baber/WOPTO huggingface dataset:
Patent KR-20000036237-A (KR)
Title: Elastic pad, especially under-rail
Inventor: KACZMAREK ANDRZEJ
IPC: E01B9/68
Filed: 1997-06-09
Abstract: PURPOSE: An elastic pad especially under-rail. made from elastic plastic or rubber, being used mainly in permanent ways of rail transport as an element attenuating vibrations and absorbing dynamic loads transmitted by vehicles to rails. CONSTITUTION: An elastic pad, especially under-rail, made of an elastic plastic or rubber,has two opposite sides. At least one of its opposite sides is a surface which at least partly is defined at least approximately by a simple and/or composite trigonometric sinusoidal and/or cosinusoidal function so that at least on a part of one of two opposite sides of the elastic pad there are made protrusions (3) and cavities (4) arranged alternately and changing softly one into another. The elastic pad is used mainly in permanent ways of rail transport as an element attenuating vibrations and absorbing dynamic loads transmitted by vehicles to rails.
Patent KR-20000048791-A (KR)
Title: Information processor, information processing method and information recording medium on which information processing method is recorded
Inventor: FUJIOKA HIROSHI
IPC: G11B27/34
Filed: 1997-09-29
Abstract: PURPOSE: An information processor, an information processing method and information recording medium are provided to supply a means for executing branching to external information while having a compatibility with conventional structure, such as a video and a CD by synchronously recording an image signal and n branch tables having a specific number on the disc, and having an extra stored space which corresponds to the image information. CONSTITUTION: An information processor, an information processing method and information recording medium are composed of three data processing blocks; a first block is an equipment having a storage space where the image data and n branch tables corresponding to image information, a second block is an equipment having a unit reproducing the original signal and an extra storage space corresponding to the external information data and address, the third block is an equipment having a unit processing an information data linked to the other two block.
Patent KR-20000057614-A (KR)
Title: Aryl-substituted poly(p-arylene vinylenes), method for the production and use thereof in electroluminescent components
Inventor: SPREITZER HUBERT
IPC: C09K11/06
Filed: 1997-12-11
Abstract: PURPOSE: Poly(p-arylene vinylenes), a manufacturing method thereof and its use in electroluminescent components are provided. CONSTITUTION: Poly(p-arylene vinylenes), contains repeating unit of formula (I), wherein; Y¬1, Y¬2, Y¬3 are the same or different and means CH, N; aryl stands for an aryl group with 14 C atoms; R', R'' are the same or different and mean a straight-chained, branched or cyclic alkyl or alkoxy group with 1 to 20 atoms, wherein one or several non-adjacent CH2 groups can be substituted by -O-, -S-, -CO-, -COO-, -O-CO-, -NR¬1, -(NR¬2R¬3)¬+ -A¬-, or -CONR¬4-, and wherein one or several H atoms can be substituted by F; R', R'' are CN, F, Cl or an aryl group with 4 to 14 C atoms, which can be substituted by one or several nonaromatic radicals R', R¬1, R¬2, R¬3, R¬4 are the same or different and mean aliphatic or aromatic hydrocarbon radicals with 1 to 20 C atoms or also H. A- is a single charged anion or the equivalent thereof; m means 0, 1 or 2; n stands for 1, 2, 3, 4 or 5. Said substances are suitable as electroluminescent materials.
Patent KR-20000071031-A (KR)
Title: 내후성을 갖는 플라스틱 조성물
IPC: C08L55/02
Filed: 1998-02-12
Abstract: 본 발명은 중합체 및 적어도 하나의 장해-아민 광 안정제(HALS 화합물) 및 적어도 하나의 N-다리목을 갖는 적어도 하나의 다리결합 아민 화합물을 함유하는 플라스틱 조성물에 관한 것으로서, 
     상기 다리결합 아민 화합물은 바람직하게 헥사메틸렌테트라민 또는 디아자비시클로[2.2.2]옥탄 또는 상기 화합물의 유도체이며, 중합체는 바람직하게 프로필렌 중합체 또는 아크릴로니트릴-부타디엔-스티렌 공중합체(ABS)이며, 본 발명에 따른 플라스틱 조성물은 내후성을 갖는 것을 특징으로 한다.
