baber/WOPTO huggingface dataset:
Patent KR-20030035397-A (KR)
Title: device for driving liquid crystal device
Inventor: MUN SEUNG HWAN
IPC: G09G3/36
Filed: 2001-10-31
Abstract: PURPOSE: A driving apparatus of an LCD is provided to enhance the visibility the LCD by performing a gamma correction process according to the luminance of the surrounding environment. CONSTITUTION: A data driving portion(3) supplies a gray voltage to a data line according to a data signal and drops values of voltages transmitted to each pixel within an LCD panel(1) line by line. A scan driving portion(2) supplies a gate voltage to a gate line in order to transmit the data from the data driving portion(3) to the pixels. A timing control portion(5) generates digital signals in order to drive the data driving portion(3) and the scan driving portion(2). A gray voltage generation portion(6) generates gray voltages and supplies the generated gray voltages to the data driving portion(3). Each level of the gray voltages is changed according to the peripheral luminance.
Patent KR-20030037441-A (KR)
Inventor: JEOUNG NAK CHUL
IPC: A23D9/00
Filed: 2001-11-05
Abstract: PURPOSE: Provided is a composition of frying oil inhibited in thermal oxidation. The composition inhibits the increase of free fatty acid, prevents the lowering of smoke point. CONSTITUTION: A composition of frying oil is characterized by comprising 0.01-10.0 wt.% of oleoresin capsicum including capsaicin, 0.01-30ppm of silicon resin and 0.01-10.0 wt.% of butter flavor.
Patent KR-20030044484-A (KR)
Inventor: KIM DONG CHEOL
IPC: G02F1/13357
Filed: 2001-11-30
Abstract: PURPOSE: A liquid crystal display device is provided to remove the Becke's line generated on a projection surface of a light guide panel by changing the path of light emitted from a light generating element, thereby improving the luminance uniformity of second light emitted from the light guide panel. CONSTITUTION: A liquid crystal display device includes a lamp(211) for generating first light, a light guide panel(220) for guiding the first light to project second light to the entire surface, light path changing elements for changing the path of the first light from the lamp between the lamp and the light guide panel for improving the uniformity of the luminance of the second light, and a display unit(100) for displaying images by the second light received from the light guide panel. The light path changing elements are formed integrally with the light guide panel and to be a plurality of grooves formed continuously and parallel to each other from a first edge to a second edge of the light guide panel.
Patent KR-20030046070-A (KR)
Title: Method for setting automatically the focus of back projector
Inventor: JUNG O SEOP
IPC: H04N5/74
Filed: 2001-12-05
Abstract: PURPOSE: A method for automatically adjusting focus of a backside projection type imaging system is provided to recognize a variation in terrestrial magnetism to perform automatic focus control. CONSTITUTION: A terrestrial magnetism value according to a variation in terrestrial magnetism is read when an imaging system is in standby state(S202). The terrestrial magnetism value is compared with a predetermined terrestrial magnetism value(S203). The predetermined terrestrial value is changed to the terrestrial magnetism value based on the comparison result(S204). Automatic focus control is carried out using the changed terrestrial magnetism value(S206). The automatic focus control is executed when the imaging system is turned on.
Patent KR-20030046163-A (KR)
Title: Manufacturing method of fertilizer
Inventor: KIM JU HO
IPC: C05G3/00
Filed: 2001-12-05
Abstract: PURPOSE: Provided is a liquid fertilizer used as a supplement fertilizer which supplies many kinds of nutrients(N, Ca, K, Mo, etc.) simultaneously at one time fertilization and gives immediate fertilizer effects for prevention of excessive use. CONSTITUTION: The liquid fertilizer is manufactured by the following steps of: mixing amino acid(N,K) fertilizer, 20kg of sintered bone powder, 10kg of waste talc, 10kg of crystal sugar, 200ml of yeast, 1000ml of micro-compound fertilizer, 10kg of oil cake, and 15-20L of mixed essence of herbs and amino acid of fishes; mixing 160kg of mixture with 450L of water; and fermenting at 20-23deg.C for 15days. The resultant fertilizer is applied to crops by diluting 800-1000times by water.
