전압(Vref1 및 Vref2)은 더미 메모리 셀에 의해 발생된다.
Patent KR-20000039100-A (KR)
Title: System for detecting wheel track of vehicle
Inventor: LEE WON HEE
IPC: G01C21/00
Filed: 1998-12-11
Abstract: PURPOSE: A system for detecting a wheel track of a vehicle is provided to reliably detect the wheel track by storing an acceleration information during a normal drive and an acceleration information just before and after the accident. CONSTITUTION: A system for detecting a wheel track of a vehicle includes a high frequency filter(20) for filtering a high frequency band by amplifying an analog signal input from an acceleration detector and a low frequency filter(30) for filtering a low frequency band and correcting "0" point displacement. An amplifier(40) removes noise contained in the filtered low frequency and amplifies the same. A first A/D converter(50) converts the amplified analog signal into a digital signal and stores the same in a memory address. A second A/D converter(60) converts the analog signal from the high frequency filter into a digital signal and stores the same in a memory address.
Patent KR-19990063074-A (KR)
Title: 광 디스크 장치
IPC: G11B7/00
Filed: 1998-12-15
Abstract: 제어기는 스핀들 모터에 회전 기동 지시를 인가함과 동시에 서보 제어부에 대해 포커스 서보 제어를 개시시킨다.  광 디스크의 회전에 수반하여 광 빔이 광 디스크 상의 정보 트랙을 횡단할 때, 진폭 표시 신호 생성부는 광 픽업으로부터 출력되는 정보 재생 신호의 진폭 변화를 검출한다.  디스크 종류 판별부는 정보 재생 신호의 피크값 및 보텀(bottom)값 혹은 진폭에 의해 정보 트랙의 트랙 피치가 다른 광 디스크를 그 회전 기동중에 판별한다.  이것으로 인해, 정보의 기록 밀도, 특히 트랙 피치가 다른 광 디스크의 종류 판별을 광 디스크 상에 기록된 정보의 재생을 대기할 필요없이 조기에 행한다.  그 결과, 광 디스크 장치의 기동 시간을 단축하고, 혹은 그 기동 시간의 증대를 방지한다.
Patent KR-20000040045-A (KR)
Title: Apparatus for generating clock signals for security camera with line lock capability
Inventor: PARK SEUNG HO
IPC: H04N7/18
Filed: 1998-12-17
Abstract: PURPOSE: An apparatus for generating clock signals for security camera with line lock function is provided to decrease implementation cost and simplify design by synchronizing security cameras directly. CONSTITUTION: An apparatus for generating clock signals for security camera with line lock function includes a pulse generator(1), a phase comparator(2), a multiplexor(3), a first and second low pass filters(4,6), and a first and second voltage controlled oscillators(7,8). The pulse generator(1) generates rectangular pulses with a predetermined duty ratio. The phase comparator(2) outputs first and second frequency signals according to the difference of the output signal of the pulse generator(1) and a vertical frequency signal of the camera. The multiplexor(3) operates according to the status of an inner mode/line lock mode selection signal. The first and second low pass filters(4,6) are connected to output nodes of the multiplexor(3). The first and second voltage controlled oscillators(7,8) operates according to the first and second frequency signals, respectively.
Patent KR-19990078518-A (KR)
Title: 내마모성 및 연신율이 우수한 합금 공구강, 그 제조방법 및 이를 이용하여 제조한 고속도 공구
Filed: 1998-12-26
Abstract: 본 발명은 내마모성 및 연신율이 우수한 합금 공구강, 그 제조방법 및 이를 이용하여 제조한 고속도 공구에 관한 것이다. 
     고도의 경도와 절삭력이 요구되는 고속도 공구강으로는 물론,  내마모성을 갖는 일반 합금강의 용도로 폭넓게 사용될 수 있는 본 발명의 합금 공구강은  철, 선택금속 및 감람석을 용융시킴에 의하여 제조됨으로써, 조직내에 감람석의 희유성분 및 알칼리토금속 성분들이 반응하여 존재해 있게 된다.  따라서, 이러한 반응물로 인하여, 본 발명의 합금 공구강은 이를 주조하는 경우 조직이 미세화되어 압연 및 단조와 동일한 물성을 갖게 된다.
