baber/WOPTO huggingface dataset:
Patent KR-20030041388-A (KR)
Title: Electrical Stimulator using Mobile Phone
Inventor: KIM GYU GYEOM
IPC: H04B1/40
Filed: 2001-11-20
Abstract: PURPOSE: A detachable electric stimulating method using a mobile phone is provided to use a mobile phone as a medical tool for treatment of an illness by installing an electric stimulator at a power supply unit of the mobile phone. CONSTITUTION: A housing(10) is detachably attached at a mobile phone. Four metallic electrodes(14) positioned at a lower portion of the housing(10) transfers electric stimulation to the human's skin. An LCD panel(12) monitors the stimulation state. A connection terminal(13) is positioned at the side of the housing(10) to electrically connect a pad-type skin attaching electrode(20). A power controller(31) boosts 3.7V to 5V to operate a waveform control processor(33) and a high voltage generator(32). The high voltage generator(32) instantly boosts a voltage generated from the power controller(31) up to a maximum 200V and transfers the boosted voltage to the metallic electrode(14) or to the skin attaching electrode(20). The waveform control processor(33), a microprocessor driven by a computer program controlled by a waveform control switch, generates a stimulus frequency, a stimulus interval and a stimulus pattern.
Patent KR-20030042649-A (KR)
Title: System for practicing Circuit Design with Embedded Program using Network
Inventor: JEONG IK HO
IPC: G06Q50/20
Filed: 2001-11-23
Abstract: PURPOSE: A system for the remote learning of an embedded program design using communication network is provided to educate a user in an experiment and the practice of the embedded system design remotely by replacing an expensive equipment used for the education of an embedded system with an emulator system of a software method using a computer and linking with an education server system. CONSTITUTION: The system comprises a learner computer(30) receiving and driving an emulator and a simulator program related to the embedded system, a remote education server(10), and the communication network(20) connecting between the learner computer(30) and the remote education server(10). The learner computer(30) includes a web browser(40) performing the experiment/practice by downloading the emulation software from the remote education server(10). The remote education server(10) comprises an education broadcasting system or an Internet based education service device(11), a learner certification module(13), and an experiment/practice equipment emulator monitoring tool(15).
Patent KR-20030044137-A (KR)
Title: System and method for learning foreign language conversation utilizing peer-to-peer matching in an online virtal community
Inventor: WEN SAYLING
Filed: 2001-11-28
Abstract: PURPOSE: A system and a method for the foreign language conversation learning using the P2P(Peer-to-Peer) matching on an online virtual community are provided to make a user join in the foreign language conversation by instantly matching with other users having a common interest. CONSTITUTION: A main server(210) processes the instant matching, the management of a member portfolio, and all service requests from the members. The members on the client side(100) use all services offered from the main service by connecting to the main server through a browse and control interface(110). The members of the virtual community are classified into a tutor user group(120) and a student user group(130). The main server comprises a central signal monitoring module(220), a member control module(230), a member profile database(240), a verification module(250), a verification question database(260), an instant matching module(170), and a connection redirecting module(280).
Patent KR-20030045251-A (KR)
Title: The spring-type cleat for high voltage
Inventor: BAEK JU HEUM
IPC: H02G9/06
Filed: 2001-12-01
Abstract: PURPOSE: A spring buffer cleat is provided to constantly maintain a bearing between a cable and a cleat by absorbing a bearing increment by bearing absorption spring and measuring the bearing increment by a bearing measurement gauge. CONSTITUTION: A bearing absorbing spring(1) is formed inside a bolt joint part of cleat units(4a,4b) so as to absorb a holding bearing increment between a cable and cleat. A bearing scale(2) is formed on a surface of the bolt joint part. A rear sight(3) is configured to be slid by a holding bearing power which is forced to the bearing absorbing spring(1).