Patent KR-20020081040-A (KR)
Inventor: TERAMOTO AKINOBU
IPC: H01L21/8242
Filed: 2001-12-15
Abstract: PURPOSE: To form a gate bird's beak without increasing wiring resistance of a gate wire and embed an inter-layer insulation film between gate wirings readily. CONSTITUTION: A gate oxide film 2 is formed on a substrate 1, and a gate wire comprising a first silicon film 3, a silicide film 4 and an insulation film 5 is formed on the gate oxide film 2. Then, impurities are implanted by using the gate wire as a mask and a first diffusion layer 6 is formed. A second silicon film is formed all over the substrate 1 to cover the gate wire. The second silicon film is subjected to thermal oxidation and a thermal oxide film 8 is formed. A layer insulation film 9 is formed on the thermal oxide film 8.
Patent KR-20030050038-A (KR)
Title: Door garnish upper part mounting means of automobile
Inventor: HWANG BYEONG HUI
IPC: B60J5/00
Filed: 2001-12-18
Abstract: PURPOSE: Structure for combining the upper part of a door garnish of a vehicle is provided to simplify the working process and components and to improve quality by reducing occurrence of tolerance. CONSTITUTION: In structure for combining the upper part of a door garnish of a vehicle, a support part stepped with a door garnish body(1) is integrally formed to the upper part of the door garnish body. Plural clip support holes are formed to the support part and fixing holes are formed to the upper and lower part of the clip support holes. Plural fixing protrusions(22) are integrally formed to the corresponding positions of the fixing holes of the inner surface of a door waist line molding(4) installed to the support part. The fixing protrusions are inserted in the fixing holes and at the same time clip(23) is inserted into the clip support hole. And then the clip is inserted in a hole(11) formed to a door-outer panel(10) and the upper part of the door garnish body and the door waist line molding are combined to the door-outer panel together.
Patent KR-20030050040-A (KR)
Title: An air bag door of an automobile
Inventor: KONG BYEONG SEOK
IPC: B60R21/201
Filed: 2001-12-18
Abstract: PURPOSE: An airbag door for a vehicle is provided to prevent the airbag from tearing by forming a hinged portion of a plate to be an obtuse angle and to prevent broken pieces by moving a combining rib of a cover along a guide slot of the plate. CONSTITUTION: An airbag door for a vehicle comprises a cover(100); a metal plate(200); a combining rib(110) and a chute(60). The cover is installed to a front surface of a housing(40) with a same plane as a crash pad(10). An airbag(30) is installed to the inside of the crash pad. The plate is arranged to an inner surface of the cover. Rectangular guide slots(210) are formed to the plate, and one side of the plate is a hinged portion(220). The combining rib is extended integrally from the inner surface of the cover corresponding to the guide slot of the plate and combined to the guide slot. The combining rib is shorter than the guide slot. The chute is arranged to an inner upper surface of the crash pad near the hinged portion of the plate. A combining groove(61) is formed to the chute to fix the plate with a screw(S). Thereby, the airbag is not torn when the hinged portion of the plate contacts the airbag because the hinged portion is an obtuse angle.
Patent KR-20020023784-A (KR)
Inventor: SHIN YEONG JIN
IPC: B23C1/10
Filed: 2001-12-18
Abstract: PURPOSE: A vertical CNC(Computerized Numerically Controlled) milling machine is provided to exclude a saddle for transferring a table in the direction of Y axis and to transfer a spindle head assembly in the direction of Y axis by employing the structure of a ram. CONSTITUTION: A vertical CNC milling machine(100) comprises a frame(130) having a base(132), a knee member reciprocating in the direction of Z axis along a column(134) installed upright to the base, a table member(150) installed on the knee member while reciprocating in the direction of X axis, a spindle head assembly(160) installed vertical to the table member while reciprocating in the direction of Y axis, an X directional transfer unit installed between the table member and the knee member to reciprocate the table member in the direction of X axis, a Y directional transfer unit installed between the spindle head assembly and the frame to reciprocate the spindle head assembly in the direction of Y axis, and a Z directional transfer unit installed between the knee member and the base to reciprocate the knee member in the direction of Z axis. According to the ram structure transferring the spindle head assembly in the direction of Y axis, the load applied to the knee member is limited on the table member. Therefore, the uneven concentration of a load is avoided.
Patent KR-20030052331-A (KR)
Title: Remote gps recieveing apparatus
Inventor: KIM JONG O
IPC: G01S19/13
Filed: 2001-12-21
Abstract: PURPOSE: A remote GPS(Global Positioning System) receiver is provided to receive a GPS signal and transmit the received GPS signal to a wireless signal by forming the GPS receiver having a wireless interface function. CONSTITUTION: A remote GPS receiver includes a GPS antenna(11), a GPS engine portion(12), a wireless interface portion(13), a control portion(14), and a power supply portion(15). The GPS antenna is used for receiving a GPS satellite signal from a GPS satellite. The GPS engine portion converts the received GPS satellite signal and outputs position data to indicate a position of the remote GPS receiver. The wireless interface portion transmits the position data of the GPS engine. The control portion controls transmitting periods of the position data of the wireless interface portion. The power supply portion supplies the electric power to each device.
