baber/WOPTO huggingface dataset:
Patent KR-20030075929-A (KR)
Title: Bit line sense enable signal generator of semiconductor memory device
Inventor: LEE HYEONG YONG
IPC: G11C7/12
Filed: 2002-03-21
Abstract: PURPOSE: A bit line sense enable signal generation circuit of a semiconductor memory device is provided to perform a stable cell active restore operation by varying an enable time of a bit line sense enable signal according to temperature variation during a refresh operation. CONSTITUTION: A temperature sensing unit(10) senses a surrounding temperature. A selection signal generation unit(12) generates the first and the second and the third selection signal according to high temperature and atmospheric temperature and low temperature by inputting an output signal of the above temperature sensing unit. A sensing signal generation unit(16) generates a sensing signal in response to a refresh command during a refresh operation. A pulse width control unit(18) reduces a pulse width of the sensing signal in response to the first selection signal, and maintains the pulse width of the sensing signal in response to the second selection signal, and extends the pulse width of the sensing signal in response to the third selection signal. And a sense enable signal generation unit(22) generates a sense enable signal by inputting an output signal of the pulse width control unit.
Patent KR-20030078426-A (KR)
Title: A collecting and sorting equipment for freshwater bentic macroinvertebrates, terrestrial insects and spiders
Inventor: RO TAE HO
IPC: A01M5/02
Filed: 2002-03-29
Abstract: PURPOSE: Provided is a device for collecting and classifying large invertebrate benthos living in fresh water, land insects and spiders to attain improvement of easy and simple carrying and management thereof in indoor/outdoor places and economical production thereof. CONSTITUTION: The device comprises a collection receptacle(12) having an outlet(12a), a supporting cap(13) having apertures(13b) and an inlet port(13c), a transfer duct(14) to pass water into the receptacle(12) through the outlet(12a) and the aperture(13b), a collecting net(15) received in the receptacle(12), a collection portion(11) having an inlet pipe(16), an operation gun(17) having a lever(17a), inlet and outlet(17b,17c) and fitted in the aperture of the cap(13), a discharge pipe(18) arranged with the outlet(17c) of the operation gun(17), a pump(20) equipped at desired portion of the pipe(18) to pump water, and a power supply(21) to provide electric power to the pump(20).
Patent KR-20030079142-A (KR)
Title: Method for Encryption/Decryption of Information using Public Key Cryptosystem
Inventor: KIM YOUNG JE
IPC: H04L9/30
Filed: 2002-04-02
Abstract: PURPOSE: A method for encrypting and decrypting information by using a public key encryption system is provided to realize a public key encryption system including a key agreement based on generalized conjugacy search problem. CONSTITUTION: A method for encrypting and decrypting information by using a public key encryption system includes the steps of: defining(SA302) a pair of sub-groups GA and HA of Bn; randomly selecting(SA304) aA and bA with matching aA ∈ GA and bA∈ HA; publishing(SA306) xA = aAΔpbA and yA = bAΔqaA; receiving(SB306) xA and yA; calculating(SB310) z = m¬H(aByAbB)¬H(bBxAaB); transmitting(SB312) the encryption text z to the entity A; receiving(SA308) xB and yB and z; and calculating(SA310) m = z¬H(bAxBaA)¬H(aAyBabA).
Patent KR-20020079542-A (KR)
Inventor: GORL UDO
IPC: C08J3/215
Filed: 2002-04-09
Abstract: PURPOSE: Provided are a process for preparing a rubber powder comprising a filler which has a silanol group and which has been modified using an organosilicon compound. CONSTITUTION: A process for preparing a fine-particle rubber powder, comprises: (a) suspending (1) one or more silicatic fillers and one or more bifunctional organosilicon compounds or (2) a silicatic filler modified with an organosilicon compound in water, thereby obtaining a suspension; (b) adjusting a pH of the suspension to 5 to 10; (c) adding one or more rubbers in an organic solvent to the suspension; (d) removing the organic solvent, thereby obtaining rubber powder in water; (e) removing most of the water from the rubber powder then present in water; and (f) adjusting a residual moisture level of the rubber powder to 2% or less, thereby obtaining the fine-particles rubber powder; wherein the rubbers are prepared by solution polymerization and/or from rubber present in the organic solvent.
