baber/WOPTO huggingface dataset:
Patent KR-20000051206-A (KR)
Inventor: KIM WANG SUK
IPC: C07D213/61
Filed: 1999-01-19
Abstract: PURPOSE: A process for preparing 2-chloropyridine by using pyridine-N-oxide as a starting material which enables the preparation of the title compound in good yields and with high selectivity. CONSTITUTION: A 2-chloropyridine useful as intermediates for insecticides, pharmaceuticals, dyestuffs or else herbicides is prepared by dissolving pyridine-N-oxide in an aromatic organic solvent and reacting with phosphorous-based chloride or sulfide-chloride in the presence of a phase transfer catalyst. The aromatic organic solvent is selected from the group consisting of benzene, totuene, xylene, and cyclohexane. The phosphorous-based chloride or sulfide-chloride is POCl3 or SO2Cl2.
Patent KR-20000056839-A (KR)
Inventor: HWANG TAE IN
IPC: F15B21/02
Filed: 1999-02-26
Abstract: PURPOSE: A hydraulic system utilizing an artificial neural network and a method of controlling such system are provided to reduce cost and time period for development and allow an active measurement against change in work condition like wear of equipment. CONSTITUTION: A system(1) comprises a hydraulic cylinder device(20) constituted by a cylinder(9) and a piston(11), a hydraulic pump(10) for supplying working fluid, and a control valve(8) for selectively supplying the working fluid from the pump(10) to each chamber, the system(1) further comprising a tabular method control logic unit(5) having a lookup table consisting of selectable control valve control values and using a control input and an output from the hydraulic cylinder device(20) as an output variable, the unit(5) receiving the control input and output from the device(20) and outputting a table control value; an artificial neural network control logic unit for receiving the control input and the output from the device(20), studying a relation between the control input and the output from the device(20), and outputting a control value for the control valve(8); and an adder(3) for adding the table control values and the control value output from the artificial neural network control logic unit and providing the added value to the control valve as a corrected control value.
Patent KR-19990077543-A (KR)
Title: 가변저항기
IPC: H01C10/32
Filed: 1999-03-03
Abstract: 본 발명은  케이스(1)내에 있어서의 샤프트(5)와 로터(3)의 걸어맞춤부가 느슨해지는 것을, 축 압착이 아니라 반경하에서 O링의 복원력에 의하여 방지하며, 또한 열적 스트레스가 가해지더라도 기밀성을 확보할 수 있는 가변 저항기가 제공된다. 
     본 발명의 구성에 의하면, 케이스(1)내에 로터(3) 및 슬라이더(4)를 수납하고, 케이스(1)의 하단부에, 표면 중앙부에 형성된 집전 전극(collector electrode;25) 및, 그 집전 전극(25)의 외주에 동심적으로 형성된 원형의 저항체(24)를 갖는 저항 기판(2)을 걸어맞춘다. 케이스(1)의 상면에, O링(6)의 외주면 및 하면을 지지하는 단차면(12)을 형성한다. 샤프트(5)에는, O링(6)의 내주면과 접촉하는 보스부(55) 및, 케이스(1) 상면에 돌출하며 단차면(12)을 피복하는 조작부(51)가 형성된다. O링(6)의 내주면 및 외주면이 케이스의 단차면(12) 및 샤프트(15)의 보스부(55)에 압축되어 접촉된다. O링(6)의 상하 어느 한 단면 및 단차면(12) 또는 조작부(51)의 하면 사이에는 틈새 δ가 형성되어 있다.
Patent KR-20000059639-A (KR)
Inventor: KIM CHANG JUN
IPC: F24F13/00
Filed: 1999-03-05
Abstract: PURPOSE: An outdoor unit grill of an air conditioner is provided not to disturb the air flow caused by a fan and minimize the air resistance, thereby reducing the noise while maintaining the amount of the wind equal to previous structure. CONSTITUTION: An outdoor unit grill(50) of an air conditioner includes lattice strips(55) having a predetermined width and arranged perpendicularly each other in a structure that one side lattice strips(55a) are closely arranged and the other side lattice strips(55b) is sparsely arranged, and the grill is divided into three parts in a longitudinal direction, of which upper and lower parts(51,53) have a same structure and a middle part(52) has a contrary structure in which the arrangement of the lattice strips is opposite to the upper and lower parts in the closely and sparsely arranged parts.
