baber/WOPTO huggingface dataset:
Patent KR-20010060002-A (KR)
Inventor: KIM KI WAN
IPC: G06F17/00
Filed: 1999-12-31
Abstract: PURPOSE: A method for providing a product information service through the Internet is provided to display products without the age limit of consumers, and to enable a consumer to safely purchase a product without the need for paying the price for the product with a credit card in a virtual space. CONSTITUTION: A web server forms product information data for providing product information to a consumer(S1). The web server provides product information stored in an advertisement database(S2). A member or a non-member obtains the product information through the product information provided to a screen(S3). The consumer directly purchases a product at a relevant member store(S4). The consumer inputs information written in a coupon(S5). The web server verifies the information on the coupon, and processes mileage of the member or the non-member(S6). The web server demands payment of the member store on the basis of the information on the coupon(S7). The member store provides the amounts of money relevant to the charge demanded(S8). The web server confirms accumulated amounts of mileage(S9). The web server provides cash or electronic money to an account of the member or the non-member(S10). The rest mileage points are processed(S11).
Patent KR-20000057644-A (KR)
Title: Transverse electric field system liquid crystal display device suitable for improving aperture ratio
Inventor: OHTA MASUYUKI
IPC: G02F1/1343
Filed: 1996-12-18
Abstract: PURPOSE: A transverse field system active matrix type liquid crystal display device is provided to improve maximum transmissivity with a wide visual field angle characteristics, excellent contrast ratio and aperture ratio. CONSTITUTION: An active matrix type liquid crystal display device capable of accomplishing an angle of visual field equal to that of a CRT and controlling the display by an electric field substantially parallel to a substrate surface provides bright display and requires lower power consumption. Pixel electrodes and opposed electrode capable of applying an electric field substantially parallel to a substrate surface is constituted, the pixel electrodes or the opposed electrodes are constituted by transparent electrodes, and the orientation state of a liquid crystal and the axis of polarization of a polarizer are constituted so that dark display is effected at the time when no field is applied.
Patent KR-20000069767-A (KR)
Title: 내부 가열식 흡수 용품
IPC: A61F7/02
Filed: 1997-12-19
Abstract: 공기 또는 수분 존재 하에 발열 반응성이어서 흡수 용품의 적어도 일부분을 가열하는 입자상 화학반응 혼합물을 포함하는 흡수 용품이 제공된다.  발생된 열은 흡수된 신체 체액의 점도를 낮추어 체액의 흡수를 개선한다.
Patent KR-20000070305-A (KR)
IPC: G05D23/12
Filed: 1998-11-19
Abstract: 본 발명은 듀어(11)의 외부에 위치되고 냉각되지 않는 다이아프램 작동기(20)를 갖는 주울-톰슨 밸브(12)용 압력 작동 유동 조절기(10)에 관한 것이다.  다이아프램 작동기는 온도가 아닌 가스 공급원(17)으로부터 듀어에 공급된 가스 압력에 기초하여 유동을 제한하고, 이것은 듀어와 결합된 장치의 냉각을 방해하지 않는다.  다이아프램 작동기는 다이아프램(22)과 주울-톰슨 밸브를 개방시키는 힘을 가하는 하중판(24)을 포함한다.  웨이브 스프링(26)은 주울-톰슨 밸브를 폐쇄시키는 힘을 가하고, 따라서 가스 공급원의 배압을 균형되게 한다.  다이아프램 작동기는 소형이고 온도가 아닌 가스 공급 압력에 기초하여 유동을 제한한다.  따라서, 본 발명은 유동 제어를 달성하기 위해서 온도 조절 대신에 압력 조절을 이용한다.
