baber/WOPTO huggingface dataset:
Patent KR-20030004268-A (KR)
Title: Gain and noise figure improved double-pass two-stage erbium-doped fiber amplifier
Inventor: BAEK JANG GI
IPC: G02B6/00
Filed: 2002-12-11
Abstract: PURPOSE: A double pass and two stage optical fiber amplifier is provided to improve a gain and a noise figure by utilizing a gold-coated mirror at ends and a circulator and 980/1550 wavelength division multiplexer(WDM) at a middle portion. CONSTITUTION: A double pass and two stage optical fiber amplifier improved in a gain and a noise figure includes a signal source(1) for generating a signal light beam, a 980 nm pump light source(2) for generating a 980 nm pump light, an isolator(3) for transmitting the signal light and the 980 nm pump light, a plurality of 980/1550 nm wavelength division multiplexors(WDM)(4), a first stage Erbium doped optical fiber(5), a circulator(6), a band-rejection filter(7), a pair of second stage Erbium dopped optical fibers(8,9) and a gold-coated mirror(10). The double pass and two stage optical fiber amplifier improves the gain and the noise figure thereof by utilizing the circulator(6) and the golt-coated mirror(10) and the double pass and the two stages are configured by the plurality of 980/1550 nm wavelength division multiplexors(WDM)(4) into both ends of the circulator(6), thereby bypassing the 980 nm pump light.
Patent KR-20040052344-A (KR)
Title: Base shell curring apparatus for shock absorber
Inventor: LEE JEONG IL
IPC: B21D53/86
Filed: 2002-12-16
Abstract: PURPOSE: An apparatus for curling base shell for shock absorber is provided to improve quality and reliability of products by preventing gas leakage caused by spring back phenomena conventionally generated on a sealing part and beautifying the surface state of the sealing part. CONSTITUTION: The apparatus comprises a slider(34) installed on a frame(32) in such a way that the slider is vertically moved through a linear guide(33); ball screw(36) connected to the slider through ball housing(35), and first servo motor(38) connected to the ball screw through timing belt(37) to transmit power to the ball screw; a curling tool(40) rotationally supported to the slider through guide housing(39) to curl a front part of the base shell; second servo motor(43) connected to the curling tool through a timing belt(42) to transmit power to the curling tool; and an axial force maintaining bar(44) installed on an inner part of the curling tool in such a manner that the axial force maintaining bar is moved up and down, and an air cylinder(46) for moving the axial force maintaining bar up and down, wherein a rear part of the axial force maintaining bar is connected to rod of the air cylinder through load cell(45).
Patent KR-20040057225-A (KR)
Title: Flooring matchcd textile & printing
Inventor: HWANG BO SU
IPC: B32B27/12
Filed: 2002-12-26
Abstract: PURPOSE: A long floor covering with a fabric and a printing pattern integrated is provided to have a natural appearance and the various patterns by harmonizing a fabric layer and a printing layer. CONSTITUTION: The long floor covering on a continuous sheet with a fabric and a printing pattern integrated comprises a surface layer(10), a substrate layer(0) and a lower layer(20), from the top. The surface layer(10) comprises a surface treating layer(13), a transparent layer(11), a fabric layer(12) and a transparent layer(11), from the top. The substrate layer(0) comprises a printing layer(01) and a glass fiber layer(02). The lower layer(20) of vinyl chloride resin sheet comprises an interstrate layer(21), a foaming layer(22) or non-foaming layer(23) and a backside layer(24), from the top.