Patent KR-20000076190-A (KR)
Title: Substituted 4-Arylmethylene-2-Imino-2,3-Dihydrothiazoles And Derivatives And Their Pharmaceutical Use
IPC: A61P25/00
Filed: 1998-03-09
Abstract: Compounds of Formula Iincluding pharmaceutically acceptable salts thereof in the form of individual enantiomers, racemates, or other mixtures of enantiomers, in whichAr is phenyl, naphthyl or benzo[b]thiophenyl, each of which may be optionally substituted; R1 and R2, which may be the same or different, independently are a) H, b) an alkyl group containing 1 to 6 carbon atoms, c) an alkenyl group containing 3 to 6 carbon atoms, d) a cycloalkyl group containing 3 to 7 carbon atoms, e) a cycloalkylmethyl group in which the ring contains 3 to 7 carbon atoms, f) an aryl or heteroaryl group optionally substituted g) an arylalkyl or heteroarylalkyl group each optionally substituted; or R1 and R2 form an alkylene chain optionally substituted by one or more alkyl groups each containing 1 to 3 carbon atoms, such that, together with the atoms to which they are attached, they form a 5 or 6 membered ring; R3 is a) H, b) an aryl or heteroaryl group each optionally substituted c) an optionally substituted arylmethyl group; or d) an alkoxyalkyl group containing 3 to 6 carbon atoms; and R4 and R5, which may be the same or different, independently are an alkyl group containing 1 to 3 carbon atoms, or R4 and R5 together with the atom to which they are attached form a cycloalkyl ring containing 3 to 6 carbon atoms; processes to prepare such compounds; compositions containing such compounds and their use in the treatment of depression, anxiety, Parkinson's disease, obesity, cognitive disorders, seizures, neurological disorders and as neuroprotective agents; are described.
Patent KR-20010006292-A (KR)
Title: 비디오 화상 코딩 장치 및 방법
IPC: H04N19/61
Filed: 1999-01-28
Abstract: 변환 도메인에서 모션 평가와 보상(8)을 실행하는 하이브리드 비디오 엔코더에 관한 것으로, 이와 같은 엔코더에 있어서, 변환-도메인 프레임 메모리(7)에 저장된 이전에 엔코드된 블록들(Z)로부터 예측 블록( )의 계산은 다수의 승산을 필요로 한다. 이는 특히 모션 평가 알고리즘에 적용된다. 본 발명에 따라, 후보 예측 블록들의 단지 약간의 DCT 계수들, 예를 들어 DC 계수와 약간의 AC 계수들이 계산된다. 양호한 실시예에 있어서, AC 계수들은 고려되는 모션 벡터에 따라 적응적으로 선택된다. 이러한 후보 예측 블록들의 계산된 계수들과 현재의 입력 화상 블록(Y)에 대응하는 계수들은 최적의 매칭 예측 블록을 식별하기 위해 비교된다.
Patent KR-20010013598-A (KR)
Inventor: LIU JEFFREY F
IPC: G11B25/04
Filed: 1999-04-09
Abstract: A data-card system is disclosed which includes a data access head-arm (152) for performing a rotational movement for accessing data recorded on a recording medium (180) over an arc segment of the rotational movement. The recording medium (180) includes a plurality of data tracks for storing the data therein and each of the tracks is substantially an arc-segment substantially parallel to a neighboring track. The data-card system further includes a movable carriage (115) for carrying out a horizontal linear movement of the data access head-arm (152) for access of the plurality of data tracks on the recording medium (180).
