baber/WOPTO huggingface dataset:
Patent KR-20020040113-A (KR)
Title: Surface defect measurement apparatus of wire rod and its method
Inventor: BAE JIN SU
IPC: G01B11/30
Filed: 2000-11-23
Abstract: PURPOSE: A device and method for measuring surface defect of rod wire are provided to measure every kind of surface defect of the rod wire and to be less sensitive to vibration of the rod wire. CONSTITUTION: A device includes a reflector(20); a temperature measuring device; and a control part. The reflector is parabolic and placed to place a focus thereof on a rod wire(1) to receive diffused by the rod wire to reflect in a direction not interfering with the rod wire. The temperature measuring device comprises a linear radiation pyrometer(50) and a signal processor(60) to receive reflected light reflected by the reflector to convert into temperature data. The control part is a computer(70), comparing and analysing temperature data to measure degree of surface defect of the rod wire.
Patent KR-20020041176-A (KR)
Title: tag attacher selectable tag pin
Inventor: KIM CHUN SEON
IPC: B25C1/00
Filed: 2000-11-27
Abstract: PURPOSE: A tag attaching apparatus is provided to prevent the malfunction of the tag attaching apparatus by allowing a user to visually recognize the sort of a tag pin to be used. CONSTITUTION: A knob(18) is installed in a casing(6). A lower portion of the knob(18) is elastically supported by a spring member, so an upper portion of the knob(18) is protruded to an upper surface of the casing(6). The knob(18) is moved up and down by a push panel(12) installed at one side of the casing(6). An arm(14) is coupled to the push panel(12) so as to push the knob(18) downward. A rail is integrally formed with the upper surface of the casing(6). The push panel(12) slidably moves along the rail so as to push the knob(18). The push panel(12) is formed at a front thereof with an inlet(16) adapted for receiving a tag pin.
Patent KR-20020045151-A (KR)
Title: Incentive Escrow E-Commerce System
Inventor: LIM SUNG SIK
Filed: 2000-12-08
Abstract: PURPOSE: An incentive escrow EC(Electric Commerce) system is provided to compensate a demerit of the EC to buy a product without seeing the product by providing a tools paying the product price to a shopping mall operation company and paying the product price to a resident shopping mall in case that a return of the product does not occurred. CONSTITUTION: The incentive escrow EC system comprises a DB(600), a system operation program, an ARS server(520), a web server(510), a payment server(530), a DB server including a DB and a DBMS(Database Management System). The DB comprises a member information table, an order information table, a payment information table, a delivery information table, a product information table, a supplier information table, a stock information table, a code information table and an incentive information table. The system operation program comprises the DBMS(100), an ARS(Automatic Response System) order module(210), a web order module(230) and a reception management module(250).
Patent KR-20020045927-A (KR)
Title: Bluetooth Type Telephone Set Capable of Communicating Data and Sound and Communication Method Using the Same
Inventor: KIM HONG KI
IPC: H04M1/737
Filed: 2000-12-11
Abstract: PURPOSE: A Bluetooth telephone set for supporting data communication and voice communication and a communication method using the same are provided to achieve a data communication function, a radio communication function, and an access point function by configuring a fixed Bluetooth telephone and a portable Bluetooth handset in a single unit. CONSTITUTION: In case that personal computers(34A,34B), Bluetooth telephone main bodies(36A,36B), and handsets or headsets(40A-1-3,40B-1-3) are respectively installed in two homes, the telephone main bodies(36A,36B) can execute generic telephone calls through a PSTN(38) independently. Also the two computers(34A,34B) can perform data communication each other through the Bluetooth telephone main bodies(36A,36B) connected to USB/RS232 communication cables. Voice communication can be carried out between the handsets or headsets(40A-1-3,40B-1-3) if the users know the other side intrinsic number only.