Patent KR-20030083786-A (KR)
Title: Thin Film Transistor and method for manufacturing the same
Inventor: YANG JUN YEONG
IPC: G02F1/136
Filed: 2002-04-22
Abstract: PURPOSE: A thin film transistor and a fabricating method thereof are provided to easily crystallize amorphous silicon to polycrystalline silicon by heating a semiconductor layer by applying voltage to a heating conductive layer formed below the semiconductor layer, thereby simplifying the activation when forming impurity areas to the polycrystalline silicon layer. CONSTITUTION: A thin film transistor includes a heating conductive layer(101) formed of a metal having a predetermined resistance on a substrate(100) for increasing the temperature of the substrate, a buffer layer(102) formed on the conductive layer with silicon oxide film for insulating the conductive layer, a polycrystalline silicon layer(103) formed on the buffer layer, and a gate insulating film and gate electrodes(105) formed on the polycrystalline silicon layer. Impurity areas(103a) are formed on the polycrystalline silicon layer at both sides of the gate electrodes, and an interlayer(106) formed on the entire surface of the substrate with contact holes(110) on the impurity areas. On the interlayer, source and drain electrodes(107a,107b) are formed to be electrically connected to the impurity areas via the contact holes.
Patent KR-20030085251-A (KR)
Inventor: CHO HYEON IL
IPC: C08G61/00
Filed: 2002-04-29
Abstract: PURPOSE: A photochromic fluorescent polymer, its preparation method, a fluorescent thin film using the polymer and a material for optical record medium, display device, lens and photochromic fiber are provided, to improve the fluorescent property and the solubility to an organic solvent. CONSTITUTION: The photochromic fluorescent polymer is represented by the formula 1, wherein R1 and R2 are CN, and R3 to R6 are H, an alkyl group of C1-C10 or a benzene group. Preferably the polymer has a weight average molecular weight of 500-2,000,000. The method comprises the step of reacting the compound represented by the formula 2 with the compound represented by the formula 3 in the ratio of 0.5:2 to 2:0.5 at a temperature of 0-150 deg.C. Preferably the reaction is carried out in the presence of at least one catalyst selected from the group consisting of sodium methoxide, sodium ethoxide, potassium ethoxide, potassium t-butoxide, sodium hydride, LiI, LiBr, LiCl, n-butyl lithium and phenyl lithium.
Patent KR-20030089521-A (KR)
Inventor: HUH JEONG UK
IPC: G02F1/13357
Filed: 2002-05-15
Abstract: PURPOSE: A backlight unit for an LCD(Liquid Crystal Display) is provided to fix a fluorescent lamp at a direct type backlight unit without using an extra support member and simplify a wiring work for supporting power to the fluorescent lamp. CONSTITUTION: A pair of PCB(Printed Circuit Board) substrates(10) have a plurality of soldering pads formed at equal gaps to attach lead wires(21) protruded on both sides of a plurality of fluorescent lamps(20). Current limit condensers are installed on one sides of the soldering pads to supply stable power. An upper plate(40) is contacted with upper parts of the PCB substrates for forming an upper surface of a backlight unit. A lower plate(50) is contacted with lower parts of the PCB substrates for forming a lower surface of the backlight unit. A driving circuit unit is connected with the PCB substrates via electric wires to supply power to the fluorescent lamps.
Patent KR-20030088962-A (KR)
Inventor: LEE JAE UK
IPC: H01J29/07
Filed: 2002-05-15
Abstract: PURPOSE: A mask assembly is provided to prevent a corrugation and vibration regardless of the tension force. CONSTITUTION: A mask assembly comprises a tension mask(20) including an effective portion(28) for passing or cutting off the electron beam emitted from an electron gun and a longer side ineffective portion(30a) and a shorter side ineffective portion(30b) surrounding the effective portion, wherein the tension mask is stretched in a vertical direction; and a mask frame(22) for increasing a structural strength while maintaining the stretched state of the tension mask. The longer side ineffective portion has an etching portion(32) having an elongated diameter in a vertical direction.
Patent KR-20030065265-A (KR)
IPC: A63H17/385
Filed: 2002-05-21
Abstract: 제어회로를 짜넣은 카드본체의 착탈이 용이하고, 또한 부품갯수를 줄이는 것이 가능한 모델카의 제어회로 유니트를 제공한다. 
     모델카(11)을 주행시키는 모터(12)와, 이 모터(12)를 구동시키는 배터리(13)을 접속하는 모델카 제어회로를 카드본체(15)에 짜넣고, 상기 모델카(11)에는, 상기 모터와 배터리와의 사이에 카드본체(15)를 끼워넣기 위한 삽입용 슬롯(20)을 형성하고, 이 삽입용 슬롯(20)내에는 모터용 단자(21) 및 배터리용 단자(22)를 직접접촉가능한 상태로 위치시키고, 상기 카드본체(15)에는 모델카측의 모터용 단자(21) 및 배터리용 단자(22)를 서로 접속가능케 하는 단자(16a, 16b)가 설치되어져 있다.