Patent KR-20000043091-A (KR)
Title: Apparatus for detecting concentration of developer of wet printer
Inventor: PARK GEUN YONG
IPC: G03G15/10
Filed: 1998-12-28
Abstract: PURPOSE: An apparatus for detecting concentration of developer of a wet printer is provided to reduce the spacing between the members comprising an isle for developer. CONSTITUTION: An apparatus for detecting concentration of developer of a wet printer includes a container(100), a first and second rotation member(110,120), a developer supply(130), an outlet(140), and a concentration detector(155). The first and second rotation members(110,120) are rotatable and implemented so as to be spaced from each other with a predetermined distance. The developer supply(130) supplies developer including a toner particle and liquid carrier between the first and second rotation members. The outlet(140) drains the developer supplied into the container. The outlet is implemented on one side of the container. The concentration detector(155) illuminates light on predetermined thickness of the photo developer and detects the thickness by accepting the illuminated light.
Patent KR-20000046601-A (KR)
Title: Optical modulation method using parallel topology of optical modulators and parallel matching
Inventor: HAN SANG GUK
IPC: G02F1/00
Filed: 1998-12-31
Abstract: PURPOSE: An optical modulation method using parallel topology of optical modulators and parallel matching is provided to improve the linearity of the optical modulation. CONSTITUTION: An optical modulation method using parallel topology of optical modulators and parallel matching according to the present invention includes a first optical modulator(301) and at least one second optical modulators(302). The first optical modulator(301) optically modulates an electrical signal. The plurality of second optical modulators(302) are coupled to the first optical modulator in parallel topology and optically modulate the electrical signal so as to perform compensation for the non-linearity of the first optical modulator.
Patent KR-19990036423-A (KR)
Title: 살진균제로서 사용된 알콕시아크릴산 티올 에스테르
IPC: C07C59/68
Filed: 1996-08-05
Abstract: 본 발명은 신규한 알콕시아크릴릭 티올 에스테르, 이들을 제조하기 위한 복수의 방법 및 살진균제로서의 이들의 용도, 및 신규한 중간체 및 이들을 제조하는 복수의 방법에 관한 것이다.
Patent KR-19990044033-A (KR)
Title: 패키징
IPC: H04R3/04
Filed: 1996-09-02
Abstract: 본 발명의 패키징(111)은 보드가 공진이 되도록 라디에이터를 진동시키기 위하여 라디에이터상에 전체적이고 독점적으로 설치된 트랜스듀서를 구비하는 분산 모드 음향 라디에이터인 것을 특징으로 하는 보드 소자를 포함한다.
Patent KR-19990045756-A (KR)
IPC: C07C251/48
Filed: 1996-09-17
Abstract: This invention relates to methods and compositions for the treatment of cardiovascular disease, hypertriglyceridemia, low levels of lipoprotein lipase, low levels of HDL cholesterol and for increasing adipocyte differentiation using an RXR agonist in combination with a PPAR gamma  agonist such as a thiazolidinedione compound. <IMAGE>
Patent KR-19990045768-A (KR)
IPC: F01N3/022
Filed: 1996-10-09
Abstract: A process is described for producing a conductive sintered body based on silicon carbide, in whicha) silicon carbide particles, optionally pretreated with a surface modifier, are dispersed in an aqueous and/or organic medium and positive or negative surface charges are generated on the silicon carbide particles by adjustment of the pH of the dispersion obtained;b) carbon black and boron carbide are mixed in as sintering aids, where at least the carbon black particles have a surface charge opposite to the surface charge of the silicon carbide particles and the boron carbide can also be added, completely or in part, at a later point in time (stage c'));c) the slip thus obtained is shaped directly to form a green body orc') a sinterable powder is isolated from the slip obtained and is shaped to form a green body, where the above boron carbide can also be added to this sinterable powder; andd) the green body obtained is subjected to pressureless sintering to form a sintered body in essentially three successive steps, namely (i) preheating to 1200-1900° C. in a nitrogen containing atmosphere (ii), sintering at 1900-2200° C. in a noble gas atmospher and (iii) post-heating at 2150-1850° C. and subsequent cooling to ambient temperature in an atomosphere containing nitrogen and/or carbon monoxide.