Patent KR-20020048648-A (KR)
Title: A Method of Search using a Variable Search Unit Selection
Inventor: HYUN JAE SEOP
IPC: G06F17/30
Filed: 2000-12-18
Abstract: PURPOSE: A method for searching information according to variable searching unit is provided to search the information by using the objects relevant to each other as a search unit when a satisfied search result is not obtained. CONSTITUTION: A user inputs a search condition to set up a search object and a search unit condition. If web pages have various relations, a search unit is set up with the groups. The search condition is divided or combined by various methods. A search result is obtained by selecting the specific items among the sought items corresponding to the search unit condition. When a search engine(160) is used, a user or a search service providing system searches a processed condition(150). The processed condition is a group of parallel conditions for the easy searching. The search result is outputted after being stored as a temporary internal result(170).
Patent KR-20020049153-A (KR)
Title: Structure for reinforcing apparatus for controlling a height of seat belt for automobiles
Inventor: LEE SEUNG U
IPC: B60R22/20
Filed: 2000-12-19
Abstract: PURPOSE: A reinforcing structure of a height adjustment device is provided to enhance passenger's safety by mounting a pressing prevention block made of plastic material to a slider provided in the height adjustment device. CONSTITUTION: A height adjustment device of a safety belt has a slider(200). The slider(200) is rest on rails(300) inside a center pillar(400). The slider(200) further includes a pressing prevention block(100) at the upper outside thereof in order to interference between the center pillar(400) and a trim(500). When a vehicle collides with another front driving vehicle, a passenger's body weight greatly acts on the height adjustment device of the seat belt due to its inertial force. This inertial force causes the slider(200) positioned inside the center pillar(200) to be deformed in a front downward direction of the vehicle. At this time, the pressing prevention block(100) prevents the interference between the center pillar(400) and the trim(500). This prevents the occurrence of a slip-down phenomenon.
Patent KR-20020049615-A (KR)
Title: Air extractor grille structure for an automobile using a fan
Inventor: DO ROK WON
IPC: B60H1/26
Filed: 2000-12-19
Abstract: PURPOSE: A structure for air extractor grill for automobile using fan is provided to intercept dusts by a cover and a fan, to suppress noise generated in a car room and to improve ventilation of the car room. CONSTITUTION: A fan(11) has a back-lashing preventive device to be rotate in a single direction by difference between indoor pressure and outdoor pressure of a vehicle. An inflow preventive cover(12) is placed on an outer edge of a grill body(10) to prevent dust from flowing in. The fan has blades secondarily preventing foreign matters from flowing into a car room. The grill removes foreign matters twice by the inflow preventive cover and the blades of the fan.
Patent KR-20020050367-A (KR)
Title: Sensing circuit for flash memory device
Inventor: JUNG JONG BAE
IPC: G11C16/26
Filed: 2000-12-21
Abstract: PURPOSE: A sensing circuit of a flash memory device is provided, which reduces a precharge time of a selected memory cell array and therefore improves an operation speed of the device. CONSTITUTION: A voltage is applied a source port of a bit line of a flash memory cell array(20), and the first switching unit applies a voltage to the above flash memory cell array according to the first control signal. The second switching unit controls a potential of a sensing node according to a reference voltage. The third and the fourth switching unit apply a read voltage according to the potential of the sensing node and a read signal. A latch unit(21) maintains the read voltage inputted through the third and the fourth switching unit. And the fifth switching unit initializes the above latch unit according to the second control signal. The first switching unit is an NMOS transistor connected between the flash memory cell array and the sensing node, and the second switching unit is an NMOS transistor connected between the sensing node and a ground terminal.
Patent KR-20020052447-A (KR)
Title: ATM Cell Formation and Testing Apparatus
Inventor: KIM BU SU
IPC: H04L12/24
Filed: 2000-12-26
Abstract: PURPOSE: An apparatus for generating and certifying an ATM(Asynchronous Transfer Mode) cell is provided to certify the performance of an ATM network by generating and transmitting an ATM cell and certifying a received ATM cell. CONSTITUTION: A processor matching unit(100) determines a transmission pattern and a transmission speed of a transmission cell, inputs the determined transmission cell and cell data for cell transmission, and reads the certified result of received cells. A physical matching unit(300) has a physical matching of a synchronous module. A cell generating and certifying unit(200) is matched with the processor matching unit(100) and the physical matching unit(300) for transmitting cells and certifying the received cells.