Patent KR-20030090920-A (KR)
Title: A over-pressure safety system for portable gas range
Inventor: PARK JIN HA
IPC: F23N1/00
Filed: 2002-05-23
Abstract: PURPOSE: An over-pressure safety system for shutting off a passage in a portable gas range is provided to prevent explosion of a gas container by shutting off gas flow of the passage of a governor and extinguishing fire in increasing internal pressure of the gas container from radiation heat. CONSTITUTION: Gas flows from a gas container through an inlet passage(43) and a passage groove to a valve housing(70) in mounting the gas container in an injection port(41) of a governor, and moves through a passage(71) and an outlet passage(45) to a decompression regulating chamber(42). Ignition is performed by an igniter with moving decompressed gas to a burner. A shutoff ring is contacted to a fitting protrusion(73) of the valve housing by moving a valve member(50) with compressing a safety spring(80) when internal pressure of the gas container is increased to 5-7 kg/cm2 or 4-6 kg/cm2 against resilience of the safety spring. Fire of the burner is extinguished by shutting off the passage, and return of the valve member is prevented by inserting a shutoff protrusion(63) of a return restricting plate(60) to an insertion groove. The shutoff protrusion is displaced from the insertion groove by turning the protrusion of the return restricting plate, and the valve member is returned in separating the gas container by lifting up a lever.
Patent KR-20030002303-A (KR)
Title: Data broadcasting system, receiving terminal apparatus, contents supplying server and method for supplying contents
Inventor: HIRAKAWA SHUJI
IPC: H04N7/16
Filed: 2002-05-24
Abstract: PURPOSE: A data broadcasting system, a receiving terminal device, a contents-providing server, and a contents-providing method are provided to secure information anywhere and anytime and to offer appropriate services depending on the viewer's use condition. CONSTITUTION: A data broadcasting system comprises a program providing-unit for providing data broadcast programs by broadcasting plural contents to be used in programs and presentation control data specifying the manner of presentation of each content, by assigning and multiplexing in arbitrary channels in each program, and a receiving terminal device(40) which receives the data broadcast programs provided by the program providing-unit, separates the contents and presentation control data, and presents the contents on the basis of the presentation control data. In the receiving terminal device, the program-providing unit provides plural contents groups as a series of programs. The plural contents groups comprise at least real time reception type contents selectively received and reproduced in real time, first store type contents reproduced after being stored as reception is started by selection, second store type contents read and reproduced when selected as being automatically received and stored, and parallel contents combining the real time reception type contents and first or second storing type contents.
Patent KR-20030091151-A (KR)
Title: Controlling method for refrigerator of home-bar heater
Inventor: LEE SANG SU
IPC: F25D29/00
Filed: 2002-05-24
Abstract: PURPOSE: A method for controlling a home-bar heater of a refrigerator is provided to prevent dewing on a home-bar and discoloration of a location of a home-bar door part on which a gasket is attached by stopping heat radiation of the home-bar heater when temperature in a refrigerator compartment is higher than fixed temperature. CONSTITUTION: A method comprises the steps of: a step(S21) sensing whether surrounding temperature of a refrigerator is low through a temperature sensor sensing the surrounding temperature of the refrigerator if the refrigerator is at normal operation; a step(S22,S23) turning off a home-bar heater if the surrounding temperature is low, and determining whether temperature in a freezer compartment is high if the surrounding temperature is high; a step(S24,S25) determining whether temperature in a refrigerator compartment is high if the temperature in the freezer compartment is high, and turning off the home-bar heater to prevent discoloration of a location of a home-bar door part on which a gasket is attached if the temperature in the refrigerator compartment is high; and a step(S26) turning on the home-bar heater to prevent dewing on a gasket part of the home-bar door part if the temperature in the freezer compartment or the refrigerator compartment is high.
Patent KR-20030091193-A (KR)
Inventor: CHO HUN HYEONG
IPC: C08B37/08
Filed: 2002-05-24
Abstract: PURPOSE: A method for preparing a water-soluble chitosan and a water-soluble chitosan prepared by the method are provided, to make chitosan be water-soluble without reducing the molecular weight by partially hydrolyzing the chitosan. CONSTITUTION: The method comprises the steps of depositing chitosan in 1.5 N HCl solution or more; washing the deposited chitosan with a volatile material; and drying the washed chitosan. Preferably the chitosan is deposited in HCl solution for 5-10 min; and volatile material is 50% ethyl alcohol or more.