Patent KR-19990071825-A (KR)
Title: 제올라이트 에스에스제트-44
IPC: C01B37/00
Filed: 1996-11-19
Abstract: 본 발명은 N,N-디에틸-시스-2,6-디메틸 피페리디늄 양이온 주형제를 사용하여 결정형 분자체, 특히 대공 제올라이트를 제조하는 방법에 의해 제조된 신규한 결정형 제올라이트 SSZ-44에 관한 것이다.
Patent KR-19990081956-A (KR)
Title: 스택 기반 컴퓨터를 위한 명령 폴딩 방법 및 장치
IPC: G06F9/34
Filed: 1997-01-23
Abstract: 본 발명은 스택 기기를 위한 명령 디코더에 관한 것으로, 명령 디코더(135,1118)는 스택 오퍼랜드의 탑에서 동작하는 제 2 JAVA 가상 컴퓨터 명령으로의 단순한 프리커서로서 스택(예를 들어 423,155,812)의 탑으로 오퍼랜드를 푸쉬하는 JAVA 가상 컴퓨터 명령을 폴딩하는 것을 허용하고, 그러한 명령 디코더는 폴딩가능한 명령 시퀀스를 식별하고, 하나의 상등한 폴딩된 연산을 실행 유닛에 제공하여, 폴딩된 명령 시퀀스의 다중 명령에 대응하는 다중 연산의 실행에 요구되는 프로세싱 사이클을 감소시키며, 본 명세서에서 설명된 명령 디코더 실시예는 2, 3, 4, 또는 그 이상의 명령 폴딩을 제공하고, 예를 들어 본 명세서에서 설명된 하나의 명령 디코더 실시예에서, 2 로드 명령 및 저장 명령은 명령 시퀀스내에서 그 사이에 나타나는 명령에 대응하는 연산의 실행으로 폴딩될 수 있는 것을 특징으로 한다.
Patent KR-19990082291-A (KR)
Title: 무선 전송 시스템
IPC: H04W84/14
Filed: 1996-11-07
Abstract: 무전 전송 시스템에서 기존의 무전 연결이 중단되거나 또는 교란됨이 없이 융통성 있는 전송 용량 배분을 실현하기 위해, 중앙국 및 관련 가입국에서 전송 채널을 변경할 때, 이용 가능한 무전 채널의 대역폭이 최대로 활용되는 동시에 무전 채널에서의 요구되는 교란 저항성이 달성되도록 하나 또는 그 이상의 전송 파라미터를 조절하는 제어 장치(SE)가 배치된다. 이를 위해 중앙국 및 가입국에 있는 모뎀에는 L개의 송신 채널 및 K개의 수신 채널(ENC1 내지 ENCL, IF1 내지 IFL, DEM1 내지 DEMK, DF1 내지 DFK, DEC1 내지 DECK)이 설치되고, 그들 중에서 송신 방향으로 최대 L-1개 또한 수신 방향으로 최대 K-1개가 활성화된다. 반송파의 수 및/또는 각 반송파의 전송 파라미터의 변경시, 조절은 적어도 하나의 비 활성화 송신 또는 수신 채널에서 새 전송 파라미터로 행해지고 새 전송 파라미터의 획득 완결 후 그 송신 또는 수신 채널로 전환된다.
Patent KR-19990082598-A (KR)
Title: 신규 살충제 중간물
IPC: C07C319/20
Filed: 1997-02-04
Abstract: 본 발명은 화학식 II(식에서 R, R 1 및 Ar은 본 명세서에서의 정의와 같다)의 화합물을 히드록실아민 또는 그 염과 반응시켜 화학식 I(식에서 R, R 1 및 Ar은 본 명세서에서의 정의와 같다)의 화합물을 제조하는 방법에 관한 것이다.