Patent KR-20020053240-A (KR)
Title: voltage checking device of the keep-phone system
Inventor: LEE GAP YEONG
IPC: H04Q1/28
Filed: 2000-12-27
Abstract: PURPOSE: An apparatus for checking a voltage in a keyphone system is provided to protect other function circuit units from the abnormal state of a specific portion of a keyphone and improve the functionality of the system by installing a current detecting unit in each keyphone rack composed a multi-layer, detecting the voltage abnormal state of a power unit and slots of each rack and an external terminal, and blocking the power of the corresponding portion. CONSTITUTION: A voltage checking unit(13) detects whether internal function circuit units are abnormal. A main processor block(15) outputs a blocking control signal for blocking a power inputted to a corresponding function circuit unit according to abnormal judging signals of the function circuit units of each rack board(1,2). A relay control unit(11) blocks the power inputted to the corresponding function circuit unit through a corresponding relay according to the blocking control signal of the main processor block(15).
Patent KR-20020053589-A (KR)
Title: Semi-active suspension system of the car
Inventor: KIM CHAE SU
IPC: B60G17/015
Filed: 2000-12-27
Abstract: PURPOSE: A semi-active suspension system of a vehicle is provided to improve the traveling experience of a vehicle and the stability of a travel by controlling the variable damping forces of a variable damper and an actuator. CONSTITUTION: A sensor block(100) of a semi-active suspension system of a vehicle includes a first, second, and third acceleration sensors(101a,101b,101c), a vehicle speed sensor(102), a brake sensor(104), a throttle position sensor(105), a front passenger's seat sensor(107), and a rear seat sensor(109). The detecting values of the sensors are inputted to a traveling experience control logic(111) as a first logic and to a vehicle speed sensing control logic(113) as a second logic, to an anti-roll control logic(115) as a third logic, to an anti-dive control logic(117) as a fourth logic, and to an anti-squat control logic(119) as a fifth logic. If the detecting value of the vehicle speed sensor is higher than a predetermined value, the damping force of a damper is improved. Particularly, the damping force corresponding to the sensing positions of the front passenger's seat sensor and the rear seat sensor are changed sensitively.
Patent KR-20020054516-A (KR)
Title: A device of caller data processing by using processor
Inventor: PARK GYEONG BOK
IPC: H04M1/57
Filed: 2000-12-28
Abstract: PURPOSE: A caller information data processing apparatus using a processor is provided to modulate the caller information as FSK(Frequency Shift Keying) at a lower price by using a 8 bit processor and an FSK production logic circuit and then transmit the modulated information. CONSTITUTION: A DP(Device Processor)(10) outputs ID information of a caller to a DA(Direct Access) bus as a signal of 16 bits. A DP RAM(Dual Port RAM)(20) records the information of the caller of 16 bits and simultaneously outputs stored data. A 8 bits processor(35) reads and processes the data stored to the DPRAM(20) by a unit of 8 bits and thereafter outputs a 10 bits data signal by adding start and stop bits. An FSK unit(55) receives and stores data output from the processor(35), modulates the data as FSK and thereafter outputs the data as serial data. An SHW(Sub High Way) unit(65) receives data signal output in series from the FSK unit(55), matches the signal to the corresponding channel and then outputs the signal.
Patent KR-20020058515-A (KR)
Title: Method for fabricating semiconductor device
Inventor: KIM JONG BONG
IPC: H01L21/334
Filed: 2000-12-30
Abstract: PURPOSE: A fabrication method of semiconductor devices is provided to prevent a short due to voids and to simplify manufacturing processes by forming a nitride spacer at inner sidewalls of a contact hole. CONSTITUTION: After forming a plurality of gate lines on a silicon substrate(61), source and drain regions(65) are formed in the silicon substrate. A BPSG layer(67) is formed on the resultant structure by flowing. Contact holes are formed to expose the source and drain regions(65) by selectively etching the BPSG layer(67). A nitride spacer(69a) is formed at inner sidewalls of the contact holes. Then, a contact plug(70) is formed by filling a polysilicon into the contact hole.
