baber/WOPTO huggingface dataset:
Patent KR-20030002432-A (KR)
Title: Clock synchronization device
Inventor: HONG SANG HUN
IPC: H03K5/131
Filed: 2001-06-29
Abstract: PURPOSE: A clock synchronizing device is provided, which improves a jitter characteristics even though a low frequency clock signal is inputted, by making a constant phase resolution. CONSTITUTION: A phase detection unit(10) compares phases of an external clock signal and an internal clock signal, and a code generation unit(20,30) generates a code value of N bit according to an output signal of the phase detection unit. A digital/analog conversion unit outputs a voltage corresponding to the code value of the N bit of the code generation unit. A level detection unit(70) compares a reference voltage with the voltage being output by the digital/analog conversion unit, and then outputs a control signal controlling an output voltage value of the digital/analog conversion unit according to the comparison result. And a clock synchronization control unit outputs an internal clock signal by delaying the external clock signal according to a voltage generated by the digital/analog conversion unit. The digital/analog conversion unit comprises a main digital/analog conversion unit(50) outputting a voltage corresponding to upper N-M bit of the code value of the N bit, and a sub digital/analog conversion unit(60) outputting a voltage corresponding to a lower M bit by being enabled according to a control signal of the level detection unit.
Patent KR-20030006418-A (KR)
Title: The composition of refrigerant mixtures for alternating refrigerant r-502
Inventor: CHO SEUNG YEON
IPC: C09K5/04
Filed: 2001-07-12
Abstract: PURPOSE: A combined refrigerant composition with environmentally friendship property is provided to replace known R-502 refrigerant and to directly apply it in common refrigeration applications only by controlling amount of the refrigerant. CONSTITUTION: The combined refrigerant composition comprises 50-80wt.% of propylene(CH3-CH=CH2) as hydrocarbon refrigerant gas and 20-50wt.% of pentafluoroethane(C2HF5) as hydrofluorocarbon refrigerant gas. Alternatively, the refrigerant composition may comprise 69-70wt.% of the propylene, 28-30wt.% of the pentafluoroethane and further 1-2wt.% of any additive selected from a group consisting of carbon dioxide, trifluoroiodomethane(CF3I) and a mixture thereof in order to supplement flammability, smooth flow of refrigerant oil and freezing capacity of the refrigerant.
Patent KR-20030012356-A (KR)
Inventor: HA SANG WOO
IPC: F24F13/06
Filed: 2001-07-31
Abstract: PURPOSE: A diffuser is provided to distribute and control flux of fluid. CONSTITUTION: A diffuser(1) includes a casing(11) formed in cylindrical shape; a pair of cut-off parts(17) cutting off openings formed on both ends of the casing; a pipe connecting part(21) placed on one side of the cut-off parts to be connecting with a tube; a plurality of fluid passing holes(13) placed on the casing for fluid to pass; and an opening and closing control part joined on an inside of the casing to slide and opening and closing the fluid passing holes. A plurality of fluid control holes are placed on the opening and closing control part to be fluidically connected with the fluid passing holes of the casing.
Patent KR-20030012361-A (KR)
Title: A Frontal Airbag System of Vehicle and Control Method thereof
Inventor: LEE JAE HYEOP
IPC: B60R21/16
Filed: 2001-07-31
Abstract: PURPOSE: A front air bag system comprises a proper algorithm to decide whether to operate the air bag, and method for controlling the front air bag system is provided. CONSTITUTION: A front air bag system comprises a speed sensor(10), a rotation sensor(20), a distance sensor(30), a front G sensor(Gravity sensor, 40), a danger determining portion(56) and a microprocessor. The speed sensor detects the speed of the automobile. The rotation sensor detects skid or rotation in frontal collision of the automobile. The distance sensor measures distance to the opposite automobile or an obstacle. The front G sensor senses acceleration of automobile in frontal direction. The danger determining portion decides whether to operate air bag from the signals of the speed sensor, the rotation sensor, the distance sensor, the front G sensor.
