baber/WOPTO huggingface dataset:
Patent KR-20000035002-A (KR)
Inventor: HIBINO GENJI
IPC: G11C16/06
Filed: 1999-10-14
Abstract: PURPOSE: A semiconductor memory device is provided to have a stable and long-life reference voltage generating circuit by making a voltage between a source and a drain of a dummy cell transistor be reduced without being affected by a variation a threshold voltage of a memory cell transistor. CONSTITUTION: A semiconductor memory device comprises a reference voltage generating circuit (10) which generates a reference voltage to be supplied to a selected word line. The reference voltage generating circuit(10) has a plurality of PMOS transistors(P1-Pm) which are connected in series between a power supply voltage(Vcc) and an output terminal(T2V) for outputting the reference voltage. The gates of the transistors(P1-Pm) are connected in common to a ground voltage. The reference voltage generating circuit(10) has a first dummy cell transistor(12) and a second dummy cell transistor(14). The dummy cell transistors(12,14) are connected in series between the output terminal(T2V) and the ground voltage. The gates of the first and second dummy cell transistors(12,14) are connected in common to the output terminal(T2V). The dummy cell transistors(12,14) are fabricated through the same fabrication process.
Patent KR-20010037725-A (KR)
Inventor: CHO SANG IK
IPC: C21B7/20
Filed: 1999-10-19
Abstract: PURPOSE: An apparatus and a method are provided to maintain the operation continuity of the blast furnace through the weighing normalization of large particle size ore and increase a production amount of hot metal through the stability of operating conditions of the blast furnace by lowering a total stock of a small particle size ore storing vessel. CONSTITUTION: The apparatus comprises a small particle size ore mixing mode selector (100) equipped with a selection switch (101) and connected to an electric signal communication controller (60); a weighing value input part (90) connected to the electric signal communication controller; a discharging order input part (95) inputting the raw material discharging order of the a weighed raw material discharging control PLC (80) and connected to the electric signal communication controller; and a level control signal detecting part (110) transmitting a signal of a level detector (160) installed in a small particle size ore storing vessel to the electric signal communication controller. The method comprises the steps of selecting an emergency small particle size ore mixed charging mode; inputting a weighing value and weighing a mixed amount of the small particle size ore; discharging the weighed raw materials into large particle size ore surge hoppers (30-1,30-2); discharging the charged raw materials of the large particle size ore surge hoppers and discharging small particle size ore to be mixed into a small particle size ore weighing hopper (39); and discharging large particle size ore into the large particle size ore surge hoppers and charging the small particle size ore to be mixed with the large particle size ore into a rotation chute (12).
Patent KR-20010037833-A (KR)
Inventor: LEE SANG WON
IPC: H01M2/02
Filed: 1999-10-20
Abstract: PURPOSE: A battery pack is provided which reduces the cost for exchanging the battery pack only by changing the battery case and prevents safety accident caused by leakage of an electrolytic solution. CONSTITUTION: The battery pack comprises: (i) a battery case(10) where at least one batteries(11) are accommodated; (ii) a circuit part case(20) which accommodates an electric circuit(21) and is attachable to and detachable from the battery case to electrically connect the battery and the electric circuit; and (iii) an attaching and detaching means which is respectively installed on the battery case and the circuit part case. The attaching and detaching means comprises: (i) at least one hooking grooves(17a, 17b) which are formed on one side of the battery case and/or the circuit part case; (ii) at least one ratchets(27a, 27b) which are installed on the battery case and/or the circuit part case to correspond to the hooking grooves; and (iii) a release button(29) which is installed on the battery case and/or the circuit part case to release coupling between the ratchets and the hooking grooves.
Patent KR-20010037966-A (KR)
Inventor: HAN GEON
IPC: F16J15/06
Filed: 1999-10-21
Abstract: PURPOSE: An O-shaped ring mounting mechanism is provided to improve the performance of sealing by preventing an O-shaped ring from torsion when the O-shaped ring is inserted into a groove of a shaft, to extend the lift of the O-shaped ring, and to prevent leakage by preventing the loss of applied compound. CONSTITUTION: An O-shaped ring mounting mechanism includes a first cylinder(8) having the inner diameter larger than the outer diameter of a shaft(4) for inserting an O-shaped ring(2) and inserting the O-shaped ring into one side, and applied with compound at one side, a second cylinder(10) inserted into the outer peripheral surface of the first cylinder to straightly move and pushing the O-shaped ring inserted into the first cylinder to move the O-shaped ring to a groove(6) of the shaft, and a third cylinder(12) inserted into the outer peripheral surface of the second cylinder to straightly move and pushing the upper part of the O-shaped ring for applying compound to the surface of the O-shaped ring.