Patent KR-19990077653-A (KR)
Title: 과분지된중합체
IPC: C08G77/48
Filed: 1999-03-06
Abstract: 본 명세서에는 화학식 1의 매크로모노머(macromonomer) 및 이의 제조방법이 기재되어 있다. 
     화학식 1 
     A x L B y   
     위의 화학식 1에서, 
     A는 알케닐 함유 그룹 또는 알키닐 함유 그룹이고, 
     B는 화학식 -OSiR 2 H의 SiH 함유 그룹이며, 
     x 및 y 중의 하나는 1이고 다른 하나는 2 또는 3이고, 
     L은 화학식(R 2 SiO) n 의 폴리실록산 잔기를 포함하는 스페이서 그룹이며, 
     R은 서로 독립적으로 알킬 그룹, 할로알킬 그룹 또는 아릴 그룹이고, 
     n은 3 이상의 정수이다. 
     또한, 본 명세서에는 위에서 언급한 바와 같은 매크로모노머를 VIII족 금속을 포함하는 촉매와 접촉시킴을 포함하는, 과분지된 중합체의 형성방법 및 이렇게 하여 수득한 중합체가 기재되어 있다.
Patent KR-20000060519-A (KR)
Inventor: MUN SEUNG HYEON
IPC: G01R33/24
Filed: 1999-03-16
Abstract: PURPOSE: An apparatus for measuring a magnetic field is provided to increase an amplification degree of a transformer amplification circuit and a bandwidth of the transformer amplification, and minimizes an input impedance and increases an output voltage level by making a parallel SQUID or a serial SQUID. CONSTITUTION: A magnetic field measurement device includes a sensor, an amplifier(11,13), a phase transition part, a mixer(12), and feedback part. The sensor is made of many superconduction quantum devices. The amplifier amplifies an output voltage of the sensor. The phase transition part outputs a phase transition signal corresponding to the external phase control signal. The mixer mixes an output signal of the amplifier and an output signal of the phase transition part. The feedback part applies a feedback magnetic flux to the sensor by using an output signal of the mixer(12). Thereby, the apparatus for measuring a magnetic field increases an amplification degree and a bandwidth of a transformer amplification circuit.
Patent KR-19990082826-A (KR)
Title: 반도체메모리장치
IPC: H01L21/8242
Filed: 1999-04-01
Abstract: DRAM은 메모리 셀 트랜지스터를 각각 포함하는 다수의 메모리 셀과 저항 소자를 갖는 주변 회로를 구비한다. 셀 트랜지스터의 확산 영역(13)과 접속하여 접촉 플러그(19, 20)와 공통 층으로부터 형성된 저항 소자(21)는 셀 트랜지스터의 게이트 전극(15)과 공통 층으로부터 형성된 더미 패턴(16) 상에 배치된다. 접촉 플러그(19, 20)와 저항 소자(21)에 대한 동일한 레벨은 우수한 미세 패턴을 제공하고, 그로 인해, DRAM의 칩 사이즈를 감소시킨다.
Patent KR-20000065746-A (KR)
Inventor: HAN YONG HUI
IPC: G11B7/09
Filed: 1999-04-08
Abstract: PURPOSE: A method of controlling a track jump of optical recording/ reproducing apparatus stably performs the track jump in a land/groove recording type optical disk. CONSTITUTION: A method of controlling a track jump of optical recording/reproducing apparatus comprises steps of detecting a rising edge of a second electric signal when a first and second electric signal is output from both optical detecting device divided into two parts in a track direction in proportion to the amount of light reflected, checking a level of the first electric signal in the detected rising edge of the second electric signal and determining a track jump direction. In the method, the rising edge detecting step comprises steps of respectively slicing the first and second electric signal into a reference level and converting the signal into a spherical wave, and then detecting the converted second electric signal. In the direction determining step, if the converted first electric signal is in a low state, it is regarded that the track jump is moved from an inside to an outside.