Patent KR-20030014853-A (KR)
Title: Discrimanating method of print media
Inventor: LIM DAE HYEOK
IPC: B41J2/435
Filed: 2001-08-13
Abstract: PURPOSE: A method for discriminating a printing medium is provided to discriminate printing media overlapped in distribution of reflective light from the printing media, by applying a normalized ratio. CONSTITUTION: A method for discriminating a printing medium includes the steps of irradiating light to a paper from a light emitting part, detecting light reflected from the paper from a first light receiving part detecting vertical light reflected from the paper and a second light receiving part detecting light reflected at the same angle as an angle incident to the paper(S13); obtaining a ratio by dividing the strength of light of the second light receiving part by the strength of light of the first light receiving part(S14); multiplying an inverse number of a normalization constant which is the ratio by the ratio by using a media sensor mounted at a printer(S15); and discriminating the kind of the paper by referring to the range of the normalization value by papers of a lookup table(S16).
Patent KR-20030017134-A (KR)
Title: Test circuit for semiconductor device
Inventor: KANG YONG GU
IPC: G11C29/00
Filed: 2001-08-24
Abstract: PURPOSE: A test circuit of a semiconductor device is provided which measures a pure maximum operation frequency of a pure logic cell itself without being influenced by a lead frame generated while a clock signal is applied from the external of a chip to an internal circuit. CONSTITUTION: According to the test circuit to measure an operation frequency and a maximum operation frequency of a pure logic cell itself of a semiconductor device, a ring oscillator unit(10) generates a number of internal clock signals having different frequencies by receiving a clock signal received from the external of a test chip. The first multiplexer circuit unit(20) receives a number of internal clock signals generated from the ring oscillator unit and selects one of them. And a circuit(30) measures the operation frequency and the maximum operation frequency of the cell using the internal clock signal received from the first multiplexer circuit unit.
Patent KR-20020020270-A (KR)
Inventor: HIRASAWA KIYOSHI
IPC: B60K11/00
Filed: 2001-09-07
Abstract: PURPOSE: A caterpillar type carrier is provided in which the driving force source is operated smoothly even at the slant ground or the like and the operator's eye sight in the cab is assured to be wide. CONSTITUTION: A caterpillar type carrier comprises a lower traveling structure having caterpillar positioned at both right and left sides and extending in forward and rearward directions, and an upper structure arranged on the lower traveling structure. The upper structure is constituted by an upper structure frame forming a supporting structure, a dump body(13) arranged at the rear side of the upper structure frame to load an article to be transported, a cab(63) positioned at a front side of the dump body and positioned at one side in a lateral direction and arranged at the upper structure frame, a driving force source(64) having an engine(18) and a hydraulic pump(19) and arranged in a lateral direction between the dump body and the cab, and a heat exchanger(65) positioned at the front side of the dump body and positioned at the other side in the lateral direction and arranged in series with the driving force source in a lateral direction.
Patent KR-20030024122-A (KR)
Title: front body structure of vehicle
Inventor: KIM GI CHANG
IPC: B62D25/08
Filed: 2001-09-17
Abstract: PURPOSE: The structure for the front of a vehicle body is provided to improve the rigidity of the front mounting part of a sub frame and a gusset bracket, and to increase the Noise Vibration Harshness(NVH) of a vehicle by reducing the noise of traveling. CONSTITUTION: The front structure of a vehicle body is composed of a front side member extension bracket connected with the front end of a front side member. A radiator support lower outer member and a radiator support lower inner member are conjugated in the structure of box-closed section on the lower end of the front side member extension bracket. The both ends of a gusset bracket(21) located on the lower end of the front side member are joined with the front side member and the radiator support lower inner member. The gusset bracket forming in the shape of a box is opened toward the front and upper of the vehicle body. A reinforcing bracket(32) installed on the upper of a first pipe nut(31) improves the rigidity of the gusset bracket, and is coupled with the inside of the gusset bracket. A second pipe nut(33) placed on the upside of the reinforcing bracket is connected with the first pipe nut. When a sub frame is linked with the gusset bracket by an assembly bolt, the rigidity of a front mounting part for the sub frame and the gusset bracket are improved, and the stability of traveling is increased.