Patent KR-19990087445-A (KR)
Title: 살충제 중간체의 신규한 제조 방법
IPC: C07C253/00
Filed: 1997-03-03
Abstract: 본 발명은  살충성 활성 화합물의 합성에 있어서 중간체로서 유용한  화학식 I 의 화합물을 제조하는 방법에 관한 것이다. 
     [화학식 I]
Patent KR-19990087465-A (KR)
IPC: C12M1/34
Filed: 1997-03-12
Abstract: PCT No. PCT/GB97/00669 Sec. 371 Date Sep. 11, 1998 Sec. 102(e) Date Sep. 11, 1998 PCT Filed Mar. 12, 1997 PCT Pub. No. WO97/33973 PCT Pub. Date Sep. 18, 1997A process of culturing a microorganism in a culture medium in which process the addition of feed medium is controlled by using the production of a by-product as a measure of the culture conditions, characterized in that the by-product is an electrically charged metabolite produced by the microorganism, and in that the production of the metabolite is monitored by measuring the conductance of the culture medium. The metabolite may be acetate and the microorganism may be yeast which is genetically engineered to produce a desired polypeptide.
Patent KR-20000005050-A (KR)
Title: Release film without silicon and pressure-sensitive adhesive tape thereof
Inventor: ADAMCOR MICHAEL A
IPC: C09J7/40
Filed: 1997-03-03
Abstract: PURPOSE: A release film without a silicon with a low forced release characteristic is provided to be manufactured by a linear typed ethylene polymer and copolymer. CONSTITUTION: A polymer(LLDPE) of a linear typed low density ethylene group has a density of 0.865 ¯ 0.900 g/cc and includes a linear typed ethylene polymer whether to include or not to include more than one copolymer with a narrow molecular weight distribution. Herein, the copolymer includes 1 ¯ 10 mol% of alpha-olefin. The LLDPE desirable to be used is a polymer being polymerized with a metallocene catalysis. The film is manufactured by: using a film processing device and using a dry typed mechanical mixer in a room temperature; mixing the polymer in a melt mixing process; storing in a different axis screw extruder; heating for a melting step; extruding to a strand; and cutting into a uniform pellet.
Patent KR-20000005184-A (KR)
Title: Honeycomb type catalysis for synthesizing vinyl acetate
Inventor: NICHOLAU ION
IPC: B01J21/08
Filed: 1997-03-26
Abstract: PURPOSE: A catalysis is provided to easily manufacture an unsaturated ester such as a reaction of an ethylene, an oxygen, and an acetic acid in a vapor state for manufacturing a vinyl acetate. CONSTITUTION: An improved catalysis is covered by more than one layer of silica and includes a honeycomb typed carrier containing a palladium being supported on a silica layer cover and a catalysis of a gold. The carrier is extended along the whole length of the carrier for being formed into a drum shape, a block shape, or a cylinder shape containing a pipe typed cell, a square typed cell, or a hexagon typed cell as a honeycomb type. Herein, the honeycomb shaped carrier material is a metal or a ceramic material such as an aluminium, a titan, a cobalt, and a compound of a steel and contains an aluminosilicate such as a mullite, a magnesium aluminosilicate such as a cordierite, and a magnesium aluminosilicate-aluminosilicate such as a cordierite-mullite.
Patent KR-20000064878-A (KR)
Title: Pck형 c4 회로
IPC: C12N15/09
Filed: 1998-02-10
Abstract: C4 광합성회로에 기여하는 복수의 효소를 C3식물에 도입함으로써 C4회로를 부여하는 C3식물의 형질전환법을 제공한다.  PEPC를 코드하는 유전자와 트랜짓펩티드를 코드하는 유전자가 연결된 PCK를 코드하는 유전자를 C3식물에 도입함으로써 상기 과제를 해결하였다.