Patent KR-20020059091-A (KR)
Inventor: KIM SEUNG KON
IPC: A61H39/06
Filed: 2000-12-30
Abstract: PURPOSE: A method for manufacturing a wet moxa sheet is provided to achieve the wet moxa sheet capable of treating various disease while preventing a user from being burned or damaged. CONSTITUTION: The method for manufacturing a wet moxa sheet is comprised of steps of mixing mugwort powder in various herb medicine powder to prepare a wet moxa material(100), and then kneading the wet moxa material by adding a brewing vinegar of 40cc and water of 20cc on the basis of the powder mixture of 60g, and finally molding a dough into a sheet form having a constant thickness. The manufactured wet moxa sheet is packed in a bag(110).
Patent KR-20010022288-A (KR)
Title: Ｉｃ카드 및 ｉｃ카드용 평면 코일
IPC: G06K19/077
Filed: 1999-05-28
Abstract: IC카드의 박형화를 도모하고, 제조 효율을 올려서 제조 비용을 내린다. IC카드는 전극을 갖는 반도체 소자(14)와, 도선(12b)을 동일 평면 내에서 권회하여 되고, 양단에 단자(12a)를 갖는 평면 코일(12)과, 상기 평면 코일의 양단의 단자와 상기 반도체 소자의 전극을 전기적으로 접속하는 본딩 와이어(16)와, 상기 반도체 소자, 평면 코일 및 본딩 와이어(16)를 양면에서 끼워넣어 봉지하는 수지 필름(10)을 구비하는 1C카드에 있어서, 상기 반도체 소자(14)는 상기 평면 코일(12)의 두께보다도 얇고, 상기 평면 코일(12)의 두께의 범위 내로 또한 상기 평면 코일의 도선과 간섭하지 않는 평면 영역에 배치되고, 평면 코일의 도선의 상기 본딩 와이어(16)가 통과되는 표면 부위에, 상기 본딩 와이어가 상기 평면 코일의 두께의 영역에서 돌출하는 일이 없이 통과할 수 있는 박육부(12c)를 형성하고 있다.
Patent KR-20010023226-A (KR)
Title: 상승 효과를 나타내는 제초제 혼합물
IPC: A01N47/16
Filed: 1998-08-27
Abstract: 본 발명은 잡초 방제에 관한 것으로서, 본 발명의 잡초 방제 방법은 약 500:1 내지 30:1 중량비의 몰리네이트 및 옥시플루오르펜을 함유하는 제초제 조성물을 벼 작물의 존재 하에서 작물, 잡초, 또는 이들 중 하나의 분포지에 살포하는 것이다.
Patent KR-20010024163-A (KR)
Title: 밀착 만곡형 디지탈 광학 스위치
IPC: G02F1/313
Filed: 1998-09-23
Abstract: 만곡형 리지(ridge) 도파관(600)을 포함하는 광학 굴절률 스위치가 개시되어 있다.  그러한 도파관 주위의 클래딩은 밀착 만곡형 광학 스위치를 만들어 내도록 선택적으로 에칭된다.
Patent KR-20010031197-A (KR)
Inventor: RONDEAU CHRISTINE
IPC: A61K/
Filed: 1999-07-28
Abstract: 본 발명은 적합한 염색용 매질내에 특정 화학식의 양이온성 직접 염료 하나 이상을 함유하는, 케라틴 섬유, 특히 모발과 같은 인간의 케라틴 섬유 염색용 조성물에 관한 것으로, 이것은 하나 이상의 사차 암모늄염을 함유하는 것을 특징으로 한다.     본 발명은 또한 이를 사용한 방법 및 장치에 관한 것이다.
Patent KR-20010031317-A (KR)
Title: 회전 기판을 가진 빠른 열적 가공(ｒｔｐ) 장치
IPC: H01L21/00
Filed: 1998-10-23
Abstract: 본 발명은 빠른 열적 가공(RTP) 챔버에 관한 것으로, RTP 챔버내에서 처리되는 기판이 기판을 가열하는 램프에 대해 회전하도록 기판을 지지하는 챔버의 하나의 벽이 챔버의 나머지에 대해 회전한다.