Patent KR-20020046959-A (KR)
Inventor: YOSHIKAWA TATSUYA
IPC: B01D53/94
Filed: 2001-12-11
Abstract: PURPOSE: To provide a catalyst capable of cleaning CO/NOx in a gas discharged from Diesel engine with high efficiency even under a condition of the high variation of the air/fuel ratio (A/F). CONSTITUTION: The exhaust gas cleaning catalyst contains a multiple oxide (B) prepared by supporting cerium oxide on a solid solution oxide (A) containing zirconium and cerium.
Patent KR-20030049843-A (KR)
Inventor: AHN SANG TAE
IPC: H01L21/28
Filed: 2001-12-17
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to improve yield of the semiconductor device with a capacitor of a metal-insulator-metal(MIM) structure by minimizing a loss of a charge storage electrode. CONSTITUTION: An insulation layer(11) on a substrate(10) is selectively etched to form an open part exposing the surface of the substrate. A metal layer for the charge storage electrode(14) is formed along the profile including the insulation layer. A barrier layer(15) using a fluid insulation layer is formed on the metal layer. A blanket etch process is performed until the insulation layer is exposed so that isolated charge storage electrodes are formed. The barrier layer is eliminated.
Patent KR-20030050909-A (KR)
Title: Apparatus for removing cooling water remained on a strip
Inventor: CHOI PAN SU
IPC: B21B45/02
Filed: 2001-12-19
Abstract: PURPOSE: A cooling water removing apparatus is provided to effectively remove cooling water remaining on a strip by spraying cooling water vertical to a proceeding direction of the strip. CONSTITUTION: A cooling water removing apparatus includes a driving section(10), a cooling water spraying section(40) and a control section. The driving section(10) has a plurality of electromagnets installed at inner and outer portions of a housing(1), a plurality of stick magnets formed at upper portions thereof with an upper inclined section, a rotating plate having an inclined jaw corresponding to the upper inclined section, a first gear(28) connected to the rotating plate and an arm(29). The cooling water spraying section(40) has a belt shaft(44) rotatably installed on a housing cover(2), a second gear(47) engaged with the first gear(28), first and second pulleys(46,70) and a nozzle section(80). The control section controls an operation of the driving section(10).
Patent KR-20030053279-A (KR)
Title: High purity internet service system
Inventor: JO IN HO
IPC: G06F17/00
Filed: 2001-12-22
Abstract: PURPOSE: A service system for a clean Internet line is provided to offer the clean Internet line to a high-speed Internet subscriber by installing between a high-speed ISP(Internet Service Provider) and the subscriber, and to offer a speed improvement effect of the high-speed Internet network without installing a separate equipment. CONSTITUTION: An Internet refining system(30) is installed between an ISP(20) connected to an Internet backbone and a plurality of subscriber terminals(10) connecting to the Internet through the ISP(20). The Internet refining system(30) includes a filtering server(31) offering the clean Internet line to the subscriber by selectively performing a harmful information interception program, a harmful information and virus searching engine(34) collecting the harmful information for the minor and searching a reported computer virus on the Internet line, a harmful information database(35) storing an IP(Internet Protocol) address of a harmful site collected by the harmful information and virus searching engine(34), and a virus database(36) storing a vaccine program for each virus.