Patent KR-20010076929-A (KR)
Title: Thermoplastic elastomer compounds for footwear
Inventor: CHOI GYEONG MAN
IPC: C08K13/02
Filed: 2000-01-28
Abstract: PURPOSE: A thermoplastic elastomer composition for footwear is provided, to improve flowability, abrasion resistance and durability, so that it is suitable for molding polymers. CONSTITUTION: The thermoplastic elastomer composition comprises 100 parts by weight of a base which is a styrene-based thermoplastic elastomer, or a mixture of 70-95 wt.% of a styrene-based thermoplastic elastomer and 5-30 wt.% of a polystyrene-based resin selected from general purpose polystyrene(GPPS) and high impact polystyrene(HIPS); 5-50 parts by weight of a flowability-improving agent selected from a polyolefin resin and a plasticizer; 3-50 parts by weight of silica as a filler; 0.5-20 parts by weight of an anti-abrasion improving agent; 0.2-20 parts by weight of a silane coupling agent; and other common additives. Preferably the polyolefin resin is selected from polyethylene resin, polypropylene resin, ethylene-vinyl acetate resin and ethylene-alpha olefin resin.
Patent KR-20010076118-A (KR)
Title: A ceiling structure to improve assembly performance
Inventor: CHO YONG KOON
IPC: E04B9/18
Filed: 2000-02-02
Abstract: PURPOSE: A ceiling structure with an improved assembling performance is provided to enhance the assembling performance and to reduce the number of components by combining a supporting frame and a C shaped fixing bar through a groove and a sill without using an additional combining member. CONSTITUTION: A ceiling structure contains ceiling plates(40) combined with long bolts(11) protruded from a ceiling wall. The ceiling structure contains; many vibration resistant hangers(10) arranged on a ceiling at regular intervals with a hanger body(12) and vibration resistant rubbers; supporting frames(20) fixed to the lower portions of the vibration resistant hangers with inserting grooves(21); and C shaped fixing bars(30) inserted into the inserting grooves of the supporting frame with the ceiling plates.
Patent KR-20010081383-A (KR)
Title: Sole mixed of fibril
Inventor: KIM TAE SEUNG
IPC: A43B13/04
Filed: 2000-02-14
Abstract: PURPOSE: A shoe sole mixed with high abrasion resistant fiber is provided to extend the shoe life and to improve grounding ability with a slippery ground by improving abrasion resistance and breaking a water film between the shoe sole and the ground. CONSTITUTION: The shoe sole mixed with high abrasion resistant fiber includes the resin(1), the fiber(2) with high abrasion resistance and a ground(3). The fiber(2) with high abrasion resistance, which is cut as 3mm-8mm, is mixed with the existing shoe sole materials. Aramid, chemicals and carbon fiber are used as the fiber(2) with high abrasion resistance. The resin(1) has the elasticity. The fiber, which is exposed to the surface of the sole, reduces abrasion of the resin(1) between the resin(1) and the ground(3). Thereby the existing elasticity and friction on the dry ground are maintained and the abrasion resistance and friction on the wet ground are improved.
Patent KR-20010083768-A (KR)
Title: Offer system of paduk service using internet and the method thereof
Inventor: KO SEOK JU
Filed: 2000-02-21
Abstract: PURPOSE: A system and method for providing a PADUK service using the Internet is provided, in which users play an interesting game by providing a proper PADUK education to learners and estimating a technical grade through an accurate decision. CONSTITUTION: A user connects to a server. The technical grade of a user is decided. A proper education is progressed in accordance with the user's technical grade. The user's technical grade is re-adjusted based on the education. An official technical grade certificate is issued based on the adjusting of the user's technical grade.