Patent KR-20040016366-A (KR)
Title: Piecewise polynomial predistortion method and apparatus for compensating nonlinear distortion of high power amplifier
Inventor: KIM MYEONG ROK
IPC: H03F1/32
Filed: 2002-12-27
Abstract: PURPOSE: A predistortion method using sectionally differentiated polynomials and a predistorter in a high power amplifier using the same are provided to compensate the non-linearity of a high power amplifier through section-by-section polynomial predistortion and to guarantee an output back off gain. CONSTITUTION: A predistorter comprises the first C/P(Cartesian/Polar) converter(1), an amplitude predistortion part(2), a phase predistortion part(3), a P/C converter(4), a power amplifier(5), the second C/P converter(6), an amplitude adapter(7), and a phase adapter(8). The first C/P converter(1) receives a cartesian complex signal containing an input phase component(Ii) and a quadrature component(Qi), converts it into a polar complex signal containing an amplitude component(ri) and a phase component(qi), and transfers them to the amplitude predistortion part(2) and the phase predistortion part(3) respectively. The amplitude predistortion part(2) receives the converted amplitude signal(ri) and creates a previously distorted amplitude signal(rd). The phase predistortion part(3) receives the converted phase signal(qi) and the previously distorted amplitude signal(rd) and creates a previously distorted phase signal(qd). The P/C converter(4) converts the previously distorted polar complex signals(rd, qd) into cartesian complex signals(Id,Qd) respectively and outputs them to the power amplifier(5). The power amplifier(5) amplifies the cartesian complex signals(Id,Qd) and provides them to the second C/P converter(6). The second C/P converter(6) converts the amplified signals into output complex signals to be used as feedback signals and provides them to the amplitude adapter(7) and the phase adapter(8).
Patent KR-20030022754-A (KR)
Title: Process for producing hydrogenated aromatic polycarboxylic acid and process for producing hydrogenated aromatic polycarboxylic anhydride
Inventor: ZAIMA FUMIYA
IPC: C07C61/08
Filed: 2002-12-27
Abstract: PURPOSE: Provided are a method for producing industrially advantageously a hydrogenated aromatic polycarboxylic acid having a high purity at a high yield, and a method for producing efficiently a hydrogenated aromatic polycarboxylic acid anhydride having a high purity at a low cost by a simple process. CONSTITUTION: The process for producing a hydrogenated aromatic polycarboxylic acid, is characterized in that in hydrogenating an aromatic polycarboxylic acid by a batch system, the aromatic polycarboxylic acid is hydrogenated at a hydrogen partial pressure of 1 MPa or more in the presence of a catalyst containing noble metal comprising rhodium or palladium or both of them in an amount of 0.5 to 10 parts by weight per 100 parts by weight of the aromatic polycarboxylic acid. The process for producing a hydrogenated aromatic polycarboxylic anhydride, is characterized in that in producing an acid anhydride by dehydration reaction of a hydrogenated aromatic polycarboxylic acid, the hydrogenated aromatic polycarboxylic acid is one obtained by feeding an aromatic polycarboxylic acid to a filling bed of the catalyst(containing the noble metal) at a velocity of 1 to 100 parts by weight/hour per parts by weight of the noble metal described above to hydrogenate it at a hydrogen partial pressure of 1 MPa or more by a continuous flow system; and the hydrogenated aromatic polycarboxylic acid is subjected to dehydration reaction with acetic anhydride of 0.64 to 5.7 times mole based on a carboxyl group of the hydrogenated aromatic polycarboxylic acid.
Patent KR-20020060958-A (KR)
IPC: H01J37/32
Filed: 2000-09-20
Abstract: 플라즈마 도핑 장치는 타겟으로의 이온 주입의 처리량 및 균일성을 증가시키는 할로우 음극을 포함한다.  할로우 음극은 양극과, 타겟이 배치되는 타겟 음극에 인접하여 배치된다.  이온화 가능한 기체는 양극과 타겟 음극 사이의 공간에 제공된다.  이온화 가능한 기체가 제공되는 공간은 할로우 음극에 의해 둘러싸여진다.  할로우 음극은 원형 단면 및 직사각형 단면 중 어느 하나를 갖는다.