Patent KR-20030054132-A (KR)
Title: Acorn Vinegar and Manufacturing Method of Acorn Vinegar
Inventor: KIM SEONG SU
IPC: C12J1/00
Filed: 2001-12-24
Abstract: PURPOSE: Acorn vinegar and a preparation process thereof are provided, thereby easily processing acorn having high tannin content, so that acorn vinegar having healthful effects can be prepared. CONSTITUTION: Acorn vinegar contains tannin tolerant acetic acid bacteria and has the acid degree of 4% or more, wherein the tannin tolerant acetic acid bacterium is selected from Acetobacter aceti subsp. aceti KFRI 895, Acetobacter aceti KFRI 435, Acetobacter aceti KFRI 1026, Acetobacter liquefaciens KFRI 837, Acetobacter pasteurianus KFRI 1027, Acetobacter pasteurianus KFRI 1028, Acetobacter pasteurianus KFRI 838, Acetobacter pasteurianus KCTC 1008, Acetobacter sp. KCTC 2335, Acetobacter sp. KCTC 2806, Gluconacetobacter liquefaciens KCTC 2859, Gluconobacter oxydans subsp. oxydans KCTC 1091, Gluconobacter oxydans subsp. oxydans KCTC 2109, Gluconobacter oxydans subsp. oxydans KCTC 2108 and Gluconacetobacter diazotrophicus KCTC 2804. A process for preparing the acorn vinegar comprises the steps of: saccharifying acorns; inoculating 1 to 5% of tannin tolerant yeast into the saccharified acorns and alcohol fermenting the acorns; and inoculating 2 to 8% of tannin tolerant acetic acid bacteria into the alcohol fermented acorn solution, acetic acid fermenting the solution and purifying the acetic acid fermented acorn solution.
Patent KR-20030056870-A (KR)
Title: A Manufacturing Apparatus of Mushroom Batch
Inventor: CHO NAM JUN
IPC: A01G1/04
Filed: 2001-12-28
Abstract: PURPOSE: An apparatus for producing a mushroom culture medium is provided which contains a mixer for smoothing the supply of oxygen and allows raw material containing cotton, rice hulls and organic nutrients to be used without pretreatment. Therefore, the apparatus improves heat efficiency and reduces operation costs. CONSTITUTION: An apparatus comprises: a screw(50)(50') rotatively installed in a groove and connected to a motor(30) by a rotating shaft(40); an air suction pipe(110) for sucking air in a mixer body(10) through an air suction hole(100) and then resupplying it; an air inlet pipe(150) installed with a heater(130) for heating outdoor air and supplying it; a mixer cover(160) for covering the mixer body; a spray nozzle(170) installed on a liquid supply pipe(180) to supply water to the mixer body; and an air discharge pipe(220) for discharging air in the mixer to the outside.
Patent KR-20030056902-A (KR)
Title: Method for fabricating capacitor of semiconductor device
Inventor: SEO DAE YEONG
IPC: H01L27/108
Filed: 2001-12-28
Abstract: PURPOSE: A method for forming a capacitor of a semiconductor device is provided to be capable of increasing the capacitance and preventing bridge between lower electrodes by enhancing the area of a lower electrode. CONSTITUTION: A capacitor insulating layer is formed on a semiconductor substrate(21) having a contact plug(25). A contact hole is formed in the capacitor insulating layer to expose the contact plug(25). A polysilicon layer(31a) is formed on the insulating layer including the contact hole. An MPS(Meta-stable PolySilicon) layer(33a) is formed on the surface of the polysilicon layer. The MPS layer and the polysilicon layer are selectively etched to expose the capacitor insulating layer. After removing the capacitor insulating layer, a dielectric film and an upper electrode(35) are sequentially formed on the exposed MPS layer and polysilicon layer.
Patent KR-20010083873-A (KR)
IPC: G06F17/30
Filed: 2000-06-26
Abstract: 정보 랜드스케이프로 구성된, 데이터베이스를 액세스하기 위한 사용자 인터페이스는 더 큰 사용자 액세스 능력을 위한 데이터베이스의 정보를 구성하도록 건축물 메타포, 즉 스타디움을 이용한다. 스포트라이트 및 검색요구 도구들은 사용자가  데이터베이스내의 항목들을 액세스하는데 도움을 주기 위해 사용된다.
Patent KR-20010079874-A (KR)
Title: Controlling a braking system
IPC: B60T17/22
Filed: 1999-09-15
Abstract: Apparatus for controlling a brake system operable using an air supply, includes an electronic control (8) for controlling air distribution and air to an air to electrical converter (12) for generating an electrical supply for energising the electronic control using air under pressure from the air supply (1). Air distribution is controlled either as a result of sensed pressure in a brake control pressure pipe (6) or as a result of an electronic brake control signal.