Patent KR-20010084319-A (KR)
Title: Boiler
Inventor: LEE CHEON HYEONG
IPC: F24H6/00
Filed: 2000-02-24
Abstract: PURPOSE: A boiler is provided to selectively heat indoor air and a heating floor by installing a radiator in the upper portion of a body. CONSTITUTION: For heating the indoor air, power is supplied to a heater(7) integrated with a water container(5) after opening a valve(1a) of a hot water flow pipe(1) to repeatedly circulate hot water through the hot water flow pipe. The circulating hot water heats a radiator(11) fixed on the outer face of the hot water flow pipe, and heat is emitted by heat emitting plates(13). The heat is diffused forwardly by a blower fan(14). Therefore, the air in the room is heated. For supplying hot water through a hot water pipe laid in the floor, the valve of the hot water flow pipe is closed to prevent upward flow of the hot water. Valves(3a,4a) mounted on an inlet port(3) and an outlet port(4) are opened to supply the hot water in the water container to the hot water pipe in the floor. Therefore, the floor is heated. For simultaneously heating the indoor air and the floor, all the valves are opened and the water container is heated. Then, the indoor air and the floor are heated simultaneously.
Patent KR-20010088771-A (KR)
Title: Method for determining the priority of displaying directory in a search machine
Inventor: KIM CHANG SEOP
IPC: G06F17/30
Filed: 2000-03-10
Abstract: PURPOSE: A search engine result display rank method is provided to display Internet directories, extracted via a search engine, in an order of a popularity among Internet users, to offer a directory ranking service by determining a ranking on a basis of a total amount formed in an Internet stock transaction in an Internet site stock market, and to enable an Internet user to assess a popularity degree on an Internet site. CONSTITUTION: The method comprises steps of a member inputting a search query at a web site search site(31), the search site displaying the searched result in an order of an Internet stock price(32), the member selecting an access to an Internet site by clicking on titles of the searched result(33), the member accessing the Internet site, returning to the search service site and clicking on a list recommendation button if the Internet site is not listed in the Internet site stock market or not in an assessment(34), then an Internet site stock transaction site storing an ID and a password of the member at a database,, and the stock transaction site giving cyber money to the member recommending an unlisted Internet site(35). The Internet site stock transaction site can give the member the cyber money only in the case that the recommended Internet site is listed.
Patent KR-20010090307-A (KR)
Title: Manufacturing mathod of corrugated cardboard for mounting on inside walls of a container
Inventor: HO GWAN JIN
IPC: B31B3/00
Filed: 2000-03-24
Abstract: PURPOSE: A method for producing corrugated cardboard to install on an internal wall of a container is provided to conveniently deliver the corrugated cardboard and to protect cargo and internal wall of the container. CONSTITUTION: A cardboard producing method comprises a first stage forming corrugated cardboard(10) having length corresponding to length of both sides walls and a rear wall(78) in a container; a second stage installing a first area having corresponding to the length of the rear wall on a middle portion of the corrugated cardboard; a third stage mounting a first corrugation to form a second and third areas having the length corresponding to both sides walls; and a forth stage forming a second corrugation on a corrugated cardboard of the second and third areas to fold the corrugated cardboard of the second and third areas. The corrugated cardboard of the second and third areas is folded to the first area corresponding to the second corrugation. The corrugated cardboard of the first area is folded to contacting the corrugated cardboard of the second area with the corrugated cardboard of the third area. Thereby, the corrugated cardboard is installed on the container by spreading to ward both sidewalls from the rear wall.
Patent KR-20010014630-A (KR)
Inventor: TERAOKA AKIRA
IPC: G01N23/04
Filed: 2000-03-24
Abstract: PURPOSE: To provide an X-ray inspecting apparatus capable of clearly judging the mounting state of a small-sized and highly densified electronic parts such as BGA or CSP to a substrate, particularly the lifting inferiority of a solder ball. CONSTITUTION: In the X-ray inspecting apparatus constituted so that an X-ray source 11 emitting X-rays and an X-ray detecting part 12 detecting X-rays are arranged in opposed relationship with a sample 13 inbetween and X-rays emitted from the X-ray source 11 to be transmitted through a sample are detected by the X-ray detecting part 12, the X-ray detecting part 12 is arranged so that the X-ray incident surface 12a thereof becomes parallel to an axis S and an oscillation means 16 oscillating the X-ray detecting means 12 centering around the axis S while always turning the X-ray incident surface 12a thereof in the same direction and a rotary means 15 rotating the X-ray source 11 around the axis S in synchronous relation to the X-ray detecting part 12.