Patent KR-20000065873-A (KR)
Title: Device for encoding video information of mpeg-4 encoder and thereof method
Inventor: KWON JI HEON
IPC: H04N19/20
Filed: 1999-04-09
Abstract: PURPOSE: An apparatus for coding image information of an mpeg-4 encoder and method thereof are provided to divide an edge block merge/separation information detector into an edge block merge detector and an edge block separation information detector. CONSTITUTION: An apparatus for coding image information of an mpeg-4 encoder includes an outer area padder(1100), an object edge block merge/separation information detector(1200), an object edge block merger(1300), a discrete cosine transform(DCT)(1400), a quantizer(1500) and a DCT coefficient and related information encoder(1600). The outer area padder(1100) receives an original image information or an image error information and pads the area outside of the object by using a shape information for padding. The object edge block merge/separation information detector(1200) receives a recovered shape information, determines whether the object edge block is to be merged or be divided so as to detect an object border block merge/separation information. The object edge block merger(1300) receives the image signal padded in the outer area padder and mixes the image signal at the object edge block by using the merge/separation information input from the object edge block merge/separation information detector. The DCT(1400) performs discrete Fourier transformation on the image information from the object edge block merger.
Patent KR-20000066914-A (KR)
Inventor: TAN HONG TOK
IPC: A44C5/00
Filed: 1999-04-21
Abstract: PURPOSE: An elastic watch chain is provided to easily attach and detach the chain by connecting a horseshoe-shaped main chain on a lower end of both hook plate, by inserting the elastic watch chain to each wing width and connecting an anchor hook of both hook plates. CONSTITUTION: Upper hooks(21, 22) of both hook plates(20A, 20B) are hanged and connected separately on upper width space(43, 43) of both wing parts in a watch case(40). Both terminal parts(11A, 11B) of a horseshoe-shaped main chain are respectively connected to the lower parts of both hook plates(20A, 20B). The elastic chain(30) for connecting to both A and B is extended toward both wing part(42A, 42B) directions at the center of a lower surface(41) of the watch case. Both end parts(31,31) are inserted to the upper inserting space(46) between each upper width space(43) and lower width space(44). The watch chain(30) is extended toward the down direction according to the lower width space(44) and connected to anchor hooks(22, 22) of both hook plates(20A, 20B). The elastic watch chain is easily attached or detached with neat finishing without any folding or joint.
Patent KR-20000075317-A (KR)
Inventor: YOON JU HAN
IPC: A47L5/00
Filed: 1999-05-31
Abstract: PURPOSE: Provided is an identifier for identifying collection of contaminated matters in vacuum cleaner, which is mounted between extension pipes, thereby users can identify the contaminated matters directly. CONSTITUTION: The identifier comprises a case(13) of which one side is separably connected with one extension pipe(6) and the other side is separably connected with the other extension pipe(6), wherein the case(13) can be divided into tow parts, a filter(16) inserted into the case(13) to filter the contaminated matters.
Patent KR-19990083707-A (KR)
Title: 일측말단에알킬아미노기와타측말단에설포네이트기를함유하는폴리부타디엔유도체및그제조방법
Filed: 1999-06-16
Abstract: 본 발명은 일측말단에 알킬아미노기와 타측말단에 설포네이트기를 함유하는 폴리부타디엔 유도체 및 그 제조방법에 관한 것으로서, 종래의 여러 기술에는 각각의 기술이 특정한 악취물질에 대하여만 특이성이 있거나, 운전조건에 따라 탈취효과가 변동되거나, 탈취물질의 교체시기가 짧거나, 고농도의 악취물질에는 취약하거나, 운영경비가 크거나, 2차오염의 문제가 있는 등 각각의 기술에 따라 서로 다른 단점들이 있는 문제점을 해결하기 위하여, 일측말단에 알킬아미노기와 타측말단에 설포네이트기를 함유하는 폴리부타디엔 유도체 및 그 제조방법을 제공하는 것을 특징으로 한다. 