Patent KR-20010079920-A (KR)
IPC: B63B3/16
Filed: 1999-09-23
Abstract: 수위선 이하로 단면부에서 실질적으로 직각 일정한 단면부의 평평한 바닥 중간부(100)와 상기 중간부로부터 연장하는 수렴하는 이물부(200)를 가지는 배기량 형태의 원양 선박에 대한 선체가 개시된다. 상기 이물부는 그의 바닥(F)과 각 선체 측면사이에 만곡된 이행부(H)와, 상기 중간부에서 상대적으로 날카롭고 배 밑바닥의 만곡부를 따라 바닥 및 측면사이의 이행부(C) 및 특히 지름 0.5m이하인 예를 들면 0.0025m이다. 고물부(300)형태는 두 추진 반원형태를 포함하고 각각 경사지고, 평평한 바닥 고물로부터 중간틀과 만나는 상부까지 연장하는 실질적으로 부분 원통형 표면(S)이다. 선체 형태는 전세계적인 운용을 위해 충분한 운송 속도로서 매우 효과적인 롤-제거를 가진 작업 선박을 제공한다. 선체 형태는 상대적으로 낮은 가격으로 구성될 수 있고, 복잡한 만곡을 형성하는 데 필요한 대부분의 요구사항을 제거했다.
Patent KR-20020044106-A (KR)
IPC: C12N7/02
Filed: 1999-12-30
Abstract: 본 발명은 바이러스 입자를 정제하고 정량하는 신규 방법에 관한 것임. 좀더 구체적으로 말하면, 본 발명은 이온-교환 크로마토그래피에 의해 아데노바이러스를 정제하고 정량하는 방법에 관한 것임. 본 발명은 또한 여러 아데노바이러스 혈청타입을 동정하는 방법에 관한 것임.
Patent KR-20020000542-A (KR)
IPC: A61Q19/10
Filed: 2000-01-06
Abstract: 본 발명은 바람직한 작용 방식이 에스테르 작용기의 가수분해를 촉매하는 것인 효소의 억제, 예를 들어 제품 및 공정에서 원치 않는 효소의 제어 및 억제에 있어 하기 화학식 I을 포함하는 화합물 또는 그 염, 에스테르, 아미드 또는 프로드러그의 용도에 관한 것이다. 
     화학식 I 
     
       
     
     또한, 상기 화합물은 의약, 예를 들어 비만 및 관련 증상의 치료에 유용하다. 또한, 본 발명은 화학식 I 내에 포함되는 신규 화합물, 그 제조 방법 및 이들을 함유하는 약학 조성물에 관한 것이다. 화학식 I에서, A는 6원 방향족 또는 헤테로방향족 고리이고, R 1 은 분지쇄형 또는 비분지쇄형 알킬(하나 이상의 산소원자에 의해 임의로 차단된), 알케닐, 알키닐, 시클로알킬, 시클로알케닐, 아릴, 아릴알킬, 환원된 아릴알킬, 아릴알케닐, 헤테로아릴, 헤테로아릴알킬, 헤테로아릴알케닐, 환원된 아릴, 환원된 헤테로아릴, 환원된 헤테로아릴알킬, 또는 이들 기 중 임의의 것의 치환된 유도체이다.
Patent KR-20010103734-A (KR)
Title: Plug and socket connector arrangement with plug and socket mating slider
IPC: H01R13/42
Filed: 2000-01-04
Abstract: A plug and socket connector arrangement with a shaped plug and socket mating slider (1). Two parallel arms (3) grips one of the complementary parts (12) of the arrangement in order to draw it to the second complementary part (14) of the connector by actuating a guide slot (2) and a sliding block arrangement (13). The plug and socket mating slider (1) is led to a guide groove (10) in the connector arrangement, along which are arranged stopping faces (7) against which push the front faces (6) of the arms (3), provided that one of the complementary parts (12) of the connector is not inserted between the plug and socket connector mating slider (1). The complementary part (12) of the connector spreads apart the arms (3) in the process of its insertion between the arms (3) in such a way that the front faces (6) of the arms (3) are able to be moved sideways past the stopping faces (7) into their final position.