Patent KR-20020091821-A (KR)
Inventor: MURANAKA MASAYA
IPC: G06F3/00
Filed: 2002-05-30
Abstract: PURPOSE: To provide a signal transfer technology capable of realizing stable fast data transfer and reduction of a layout area. CONSTITUTION: This system (semiconductor device) for realizing a fast data transfer circuit system, comprises a transmission circuit 3 consisting of a normal signal transmitter 1 and a receiving amplifier start signal transmitter 2, a receiving circuit 6 consisting of a receiving amplifier 4 and a receiving amplifier start signal receiver 5, a normal signal line 7, a receiving amplifier start signal line 8 connected between them, or the like the normal signal transmitter 1 includes a circuit for changing an output level only for a particular period of time in accordance with the level of the normal signal and a circuit for controlling the normal signal line 7 so as to function between a VDD and a VSS, the receiving amplifier 4 includes a circuit for fetching voltage of capacity at prescribed change timing of a control signal and outputting a signal based on the voltage and is composed of a chopper type comparator, and furthermore, the normal signal line 7 is composed of a signal transmission line.
Patent KR-20030093537-A (KR)
Title: Wind flux control resistor for air ventilating device in vehicle
Inventor: OH MAN JU
IPC: B60H1/00
Filed: 2002-06-03
Abstract: PURPOSE: A resistor for controlling air volume of an air-conditioning system of a vehicle is provided to minimize air resistance by horizontally forming a resistor PCB(Printed Circuit Board) and a heat sink of the resistor, installing the resister not to be parallel to a blowing channel of a blower unit, and reducing area of the blowing channel occupied thereby, and to cut off increase of temperature of the resistor PCB without using a fuse by allowing the resistor to absorb, radiate heat and expand when over-current is supplied. CONSTITUTION: A resistor comprises a heat sink(35) having radiating fins horizontally formed to radiate heat generated as the resistor variably controlling driving of a fan motor of a blower unit for air-conditioning of a car room; a housing(34) attached to a bottom of the heat sink; a resistor PCB(31) allowing power of a battery of a vehicle to flow depending on selected air volume step; a safety member(36) contacting with one end of the resistor PCB to be expanded and radiate heat by electric current; and a connecting member(32) contacting with a terminal end(33) having one side contacting with the safety member and the other side exposed to an outside of the housing to be grounded.
Patent KR-20030094551-A (KR)
Inventor: HA YEONG JU
IPC: F25D23/02
Filed: 2002-06-04
Abstract: PURPOSE: A gasket for a refrigerator door is provided to efficiently prevent leakage of chilled air in a refrigerator and insulate heat between an inside and an outside of the refrigerator by changing structure of the gasket mounted and fixed to a door liner of the refrigerator door, and to improve heat insulating performance by cutting off or minimizing infiltration of heat flowing in from the outside of the refrigerator or generated by an anti-dewing hot line installed on a front side of the refrigerator into the refrigerator using the gasket. CONSTITUTION: A gasket(50a) includes a coupling part(54) inserted and fixed to a door liner; a shock absorbing air bag(53a) formed integrally with the coupling part to absorb shock when a refrigerator door and a refrigerator main body contact with each other, and having an attaching part(52) placed on an upper part thereof; a magnet(51) put on the shock absorbing air bag; and a heat infiltration preventing air bag(53b) formed on an inside of the refrigerator lengthily from a side of the magnet.
Patent KR-20030095417-A (KR)
Title: Amorphous transparent conductive film and method for preparing the same
Inventor: CHOI BEOM RAK
IPC: H01B5/14
Filed: 2002-06-10
Abstract: PURPOSE: A transparent conductive layer and a fabricating method thereof are provided to improve an etching characteristic, lower the growth temperature, and enhance the chemical stability by using a chemical compound including metal elements without d-orbit electrons as raw materials. CONSTITUTION: A transparent conductive layer includes a chemical compound expressed as In2-xMxO3-δ where M is selected from a group including Li, Na, Mg, K, Ca, Sc, Ti, Sr, Y, Zr, Ba, La, Cd, B, Ga, Tl, Si, Pb, Sb, Bi, Pr, and Nd, x is 0<x<1, and δ is 0<x<0.5. The transparent conductive layer includes a chemical compound expressed as (In1-xM1x-yM2y)2O3-δ where M1 and M2 are selected from a group including Li, Na, Mg, K, Ca, Sc, Ti, Sr, Y, Zr, Ba, La, Cd, B, Ga, Tl, Si, Pb, Sb, Bi, Pr, and Nd, x is 0<x<1, y is 0<y<1, y<x, and δ is 0<x<0.5.