Patent KR-20030031212-A (KR)
Title: S-spring adjusting device for automobile seat
Inventor: JUNG BYEONG TAE
IPC: B60N2/72
Filed: 2001-10-12
Abstract: PURPOSE: A controller for a cushion spring of a seat is provided to adjust intervals or a rear and a front position of each cushion spring to passengers' figure, to keep various figured passengers comfortable, and to supply continuously comfort in a long travel. CONSTITUTION: A cushion spring controller of a seat includes a driving shaft(16a) supported by an upper frame(12a) of a cushion frame(12), having a driving gear(14a), and rotating by an interval control handle(15), a driven shaft(19) rotating freely by a driven gear(18) connected to the driving gear and a driving belt(17), and a plurality of spring holders(13a¯13d) having respective cushion springs(10) and placed in parallel. The spring holders are supported to slide in front and in the rear direction on the upper frame, and each lower end thereof has a gear unit(20a,20b). Pluralities of gear motors(22a¯22d) being a motor structure corresponding to each spring holder in a one-on-one are supported to rotate in situ on the upper frame, and engaged concurrently with the driving gear and the driving belt coupled between the driven gear.
Patent KR-20020033428-A (KR)
Title: Method for producing liquid urethane prepolymer and resin composition
Inventor: MATSUMOTO YASUHIRO
IPC: C08G18/42
Filed: 2001-10-18
Abstract: PURPOSE: To provide a method for producing a liquid urethane prepolymer used as a main material for polyurethane-based resins excellent in durability and mechanical strength and having isocyanate groups which are blocked. CONSTITUTION: This method for producing the liquid urethane prepolymer comprises subjecting (1) a diol selected from a polyoxyaklylene diol, a polyester diol, and a polycarbonate diol to ring-opening addition polymerization reaction with (2) a lactone monomer to form (3) lactone-modified diol, then reacting the formed lactone-modified diol with (4) a polyfunctional isocyanate to form (5) a urethane prepolymer, and further reacting the formed urethane prepolymer with (6) a blocking agent to form the liquid urethane prepolymer having the isocyanate groups which are blocked.
Patent KR-20020073374-A (KR)
Inventor: OGURA TOSHIHIKO
IPC: A61B5/0245
Filed: 2001-11-02
Abstract: PURPOSE: To provide an ankle-brachial blood pressure index measuring apparatus causing less paint to a patient in diagnosing an ankle artery for constriction. CONSTITUTION: Before the pressure of an ankle cuff 18 is built up, for the measurement of blood pressure, to a pressure higher than the highest blood pressure value, the pressure of the ankle cuff 18 is built up to 60 mmHg and an ankle pulse wave WLL is detected. An ankle pulse wave propagation velocity information calculating means 68 calculates the propagation velocity baPWV of the ankle pulse wave on the basis of the ankle pulse wave WLL and a rise feature value determining means 62 calculates U-time. A sharpness calculating means 64 calculates %MAP, and using the baPWV, U-time, and %MAP a preliminary determination means 76 makes a preliminary determination as to whether or not the ankle artery is constricted. If the determination made by the preliminary determination means 76 shows no sign of constriction, then the need to measure the ankle blood pressure value using the ankle cuff 18 is eliminated, so the patient's pain is reduced.