Patent KR-20010105338-A (KR)
Title: 시멘트계 접합체 및 그것을 위한 접합 물질
IPC: C04B28/02
Filed: 2000-02-07
Abstract: 우수한 항미생물, 항진균, 또는 항조류 기능과 같은 우수한 오염 방지 기능을 갖는 시멘트계 접합체가 개시된다. 이 시멘트계 접합체는 수경화 물질, 입자 크기가 10㎛ 이하인 입자성 응집체, 그리고 항미생물/항진균 제제 및/또는 광촉매성 금속 산화물을 포함하고, 그리고 10% 이하의 수분 흡수를 갖는다. 상기 시멘트계 접합체는 개선된 항미생물, 항진균, 또는 항조류 기능과 같은 오염 방지 기능을 개선해 왔고, 부가적으로 오랜 기간의 시간동안 오염 방지 기능을 유지할 수 있다.
Patent KR-20010102007-A (KR)
IPC: G02B3/10
Filed: 2000-12-07
Abstract: 제1 파장(λ1)의 광속을 출사하기 위한 제1 광원과; 상기 제1 파장의 광속보다 파장이 긴 제2 파장(λ2)의 광속을 출사하기 위한 제2 광원과; 각각의 광속을 광 정보 기록 매체의 정보 기록면상에 집광하기 위한 집광 광학계와; 정보 기록면상에서 반사된 광속을 수광하여 검출하기 위한 광 검출기를 구비하며 적어도 2종류의 광 정보 기록 매체의 정보의 재생 또는 기록을 수행하기 위한 광 픽업 장치에 있어서; 제1 광 정보 기록 매체는 필요 개구수가 제2 광 정보 기록 매체에 비해 크고; 상기 집광 광학계는 적어도 하나의 광학 소자를 갖는데, 상기 광학 소자는 광속을 k개(k≥4)의 윤대형 광속으로 분할하고, 상기 제1 파장의 광속중 상기 제1 광속과 상기 제k 광속은 상기 제1 광 정보 기록 매체의 정보의 재생 또는 기록을 수행할 수 있도록 상기 제1 정보 기록면상에 집광되고 상기 제1 파장의 광속중 상기 제1 광속 내지 상기 제(k-1) 광속 가운데 적어도 2개의 광속은 상기 제1 및 상기 제k 광속과 다른 위치에 외관상 가장 양호한 상면 위치를 형성하고; 상기 제1 및 상기 제k 광속의 상기 가장 양호한 상면 위치에서 상기 제1 광 정보 기록 매체에 대한 필요 개구수내를 통과하는 상기 제1 파장의 광속 각각의 광속내의 광선의 파면수차가 거의 miλ1(mi는 정수이며 i=1, 2, …k)가 된다.
Patent KR-20020004948-A (KR)
Title: 웹 사이트에의 개인화된 접속
IPC: G06F17/30
Filed: 2000-02-11
Abstract: 본 발명은 개인화 웹 사이들에의 접속을 위한 방법 및 시스템을 제공한다.  사용자는 복수의 제한된 웹 사이트들에의 접속을 위한 단일 세트의 인증 정보를 관리할 수 있다.  본 발명은 웹 사이트들에의 그룹 접속을 위한 향상된 기술을 제공한다.  복수의 관계된 사용자는 동시에 일련의 웹 사이트들에 접속할 수 있어, 관계된 사용자들 각각은 실질적으로 동시에 제공되는 동일한 콘텐트를 갖게 된다.  본 발명은 개인정보의 요약 및 집성을 위한 기술을 제공한다.  개인 데이터 서버는 사용자들을 대신하여 사용자들에 대한 정보를 갖는 하나 이상의 웹 사이트들로부터 이 정보를 얻어, 편리의 포맷으로 이들 사용자들에 이 정보를 제공한다.  본 발명은 자동화되고 지능형인 구조화된 데이터 입력을 위한 방법 및 시스템을 제공한다.