Patent KR-20020070290-A (KR)
Title: 결정성장방법
IPC: C30B15/14
Filed: 2001-09-25
Abstract: 본 발명은 단결정(4)을 포위하는 냉각체(6)를 사용한 CZ 법에 있어서, 인상 속도의 고속화에 대하여 냉각체를 유효하게 기능시켜, 과도한 냉각에 의한 단결정의 균열을 방지하는 동시에 높은 결정질을 확보하는 것을 목적으로 한다. 이것을 실현하기 위해서, 냉각체(6)의 높이를 단결정(4)의 직경의 1.5배 이하로 하고, 또한 단결정(4)의 외주면에 대향하는 냉각체(6)의 내주면의 표면 온도를 500℃ 이하로 한다.
Patent KR-20020060250-A (KR)
IPC: C09D151/00
Filed: 2000-12-15
Abstract: 본 발명은 적어도 하나의 알칼리-팽창성 코어-셸 첨가중합체(Ⅰ) 5 내지 95wt.% 및 적어도 하나의 폴리우레탄(Ⅱ) 95 내지 5wt.%로 이루어진 수성 코팅조성물, 양호한 기계적 특성, 높은 플롭, 고광택, 실제로 없는 스트라이크-인, 양호한 내수성을 갖는 베이스 코트/클리어 코트 시스템에서 베이스 코트로서 사용될 수 있는 수성 코팅조성물에 관한 것이며, 높은 고체함량으로 인해 건조시간과 코트수가 감소된 본 발명의 수성 코팅조성물을 얻을 수 있는 것을 특징으로 한다.
Patent KR-20020072545-A (KR)
Title: 정신분열병과 같은 인지행동 이상증상을 나타내는 동물과그 제작방법
IPC: C07K14/485
Filed: 2001-10-10
Abstract: 정신분열병과 매우 유사한 만성적 인지행동학적 이상증상을 나타내는 동물의 제공을 위해 발달기의 미성숙 동물에 뇌기능 발달을 저해하는 특정 단백질 인자를 투여하므로써 인지행동 이상증상을 나타내는 동물을 제작하였다.     본 발명의 동물에서 확인되는 인지행동 이상증상은 정신분열병과 유사하며, 정신분열병의 치료약 및 진단약 개발에 유용하다.
Patent KR-20020079999-A (KR)
IPC: D06P1/38
Filed: 2001-03-13
Abstract: The invention is related to compounds according to the formula (I)  and salts thereof, or mixtures of such compounds or of their salts, wherein the substituents have the meanings as defined in claim 1; these compounds are useful as fiber-reactive dyestuffs in dyeing and printing hydroxy-group-containing and nitrogen-containing organic substrates.
Patent KR-20030003710-A (KR)
IPC: F16D65/14
Filed: 2001-03-27
Abstract: 본 발명은 디스크 브레이크용 제동 기구에 관한 것이다. 이 제동 기구는 피봇(3)에 의해 캘리퍼(4)내에 수용된다. 브레이크 수단은 레버(1, 31)와, 크로스 바아(6, 33)와, 추력 요크(9, 34) 및 조절 기구(16)를 포함한다. 추력 요크(9, 34)는 추력 요크(9, 34)의 중앙으로부터 추력판의 후면측으로 하향으로 대각선 방향으로 진행하는 지주들(30, 36)을 구비한다. 추력 요크(9, 34)의 구조는 힘이 브레이크 패드(28)의 별개의 분리된 영역들에 적용된다는 것을 의미한다. 이 제동 기구는 취급 및 조립을 용이하게 하는 하나의 유니트로서 함께 유지된다.
Patent KR-20020097265-A (KR)
Title: 칼라를 단단하게 죄기 위한 플라이어
IPC: B25B25/00
Filed: 2001-05-11
Abstract: 후크(hook)(29)를 가진 클램핑 칼라는 러그(30)를 계합하기에 적절하다. 플라이어의 제일 조(20)에는 보유부재(46)가 장착되고 이 보유부재는 러그 또는 후크를 상기 조에 대해 보유하도록 러그 및 후크와 함께 작동할 수 있는 보유위치와 상기 보유부재가 러그 또는 후크를 해제하는 해제위치 사이에서 상기 보유부재에 대해 이동하도록 장착된다. 유익하기로는, 조의 각각에는 이런 보유부재가 제공되고, 두 개의 부재는, 이를 위해 홈이 제공된 러그 아래 및 후크 아래에 계합되기에 적절하다.