Patent KR-20030054074-A (KR)
Title: Multi-Functional Fiber Containing Natural Magma-Stone Powder and A Manufacturing Process for the Same
Inventor: KIM WON GI
IPC: D01F1/10
Filed: 2001-12-24
Abstract: PURPOSE: Multi-functional fiber containing mineral stone powder is characterized by having antibiosis without adding an antibacterial agent and radiating far infrared ray and an anion. The fiber is useful for clothes, textile for interior, a filler of bedclothes and non-woven fabric. CONSTITUTION: The mineral stone having 0.2-3 micrometer of average particle size is comprised of 80-85wt.% of SiO2, 5-10wt.% of Al2O3, 2-5wt.% of K2O, 2-3wt.% of Na2O, 1-2wt.% of CaO, 1-2wt.% of Fe2O3, 0.5-1wt.% of MgO, 0.1-0.5wt.% of TiO2 and 0.01-0.1wt.% of MnO. The multi-functional fiber containing the mineral stone powder is obtained by the steps of: mixing and melting 10-25wt.% of the mineral stone powder with a synthetic fiber resin to manufacture master batch; mixing the master batch with a synthetic resin chip to manufacture a mixture containing 0.5-5wt.% of the mineral stone powder based on total weight of fiber; melting and mixing the mixture at 170-290deg.C, followed by spinning the mixture; drawing yarn at 80-150deg.C to make the yarn having 2-15denier; and then winding or cutting the yarn.
Patent KR-20020053019-A (KR)
Inventor: AIZAWA MAMORU
IPC: F27B17/00
Filed: 2001-12-26
Abstract: PURPOSE: To provide a sintering method and device therefor for manufacturing a ceramic sintered compact and a ceramic membrane having a dense structure. CONSTITUTION: The method comprises sintering a compact or a ceramic precursor membrane consisting of ceramic or metal powders by heating and baking the compact or the precursor membrane while giving a centrifugal force. The sintering device is provided with a working part W having a high velocity rotatable stage, a heating part 1 to heat the working part, a temperature controlling part 2 for the heating part, a rotating part 3 to rotate the working part, a rotation speed controlling part 4, a vacuum magnetic sealing bearing part 5 and a tight cover 6.
Patent KR-20030056863-A (KR)
Title: A Liquid Crystal Display Device
Inventor: HAN GIL JUN
IPC: G02F1/13
Filed: 2001-12-28
Abstract: PURPOSE: An LCD(Liquid Crystal Display) is provided to minimize the difference between the overlapping area of a panel pad and a TCP(Tape Carrier Package) output pad and the overlapping area of a neighboring pad set by forming the panel pad in the departed polygonal shape. CONSTITUTION: A gate pad(303) is formed between a gate drive IC(Integrated Circuit) and an active layer. A data pad(304) is formed between the data drive IC and the active layer. A second substrate is placed on a first substrate. The active layer is formed by the first and second substrates. The gate pad and the data pad are overlapped with a TCP output pad. Since the gate pad and the data pad are formed in the departed polygonal shape. According to the structure, the overlapping area does not change easily despite thermal expansion or slight shakiness.
Patent KR-20030059417-A (KR)
Title: Manufacturing method for semiconductor device
Inventor: HUH MIN
IPC: H01L21/28
Filed: 2001-12-29
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of improving isolation property and polishing margin by using an insulating layer as polishing barrier and isolation layer. CONSTITUTION: Gate electrodes(107) having a hard mask(109) are formed on a semiconductor substrate(101). After forming an interlayer dielectric(111) on the resultant structure, contact holes are formed to expose a bit line contact and a storage contact. An insulating layer(115) is formed on the resultant structure, wherein the thickness of the insulating layer is a>b>c, where a is the thickness formed on the hard mask(109), b is the thickness formed at sidewalls of the gate electrode(107), and c is the thickness formed at the bottom of the contact hole. By blanket etching of the insulating layer(115), an insulating pattern is formed to expose the substrate.