Patent KR-20010020357-A (KR)
Title: 흡광 중합체
IPC: G03F7/09
Filed: 1998-04-21
Abstract: 본 발명은 반사광을 흡광시키기 위한 포토레지스트에서 반사 방지 코팅으로서 또는 첨가제로서 사용하기에 적절한 신규한 중합체에 관한 것이다. 신규한 중합체는 약 180 ㎚∼약 450 ㎚에서 흡광하는 염료를 함유하는 단위 1 종 이상 및 방향족성 작용기를 함유하지 않는 단위 1 종 이상을 포함한다. 중합체는 유기 용제, 바람직하게는 독성이 낮은 용제 중에서 가용성이거나 또는 추가로 기타의 수혼화성 유기 용제를 함유할 수 있는 물 중에서 가용성을 지닐 수 있다.
Patent KR-20010012163-A (KR)
Inventor: YARDEN MOSHE
IPC: G01K13/00
Filed: 1998-04-23
Abstract: The present invention relates to a high speed accurate temperature measuring device especially useful for measuring human body temperature, comprising (a) an elongated temperature probe, (b) a first temperature sensor located beneath the surface of the probe, (c) at least one second temperature sensor located within the probe and parallel to the first sensor, (d) a thermal insulation member located between the first sensor and the second sensor (or sensors), (e) a data processing unit connected to the first and second temperature sensors calculating the body temperature according to heat flux measured between the body and the first sensor and between the first sensor and the second sensor (or sensors), and (f) a data display connected to the data processing unit.
Patent KR-20010068443-A (KR)
Title: Forming method of micro structure with surface roughness of nano scale
Inventor: CHA SEUNG NAM
IPC: B81C1/00
Filed: 2000-01-05
Abstract: PURPOSE: A method of forming a micro structure having a nano-scale surface roughness is provided to produce a micro structure having a nano-scale surface roughness. CONSTITUTION: In the method of forming a micro structure having a nano-scale surface roughness, a micro structure of a certain size and shape is formed on the substrate. A carbon polymer layer of a certain depth is coated on the substrate having the micro structure. The carbon polymer layer is etched using a reaction gas including a mixture of an O2 gas capable of etching the carbon polymer layer and a gas capable of etching the micro structure, and a mask layer is formed by the remnants of the carbon polymer layer. Lastly, both the masked and unmasked part of the micro structure is eliminated using the mixed reaction gas, thus making the surface having a nano-scale roughness.
Patent KR-20000053449-A (KR)
Inventor: MEOCHEONTEUSEKOWIMANSIN
IPC: H01L29/49
Filed: 2000-01-11
Abstract: PURPOSE: A semiconductor apparatus is to provide a capacitor dielectric of a low leakage current by using a metal of a conductive layer to avoid a deoxidization of the dielectric. CONSTITUTION: A semiconductor apparatus comprises a semiconductor substrate(10), a tantalum oxide layer, an oxide metal layer, and a nitric metal layer(19). The tantalum oxide layer is adjacent to the semiconductor substrate. The oxide metal layer is formed on the tantalum oxide layer opposite to the semiconductor substrate, substantially avoiding a deoxidization of the tantalum oxide layer by the metal of the nitride metal layer. The nitric metal layer is formed on the oxide metal layer opposite to the tantalum oxide layer, including a metal capable of deoxidizing the tantalum oxide layer.
Patent KR-20010006580-A (KR)
Title: Charge sharing circuit for fanout buffer
Inventor: MALARSIE LOUIS J
IPC: G11C7/10
Filed: 2000-01-19
Abstract: PURPOSE: A deskew circuit is provided to synchronize output signals from a fanout buffer and to remove danger related to a DC short caused by interconnection of all butter outputs. CONSTITUTION: A deskew circuit for synchronizing output signals from a fanout buffer includes one capacitive element coupled to each of the buffer's output nodes. Each capacitive element is also coupled to a common floating bus. The capacitive element is preferably a capacitor and the common floating bus is electrically isolated from any power rails. The bus may be formed of polysilicon or metal.