Patent KR-20030040218-A (KR)
IPC: B60C19/00
Filed: 2001-06-08
Abstract: 본 발명은, 테스트 스테이션 요소의 압력 및 모멘트가 전반적으로 측정된 압력으로부터 독립적으로 계산되게 하는 다수의 가속도계를 가지는 테스트 스테이션을 장착시킴으로써, 테스트 머신의 압력 분포가 타이어 압력의 전반적인 측정시에 각각 측정되고 계산되는, 타이어 압력을 측정하기 위한 시스템 및 방법에 관한 것이다.
Patent KR-20040000302-A (KR)
IPC: C21D3/04
Filed: 2002-04-23
Abstract: 본 발명은, 포르스테라이트(M92SiO4) 등으로 구성되는 무기광물질 피막이 마무리소둔 중에 생성되는 것을 방지할 수 있는 소둔분리제를 이용한 무기광물질 피막이 없는 일방향성 규소강판의 제조방법을 제공하는 것으로, 탈탄소둔 후, 소둔분리제를 도포해, 마무리소둔을 행하는 일방향성 규소강판의 제조방법에 있어서, 소둔분리제로서 소성온도가 900℃ 이상 1400℃ 이하인 알루미나 분말을 이용하는 것, 또한, BET 비표면적이 1m 2 /g 이상 100m 2 /g 이하인 알루미나 분말, 흡유량이 1ml/100g 이상 70ml/100g 이하인 알루미나 분말, γ비율이 0.001 이상 2.0 이하인 알루미나 분말을 이용하는 것을 특징으로 하는 일방향성 규소강판의 제조방법에 관한 것이다. 또한, 상기 알루미나 분말에 더하여, BET 비표면적이 0.5m 2 /g 이상 5m 2 /g 이하의 마그네시아를 첨가할 수 있다.
Patent KR-20040063229-A (KR)
Inventor: PARK SEOK GYU
IPC: D06F33/02
Filed: 2003-01-06
Abstract: PURPOSE: A washing method of a washing machine is provided to improve washing efficiency by dissolving detergent efficiently, collecting fluff and infiltrating washing water into the laundry evenly. CONSTITUTION: In a first mode, a pulsator(15) of a washing machine is rotated for the first predetermined time to agitate right and left. In a second mode, washing tubs(12,13) and the pulsator are rotated for the second predetermined time to agitate right and left. The pulsator is rotated for the third predetermined time to agitate right and left in a third mode. The washing course of the washing machine is controlled by agitating right and left with rotating the washing tub and the pulsator for the fourth predetermined time in a fourth mode. Washing efficiency is improved by combining first, second, third and fourth modes with different washing speed and washing time.
Patent KR-20040064808-A (KR)
Inventor: LEE JIN SEOP
IPC: B23K28/00
Filed: 2003-01-10
Abstract: PURPOSE: A welding method for a crane rail is provided to fabricate a long rail by welding seam sections of a short rail with each other. CONSTITUTION: A welding method for a crane rail includes the steps of aligning rails to be welded(S100) and mounting molds having a shape identical to sectional shapes of rails between the rails(S110). The rails to be welded and the molds are preheated(S120). After that, a furnace is preheated(S130). Then, a solvent is poured into the preheated furnace(S150). The molds are separated from the furnace when the solvent is solidified(S160). Then, a welding section is polished(S170). When mounting the molds between the rails to be welded, a gap formed in each mold is sealed. In order to preheat the molds and the rails, a nozzle of a pre-heater is positioned at an internal center portion of the mold.