Patent KR-20010102139-A (KR)
IPC: G01R19/00
Filed: 2000-02-15
Abstract: 본 발명은 직렬 장착된 분류기를 포함하며 노이즈 전압에 의해 공급되는 라인상에서의 전류의 측정 장치에 관한 것이다. 본 발명은 분류기를 위한 증폭기 및, 분류기 공급 전압을 모니터링하는 전압을 증폭기에 공급하기 위한 수단을 사용하는 것으로 이루어지는 것을 특징으로 한다. 특히, 본 발명은 비동기식 모터를 사용하여 자동차의 파워 스티어링에 유용하다.
Patent KR-20010108312-A (KR)
IPC: B21B29/00
Filed: 1999-03-04
Abstract: 롤의 휨을 조절하는 중간부분에서 2차원으로 자동적으로 지지되는 롤에서 높은 정확성을 갖춘 압연기는 하우징, 롤의 클러스터 및 롤 쐐기(chock)를 포함한다. 상기 쐐기는 수평으로 얇게 나누어질 수 있는 중간-쐐기와 측면 쐐기로 구성되고 중간 지지수단이 그 사이에 있다. 롤링도안 롤의 가요성 처짐을 최소화하기 위해서, 본 발명의 압연기는 2차원적으로 중간지지 자동시스템과 함께 또한 제공되고, 그것은 하우징, 쐐기, 중간-쐐기와 측면 쐐기사이의 제 1중간 지지수단, 하우징과 쐐기사이의 제 2중간 지지수단, 하우징과 측면 쐐기사이의 제 3중간 지지수단을 포함한다. 상기 중간 지지수단은 스크류다운(screwdown) 수단, 수평 지지블록, 수직 지지블록 및 중간-쐐기 및 측면-쐐기사이의 지지블록을 포함한다. 이러한 압연기의 구조로서, 롤의 가요성 처짐은 상당히 막고, 그에 의하여 단면에서 압연된 부분 또는 판의 일탈(deviation)을 감소시킨다
Patent KR-20020040674-A (KR)
Title: Unitary fluid acquisition, storage, and wicking material
IPC: A61F5/44
Filed: 2000-06-08
Abstract: The present invention provides a method of forming a multistrata absorbent structure, comprising: a) airlaying a 1st batt of fibers to be used in fluid distribution; b) airlaying a 2nd batt of fibers and a high absorbency material to be used in fluid storage over the 1st batt of fibers; c) airlaying a 3rd batt of fibers to be used in fluid acquisition over the 2 nd  batt of fibers; and d) compacting the batts of fibers to form a multistrata absorbent structure comprising a fluid storage stratum between an acquisition stratum and a distribution stratum.
Patent KR-20030059909-A (KR)
Inventor: KIM JAE HYON
IPC: H04N7/015
Filed: 2002-01-03
Abstract: PURPOSE: An OFDM(Orthogonal Frequency Division Multiplexing) signal equalizer is provided to allow a receiver to adaptively equalize a transmitted signal using a pilot signal according to variation in a transmission channel. CONSTITUTION: An OFDM signal equalizer includes a signal divider(120) for dividing an OFDM signal into a real-number part and an imaginary-number part, a time interpolator(140) for interpolating symbols of the OFDM signal on a time axis on the basis of a pilot signal, and an average calculator(160) for calculating an average value of the symbols output from the time interpolator. The OFDM signal equalizer further includes a frequency interpolator(180) for interpolating the symbols of the OFDM signal on the basis of a frequency axis with the average value, a compensator(260) for compensating for the real-number part and imaginary-number part of the OFDM signal on the basis of the interpolated symbols, and a signal synthesizer(280) for synthesizing the compensated real-number part and imaginary-number part.