Patent KR-20010038134-A (KR)
Inventor: HAN GYU NAM
IPC: B05C11/10
Filed: 1999-10-22
Abstract: PURPOSE: A device in doctor blade coating type is provided, which keeps the amount of slurry to be fed uniformly, even though the level of slurry within the slurry vessel is lowered, so that it helps to obtain coating with regular thickness. CONSTITUTION: In the coating device to supply slurry uniformly in doctor blade coating style, the slurry feeding vessel contains a plate(32) which supports the weight of slurry inside the slurry feeding vessel wherein not less than one openings(35) are placed. The structure of slurry vessel is made to keep the amount of slurry uniform so that the weight of slurry is distributed to the plate and that of slurry transmitted to the lower part of the plate is proportional to the area of opening to the entire area of the plate.
Patent KR-20010044904-A (KR)
Inventor: PARK DONG SIK
IPC: H04W4/06
Filed: 1999-11-01
Abstract: PURPOSE: A broadband radio transmission method and an apparatus thereof are provided to effectively support a video related application such as an application in conformity to H.324M, H.323, H.320 standards and do an optimum video service in consideration of a channel characteristic by enabling a negotiation and execution for video services having different quality of service(QoS). CONSTITUTION: Identification information is obtained as to what application is being executed in a user layer(502). A link layer determines a QoS level in consideration of the identification information received from the user layer and information on a channel characteristic such as a block error rate(BER), a packet loss rate and a delay and a decoding state received from a physical layer(504). An identifier field indicating what video application is being used in a bit stream reconstruction layer is inserted(506). The bit stream reconstructing layer inserts a QoS parameter field indicating the QoS level of the corresponding video application(508). Payload data, pure video data, outputted from a video related application is inserted(510). It is checked whether the bit stream with all the identifier field, a bit stream into which the QoS parameter field and the payload data field concerning video are inserted has been byte-aligned(512). If it is checked that the bit stream has not been byte-aligned, the bit stream reconstructing layer inserts a stuffing bit(514). A byte-aligned bit stream is outputted from the bit stream reconstructing layer to the physical layer(516).
Patent KR-20000006780-A (KR)
Title: Apparatus and method for cleanser foam generating sprayer attached high pressure pump cleansing
Inventor: LEE GYE WOOK
IPC: B08B3/00
Filed: 1999-11-02
Abstract: PURPOSE: A high pressure pump cleansing apparatus is provided to reduce the number of workers and the equipment cost and to promote the working efficiency by simplifying the cleansing process of a high pressure pump. CONSTITUTION: The high pressure pump cleansing apparatus comprises:a high pressure water spraying nozzle bar(24) for spraying high pressure water flowed out from a high pressure pump cleansing apparatus(13) via a high pressure hose; an air compressor(29) for operating of an air compressing pump(18) by an electric motor(19) and for guiding the compressed air stored in a compressed air storing container(16) with a compressed air hose(3); a cleanser(11) sprayed through a cleanser spurt tube(28) and through a cleanser foam spraying nozzle(22); and a foam spurt hose(9) for spurt of the cleanser foam compressed in a foam storing container(2).
Patent KR-20010046157-A (KR)
Inventor: YOO KYUNG MIN
IPC: B65G35/00
Filed: 1999-11-10
Abstract: PURPOSE: A hanger control system for a laundry is provided to detect the locations of hangers automatically and to move the hangers to required locations. CONSTITUTION: A computer(10) contains a program for operation and processes input and output signals. Controllers(20,30,40) are connected to the computer with cables for communication and control relevant devices. Driving motors(24,34,44) rotate or reverse by the power inputted by the control of the controllers. Conveyors(22,32,42) are connected to the driving motor. Several hangers(28,38,48) are fixed on the conveyor. Optical sensors(26,36,46) are also installed in the hanger controller to detect the locations of the hangers.