Patent KR-20030037702-A (KR)
Title: Equipment structure of a garbage trash can for cars
Inventor: LEE KYU OK
IPC: B60N3/08
Filed: 2001-11-05
Abstract: PURPOSE: An installing structure of a trash can for a vehicle is provided to install the trash can to a proper site in the vehicle by settling the trash can on one side and equipping a mounting portion to be mounted to an indoor of the vehicle. CONSTITUTION: An installing structure of a trash can(1) for a vehicle comprises the trash can, a first steel plate(110), a second steel plate(120), and a settling stand(130). The first steel plate has a first mounting portion(113) to be mounted to even a curved site in an indoor of the vehicle by being made of ductile steel. The second steel plate is folded in a specific angle as thin steel. The second steel plate is mounted to the first steel plate on an opposite site of the first mounting portion. The setting stand comprises a body(131), a fitting groove and a second mounting portion(135). The fitting groove is formed to the body vertically to the ground. An upper portion of the second steel plate is inserted to the fitting groove. The trash can has a melody chip to play music as opening and closing a lid. Therein, opening and closing of the trash can is informed to a driver.
Patent KR-20020038507-A (KR)
Title: Wide dynamic range transimpedance amplifier
Inventor: KOBAYASHI KEVIN WESLEY
IPC: H03F3/08
Filed: 2001-11-14
Abstract: PURPOSE: A wide dynamic range transimpedance amplifier is provided to improve linearity and to reduce distortion by maintaining low noise input terminal on the emitter proper high input sensitivity. CONSTITUTION: The circuit(100) generally comprises an amplifier block or circuit(102) and a control block or circuit(104). The circuit(102) is implemented as a transimpedance amplifier(TIA). The circuit(102) has an input that receives an input signal(e.g., PR_INPUT). The control circuit(104) has an output(107) that presents a feedback signal(FB) to the input. The control circuit(104) also has an input(110) that receives a signal(VREF) and an input(112) that receives a signal(OUTPUT) presented by an output(114) of the amplifier(102).
Patent KR-20020047006-A (KR)
Inventor: BAEK GWANG HUI
IPC: C12N15/85
Filed: 2001-12-14
Abstract: PURPOSE: The expression vectors for animal cells containing nuclear matrix attachment region(MAR) of human interferon beta gene are provided, thereby increasing the expression of a foreign gene regardless of an insertion site of the foreign gene in a chromosome of a host cell. CONSTITUTION: The expression vectors for animal cells contain nuclear matrix attachment region(MAR) of human interferon beta gene, a promoter and a transcription terminator, in which the promoter is selected from the group consisting of SV40 promoter, CMV(cytomegalovirus) promoter and MMTV(mouse mammary tumor virus); and the expression vectors for animal cells are pPGM-1(KCCM 10232), pPGM-2(KCCM 10338), and pPGM-3(KCCM 10339). The transformed animal cells are produced by transforming host cells with the expression vectors for animal cells selected from pPGM-1(KCCM 10232), pPGM-2(KCCM 10338), and pPGM-3(KCCM 10339), wherein the transformed animal cells are derived from CHO(chinese hamster ovary).
Patent KR-20030050609-A (KR)
Inventor: KWON GI YEONG
IPC: B60G7/00
Filed: 2001-12-19
Abstract: PURPOSE: A trailing arm of a vehicle is provided to improve riding comfort, traveling noise, and traveling performance by increasing impact-damping performance, and to increase NVH(Noise Vibration Harshness) performance. CONSTITUTION: A trailing arm(10) of a vehicle comprises a knuckle-mounting bush(11) combined with a knuckle; a body-mounting bush(12) combined to a body side; a cylindrical knuckle-mounting bush rod(13) with one end formed in one body with the knuckle-mounting bush, and the other end formed toward the body-mounting bush; a cylindrical body-mounting bush rod(14) with one end formed in one body with the body-mounting bush and the other end formed toward the knuckle-mounting bush; and a center bush(15) connecting the tip of the knuckle-mounting bush rod and the tip of the body-mounting bush rod, and damping impact force while varying overall length of the knuckle-mounting bush rod and the body-mounting bush rod in the forward and backward directions of a vehicle body when impact load is input. Thus, impact force is damped while the overall length of the trailing arm is changed variably. Accordingly, performance of the vehicle is sharply improved and riding comfort is improved. And traveling noise is reduced and traveling performance is improved.