Patent KR-20000018203-A (KR)
Inventor: PARK WON GOOK
IPC: F24F11/00
Filed: 2000-01-20
Abstract: PURPOSE: An automatic air conditioner system and a digital/analog communication device are provided to automatically control a system load such as a valve, an actuator and so on installed in a building by periodically monitoring a temperature and humidity. CONSTITUTION: An automatic air conditioner system and a digital/analog communication device have: an input terminal board(400) for turning a load device on and off, receiving an analog input such as the temperature, the humidity and so on from a sensor and regulating a load device(500) to control an air conditioner; a DDC(Direct Digital Control) main board(300) for controlling the load device such as the valve, the actuator and so on to the received control order and taking charge of storing and performing a user program; a host computer(100) having the functions of editing, computer filing, downloading the user program; an RS-232C/RS-485 converter(200) for matching the connection of the host computer with the DDC main board with an RS-232 and an RS-485 rule.
Patent KR-20010076826-A (KR)
Title: Device for guiding rapier band
Inventor: LEE GYU GEON
IPC: D03D47/27
Filed: 2000-01-28
Abstract: PURPOSE: A guide device of a rapier band is provided, which is characterized by operating the rapier band smoothly owing to preventing separation of a guide flap from a guide groove of the rapier band. CONSTITUTION: The guide device of the rapier band is comprised of: a guide(104) with a guide flap(103); the guide flap(103) which is inserted into a guide groove(102) formed on the lower part of a rapier band(101), guiding motion of the rapier band(101); a guide groove(105) formed on the upper part of the rapier band(101) in order to prevent separation of the guide flap(103) from the guide groove(102); and the guide flap(106) inserted into the guide groove(105) and installed on the guide(104) in order to guide safely motion of the rapier band(101).
Patent KR-20010076940-A (KR)
Title: High molecular weight degradable film containing oxidized potato starch and process for preparation thereof
Inventor: KIM MEE RA
IPC: B29D7/01
Filed: 2000-01-28
Abstract: PURPOSE: Provided is a degradable polymer film containing oxidized potato starch, which is excellent in tensile strength, elongation rate, and strain energy and can minimize environmental pollution by fast thermal decomposition and biodegradation. CONSTITUTION: The degradable polymer film is produced by a process comprising the steps of: oxidizing the potato starch by a sodium hypochlorite(NaOCl) solution containing 0.1-5.0 active Cl/g starch; mixing the oxidized potato starch and a polymer such as polyethylene, polypropylene, or polystyrene in the same amount and the balance being a prooxidant to prepare a master batch; extrusion-molding the master batch containing 1-20 weight of the oxidized potato starch at a barrel temperature of 140-160deg.C and a screw velocity of 15-25rpm to form chips; extrusion-molding the chips at a barrel temperature of 110-160deg.C and a screw velocity of 45-65rpm to form a cast film.
Patent KR-20010077555-A (KR)
Title: Automatic public toilet and system there of
Inventor: SON SEOK GI
IPC: E03D5/10
Filed: 2000-02-03
Abstract: PURPOSE: An automatic cleaning public toilet room and a system thereof are provided to maximize the coefficient of utilization by always providing a clean toilet room. CONSTITUTION: An automatic cleaning public toilet room includes a separation wall(10) isolating a toilet part(1) and a machine room part(2), a rotary wall(11) installed at the lower part of the separation wall, and a pair of toilet bowls(7,7') symmetrically mounted at both sides of the rotary wall, wherein the rotary wall automatically is rotated at 180degrees by a sensor if the toilet bowl is used, so that the toilet bowl is cleaned at a cleaning room prepared at the opposite part of the rotary wall by using a cleaner(8) and a hot wind drier(9).