Patent KR-20030058124-A (KR)
Title: Packet service screen apparatus using mobile communication terminal
Inventor: LEE EUN SUK
IPC: H04B1/38
Filed: 2001-12-29
Abstract: PURPOSE: A packet service dedicated screen supporting device using a mobile phone is provided to have a control box which connects to the mobile phone and receives a wireless packet service. CONSTITUTION: A control box has a memory(220) for storing a main control program, and a CPU(210) for supporting a packet service transmitted through a mobile phone(100), according to the main control program and a start command of a user. The control box has an audio control module(240) for outputting sound data transmitted through the mobile phone(100), through a speaker, and a user interface control module(230) for connecting to a keyboard which receives instruction data from the user. The control box has a display control module(260) for outputting image data transmitted through the mobile phone(100), to a display device(300), and a mobile phone connection interface(270) for connecting to the mobile phone(100).
Patent KR-20020008815-A (KR)
Inventor: CHOI IN JA
IPC: A61K31/337
Filed: 2000-07-18
Abstract: PURPOSE: Provided is a biocompatible and biodegradable block copolymer of poly (alkylene oxide) and poly (p-dioxanone) which is soluble in organic solvents. CONSTITUTION: The block copolymer comprises: one or more poly (alkylene oxide) blocks and one or more blocks of a p-dioxanone homopolymer or copolymer, wherein (a) the block copolymer is soluble in an organic solvent; and (b) the poly (alkylene oxide) blocks comprises between 25 to 80 % by weight of the block copolymer. The block copolymer has an average molecular weight of between 625 to 2,000,000 Daltons, and the total molecular weight of the poly (alkylene oxide) blocks is within a range from 200 to 500,000 Daltons. The poly (alkylene oxide) is a member selected from the group consisting of poly (ethylene oxide), random copolymers of ethylene oxide and propylene oxide and block copolymers of poly (ethylene oxide) and poly (propylene oxide) and monoalkoxy-terminated derivatives thereof. The p-dioxanone copolymer is a copolymer of 1,4-dioxane-2-one and a member selected from the group consisting of glycolic acid, lactic acid, and caprolactone. The p-dioxanone copolymer contains at least 5 mole percent of repeating units derived from 1,4-dioxane-2-one based on the total amount of monomers used in preparing said copolymer.
Patent KR-20010080231-A (KR)
IPC: F04B27/10
Filed: 2000-07-27
Abstract: 사판의 경사각을 제어하여 토출 용량을 변화시킬 수 있는 용량 가변형 사판식 압축기에 있어서, 사판 (18) 에 테이퍼면을 갖는 와셔 (19) 가 맞닿음으로써, 사판이 정렬된다. 
     이에 의해, 압축 동작을 하고 있지 않는 경우 또는 실질적으로 0 으로 간주되는 작은 토출 용량으로 압축 동작을 하고 있는 경우에 있어서도, 사판과 구동축 (6) 과의 사이에서 발생하는 소음 등이 방지된다.
Patent KR-20010080594-A (KR)
IPC: A61K31/405
Filed: 1999-11-01
Abstract: 본 발명은 하기 화학식 I의 엘레트립탄 히드로브로마이드 모노히드레이트, 그의 제조 방법, 그의 용도, 및 상기 모노히드레이트를 포함하는 조성물을 제공한다. 
     <화학식 I>
Patent KR-20010089730-A (KR)
IPC: H04L1/00
Filed: 2000-10-09
Abstract: 중앙 서버로부터 무선으로 전송되는 애플리케이션 프로그램과 사용자 데이터 파일의 적어도 하나를 수신하기 위한 시스템이 개시되어 있다. 그 데이터 처리 시스템은 중앙 서버에 의해 전송된 데이터의 블록들을 순방향 채널로 수신하고, 사용자 입력 데이터 및 사용자 명령들을 역방향 채널들로 중앙 서버에 전송하기 위한 RF 트랜시버를 포함한다. 데이터의 블록들은 사용자 데이터 파일 및 애플리케이션 프로그램을 포함한다. 그 데이터 처리 시스템은 데이터의 수신된 블록들을 모니터링하고, 데이터의 제 1 블록과 관련된 훼손된 데이터를 검출하기 위한 다운로드 제어기를 포함한다. 그 다운로드 제어기는 훼손된 데이터의 검출에 응답하여, 중앙 서버가 데이터의 제 1 블록을 재전송하도록 할 수 있는 재전송 요구를 유선 네트워크를 통해 중앙 서버에 전송한다.