Patent KR-20020023319-A (KR)
Title: test probe for lithium ion battery
Inventor: LEE CHAE YUN
IPC: G01R1/067
Filed: 2002-01-16
Abstract: PURPOSE: A test probe of a lithium ion battery is provided to reduce a contact resistance and a contact pressure by increasing a contact force of a contacting part. CONSTITUTION: A receiving body(100) is formed with a main body(110) and an auxiliary body(120). An upper plunger(200) and a lower plunger(400) are located in a receiving part of the receiving body(100). The upper plunger(200) and the lower plunger(400) are combined with a barrel(300). The barrel(300) is inserted into a guide hole. An auxiliary guide hole is formed at both sides of the guide hole. A guide pin(500) is inserted into an inside of the auxiliary guide hole. The guide pin(500) is combined with the upper plunger(200). A projection is formed to a lower side direction of the auxiliary guide hole. An elastic member(600) is installed on an outer circumference of the guide pin(500). A circular space(124) is formed on a center portion of the auxiliary body(120). A contact head portion of a lower contact portion(700) is inserted into the circular space(124).
Patent KR-20030068628-A (KR)
Title: chamber for manufacturing semiconductor device
Inventor: KIM MYEONG SU
IPC: H01L21/205
Filed: 2002-02-15
Abstract: PURPOSE: A chamber for fabricating a semiconductor is provided to effectively control a back stream from a decompression unit to the inside of a chamber by installing a plurality of protrusion parts and hanging parts in a filter plate and a vacuum tube that are installed in a conventional chamber. CONSTITUTION: A reaction region where a wafer is settled is defined inside a chamber. An exhaust hole is formed in one surface of the chamber. The exhaust hole is extended to the outside by an exhaust pipe(126). The decompression unit is installed in the end of the exhaust pipe. The filter plate(150) is of a plate type that closes the exhaust pipe, having a plurality of penetrated filter holes(152). The protrusion parts(154) are ramified from one side surface of each filter hole to the rear surface of the filter plate and obliquely protrudes to the other side surface of each filter hole. The vacuum tube(160) is inserted into the inside of the exhaust pipe. A plurality of hanging parts(162) are ramified from both confronting side surfaces inside the vacuum tube and obliquely protrudes to the lower end of a corresponding side surface.
Patent KR-20020038610-A (KR)
Inventor: CHOI DUK KYU
IPC: G08G1/07
Filed: 2002-02-15
Abstract: PURPOSE: A signal and traffic system in a T-shaped intersection is provided to reduce traffic congestion by improving the traffic system of the T-shaped intersection. CONSTITUTION: A vehicle straight driving on a road(A) goes always straight on a T-shaped intersection. A vehicle left driving on the road(A) is stopped or driven on the T-shaped intersection according to a signal(S3) and a signal. The vehicle straight driving on a road(B) goes always straight on the T-shaped intersection according to a signal(S4) and a signal(S1). The vehicle left driving a road(C) is stopped or driven on the T-shaped intersection according to a signal(S2). A partition is formed in order to drive safely the vehicle straight driving of the road, and the signal(S2,S4) have variable periods for safe driving.
Patent KR-20030068781-A (KR)
Title: one way air flow valve to minimize repiratory impedance
Inventor: CHA UN JONG
IPC: A61B5/08
Filed: 2002-02-18
Abstract: PURPOSE: An unidirectional air current valve tube is provided to have a breath tube structure of preventing a steam line of an air current from being distorted and to minimize a breath impedance effect. CONSTITUTION: The first connection part(300) has a mouse piece connection part(310) formed at the center and connected with a mouse piece(320). An expiration valve body(100) and an inspiration body(200) are connected to the first connection part(300) and are connected in parallel so that inlet directions are opposite to each other. Valve plates(130,230) rotate on the center of rotary shafts(220) to ventilate air and are not rotated by protrusions(240) to prevent air from being ventilated. The second connection part(400) is connected to input and output sides of the expiration and inspiration bodies(100,200) and separates the expiration body(100) and the inspiration body(200).