Patent KR-20010081379-A (KR)
Title: Coil tube type board marker
Inventor: KIM TAE SEUNG
IPC: B43K8/03
Filed: 2000-02-14
Abstract: PURPOSE: A board marker for a white board is provided to allow the board marker to be used in inversed pose for a long time by maximizing the phenomenon of capillary of a coil shaped ink tube. CONSTITUTION: The board marker is always used in inversed pose. If the inversed pose of the board marker is continued for a long time, the ink(4) contained in the board marker case(2) doesn't flowed toward a pen point(1). For facilitating the smooth flowing of the ink within the board marker, the board marker comprises a coil shaped ink tube(3). Since the ink tube is formed in a coil shape, a sufficient amount of ink is able to be stored in the ink tube to increase the phenomenon of capillary of the ink tube. Also, in order to maximize the phenomenon of capillary, viscous oil(5) is disposed at the bottom of the coil shaped ink tube. In this way, the ink is always capable of flowing toward the pen point.
Patent KR-20000062552-A (KR)
Title: 테스트 모드 입력 회로를 구비한 반도체 장치
IPC: G01R31/317
Filed: 2000-02-15
Abstract: 본 발명은 반도체 장치에 관한 것이다.  본 발명의 반도체 장치는 통상 동작 모드 및 테스트 모드를 갖고, 판정 회로(31, 311)는 상기 장치가 테스트 모드를 입력하였는지를 판정하고, 제어 회로(32)는 테스트 모드로 전환되었을 때 통상 동작 모드에 관계된 정보를 변경한다.  본 발명에서, 상기 테스트 모드가 뜻하지 않게 입력된 경우, 상기 통상 동작에 관계된 정보가 변경되었기 때문에 사용자는 장치가 테스트 모드로 전환된 것을 쉽게 알 수 있다.
Patent KR-20010081487-A (KR)
Title: Information Search System Through Internet Using Other Person's Book Mark List
Inventor: KIM SUN JU
IPC: G06F17/30
Filed: 2000-02-15
Abstract: PURPOSE: A system for searching for information capable of applying a bookmark list of another person on the Internet is provided to enable a user to input personal information and to receive a bookmark list of another person corresponded to the personal information. CONSTITUTION: A service operator selects a person to which a bookmark list is provided(11). The bookmark list selected is examined(12). The bookmark list examined is made into a database with personal information(13). In case that a user inputs personal information through a web browser, a bookmark list corresponded to the personal information is provided through the web browser(14).
Patent KR-20000030454-A (KR)
Inventor: KIM HONG SUNG
IPC: G06Q99/00
Filed: 2000-03-02
Abstract: PURPOSE: A method for checking state of product through question and diagnosis on internet and performing post-process is provided to easily repair a simple failure by performing a web service using checking the state of a product and performing a post-process. CONSTITUTION: A question and diagnosis system is generated based on an expert to a specific product. The generated question and diagnosis system is diagnosed on an internet. A state of a product of a user is diagnosed using the question and diagnosis system. The user repairs the product himself, requests the product to a repair store, or applies a repair on an internet according the result of the diagnosis. The applied repair is entrusted to an expert repair store.
Patent KR-20000030766-A (KR)
Inventor: KIM SANG DONG
IPC: G06F17/00
Filed: 2000-03-15
Abstract: PURPOSE: A method for operating a voice/image portal site for voice and image call with target site on the internet and the operating system are provided to increase the effect of advertising by transmitting and receiving voice and image between an information provider and a user with internet phones provided to the information provider and the user, as well as reliability for the information provider. CONSTITUTION: After a user visiting a voice/image portal site through the internet logs into use the associated voice/image portal site(S21-S22), the user searches a desired site of an information provider. After searching the site, the user visits a target site, a site in which the user can get information among a plurality of the sites of the information provider(S23). If the user clicks the internet address of the information provider for voice and image call with the information provider(S24), internet phones are so opened that the voice and image call between the user and the information provider can be carried out(S25).
Patent KR-20000063009-A (KR)
IPC: C08G18/76
Filed: 2000-03-24
Abstract: A method for preparing a flexible or semi-flexible polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a silicone surfactant, and a cell opening additive characterized in that the cell opening additive comprises an aqueous dispersion of particles comprising a wax substance and optionally an emulsifier, at least 35% of the particles having a size of 0.2 to 5 microns and a melting point which ranges from 0 to 55°C below the maximum foam exotherm temperature.