Patent KR-20010101335-A (KR)
IPC: A47L13/17
Filed: 1999-12-29
Abstract: 다수의 섬유상 층들을 포함하는 습윤 와이프용 기재 쉬이트가 제공된다.  기재 쉬이트의 섬유상 층들중 하나 이상은 1) 폴리에틸렌과 첨가제의 블렌드에 의해 형성된 폴리에틸렌 섬유 또는 2) 폴리프로필렌과 첨가제의 블렌드에 의해 형성된 폴리프로필렌 섬유를 포함한다.  예를 들어, 완전히 수소화된 탄화수소 수지가 폴리에틸렌에 첨가제로서 사용되어 약 87℃이 낮은 용융 온도를 갖는 폴리에틸렌 섬유를 형성할 수 있다.  그러한 섬유로 제조된 폴리에틸렌 층은 증진된 강도를 가지고, 적은 린트를 생성하고, 인접 섬유상 층에 더욱 견고히 부착될 수 있다.  폴리부틸렌은 폴리프로필렌에 첨가제로서 사용되어 인접 섬유상 층에 증가된 부착성을 갖는 보다 가요성인 층을 생성하는 폴리프로필렌 섬유를 형성할 수 있다.  이러한 폴리에틸렌 및 폴리프로필렌 층은 기재 쉬이트에 존재하거나 다른 섬유상 층과 합쳐질 수 있다.  일반적으로 평면인 기재 쉬이트의 주요 외면중 하나 또는 양쪽은 폴리에틸렌 층에 의해 형성되어 비교적 연질성인 외부 와이핑 면을 갖는 기재 쉬이트를 제공할 수 있다.  폴리프로필렌 층은 유리하게는 연질성 층과 합쳐져서 기재 쉬이트에 강도 및 탄성을 제공할 수 있다.  3겹 기재 쉬이트는 폴리프로필렌 내층 및 2개의 폴리에틸렌 외층을 포함하고, 그에 의해 이들 층의 상이한 특성을 이용할 수 있다.  폴리에틸렌 또는 폴리프로필렌 섬유에 첨가제를 사용함으로써, 기재 쉬이트가 의도하는 목적에 적합하도록 기재 쉬이트의 특성을 더욱 조절할 수 있다.
Patent KR-20010101642-A (KR)
Title: 박막 전자발광 장치를 포함하는 광센서 및 어레이
IPC: G01N21/64
Filed: 2000-11-21
Abstract: 본 발명은 화학적, 생물학적, 물리학적 분석을 위한 광센서, 프로브 및 어레이 장치에 관한 것이다. 본 발명의 장치는 분석물-민감성층을 구동시켜 광응답을 제공하는 박막 전자발광층에 광학적으로 연결된 분석물-민감성층을 포함한다.
Patent KR-20020010646-A (KR)
IPC: C10M111/04
Filed: 2000-05-10
Abstract: 본 발명은 (a) 화학식 1로 표시되는 에스테르 1종 이상과 필요에 따라 (b) 지방산 폴리올 에스테르, 프탈산 에스테르, 지환족 디카르복실산 에스테르, 폴리비닐 에테르, 탄화수소유 및 폴리알킬렌 글리콜로 이루어진 군으로부터 선택되는 1종 이상을 조합시켜 포함하는 냉동기용 윤활유, 이 윤활유를 이용한 냉동기의 윤활 방법, 및 (I) 상기 성분 (a) 또는 성분 (a)와 (b) 및 (II) 냉매를 함유하는 냉동기용 작동 유체 조성물을 제공한다. 
     <화학식 1> 
     
       
     
     식 중, R 1 은 C 1 -C 18 직쇄상 알킬 또는 C 3 -C 18 의 분지쇄상 알킬을 나타내고; R 2 는 H, C 1 -C 18 의 직쇄상 알킬 또는 C 3 -C 18 의 분지쇄상 알킬을 나타내며, 단 R 1 로 표시되는 알킬의 탄소수와 R 2 로 표시되는 알킬의 탄소수 합계는 2 내지 18이고, R 2 가 H일 때 R 1 은 분지쇄상 알킬을 나타내며; R 3 은 C 1 -C 20 의 직쇄상 알킬, C 3 -C 20 의 분지쇄상 알킬 또는 C 3 -C 10 의 시클로알킬을 나타낸다.