Patent KR-20030052761-A (KR)
Title: Device For Polishing The Wafer And Method Thereof
Inventor: BAE SANG MAN
IPC: H01L21/304
Filed: 2001-12-21
Abstract: PURPOSE: A wafer polishing apparatus and a method thereof are provided to be capable of preventing the scratch of the surface of a wafer by carrying out a CMP(Chemical Mechanical Polishing) process on the wafer using an UV(UltraViolet) lamp, a developing apparatus, and an etching apparatus. CONSTITUTION: A spin chuck(6) capable of rotating at a predetermined speed, is installed at the lower portion of a chamber(7) for loading a wafer(1). An UV lamp(10) is installed at the chamber(7) for exposing a photoresist layer(5) formed on the wafer(1) by generating ultraviolet rays. A developing apparatus(8) is installed at the chamber(7) for developing the photoresist layer. An etching apparatus(9) is installed at the chamber(7) for etching the photoresist layer. Preferably, a wet etching apparatus is used as the etching apparatus.
Patent KR-20030054600-A (KR)
Title: Method for refining extra low carbon steel and lance used therein
Inventor: LEE GYE YEONG
IPC: C21C7/072
Filed: 2001-12-26
Abstract: PURPOSE: An ultra-low carbon steel refining method for positively suppressing reaction of the injected material with molten steel as promoting slagging of injected material, thereby overcoming demerits caused by reaction of slag with molten steel and improving efficiency of injected slag forming material, and lances used for refining the ultra-low carbon steel are provided. CONSTITUTION: In gas blowing lances(200) used in refining of ultra-low carbon steel for performing decarburizing and deoxidizing in pressure reduction and refining process after forming ladle slag through bubbling with being dipped into molten steel tapped into ladle from refining furnace, the gas blowing lances for refining ultra-low carbon steel are characterized in that each of the gas blowing lances is positioned in the range of 1/4 to 1/8 of diameter of the ladle in a ladle diameter direction, 3 or more gas blowing holes are formed on each of the lance(200), one gas blowing hole(210) of the gas blowing holes is directed to a circle center direction of cross section of the ladle while other two gas blowing holes(220) of the gas blowing holes are directed to an outer direction of the ladle, cross sectional area of the one gas blowing hole(210) formed in the center direction of the ladle is the same as the sum of cross sectional areas of the two gas blowing holes(220) formed in the outer direction of the ladle, and molten steel and slag are agitated by blowing 0.03 to 0.2 Nm¬3/hr of gas per ton of molten steel into the ladle, wherein the blowing holes formed in the outer direction of the lance are angled to an angle of 45 to 90 degrees each other.
Patent KR-20010053452-A (KR)
IPC: C09K23/00
Filed: 1999-07-02
Abstract: A continuous bulk polymerization and esterification process includes continuously charging into a reaction zone at least one ethylenically unsaturated acid-functional monomer and at least one linear or branched chain alkanol having greater than 11 carbon atoms. The process includes including maintaining a flow rate through the reaction zone sufficient to provide an average residence time of less than 60 minutes and maintaining a temperature in the reaction zone sufficient to produce a polymeric product incorporating at least some of the alkanol as an ester of the polymerized ethylenically unsaturated acid-functional monomer. The polymeric product is used in various processes to produce water-based compositions including emulsions and dispersions such as oil emulsions, wax dispersions, pigment dispersions, surfactants and coatings which contain the polymeric product. A polymeric surfactant includes at least one ethylenically unsaturated acid- functional monomer which has been radically incorporated into the polymeric surfactant and at least one ester of the incorporated ethylenically unsaturated acid-functional monomer which has a linear or branched chain alkyl group with greater than 11 carbon atoms. The molar critical micelle concentration of the polymeric surfactant is less than 1.0 x 10-2 moles/liter. Aqueous 2 percent neutralized solutions of certain polymeric surfactants have a surface tension of less than 45 mN/m at 30 °C and exhibit a decrease in surface tension of at least 5 mN/m as the temperature warms from 30 °C to 50 °C.