Patent KR-20000063081-A (KR)
Title: 캐시 메모리, 멀티프로세서 시스템, 공유 캐시 메모리의분할 방법 및, 이 분할 방법을 수행하는 프로그램을 담고있는 신호 제공 매체
IPC: G06F12/08
Filed: 2000-03-30
Abstract: 배타적 어드레스 공간을 각기 갖는 독립적인 다수의 배타적 엔티티(entities) 사이에 공유되는 캐시 메모리는, 각각의 엔티티에 간섭이 발생하지 않도록, 각각의 엔티티에 할당되는 기억 공간을 동적으로(dynamically) 분리시키는 캐시 분리기를 포함한다.  캐시 메모리를 포함하는 멀티프로세서 시스템, 방법 및, 이 방법을 구현하는 프로그램을 저장하고 있는 신호 제공 매체도 역시 제공된다.
Patent KR-20010094900-A (KR)
Title: The method for education and advertisement using bingo on internet
Inventor: SEO GYEONG RAE
IPC: G06Q50/20
Filed: 2000-04-07
Abstract: PURPOSE: A learning and advertising method applying to a bingo game on the internet are provided to enhance a learning effect and an advertising effect by inducing an interest of a user, thereby inducing a learner to memory learning contents and advertising contents unconsciously when learning. CONSTITUTION: A user executes a web browser and connects to a server and inputs one's ID and password, and the inputted data are transmitted to a server and may register to a membership(31). An initial screen and a menu are provided to the user, the user waits a game in a waiting room or create a new room for starting a game, and the server transmits game waiting contents and images or a bingo game(32). Information being linked with a fragment picture selection of a hinge of a plurality of users is transmitted through the server interactively, and the server transmits information being linked with a fragment picture of a bingo plate selected by the users to users, and the information is displayed on users' program(33). The server confirms the winner and receives data with respect to a rematch or not of the plurality of users. The server disconnects a connection of an ID of a user who does not wish to play a rematch.
Patent KR-20010097130-A (KR)
Inventor: KIM DONG HUN
IPC: H04B7/24
Filed: 2000-04-20
Abstract: 본 발명은 데이터 서비스시 인밴드를 통해 들어오는 V.21 프리엠블 톤을 제어국의 보코더가 소프트웨어적으로 검출할 수 있도록 한 WLL 시스템내 제어국에서의 V.21 프리엠블 톤 검출방법에 관한 것으로, QCELP 엔코딩부 및 QCELP 디코딩부와 별도로 동작하여 V.21 프리엠블 톤을 검출하는 V.21 프리엠블 톤 검출부를 보코더내에 구성하는 V.21 프리엠블 톤 검출부 구성 단계와, 상기 V.21 프리엠블 톤 검출부 구성 단계에서 구성된 V.21 프리엠블 톤 검출부가 보코더로 들어오는 신호에 대해 에너지 레벨이 일정 정도 이상의 값을 가지고 있는지 검출하여 일정 정도 이상의 값을 가지고 있는 해당 신호를 버퍼에 저장하는 신호 검출 단계와, 상기 신호 검출 단계에서 검출된 신호를 FFT 변환하는 FFT 변환 단계와, 상기 FFT 변환 단계에서의 FFT 변환을 통한 주파수 대역별 에너지를 측정하여 보코더로 들어온 신호가 음성 신호인지 아니면 V.21 프리엠블 톤인지를 판단하는 에너지 레벨 비교 단계와, 상기 에너지 레벨 비교 단계의 판단 결과, V.21 프리엠블 톤이라고 판단되면 보코더가 선택 프로세서로 서비스 옵션 변경 요구를 수행하여 데이터 서비스 모드로 전환하고, 일정 시간이 경과한 후에도 V.21 프리엠블 톤이 검출되지 않으면 더 이상 프리엠블 톤 검출 동작을 수행하지 않는 데이터 서비스 모드 전환 단계로 이루어지는 것을 특징으로 한다.