Patent KR-20040065496-A (KR)
Inventor: CHOI JIN GYU
IPC: F04B49/035
Filed: 2003-01-14
Abstract: PURPOSE: A hermetic rotary compressor is provided to reduce power consumption by controlling compressing force and reduce a noise. CONSTITUTION: A driving motor(10) is contained in a casing(1) for generating driving force. A compression unit(20) receives the driving force for driving a roller(27) contained in a cylinder(21) for compressing a refrigerant. A refrigerant storage chamber(41) forms a predetermined space at a body of the cylinder. A bypass passage(43) is formed through from the compression part to the refrigerant storage chamber. A piston(51) opens and shuts the bypass passage. A piston guide(53) guides sliding of the piston. A gas supply unit(56) supplies high pressure gas applied to the piston to shut the bypass passage. A gas discharge unit(61) discharges the high pressure gas applied to the piston to open the bypass passage.
Patent KR-20040067340-A (KR)
Inventor: KIM DONG SEON
IPC: B22F9/04
Filed: 2003-01-22
Abstract: PURPOSE: A method for preparing Fe-Si superfines is provided to obtain Fe-Si superfines maintaining powder size to 1 μm or less and comprising ultrafine crystal having crystal size of 1 to 20 nm by adopting a method for nitriding coarse Fe-6.5wt.% Si alloy powder and method for ball milling the powder at high energy simultaneously. CONSTITUTION: The method comprises a step of preparing coarse Fe-6.5wt.% Si alloy powder; a step of preparing Fe-Si-N alloy powder having improved brittleness by nitriding the coarse Fe-6.5wt.% Si alloy powder in ammonia and a mixed gas of ammonia and hydrogen; and a step of pulverizing the coarse Fe-Si-N alloy powder having improved brittleness by nitration into ultrafine powder having a powder size of 1 μm or less and comprising ultrafine crystal by ball milling at high energy, wherein the pulverizing step of the Fe-Si-N alloy powder further comprises a step of injecting ammonia (NH3) and a mixed gas of ammonia and hydrogen into the Fe-Si-N alloy powder to prevent decomposition of nitrogen during milling of coarse Fe-Si-N alloy powder, wherein the nitration is performed by setting a ratio of ammonia to mixed gas to 5 to 100%, temperature to the range of 350 to 800 deg.C and nitriding time to the range of 0.5 to 10 hour, wherein a ratio of ball to powder is set to the range of 10:1 to 40:1 during ball milling, and wherein the nitration is proceeded so that the alloy powder contains 10 to 25 at.% of nitrogen concentration.
Patent KR-20040074193-A (KR)
Inventor: JUNG HEON
IPC: B23K31/02
Filed: 2003-02-17
Abstract: PURPOSE: An apparatus for welding a door beam of a vehicle is provided to improve productivity of door beams by manufacturing various kinds of door beams using a single welding apparatus. CONSTITUTION: A welding apparatus includes a pair jig units, a pipe conveying unit(20), and a welding unit. Each of the jig units includes a bracket locator for mounting a front bracket and a rear bracket thereon. The pipe conveying unit is installed between the jig units so as to continuously load pipes on predetermined portions of the front bracket and the rear bracket. The pipes are welded to the front bracket and the rear bracket by means of the welding unit. The jig unit includes a bracket clamp for pressing the front bracket and the rear bracket.
Patent KR-20040078357-A (KR)
Inventor: KO CHA WON
IPC: H01L21/027
Filed: 2003-03-04
Abstract: PURPOSE: A bake oven for fabricating a semiconductor device is provided to control a state of air flow by installing an air valve including a sensor and an exhaust valve including a sensor. CONSTITUTION: A wafer heating unit(10) heats a wafer. An air exhaust unit(40) is installed at the outside of the wafer heating unit in order to exhaust air from an oven. An oven opening unit(20) is installed at an upper side of the wafer heating unit in order to open and shut the oven. An air inflow unit(30) is installed at a center of a top part of the oven opening unit in order to receive the air. The first sensor and an air valve(32) are installed at the air inflow unit. The second sensor and an exhaust valve(42) are installed at the air exhaust unit.