Patent KR-20010068175-A (KR)
Title: A reaction tube for organic systhesis and a block mean for the reaction tube
Inventor: AHN SANG YEOL
IPC: C07K1/04
Filed: 2000-03-29
Abstract: PURPOSE: An organic synthesis reactor and a block container of the reactor are provided for conveniently securing the reactor, introducing and washing the sample and discharging the product by utilizing a plurality of reactors at the same time to greatly reduce time and working labors and to perform multi-synthetic processes. CONSTITUTION: The organic synthesis reactor comprises a horizontal part; a vertical part bent upward at one end of the horizontal part; an inlet bent upward at the other end of the horizontal part; an outlet bent parallel to the horizontal part opposite to the inlet at upper direction of the vertical part and attached with a joint at one end of the outlet; and a filter built-in the vertical part or at one end of the horizontal part. The reactor can serve to efficiently control the reaction temperature according to the synthesis environment, to prevent the abrasion of resin at reacting and to easily recover the synthesized compound and/or compound library with no requirement of separating the reactor after completing the reaction.
Patent KR-20010029625-A (KR)
Title: Leiomyoma diagnosis method using cyclin G and a gene thereof and a diagnosis kit useful therefor
Inventor: BAE IN SU
IPC: C12Q1/68
Filed: 2000-04-10
Abstract: PURPOSE: Provided is a method for simply diagnosing leiomyoma which is a main cause of woman hysterotomy for preventing the cancer from growing and spreading into nearby areas. CONSTITUTION: A method for diagnosing leiomyoma is characterized by the next steps: i) separating a cervical tissue from a woman specimen; ii) extracting RNA from the separated tissue and performing northern blot hybridization to figure out how much Cyclin G is expressed; and iii) comparing the outcome with the expression of Cyclin G in a normal tissue. Additionally, the expression of Cyclin G shows big difference between in a normal tissue and leiomyoma. Cyclin mRNA is more expressed in the leiomyoma than in the healthy tissue. A diagnosis kit article comprises a preparation which measures the expression of Cyclin G and is selected from Cyclin a G gene, a fragment thereof, a mutant thereof, a derivative thereof, an allele mutant thereof or an antibody against a peptide derived from a fragment thereof.
Patent KR-20010096307-A (KR)
Title: Method and device for construction of internet diet site which can collect vital signs such as weight or bodyfat automatically
Inventor: SON MUN TAK
IPC: G06F17/00
Filed: 2000-04-18
Abstract: PURPOSE: A method and apparatus for building an Internet diet site capable of automatically receiving a body information is provided to automatically transfer a body information, such as weight, fat, etc., to a web site through Internet without operating a computer. CONSTITUTION: A scale with a subminiature Internet communication device using a one-chip microprocessor is installed in a user's home or store. The scale is connected to Internet at a predetermined point of time once a day to transfer a weight information measured on the day to a web server. The web server stores the received information in a database. When the user logs on, the web server processes the stored data into a graph or statistics and outputs the same to a web browser of the user. Or, the web server sends the data through a facsimile or a mail service. Any equipment which allows an Internet communication device using the subminiature one-chip microprocessor to be embedded can be used as the scale, such as a fat scale, a thermometer, etc.
Patent KR-20010097965-A (KR)
Inventor: KIM JANG HO
IPC: F02N15/00
Filed: 2000-04-27
Abstract: 본 발명은 차량용 시동전동기의 오알씨어셈블리 자동조립장치에 대한 것으로서, 오알씨를 구성하는 각 부품들의 순차적인 조립·결합공정과 싸이징과 토오크및 커링공정과 같은 후처리 공정들이 각 단계별로 자동화된 기계장치에 의해 수행되어져 오조립의 방지와 불량도를 완전 방지하면서 생상성도 향상시키게 된 것이다. 