Patent KR-20010066775-A (KR)
Inventor: CHO GWANG HUN
IPC: G11B15/10
Filed: 2000-04-20
Abstract: PURPOSE: A driver of a car logic deck is provided to mount an inserted tape within loading/logic decks by using one driving motor, and to perform a play operation, and to speedily perform a tape driving by a rotation of a mode gear. CONSTITUTION: A deck driving motor(220) is installed in a logic deck(210). An arm load gear(250) and a friction gear(260) are in gear with many loading gears(230) in one side of the deck driving motor(220), and connected by a shaft to rotate an eject gear(240). The eject gear(240) is in gear with the loading gear(250) and the friction gear(260). The first loading lever forms a rack gear which is in gear with the eject gear(240) to perform a forward transmission and a backward transmission. The first loading lever installs a stopper in an upper side. The second loading lever forms the rack gear toward one side of the first loading lever. A mode cam gear(360) is in gear with the friction gear(260) to perform a rotation driving. A brush switch mounted in a lower side of the mode cam gear(360) performs a rotation operation to perform a mode conversion operation. A head base(410) is contacted with a cam(400) formed in an upper side of the mode cam gear(360), and makes a head(420) go up and down.
Patent KR-20000050046-A (KR)
Inventor: KIM YONG BEOM
IPC: G06Q50/10
Filed: 2000-05-12
Abstract: PURPOSE: A WebZine public offering on a network and a model for relating on-line publishing business is provided to supply space for debating and exhibiting continuous and special WEB writings, and space for publishing and exhibiting carefully selected debut writings and simultaneously do business for publishing an off-line periodical by special section. CONSTITUTION: In a WebZine public offering on a network and a model for relating on-line publishing business, writers for applying public offering apply internet public offering writings by theme as WEB documents, which use HTML, ASP, CGI, DHTML, XML, JAVA, a WEB browser, to an operator(100), who equips with a WEB server(3), a database(4), and a security certificating server(5). The final awarding writing among the applied writings is selected by expert's examination at first, then by second-examination, and finally by netizen. The operator(100) supplies the selected writings as on/off-line publishing writings such as a compact disc/ LD/video tape/record/periodical by section of off-line, and various voice/pictures/moving-picture of on-line.
Patent KR-20010105763-A (KR)
Title: Cooling element
Inventor: KIM JEUNG OK
IPC: F25B21/00
Filed: 2000-05-18
Abstract: A rapid refrigeration apparatus (10) includes a container (20) having a container (20) upper end, a container wall (22) with a container opening in the container (20) upper end bordered by a container rim (24), the container liquid container contents (12); a receptacle (30) extending within the container (20) and containing a refrigerant (28), the receptacle (30) including a cup portion (32) sized to fit into the container (20) opening, a cup flange (38) sized to rest against and sealing secured to the container rim (24) and a cup wall (34), at least a portion of which is expandable, the cup wall (34) having cup wall opening mechanism (52) for releasing the container contents (12) into the receptacle (30); and a lid (40) sealingly secured to the cup flange (38) and including a lid opening mechanism (42) for releasing the refrigerant (28) from the receptacle (30) into the atmosphere and for releasing the container contents (12) from the receptacle (30) for consumption; the lid opening mechanism (42) including a lid opening mechanism (42) activation mechanism for voluntarily opening the lid opening mechanism (42) at a selected moment in time.