Patent KR-20010024733-A (KR)
Title: 열가소성 수지의 압출 방법
IPC: B29C48/30
Filed: 1998-12-17
Abstract: 본 발명은 낮은 정도의 표면 거칠기를 가진 압출물을 제공하기 위하여 니켈다이를 통해 조성물을 압출함으로써 열가소성 수지 조성물을 가공하는 방법에 관한 것이며, 상기 조성물은 (A)100 중량부의 열가소성 수지; (B) 적어도 10,000의 수평균분자량을 가진 0.01 내지 1 중량부의 히드록시-작용성 디오르가노폴리실록산; 및 (C) 0.001 내지 1 중량부의 유기인 화합물을 포함한다.
Patent KR-20010024811-A (KR)
Title: 디지털지도 데이터처리장치 및 디지털지도 데이터처리방법
IPC: G06T17/05
Filed: 1998-12-16
Abstract: 본 발명은 정확한 도로지도의 작성에 유용하고, 특히 작성한 도로지도에 의거하는 이동차량의 네비게이션이나 차량제어에 활용할 수 있는 디지털지도 데이터처리장치 및 디지털지도 데이터처리방법이다. 
     지도화상처리국(16)은 지표면의 사진데이터를 대위성통신국(14)을 개재하여 취득하고, 화상처리부(20)가 상기 사진데이터를 실질적으로 바로 위에서 본 왜곡이 없는 오르소화상 데이터로 변환처리한다.  데이터추출부(22)는 상기 오르소화상 데이터에 의거하여 도로 및 관련하는 입체정보로 이루어지는 스켈톤맵(도로망 데이터)을 추출하고, 다시 데이터변환부(24)에서 상기 스켈톤맵으로부터 기본도로 데이터를 산출하고, 지도작성부(28)에서 필요한 속성데이터를 중첩하여 왜곡이 없는 정밀도 높은 디지털 오르소지도 데이터를 작성하여 송신부(30)를 거쳐 차량(18)에 전달하여 네이게이션제어나 주행제어에 이용한다.
Patent KR-20010033802-A (KR)
Title: 동적 튜닝이 있는 플라즈마 방전 장치 및 방법
IPC: H01L21/302
Filed: 1998-12-31
Abstract: 동적 튜닝이 있으며, 기판으로부터 재료를 제거하기 위한 플라즈마 방전 장치 및 방법은 작동 조건의 어떤 범위에 걸쳐 작업 가스의 다양성을 가지는 작동을 허용한다. 수직방향으로 연장하는 마이크로웨이브 공동(2)은 단부에서 마이크로웨이브트랩(20, 22)에 의해 정의되며, 그 위치는 자동으로 조정 가능하여 동적 튜닝을 제공한다. 조정 가능한 안테나가 제공되며, 작동은 TM 012 모드를 이용한다.
Patent KR-20010041923-A (KR)
Title: 전자기 잠금 기구
IPC: E05B47/06
Filed: 1999-03-17
Abstract: 본 발명의 전자기 잠금 기구는 (a) 정상 돌출 고정 위치와 인가된 외부 개방력에 의한 회전시의 후퇴된 고정 해제 위치 사이에서 회전 및 왕복 가능한 회전 고정 볼트(65), (b) 회전 고정 볼트(65)와 연속적인 맞닿음 결합 상태에 있고, 회전 고정 볼트(65)를 정상 돌출 고정 위치로 가압하기 위한 정상 외향 편의 위치와 회전 고정 볼트의 인가된 회전시의 후퇴 위치 사이에서 선형 왕복 가능한 고정 볼트 가압 부재(67), 및 (c) 정상 외향 편의 위치로부터 회전 고정 볼트(65)의 인가된 회전시의 상기 후퇴 위치까지 상기 고정 볼트 가압 부재(67)의 후방 변위를 각각 방지하고 가능하게 하기 위한, 회전 고정 볼트(65)의 정상 돌출 고정 위치의 차단 위치와 차단 해제 위치 사이에서 왕복 가능한 차단 부재(131)를 포함한다.