Patent KR-20040078861-A (KR)
Inventor: CHOI HO JIN
IPC: H02K53/00
Filed: 2003-03-03
Abstract: PURPOSE: A magnetic piston engine is provided to improve fuel efficiency by using rotation of a magnetic driving plate. CONSTITUTION: An upper magnet(2) is inserted into an aluminum case(201) by means of a screw(203) that is inserted into a screw hole(202), thereby forming a fixed magnet(2). The fixed magnet is installed on an upper of a piston body. An aluminum ring(401) is fitted into a lower magnet(4) to form a rotational magnet plate. The lower magnet(4) is provided with a connecting hole(402). The rotational magnet plate is inserted into a lower side forming a lower surface(301) that is positioned on a lower end of a piston(3). The rotational magnet plate is rotated by force of repulsion with respect to the upper magnet.
Patent KR-20040080086-A (KR)
Inventor: HONG SEONG HO
IPC: A47L9/32
Filed: 2003-03-10
Abstract: PURPOSE: A body handle for a vacuum cleaner is provided to reduce packing cost by packing the body handle and a cleaner body separately. CONSTITUTION: A cleaner body(20) has a coupling hole(28), a guide hole(26), and a coupling space(K). A body handle(60) is coupled to the coupling space partially, and has a coupling unit(64) inserted into the coupling hole, and a plurality of guide rib(62) coupled to the guide hole. The cleaner body and the body handle are packed separately.
Patent KR-20040080184-A (KR)
Inventor: JANG GI JU
IPC: H01J37/28
Filed: 2003-03-11
Abstract: PURPOSE: A microscope is provided to allow for operation of spin-polarized scanning tunneling microscope under a wide variety of environments by physically and chemically stabilizing carbon nanotubes. CONSTITUTION: A microscope comprises carbon nanotubes used as a tip of a magnetic probe for probing magnetic characteristics of a specimen. The carbon nanotubes has tops with zigzag edges. The tips of the carbon nanotubes are formed by cutting intermediate portions of carbon nanotubes having a chiral index of (n,0).
Patent KR-20040081613-A (KR)
Inventor: HAN SEONG HO
IPC: B61D17/10
Filed: 2003-03-14
Abstract: PURPOSE: A rounded section car-floor for speed up on a curved rail is provided to reduce the lateral acceleration of the car body without an inclination device by forming a floor plate of the car body to be rotatable. CONSTITUTION: A rounded section car-floor for speed up on a curved rail comprises a tilting part(10) having a plurality of tilting cylinders(12) an end of which is connected to a center of a lower floor(11) of a car body with a hinge and which extends and contracts according to the inclination of the car body; a floor part of which bottom is connected to the other end of the tilting cylinder to be inclined according to the extension and contraction of the tilting cylinder and which forms a floor(21) to rotate round a rotation shaft(22); and a extension part having an insert groove, an extension link, a connection link(34), and a link piece.
Patent KR-20040084963-A (KR)
Inventor: PARK BYEONG JIN
IPC: H01J29/76
Filed: 2003-03-27
Abstract: PURPOSE: A tilt coil bobbin is provided to allow the tilt coil bobbin to be easily coupled to the front cover of a deflection yoke, by forming a guide protrusion at the tilt coil bobbin such that the guide protrusion is extended upward. CONSTITUTION: A tilt coil bobbin(100) comprises a circular frame(102) tightly covering the circumference of a front cover; a plurality of grippers(114) protruded upward from the outer surface of the frame such that the grippers hold a tilt coil; and a plurality of hooks(108,110) protruded upward from the frame such that the hooks hold the front cover; and a protrusion(112) protruded upward further than the hooks from the frame such that the protrusion is engaged with the side groove of the front cover.