Patent KR-20020016835-A (KR)
IPC: C07C67/08
Filed: 2000-06-12
Abstract: 본 발명은 단일 반응 영역과, 정류 영역 및 스트립핑 영역을 함유하는 산 분리 칼럼을 사용하여 에스테르화 반응 및 가알콜분해 반응 등의 평형 제한 반응을 수행하는 방법에 관한 것이다.  단일 반응 영역의 온도와 압력은 중량물, 예를 들면, 단일 반응 영역에서 형성되거나 단일 반응 영역으로 도입된 마이클 부가 중량물을 분해시키고 에스테르 생성물의 제조시 생성물의 적어도 일부를 증발시키기에 충분하다.  산 분리 칼럼으로부터 회수된 기저 분획을 단일 반응 영역에 공급하는 속도는 산 분리 칼럼과 단일 반응 영역의 안정하고 효율적인 작동을 제공하도록 조절 및 조정할 수 있다.
Patent KR-20020060089-A (KR)
Inventor: KOBAYASHI ATSUSHI
IPC: G06F3/0484
Filed: 2002-01-08
Abstract: PURPOSE: To provide a device environment setting system which is provided with a means for setting device setting information to be suited to the connecting situation of the device by displaying the device setting information based on the connecting situation of a device constituting the system, and to provide a method for processing device environment setting and an information recording medium. CONSTITUTION: An input means 402 inputs information to be set to such POS device environment setting information as is suited to the connecting situation of the device constituting a POS terminal system. A device information editing means 403 edits the inputted setting information while correlating it with OPOS device environment setting information registered already. A device information verifying means 404 verifies whether edited various kinds of setting information is proper information or not based on the OPOS device environment setting information. A device information update means 405 updates the OPOS device environment setting information of a registry 410 based on the edited various kinds of setting information. A device information display means 406 displays device information based on the OPOS device environment setting information.
Patent KR-20030062538-A (KR)
Title: device for opening and shutting in dish washer
Inventor: KANG MYEONG HO
IPC: A47L15/42
Filed: 2002-01-17
Abstract: PURPOSE: A door opening/shutting device for a dish washer is provided to reduce the number of parts and to minimize the space of the door opening/shutting device by simplify the structure of the door opening/shutting device. CONSTITUTION: A locker(7) is composed of a neck unit(710) connected to the inside of a door(2), and a head unit(700) extended from the neck unit and narrowing toward the frond end. A plate spring(8) has a protrusion unit(800) contacted with the outer surface of the head unit and moving backward when the door is shut. The head unit pushes a contact point(11) when the surface from the neck unit to the head unit is caught in the protrusion unit, and thus, a microswitch(10) is switched on.
Patent KR-20020025907-A (KR)
Title: Multi-channel CID apparatus and used customer control system there of
Inventor: JUNG O GWON
IPC: H04Q3/72
Filed: 2002-01-23
Abstract: PURPOSE: A customer management system using a multi-channel CID(Caller ID) displaying device is provided to automatically retrieve location information of customers from a DB based on CID signals extracted from the multi-channel CID displaying device, to display the retrieved information, and to identify the corresponding customers to announce a processing result by ARS. CONSTITUTION: Many customer telephones(1) have telephone numbers. A telephone office(10) delivers CID signals based on customers' telephone numbers. A multi-channel CID displaying device(20) has channels for receiving many office lines, and extracts CID signals of the channels by separating the CID signals. A server(30) receives the extracted CID signals to manage customer information by interworking with pre-inputted data. Many terminals(50) share the customer information with the server(30), and process works of the customers. The server(30) manages detailed call information with time information for a caller's telephone number transmitted from a micro processor of the CID displaying device(20), and retrieves the customer information based on the caller's telephone number. The server(30) corrects, updates, processes, and stores the customer information at the request of the terminals(50), and transmits the information.
Patent KR-20030063790-A (KR)
Title: Polyimide nanocomposite and its preparation method
Inventor: JANG JIN HAE
IPC: C08L79/08
Filed: 2002-01-24
Abstract: PURPOSE: A polyimide nanocomposite and its preparation method are provided, to improve the heat resistance, the tensile strength, the elongation at break, the oxygen permeability and the vapor permeability. CONSTITUTION: The polyimide nanocomposite comprises 50-99.9 wt% of the polyimide having the repeating unit represented by the formula 1; and 0.01-50 wt% of the montmorillonite combined with an alkyl group of C5-C20, wherein n is an integer of 1-500. The method comprises the steps of reacting dicarboxylic anhydride and diamine in an organic solvent at a temperature below a room temperature to prepare polyamide acid; uniformly dispersing the montmorillonite combined with an alkyl group of C5-C20 into the polyamide acid solution; and preparation the polyimide nanocomposite by imidation of the obtained dispersion.