Patent KR-20010053582-A (KR)
Title: 상대 운동 발생기
IPC: B65G43/00
Filed: 1999-01-14
Abstract: 본 발명의 상대 운동 발생기(10,20)는 작업 영역(16,26) 내에서 연속 이동 라인(11,24)의 가속도, 속도, 변위, 체류 시간 및/또는 체류 위치를 동적으로 변화시킬 수 있다. 상대 운동 발생기(10,20)는 특히, 하나 이상의 작업부(17,50,52,54,56)를 지나는 연속 이동 라인(11,24)을 인덱싱하는 데 적합하다. 연속 이동 라인(11,24)은 분할된 구성 요소와 함께 또는 이 구성 요소 없이, 컨베이어 벨트, 분할된 구성 요소를 포함하는 부품 취급 시스템, 체인 구동 장치 또는 연속 웹일 수 있다. 상대 운동 발생기(10,20)는 연속 이동 라인(11,24)의 작업 영역(16,26)을 지지하게 하는 슬라이더 조립체(10A,32)에 장착되는 제1 지지체(13,34) 및 제2 지지체(14,36)를 포함한다. 프로그램 가능한 액추에이터 시스템(40)은 상기 슬라이더 조립체(10A,32)를 병진 경로(18,38)를 따라 이동시켜 공칭 운동과 다른 작업 영역 운동을 발생시키게 되어 있다. 작업 영역 운동은 슬라이더 조립체(10A,32)가 고정 지점(17)에 대해 정지되는 경우의 공칭 운동과 동일하다. 병진 경로는 원형, 직선형 또는 곡선형일 수 있다.
Patent KR-20010084901-A (KR)
Title: Multiple channel duct assembly for cables
Inventor: BYUN MOO WON
IPC: B29C48/11
Filed: 2000-05-13
Abstract: PURPOSE: A multiple channel duct assembly for cables is provided to make it possible to rapidly install an optic fiber cable or an electric wire, to reduce a number of connection portion between ducts, and to improve intensity and flexibility. CONSTITUTION: The multiple channel duct assembly for cables comprises of a plurality of plastic inner ducts(10) contiguous, co-directionally extending, substantially parallel, in abutting contact with each other, each of the inner ducts(10) having the cross sectional areas sufficient to contain at least one cable and a plastic outer duct(20) encircling the inner ducts over their entire length to retain them in their contiguous relationship, wherein the outer duct(20) has a corrugated tubular section including a plurality of contiguous ridges(21) and troughs(22) extending over the entire length, whereby the assembly is so flexible that it can be coiled around transportable reels as well as so strong that it can withstand dirt in a trench. The aspect of inner ducts(10) of plastic with less friction provides sufficiently smooth inside surfaces to the inner ducts(10), through which fiber optic cables, electric wires or the likes are inserted.
Patent KR-20020008817-A (KR)
IPC: D05B19/12
Filed: 1999-04-02
Abstract: 직물(12)을 봉제하는 모터(2)에 연동된 미싱바늘(8)과, 직물누름부(10)를 서로 직교하는 X축 및 Y축 방향에 수동으로 이동할 수 있는 2축구동기구(20)와, 이 2축구동기구(20)를 구동하는 X축 모터(124), Y축 모터(126)의 회전각도를 검출하는 인코더(224),(226)와, 이 인코더(224),(226)의 검출치에 따라 2축 구동기구(20)의 원점으로 부터의 X,Y좌표치를 구하는 X,Y좌표치 산출수단과, 2축 구동기구(20)를 적어도 하나의 소정의 미싱바늘(8)의 위치에 수동으로 움직여서, 각 소정의 위치를, X,Y좌표치 산출수단에 의해 구한 X,Y좌표치를 기억하는 RAM(36)과 소정의 위치를 봉제조건 설정키군(56)으로부터 입력된 솔기종류에 대응한 봉제모양을 형성하는 형성수단을 구비한 것이다.