Patent KR-20000064986-A (KR)
Title: 기계적인응력하에서해섬되는종이등의물질로부터플라스틱등의점탄성물질을분리시키는방법및그장치
IPC: B02C13/284
Filed: 1997-04-17
Abstract: 본 발명은 플라스틱 및 고무등의 점탄성 물질을, 높은 기계적인 응력하에서 파쇄 및/또는 해섬은 특히, 종이 등의 물질로부터 분리시키는 방법과, 이 방법을 수행하는 장치에 관한 것이다.  상기 방법은 분리될 물질의 혼합물이 반경 방향과 축선 방향, 그리고 접선 방향의 높은 가속력을 받게 되고, 파쇄된 섬유성 물질의 대량 유동과 본질적으로 파쇄되지 않은 플라스틱 물질의 대량 유동이 따로따로 인출되는 특징을 갖는다.  상기 방법을 수행하는 장치는 원통형 또는 바람직하기로 다각 형상이며, 해섬된 물질이 통과하도록 재킷에 구멍을 구비한 스크린 바스켓과, 이 스크린 바스켓의 내부에 동축으로 배치된 블레이드가 바람직하기로 확실히 결합 부착된 회전 가능한 구동 샤프트를 구비한다.
Patent KR-20000051140-A (KR)
Inventor: KIM JI HYEONG
IPC: H04N1/40
Filed: 1999-01-19
Abstract: PURPOSE: An adaptive error diffusing method based on a black pixel displacement is provided to reduce the worm artifacts as well as the start-up artifacts effectively. CONSTITUTION: An adaptive error diffusing method based on a black pixel displacement according to the present invention includes following steps. At the first step(s10), a pixel under consideration is allocated in a laster scanning order. At the second step(s20), the gray level error value of the pixels around the pixel under consideration is added to calculate an amended pixel under consideration. At the third step(s30), whether the size of the pixel under consideration is included in a predetermined artifact generation interval is determined in comparison of the gray level error value. At the forth step(s51), a normal error diffusion process is performed when the size of the pixel under consideration is not included in the interval. At the fifth step(s42), an error diffusion process on the pixel under consideration using a first black pixel displacement is performed using a first black pixel displacement.
Patent KR-20000052224-A (KR)
Inventor: KIM JONG YOON
IPC: H04B7/216
Filed: 1999-01-30
Abstract: PURPOSE: A device and a method of digital signal processing in communication system are provided to combine several operations and process. CONSTITUTION: Device and method of digital signal processing in communication system comprise the parts of: the MUX part(41-51) selecting the signal from the input signals, outputting the signal; the several registers to save and feedback the output signal; the multiplication part(71,72) more than two at least multiplying the signal from register; the first adapter(100) accepting the output signal from multiplication part or other input signal through the above feedback route; the second adapter(200) accepting the output signal from the first adapter or other input signal through the above feedback route; the variable saturator(75) controlling the indicating digit number of data from the output signal from the second adapter; trancator changing the output signal from the above trancator; symbol-rate register bank(30) saving the data by symbol-unit, providing the data to the designated MUX.
Patent KR-20000055307-A (KR)
Inventor: OH JONG HWAN
IPC: E01D22/00
Filed: 1999-02-05
Abstract: PURPOSE: A mobile stand for checking and repairing a bridge is provided to thoroughly check out and repair the entire of a bridge. CONSTITUTION: Left and right vertical working stands(2) are installed to move along a guide rail fixed on the left and right bottom of an upper plate of a bridge. A first horizontal working stand(3) is installed in the lower end of the vertical working stands to be rotatable. A second horizontal working stand(4) is inserted to the first horizontal working stand to appear and disappear. A third horizontal working stand(5) is inserted to the second horizontal working stand to appear and disappear. The frond ends of the third horizontal workings stands facing each other are connected with each other. Thus, a checking and repairing stand(1) is installed to cross over the entire bridge. Thereby, workers come and go on the horizontal workings stands and check out and repair the lower part of the bridge wherein the horizontal working stands are placed.