Patent KR-20010074477-A (KR)
Title: 혈당 강하제
IPC: A61K36/899
Filed: 1999-04-16
Abstract: 본 발명은 옥수수 수염의 추출물을 유효성분으로 하는 혈당 강하제 및 이를 함유하는 음식품에 관한다.
Patent KR-20010024978-A (KR)
Title: 두 부재를 상대적으로 이동시키기 위한 장치
IPC: B25J17/02
Filed: 1999-04-29
Abstract: 두 부재(1, 2)를 상대적으로 이동시키기 위한 장치로서, 상기 장치는, 3 개의 링크 장치(A, B, C)와, 이 링크 장치를 구동시키기 위한 구동 수단(3, 4, 5)을 포함한다.   상기 링크 장치(A, B, C)는 전방 아암 및 상부 아암 요소를 포함한다.    상기 전방 아암 요소는 힌지 장치에 의해  상부 아암 요소(6, 7) 및 제 2 부재(2)에 각각 연결된다.
Patent KR-20010052343-A (KR)
Title: 열안정성이 양호한 용융성형용 결정성 폴리이미드
IPC: C08G73/10
Filed: 1999-05-13
Abstract: 분자말단이 화학식(2) 및/또는 화학식(3)으로 이루어진 화학식(1)로 표시되는 반복단위를 지닌 열안정성이 양호한 열가소성 폴리이미드는, 수식(1) 및/또는 수식(3)에 의해 산출된 용융점도비가 수식(2) 및/또는 수식(4)로 표시되는 수치영역내인 것을 특징으로 하고, 또, 상기 폴리이미드의 제조에 사용되는 화학식(3)으로 표시되는 1,3-비스(4-아미노페녹시)벤젠은, 아조화합물의 함량이 0.0 내지 0.2%인 것을 특징으로 한다. 
     본 발명의 열가소성 폴리이미드는, 하기 ① 내지 ④의 우수한 특성을 지닌다.   즉, ① 용융시의 열안정성이 우수하다.   즉, 시간경과에 따른 용융시의 유동성의 저하도가 작고, 종래의 용융성형에 적용하는 것이 가능하다.   ② 내열성이 높다.   ③ 생산성이 우수하다.   ④ 치수정확도가 우수하다.
Patent KR-20010043765-A (KR)
IPC: A23F5/24
Filed: 1999-07-15
Abstract: A ready-to-serve coffee product which provides a refreshing beverage or topping. The product is a black, coffee containing liquid in an aseptically filled container. The liquid has a fresh, clean taste and may contain more than 2% by weight of soluble coffee solids. The liquid is produced by extracting coffee solids from roast and ground coffee at a draw-off ratio of less than about 3. The concentration of soluble coffee solids in the coffee extract is then adjusted to less than about 5% by weight under oxygen-reduced conditions.
Patent KR-20010072599-A (KR)
Title: 직기의 얀 공급기용 얀 브레이크
IPC: D03D47/36
Filed: 1999-06-10
Abstract: 본 발명은 둥근 후퇴 림(5)을 갖는 공급기 저장 드럼(D)용 얀 브레이크(B)에 관한 것으로, 상기 얀 브레이크(B)는 내향 주연방향 연속 브레이크 용 캐리어로써 반경방향으로 변형 가능한 재료의 원추대 브레이킹 본체(1)를 포함하고, 상기 브레이킹 본체(1)는 정지상태의 홀딩 장치 내에 지지되어 있고 홀딩 장치(H)에 대해 브레이크 표면(2)을 중심설정하여 축방향으로 편향시키는 홀딩 장치(H)에 결합된 적어도 주연방향으로 이격된 분리 스프링 설부(T)로 구성된 스프링 조립체(S)를 포함하고, 상기 브레이킹 본체(1)는 각각이 브레이킹 본체(1)의 원추대 부분의 모선(G)으로부터 외향으로 절곡된 중심설정식으로 배열된 만곡 스프링(C)의 그룹에 의해 지지된다.