Patent KR-20010107038-A (KR)
Title: 인터넷을 이용한 레저용 경마 및 경륜의 운용방법
Inventor: KIM JEONG HYEON
Filed: 2000-05-24
Abstract: 본 발명은 특히 시간과 장소에 불문하고 인터넷 전송망을 통해 실시간 중계와 구매권의 발매 및 구매 그리고 발매대금 및 배당금의 자동이체기능이 구현되도록 함으로서 경마 혹은 경륜인구의 저변확대는 물론 보다 편리하게 상기 스포츠를 즐길 수 있도록 배려된 레저용 경마 및 경륜의 운용방법에 관한 것인데, 이를 위하여 본 발명은 촬영수단을 통해 경주마 혹은 경륜선수 소개 및 배당금표시를 인터넷으로 실시간 중계함과; 상기 중계된 내용에 따라 이용자가 구매표의 표시(마크)를 인터넷의 웹브라우저를 통해 투표하며, 이러한 투표자의 구매정보를 별도의 입력수단으로 사업자의 메인 서버에 보관 및 기록되게 함과; 상기 경기결과 및 보관된 정보가 정보출력수단을 통해 이용자의 컴퓨터 상에 표식 되도록 함과; 투표자의 구매대금 및 배당금액이 결재용 네트워크의 온라인 결재를 통해 투표자의 결재구좌로 자동 이체될 수 있도록 함을 특징으로 하는 것이다.
Patent KR-20010107228-A (KR)
Inventor: KIM EUN YEONG
IPC: G07B15/02
Filed: 2000-05-26
Abstract: 본 발명은 차량에 탑재된 카드판독기와, 카드판독기의 동작을 제어하며 카드판독기와 비접촉 방식으로 통신하면서 금액정보를 정산하는 운전자 조작장치를 포함하여 교통카드에서 승차요금을 정산하는 시스템의 승차요금 정산방법에 있어서: 운전자 조작장치를 통하여 차량의 탑승자 정보가 입력되면, 탑승자의 정보에 대응하는 승차요금을 산출하고; 탑승자의 교통카드가 카드판독기의 감지범위 이내에 접근되면, 카드판독기에서 교통카드의 소정영역에 저장된 금액정보를 검출하며; 카드판독기에서 검출된 금액정보에서 산출된 승차요금이 차감된 금액정보를 기록하여 정산한다. 
     그러면, 버스카드로 승차요금을 지불하는 승차 인원수와 승차 인원의 요금구분 정보에 따라 산출된 승차요금을 버스카드에 저장된 금액에서 일괄적으로 정산하기 때문에, 탑승자는 카드판독기에 버스카드를 한번만 접근시키는 것으로 다양한 승차요금을 지불할 수 있으며, 운전자도 한번의 키 조작으로 승차요금을 정산할 수 있다.
Patent KR-20010107436-A (KR)
Inventor: KANG GWANG HUI
IPC: H01P3/12
Filed: 2000-05-29
Abstract: 본 발명에 따른 이벤드 도파관 구조체는, 그 몸체의 소정부위에 전파의 방출을 위한 방출공을 갖는 관형태의 주몸체부와, 상기 주몸체부의 일측 개구에 삽입되어 개구를 밀폐하는 이벤드 블록과, 상기 주몸체부의 방출공에 결합되어 주몸체부의 전파통로를 연장하는 통로를 제공하는 것으로, 그 내주면의 일정영역만큼이 전파의 연속도파를 위해 단차구조로 되어 있는 보조몸체부를 포함한다. 
     여기서, 상기 이벤드 블록의 파접촉 단부에는 파의 도파를 원활하게 하기 위한 소정 경사각의 돌출턱부가 형성되어 있는 것이 바람직하다. 
     이와 같은 본 발명은, 기계적으로 가공하기 쉬우며 적은 공간에서도 전파의 방향을 바꿀 수 있는 이벤드 도파관을 구성할 수 있고, 크기가 다른 도파관을 연결할 때에도 이벤드 블록의 단부의 돌출턱부와 보조몸체부의 내주면의 단차구조를 다르게 함으로써 최적의 전파유도를 할 수 있는 장점이 있다.