Patent KR-20000055609-A (KR)
Inventor: HA JAE HUN
IPC: A47L15/42
Filed: 1999-02-09
Abstract: PURPOSE: A structure preventing back current of wash water in a dish washer is provided to prevent the occurrence of odor from a long disuse, to reduce the number of parts and the material cost and to accomplish improved operation efficiency by decreasing the number of work processes. CONSTITUTION: A check valve(105) is joined at a drain pipe(103)of sump(102) for preventing the residual in a bottom site of sump(102) by back current of wash water during the drain stroke of dish washer. A guide protuberance(104) is formed at the drain pipe(103) of sump(102) for making and breaking of the check valve(105) in direction of a drain pump(106).
Patent KR-20000056121-A (KR)
Inventor: LEE JONG GUK
IPC: H04B5/04
Filed: 1999-02-12
Abstract: PURPOSE: A method for supplying advertising contents in a recorded voice by using a wireless call network, is provided to reduce a predetermined amount of charge for a wireless call network of a wireless call subscriber, or to assign additional benefits, when the wireless call subscriber hears the recorded advertising contents for a predetermined time. CONSTITUTION: A method for supplying advertising contents in a recorded voice by using a wireless call network, comprises the steps of: applying for advertising contents hearing of wireless call subscribers; transmitting call numbers of the applicant and an advertiser, a peculiar number and a recording time, to a Korean alphabet server; processing the transmitted data; hearing advertising contents by the applicant, a wireless call subscriber; and transmitting the hearing result of the advertising contents.
Patent KR-20000065557-A (KR)
Inventor: KIM JAE KI
IPC: F16K25/00
Filed: 1999-04-07
Abstract: PURPOSE: A diaphragm type gas meter valve and a valve seat are provided to reduce a noise and to extend a life span as well as to precisely indicate integrated gas flux. CONSTITUTION: A valve(10) and a valve seat(20) are contacted with each other. Frictional faces of the valve and the valve seat create magnetic layers(100,200) having the same polarity. While a frictional movement, a frictional coefficient is offset by the magnetic layers forming a fine interval. In this state, the valve is rotated on the valve seat and two frictional faces are angularly rotated between the fine intervals, so abrasion is maximally arrested by a very small frictional coefficient.
Patent KR-20000065942-A (KR)
Title: Deflection yoke core of cathode-ray tube
Inventor: LIM JONG HO
IPC: H01J29/76
Filed: 1999-04-12
Abstract: PURPOSE: A deflection yoke core for a CRT is provided to enable accurate machining of dimensions and ensure electromagnetic property by forming the core with a plurality of materials. CONSTITUTION: A deflection yoke includes a pair of horizontal/perpendicular deflection coils, a core for concentrating magnetic field formed by the deflection coils and a holder for mechanically fixing the components. The core has an opening(102), middle section(103) and neck section(101), in which at least the middle section is not circularly shaped. The core is divided into first and second cores. The first core is composed of ferrite and defines the circular neck section(101). The second core is composed of plastic or rubber and defines the opening(102) or the middle section(103). The first and second cores are preassembled before assembled to the deflection yoke.
Patent KR-19990083519-A (KR)
Title: 실리콘도포직물
IPC: D06M101/32
Filed: 1999-04-27
Abstract: 본 발명은 둘 이상의 규소-결합된 반응성 그룹, 바람직하게는 알케닐로 말단-차단된 실록산 주쇄를 갖는 오가노폴리실록산 중합체; 3개 이상의 규소-결합된 반응성 그룹, 바람직하게는 SiH를 갖는 가교결합 유기규소 물질; 촉매; 제1 보강 충전제, 바람직하게는 실리카 또는 실리콘 수지; 및 실질적으로 적층인 제2 충전제, 바람직하게는 활석, 피로필레이트, 버미클라이트, 스멕타이트 또는 운모를 제1 충전제의 모든 부에 대해 2중량부 이상 포함하는, 탄성중합체-형성 실리콘계 조성물로 도포된 직물에 관한 것이다.  도포 직물은 기타 이점들 중에서 낮은 마찰값 및 한계 산소 지수를 가질 수 있다.  직물은 특히 팽창식 안전 보장 장치에 유용하다.