     이를 위한 특징적인 실시 수단은 오알씨의 구성품인 피니언(A)과 커버(B) 및 슬리브(C)를 순차적으로 조립 및 결합하도록  수단(3,4,5,10)이 구비된 회전되는 회전수단(2)의 측면을 가로지르도록 구비된 슬리브(C)를 공급함과 더불어 조립이 완성된 오알씨어셈블리 를 이송하는 가이드수단(6)으로 구성된 1차조립장치(1)와, 
     상기 1차조립장치(1)에 의해 서로 조립·결합된 피니언(A)과 커버(B) 및 슬리브(C)가 위치되는 회전대(21)로 스프링(E)과 롤러(F)를 삽입시켜주는 삽입장치(25)와 상기 회전대(21)를 회전시킴과 더불어 삽입시 위치를 고정하는 세팅수단(26)으로 구성된 는 2차조립장치(20) 및 
     상기 1·2차조립장치(1,20)를 통해 조립된 오알씨어셈블리(G)의 조립정도를 검사하기 위한 싸이징·토오크·커링수단(33,34,35)이 구비된 상단부(31)와 오알씨어셈블리(G)를 위치시키면서 상기 상단부(31)의 각 수단(33,34,35)에 일치하도록 위치된 위치고정대(40,41,42)로 이루어진 하단부(37)로 구성된 후처리장치(30)로 구성된다.
Patent KR-20010098124-A (KR)
Inventor: OH SANG JUN
Filed: 2000-04-28
Abstract: 본 발명은 인터넷상에서의 이벤트 운영 방법에 관한 것으로, 인터넷을 통해 본 발명을 실시하기 위한 웹 서버에 접속한 이용자에게 일정한 포인트를 부여하고, 상기 이용자는 포인트를 게임을 통해 운용하고, 이를 가지고 물품을 구매하고, 구매한 물품이나 포인트를 경매에 제공할 수 있도록 한 이벤트 운영 방법에 관한 것이다. 
     이를 위해 본 발명은 이용자가 게임에 참가하고자 하는 스포츠 경기와 참가 포인트를 입력하면, 경기 종료후에 당첨자를 결정하고 포인트를 배당하는 게임 참가 단계와; 이용자가 물품을 구매하고 물품 대금을 포인트로 결제하는 물품 구매 단계와; 이용자가 구매한 물품 또는 포인트를 경매에 제공하면, 입찰을 통해 판매하는 경매 단계를 포함하여 구성되어 진다. 이를 통해 사이버 머니의 개념을 가진 포인트는 실제 화폐로서 활용되어지며, 스포츠 경기를 통한 게임과 구매, 경매를 통해 이용자는 더욱 흥미를 느끼게 되어 웹 페이지에 광고를 게재할 경우에 높은 광고 효과를 얻을수 있으며, 상기 경매를 통해 낙찰자는 보다 싼 가격에 물품을 구매할 수 있다.
Patent KR-20010100585-A (KR)
Inventor: JUNG JEONG MUN
Filed: 2000-05-04
Abstract: 본 발명은 유리관을 이용한 써지 업서버의 금속 전극인 듀멧과 유리관을 봉합하기 위한 방법에 관한 것으로, 유리관형 써지 업서버의 제조 방법은 피막된 소체의 일부를 커팅하는 단계, 상기 소체를 유리관 속에 삽입하는 단계, 상기 유리관의 양단에 요철형 듀멧을 접착하여 상기 소체와 접촉하도록 하는 단계, 및 상기 요철형 듀멧에 도금된 리드와이어를 용접하는 단계를 포함한다.