     이러한 본 발명은 황화합물, 암모니아, 메르캅탄류, 아민류, 케톤류등 산업현장 및 일상 생활 주위에서 발생하는 대부분의 악취물질을 흡착하여 냄새를 제거할 수 있으며, 특히 산업현장에서 대기중에 방출되는 유독물질의 제거에 있어서 저비용으로 처리가 가능하며, 근로자들의 작업환경 개선 및 악취원에 장기 노출시 유발될 수 있는 직업병에 대한 예방할 수 있는 효과를 얻을 수 있다.
Patent KR-20010009634-A (KR)
Inventor: CHOI HYEOK JUNG
IPC: H04B7/26
Filed: 1999-07-12
Abstract: PURPOSE: A method for performing a soft handoff in a mobile communication system of a CDMA(Code Division Multiple Access) method is provided to reduce pilot numbers in an active set when pilots of the active set have enough strengths, to efficiently use wireless resources, and to prevent a soft handoff process for adding temporarily-strengthened pilots to the active set, so as to decrease a processing between a mobile station and a base station under a wireless environment. CONSTITUTION: If a pilot strength of a predetermined base station is over a threshold value(T_ADD) capable of being transient to a candidate set from a neighbor set, a mobile station moves a pilot to the candidate set. The mobile station drives a timer for a regular time, and decides whether the pilot strength is over the threshold value(T_ADD). If so, the mobile station decides whether the pilot strength is over a value calculated by a numerical formula 2. If so, the mobile station transmits a pilot strength measurement message to the base station.
Patent KR-20010011581-A (KR)
Inventor: KIM HONG CHIL
IPC: H04B1/40
Filed: 1999-07-29
Abstract: PURPOSE: An alarm device of a mobile communications terminal using an infrared sensor is provided to equip an infrared transmitting circuit, and to calculate a distance between the mobile communications terminal and the outer infrared receiving circuit, so as to previously prevent the mobile communications terminal from being stolen or lost. CONSTITUTION: An infrared transmitting circuit(10) of a mobile communications terminal which generates/transmits an infrared transmitting signal, comprises as follows. A clock generator generates a clock of a 33MHZ period. A counter counts the clock to output a signal of a determined period. A wave form shaping performs a wave form shaping to the signal of a determined period. An infrared transmitting sensor is driven according to the signal of the wave form shaping, and outputs an infrared transmitting signal. An outer infrared receiving circuit(20) which receives the infrared transmitting signal, and generates/outputs an alarm when a distance from a mobile communications terminal is over a determined distance, comprises as follows. An infrared receiving sensor receives the infrared transmitting signal output from the infrared transmitting circuit(10). An amplifier amplifies the signal received from the infrared receiving sensor as a determined level. A detector performs a peak detection for the amplified signal to extract an original signal. A comparator compares a level of the extracted signal with a reference signal, and calculates a distance from the mobile communications terminal. If the distance is over a determined distance, an alarm generator generates/outputs an alarm.
Patent KR-19990083777-A (KR)
Title: 소각잔재물, 슬러지, 연소재를 이용한 토목건축 소재의 제법
IPC: C04B18/06
Filed: 1999-07-31
Abstract: (발명의 명칭) 소각잔재물,슬러지, 연소재를 이용한 토목건축 소재의 제법 
     (목적) 산업체와 도시에서 다량으로 산출되는 각종 폐기물을 매립대신 재활용하여 폐기물에 의한 환경공해를 방지하려는데 있다. 
     (구성) 생활폐기물 및 산업폐기물의 소각잔재물, 슬러지, 연소재, 건축폐자재의 분쇄무기질물 등을 입도와 배합용량을 조절하고 시멘트로 혼합하여 각종 토목건축공사의 벽돌이나 기초 소재 등을 성형하여 매립하지 않고 재활용할 수 있게 한 것이다.