Patent KR-20030079718-A (KR)
Title: 재생 방법, 재생 장치, 기록 방법, 및 기록 장치
IPC: G11B27/10
Filed: 2003-03-31
Abstract: 재생 방법, 재생 장치, 기록 방법, 및 기록 장치는 저장 장치에 판독/기록 데이터를 효율적으로 제공한다.  본 재생 방법은 복수의 트랙 정보 엔트리를 가진 플레이 순서 테이블로부터 소정 트랙에 대응하며 트랙 정보 테이블 내의 트랙 디스크립터를 지시하는 트랙 정보 엔트리를 획득하는 단계; 상기 소정 트랙에 대한 복호화키와 파트 정보 테이블 내의 복수의 파트 디스크립터 중에서 하나의 파트 디스크립터를 지시하는 포인터 정보 엔트리를 포함하는 상기 트랙 디스크립터를 상기 트랙 정보 테이블로부터 획득하는 단계; 상기 하나의 파트 디스크립터를 판독하는 단계; 파일의 파트를 지시하는 상기 파트 디스크립터 내의 파트 포인터 정보에 따라서 상기 파일의 상기 파트를 판독하는 단계; 및 상기 복호화키를 이용하여 상기 파일의 상기 파트를 복호화하는 단계를 포함한다.
Patent KR-20040092161-A (KR)
Inventor: KIM DO HYEONG
IPC: H01J29/48
Filed: 2003-04-25
Abstract: PURPOSE: A cathode ray tube is provided to maximize a scan velocity modulation(SVM) effect without a special circuit correction by improving a structure of electrodes forming an electron gun. CONSTITUTION: A cathode ray tube(30) comprises a panel formed with a fluorescent film, a funnel(31) adhered to the panel, an electron gun(40), a deflection yoke(34) for deflecting an electron beam emitted from the electron gun and mounted on a cone part(33) of the funnel, and a SVM coil(35) for controlling a scan speed of the electron beam and mounted at a circumference surface of a neck part(32) in the funnel. The electron gun comprises a triode part having a cathode(41), a control electrode(42), and a screen electrode(43) and mounted on the neck part of the funnel, a plurality of focus electrodes(44,45,46) mounted successively from the screen electrode, and a final acceleration electrode(47) mounted in opposition from the cathode to the focus electrode in a final position among the focus electrodes. The focus electrode in corresponding position of the SVM coil is divided with a three partition to increase a sensitivity of the SVM coil.
Patent KR-20040100751-A (KR)
Inventor: HA JONG SIK
IPC: H04M1/23
Filed: 2003-05-24
Abstract: PURPOSE: A volume key in a mobile phone and a method for manufacturing the same are provided to simplify the manufacturing process of a volume key by molding a plating solution into a volume key main body without the necessity of a special plating process on the surface of the volume key main body. CONSTITUTION: A plating solution is applied on the surface of a volume key cast. A volume key main body(1) is obtained as the solution layer is separated from the surface of the cast when the plating solution gets solidified. Adhesives are coated twice on the rear of the volume key main body(1) in order to form a body adhesive surface(101). A volume key is manufactured as Jell-type rubber is compressed on the whole of the adhesive surface(101) at about 180 deg.C for about 200 seconds.
Patent KR-20040105147-A (KR)
Inventor: HWANG KWANG SEON
IPC: A63C17/14
Filed: 2003-06-05
Abstract: PURPOSE: An inline skate is provided, in which a wheel restraining device is installed to a frame to restrain rotation of driving wheels, so that beginners can practice inline-skating safely. CONSTITUTION: The inline skate includes a resilient support(5) having a locking stepped portion(7) at an inner surface of a wheel supporting frame(2) and wheel restraining members installed to the wheel supporting frame via resilient support and symmetrically arranged relative to each other. The wheel restraining members are selectively detachable to restrain rotation of a driving wheel(3). The wheel restraining member includes a body having a friction pad(23), a tension adjusting rod inserted into a hole and having a spring supporting portion, a nut and a washer(20) installed to an end of the tension adjusting rod, and a spring interposed between the spring supporting portion and the body.