Patent KR-20010104164-A (KR)
Inventor: LEE SEONG WHAN
Filed: 2000-05-13
Abstract: 별도의 매개 변수 입력과 같은 부가적인 과정이 필요 없이 자동으로, 활자체 크기와 행간, 문서 구조와 무관하게 문서를 정확하게 분석 및 저장할 수 있도록 한 방법이 개시되어 있다. 본 발명은 다양한 활자체와 행간, 문서 구조가 있는 문서 영상을 매개 변수와 무관하게 문서 분할이 가능한 자동 문서 구조 분석 방법을 제공하고자 하는 것이며, 입력된 문서 영상을 최대 동질 영역으로 분할하고, 각 영역을 텍스트, 그림, 표, 선으로 정확하게 분류하기 위하여 피라미드 구조로 계층화하여 다단계로 분석하고, 어떤 영역을 분할할지의 여부를 결정하기 위하여 주기성을 측정하고, 주기성을 찾기 어려운 영역에 대하여 질감 기반 분석함으로서, 다양한 활자체 크기와 행간, 문서 구조를 갖는 문서를 매개 변수에 무관하게 자동으로 정확히 분석할 수 있는 효과를 얻을 수 있다.
Patent KR-20000058399-A (KR)
Inventor: CHO KYU MYEON
IPC: A01G13/04
Filed: 2000-05-15
Abstract: PURPOSE: Provided is a fruit protecting cover which is attached to a fruit and which can protect the fruit from a bird and exterior shock such as a typhoon in order to improve the quality of fruit. CONSTITUTION: A fruit protecting cover comprises a fixing part to a tree and a protecting cover and is made of a plastic product. According to the fruit protecting cover, the damages from birds in the harvesting season can be prevented.
Patent KR-20010111403-A (KR)
Inventor: OH SANG GYUN
Filed: 2000-06-08
Abstract: 본 발명은 인증서를 이용하여 인터넷 서비스 액세스 로그온 및 인터넷 서비스 이용자의 서비스 이용 범위를 제어할 수 있도록 하는 방법에 관한 것이다.  인증서 제출을 의미하는 클릭 절차에 의해 인터넷 서비스 이용자로부터 인증이 요청되면, 인터넷 서비스 제공자가 이용자로부터 제출된 인증서를 판독하여 인터넷 서비스 로그온을 통제할 수 있고, 또한 인증서에 포함된 서비스 이용범위를 나타내는 정보를 판독하여 인터넷 서비스 이용자의 등급별 서비스 액세스 로그온을 통제할 수 있도록, 인증기관은 인터넷 서비스 이용자가 이용하기를 희망하는 인터넷 서비스 제공자에 관한 정보 및 인터넷 서비스 이용 범위에 관한 정보를 포함하는 인증서를 인터넷 서비스 이용자에게 제공한다.  인터넷 서비스 제공자는 인증서를 이용하여 정당한 사용자의 확인을 용이하고 완전하게 함과 동시에, 정당하지 않는 제 3자의 침입에 의한 부당한 손실을 방지할 수 있다.  또한 인터넷 서비스 이용자는 인증서 제출이라는 간편한 절차로 인터넷 서비스 로그온 및 등급별 서비스 이용권한을 획득할 수 있으며, 이용자 개인의 정보가 유출되는 것을 막을 수 있다.
Patent KR-20010113345-A (KR)
Inventor: JIN CHEOL MIN
IPC: B29B17/00
Filed: 2000-06-19
Abstract: 본 발명은 재활용도가 가장 큰 폐시트의 패드를 분리시키는 장치 및 그 방법에 관한 것으로서, 폐시트의 시트 커버물을 벗겨낸 상태에서 시트프레임을 가열하는 공정으로 시트프레임의 접촉면적으로부터 패드가 분리되도록 하고, 수직 및 수평 배열된 커팅장치로 패드를 작은 조각으로 커팅시킨 다음, 압축 진동분리장치에 의하여 커팅된 패드가 개개의 조각으로 수납부로 떨어지며 분리되도록 하는 동시에 자력 선별공정을 진행하여 이루어진 폐시트의 패드 분리장치 및 그 방법을 제공하고자 한 것이다.