Patent KR-20010053255-A (KR)
Title: 3'-엑소뉴클레아제, 이의 제조 방법 및 용도
IPC: A61K39/395
Filed: 1999-06-17
Abstract: 본 발명은 동물 또는 사람 세포의 조악한 추출물의 크로마토그래피적 정제에 의해 수득된 폴리(A)-특이적인 3'-엑소뉴클레아제 활성, 및 핵산의 3'-폴리(A) 꼬리의 탈아데닐화에서 약제, 진단제로서의 이의 용도 또는 기능성 상호작용인자를 확인하기 위한 이의 용도에 관한 것이다.
Patent KR-20020060330-A (KR)
Title: Apparatus and method for compesating temperature of head substrate for inkJet printer
Inventor: KIM JEONG HWAN
IPC: B41J2/235
Filed: 2001-01-10
Abstract: PURPOSE: A device and method for compensating temperature of head base plate of ink jet printer is provided to compensate temperature of the head base plate appropriately to optimum printing condition. CONSTITUTION: A device includes a temperature measuring part(30) measuring temperature of a head base plate and outputting measuring signal with level corresponding with measured temperature; a comparison part(34) comparing the measuring signal with reference signal with level corresponding with reference temperature; a heating part(38) heating the head base plate; and a heating driving part(36) driving the heating part in response to the result of comparison in the comparison part.
Patent KR-20020063010-A (KR)
Title: A polyurethane urea elastic fiber with low orientation and crystallization under elongation, and a process of preparing for the same
Inventor: JUNG HYEON JIN
IPC: D01F6/70
Filed: 2001-01-26
Abstract: PURPOSE: A polyurethane-urea elastic fiber which is characterized by being free from change of modulus by having low orientation crystallinity on elongation, increasing quality and a post-processability and preventing uneven dyeing because grey yarn has equal tension, and a manufacturing method thereof are provided. CONSTITUTION: The polyurethane-urea elastic fiber is obtained by polymerizing polyol having high molecular weight, diisocyanate, chain extender and chain terminator to produce polyurethane-urea polymer on one-step or two-steps and spinning. Diamine type compound and triamine type compound having a branch structure are used as the chain extender. The polyurethane-urea elastic fiber is characterized by having polyurethane bond and polyurea bond repeatedly and maintaining a random condition of soft segments in fiber molecule on 200-300% of elongation.
Patent KR-20020065701-A (KR)
Title: Board for filing nails and method for manufacturing it
Inventor: HWANG JAE GWANG
IPC: A45D29/12
Filed: 2001-02-07
Abstract: PURPOSE: A board for cleaning nails and a manufacturing method thereof are provided to improve the appearance of the board while maintaining various functional advantages, thus increasing a purchasing power for products. CONSTITUTION: The board(10) for cleaning nails is comprised of a center plate material(4) made of synthetic resin, buffer portions(3) made of ethylene vinyl acetate, which are attached to the both sides of the plate material, an abrasion sheet(5) attached to one of the buffer portions, and a hologram sheet(1) attached to the other one of the damping portions, and an abrasion part(2) onto which abrasive stones are scattered and adhered is formed on the hologram sheet.
Patent KR-20020006572-A (KR)
Title: Optical recording medium having read-only storage area and writable storage area and recording/reproducing apparatus and method therefor
Inventor: CHOI BYEONG HO
IPC: G11B7/007
Filed: 2001-02-23
Abstract: PURPOSE: An optical recording medium and recording/reproducing apparatus and method for the recording medium are provided to enable mass production of the optical medium, the optical recording medium including a reproduction-dedicated storage area and a writable storage area and having compatibility with DVD standard. CONSTITUTION: An optical recording medium(40) includes a reproduction-dedicated storage area(44), a writable storage area(50), a reproduction-dedicated lead-in area having the first control information for both of the two storage areas, and a recordable lead-in area having the second control information related with the recordable storage area. An apparatus for storing/reproducing data in/from the optical recording medium includes a system controller and a storage and/or reproduction unit. The system controller generates identification information indicating that the optical recording medium is a hybrid disc having the reproduction-dedicated storage area and the recordable storage area. The storage and/or reproduction unit stores data in the storage areas or reads data from the storage areas based on the identification information.