Patent KR-20000017068-A (KR)
Inventor: COSTER CHRISTOPE
IPC: B01J4/02
Filed: 1999-08-04
Abstract: PURPOSE: A device is provided to easily produce, to be produced at low costs, and to more simply wash. CONSTITUTION: A first device to deliver a viscous fluid as measuring contains:an inhaling channel(20) supplied a fluid; a delivering channel(21) delivered the fluid; a valve(17) to be able to move in two positions. End units(5, 6) of one single channel(4) is alternatively connected in the inhaling channel(20) or in the delivering channel(21) through the valve(17), and a slide(2) moves toward and forward between two positions(E, F) inside the channel(4) to deliver the fluid as measuring. A piston delivers the fluid of specific amount from a first chamber(42) to a second chamber(43) by changing the distance between faces facing the piston.
Patent KR-20010016861-A (KR)
Title: Process for producing polyester hot melt adhesive composition for fabric
Inventor: CHOI YANG HUI
IPC: C09J167/02
Filed: 1999-08-04
Abstract: PURPOSE: A polyester hot melt adhesive composition for fabric is provided by using three kinds of dicarboxylic acids and one kind of diol, which is excellent in flexibility, oil-resistance, and adhesion. CONSTITUTION: The polyester hot melt adhesive is produced by a process comprising the steps of: performing an esterification or a transesterification of three kinds of dicarboxylic acids or derivatives thereof and one kind of diol; performing a polycondensation. The acids contain 70 to 80 mol% of two kinds of aromatic dimethylphthalate and 20 to 30 mol% of one kind of C8 to C12 aliphatic dicarboxylic acid or derivatives thereof. The diol comprises C2 to C6 alkylene glycol.
Patent KR-20010017357-A (KR)
Inventor: YOON CHAN HYEON
IPC: H04L12/12
Filed: 1999-08-10
Abstract: PURPOSE: A method for estimating an expandability in a multicast network applied a sub casting system is provided to predict a perturbation based on delay sensitivity to estimate the expandability in the multicast network of a source center tree structure, so as to effectively estimate the expandability of the tree structure. CONSTITUTION: A multicast network checks transmission periods of packets transmitted to sub root nodes, and calculates changed capacities of the packet transmission periods. The multicast network calculates perturbation values of each packet at a pause period between determined packet service periods and next packet service periods, and predicts changed capacities of the perturbation values. If a maximum range of the perturbation values changed during next service processing periods is predetermined, the multicast network estimates a maximum changing capacity of an excessive perturbation value according to a delay transaction from the maximum range. The multicast network decides an expandability of a network node according to a quality of service range from the maximum changing capacity of the estimated excessive perturbation value.
Patent KR-20010019192-A (KR)
Inventor: KWAK UN GI
IPC: C21D1/00
Filed: 1999-08-25
Abstract: PURPOSE: A method for distributing a schedule plan by simulation in the continuous annealing line is provided to select an optimum alternative plan before planning the schedule plan by applying a schedule planning optimization method by simulation in the continuous process. CONSTITUTION: A method for distributing a schedule plan by simulation in the continuous annealing line consists the first process in which an object of schedule plan in the continuous annealing process, material information is extracted from a main frame and read by an alternative plan writer; the second process in which materials having the same surface finishes and cold rolled materials among materials are collected as the same group; the third process in which materials having the same edge and anointing methods are collected and sub-grouped from the same group of the second process; the fourth process in which a deviation is leveled by adjusting operation order so that materials included in the sub-groups of the third process meet limited conditions of thickness and width deviation; the fifth process in which alternatives for sub-groups leveled in the fourth process are written per limited conditions of continuous planning maximum values of a later process; and the sixth process in which an optimum alternative is selected by imaginably working on the alternatives written at the fifth process.
Patent KR-20010019363-A (KR)
Title: Strip Rubber Composition adapted to part of belt edge for Car
Inventor: LIM WON U
IPC: C08L7/00
Filed: 1999-08-26
Abstract: PURPOSE: A strip rubber composition for belt edge part of automobile is provided to reinforce adhesion strength between steel cord and rubber of tire, and improve alteration-resistance and exothermic property. CONSTITUTION: A strip rubber composition for belt edge part of automobile consists of natural and synthetic rubbers, carbon black, adhesives, sticking agent, vulcanizer and promotor. The vulcanizer is attached with golden copper layer such as copper or galvanized zinc in belt laminate. The strip rubber composition has a 15-20mm width and a 0.5-0.8mm thickness to cover the edge part of belt cord to adhere steel cord of tire to the strip rubber. The composition comprises 3-5 weight part of high resilient epoxy resin based on 100 weight part of the raw rubber.