Patent KR-20030007041-A (KR)
Inventor: AKUTSU KOTARO
IPC: G03F7/20
Filed: 2002-07-08
Abstract: PURPOSE: An exposure apparatus is provided to solve the problems that very high unit cost, and high warming potential, and the heat capacity per unit volume as small as about 1/2 that of water. CONSTITUTION: An exposure apparatus comprises a temperature adjustment unit which adjusts, to a predetermined temperature, a coolant supplied from a coolant generation device which generates a coolant with a predetermined quality, and a control unit which controls a temperature in the apparatus by circulating the coolant adjusted to the predetermined temperature.
Patent KR-20040005109-A (KR)
Title: Method for booking a golf course and computer readable record medium on which a program therefor is recorded
Inventor: BAE BEUNG IL
Filed: 2002-07-08
Abstract: PURPOSE: A golf field reservation method is provided to enable a user to reserve a golf field over the internet and to levy a penalty on the user if the user cancels the reservation so that it can minimize a reservation cancellation rate. CONSTITUTION: The method comprises several steps. An operation server receives basic personal data and data on a payment method of a reservation cancellation penalty from a golf field reservation requester, and receives basic data on the golf field from a server of the golf field(S2). The operation server transmits the payment method of the reservation cancellation penalty to the server of the golf field(S3). The operation server receives data on a course and a date which can be reserved for and on(S4). The operation server receives the data on a golf field, a course or a date wanted by the reservation requester(S6). If the operation server receives the reservation cancellation signal from the reservation requester, the operation server levies the penalty on the reservation requester(S14), checks whether it comes to a penalty settlement date(S16) and transmits data on the penalty to the server of the golf field(S18).
Patent KR-20040006386-A (KR)
Inventor: JUN BYEONG DEUK
IPC: G11C29/00
Filed: 2002-07-12
Abstract: PURPOSE: A semiconductor memory device is provided to increase row redundancy efficiency using row redundancy existing in a bank which can not be repaired because of block fail. CONSTITUTION: According to the semiconductor memory device including a plurality of banks(11,12,13,14), each bank includes a plurality of redundancy word lines(RWLk0-RWLk3) to repair. A peripheral circuit area corresponding to each bank includes a redundancy control unit comprising a row fuse(23,26) to perform a repair operation by selecting a redundancy word line, and it includes a multiplexer(25,28,29) selecting a redundancy word line enable signal being outputted from a redundancy control unit(24,27) to use a redundancy word line of a bank which dose not perform a repair operation according to a bonding option signal.
Patent KR-20040007108-A (KR)
Title: Vacuum chuck
Inventor: KIM MU HYEON
IPC: H01L21/68
Filed: 2002-07-16
Abstract: PURPOSE: A flexible substrate fixing vacuum chuck is provided to be capable of conserving a high levelling degree and securing uniform temperature. CONSTITUTION: A flexible substrate fixing vacuum chuck(1) is provided with a suction plate(10) for loading a process object substrate, an inner vacuum line(11) formed at the inner portion of the suction plate, and an outer vacuum line(13) connected through the inner vacuum line and formed at the edge portion of the suction plate for fixing the process object substrate. Preferably, the outer vacuum line is formed corresponding to the process object substrate. Preferably, the upper surface of the suction plate is polished for conserving a predetermined levelling and vacuum degree. Preferably, the flexible substrate fixing vacuum chuck further includes a support plate made of glass.
Patent KR-20020070405-A (KR)
Title: Screw jaw for turn-out branching-off point and crossing
Inventor: YEUN JANG IK
IPC: B61L5/02
Filed: 2002-07-31
Abstract: PURPOSE: A screw jaw is provided to allow lock adjustment to be easily performed without the need of entering the railway, while reducing manufacturing procedures and cost. CONSTITUTION: A screw jaw(50) comprises a main body(60) having an end(61) coupled to a second coupling portion of a connecting rod for interconnecting a pair of tung rails and a railway switch, and which is arranged to accommodate, through the other end of the main body, a first coupling portion(13) of the connecting rod such that the coupling portion is movable in an axial direction; an adjustment nut(80) for accommodating the other end of the main body of the screw such that the other end is rotatable, wherein the adjustment nut is partially engaged with the first coupling portion such that the first coupling portion approaches or is separated from the second portion; a bearing interposed between the adjustment nut and the other end of the main body of the screw; and a restriction member for restricting rotation of the adjustment nut with respect to the main body of the screw.