Patent KR-20010019620-A (KR)
Inventor: KANG DEOK GI
IPC: G06F17/30
Filed: 1999-08-28
Abstract: PURPOSE: A data search method is provided to store data with a binary linked list structure including an upper pointer and a lower pointer, and search the data by using the binary linked list so that it can reduce a search time. CONSTITUTION: The method comprises steps of reading data stored in the first register among the binary linked list of a corresponding data memory(S61, S62), comparing the recorded data with a search data(S63), reporting that a corresponding search data is found if the comparison result is identical, and stopping the search process(S64), checking if the recorded data is over the search data in the case that the comparison result is not identical(S65), reading the register directed by the lower pointer in the case that the recorded data is over the search data(S66), reading the register directed by the upper pointer in the case that the recorded data is under the search data(S67), comparing the recorded data with the search data in the memory area directed by the upper or lower pointer(S68), reporting that a corresponding search data is found if the comparison result is identical, and stopping the search process(S64), and repeating the checking and comparison processes till finding the corresponding search data or no data in the upper or the lower pointer.
Patent KR-20010026418-A (KR)
Inventor: KIM JEONG GEUN
IPC: H03G3/20
Filed: 1999-09-06
Abstract: PURPOSE: A circuit of generating gain control signals is provided to adjust the range of voltage gain to a changed process and to use otherwise unnecessarily consumed current as constant current source. CONSTITUTION: A circuit of generating gain control signal includes two sections of differential amplification(110) and output(130). The section of differential amplification(110) compares a reference voltage(Vref) and an externally given control voltage(Vctrl) and generates a current(lx) corresponding to the difference between the voltages(Vref,Vctrl). The output section(130) receives the current(lx) from section of differential amplification(110) and generates a gain control signal(AGC_OUT). Here, the circuit prevents the change of gains by compensating the change with an external tuning voltage(Tuning). A current mirror of a transistor(144) uses current(lb) otherwise unnecessary as a reference current(lref) of the circuit.
Patent KR-20000023050-A (KR)
Inventor: HUJIMOTO KOJI
IPC: H04W36/00
Filed: 1999-09-10
Abstract: PURPOSE: A mobile communication for avoiding stagnation of call processing is provided to perform transmission between a base station and an exchange station or a base station controller. CONSTITUTION: A mobile communication for avoiding stagnation of call processing is to perform a transmission between a multitude of base stations(30) and a multitude of exchange stations(40) by using an ATM. The exchange stations comprises call processors of N number. A communication methode comprises the steps of: establishing call process virtual connection links of N number between the base stations and exchange stations; and changing the call process virtual connection links of N number according to an order to control the call process by replying to continuously generated outgoing call from the base stations.
Patent KR-20010027100-A (KR)
Title: Aqueous cleaning solution
Inventor: CHOI ANDREW Y
IPC: C11D1/72
Filed: 1999-09-10
Abstract: PURPOSE: An aqueous cleaning solution is provided, which is improved in the cleaning power, thereby reducing the cleansing time, the cost and the damage of clothes, and little irritates the skin of a user. CONSTITUTION: The aqueous cleaning solution comprises triethanolamine dodecylbenzene sulfonate; nonylphenoxy poly(ethyleneoxy)ethanol; triethanolamine lauryl sulfate; dinonylphenoxy poly(ethyleneoxy)ethanol; and sodium xylene sulfonate. Preferably the aqueous cleaning solution comprises 1.44-1.76 pounds per gallon of triethanolamine dodecylbenzene sulfonate; 0.45-0.55 pounds per gallon of nonylphenoxy poly(ethyleneoxy)ethanol; 0.45-0.55 pounds per gallon of triethanolamine lauryl sulfate; 0.54-0.66 pounds per gallon of dinonylphenoxy poly(ethyleneoxy)ethanol; and 0.36-0.44 pounds per gallon of sodium xylene sulfonate.