Patent KR-20010046983-A (KR)
Inventor: SUNG HYEON MAN
IPC: H04L12/14
Filed: 1999-11-17
Abstract: PURPOSE: An apparatus and a method for paying the charge through a telephone card are provided to realize an electronic charge payment on the Internet by using a telephone card. CONSTITUTION: A personal computer(11) of the content-consumer is connected to the Internet and appointing the desired payable contents or the product-appointing contents via telephone card. A server computer(12) of the content-provider is connected to the Internet and receiving the request of the content consumer by using the telephone card payment service. A processor is connected to the server computer of the contents provider on the Internet and processing the telephone card payment service if there is any request from the content consumer on the Internet. A communication processor of the communication company is connected with the processor through communication network to process the charge service with respect to the content consumer.
Patent KR-20010047024-A (KR)
Inventor: PARK SANG DON
IPC: H04N5/64
Filed: 1999-11-17
Abstract: PURPOSE: A device for opening/closing a door automatically is provided to protect a screen of a TV or an imaging device. CONSTITUTION: A plurality of main doors(2) are installed for being slid in the both directions at the front surface of a TV main body case(1), and opens/closes a screen. A plurality of main doors(2) are installed for opening/closing a screen. A DC motor(4) being rotated in the normal and the reverse directions is mounted at the inner portion of the main body case(1). A plurality of pinions(4a) are fixed to both sides of rotating shafts of the DC motor(4). A plurality of the first timing shafts(5) are geared with each pinion(4a). A plurality of the second timing shafts(6) are installed at the horizontal direction of the first timing shafts(5). A plurality of timing belts(7) are geared with each pulley(5a, 6a) being mounted at one end portions of the timing shafts(5,6) respectively. A guide shaft(8) is arranged to the timing belts(7) in parallel. A guide base(9) is arranged to the guide shaft(8) in parallel. A main door guiding assembly(10) is fixed at one side portion of the timing belts(7) and slidably combined to the guide base(9). A sub door guiding assembly(20) is slidably inserted into the guide shaft(8) and slidably combined to the guide base(9). A control unit senses positions of the main doors(2) and the sub doors(3) and restricts a driving force of the DC motor(4).
Patent KR-20010056259-A (KR)
Inventor: CHO GYO HUN
IPC: C21B7/14
Filed: 1999-12-14
Abstract: PURPOSE: An apparatus for recover hot metal in hot metal bed of blast furnace is provided to solve demerits such as delay of treatment of hot metal, danger of safety accidents and increase of transportation cost by recovering the hot metal into a torpedo ladle car using a hot metal recovering apparatus after cooling the hot metal collected through a hot metal hole with a cooling means for recovering hot metal contained inside slag of a hot metal bed. CONSTITUTION: In an apparatus for recovering hot metal for recovering hot metal inside a runner hot metal bed after closing a tapping hole, the apparatus comprises a tundish to which hot metal is supplied through a hot metal hole of the hot metal bed; a rotational plate (10) stacking the hot metal passing through the tundish; a cooling means (16) for cooling the hot metal stacked on the rotational plate; a transporting means (17) for transporting the cooled hot metal inside the rotational plate cooled by the cooling means; a chute (22) for supplying to a torpedo ladle car by recovering the cooled hot metal recovered through the transporting means; and a control means (24) for controlling the cooling means and the transporting means.
Patent KR-20010056231-A (KR)
Title: Apparatus for removing welding burr from plastic windows and doors
Inventor: CHOE SUN WHOA
IPC: B29C65/74
Filed: 1999-12-10
Abstract: PURPOSE: A welding burr remover is small and convenient to carry. CONSTITUTION: A welding burr remover(100) comprises a cylinder(10), a cutting device(20), a body(30) and a handle(40). The cylinder(10) is operated by compressed air supplied by a compressor and has a rod(10a) formed to move forward and backward by a direction switching valve(11). The cutting device(20) is connected to the front end of the cylinder rod(10a) and moves forward and backward to remove welding burrs. The body(30) supports the cylinder(10) and the cutting device(20). The handle(40) is placed on the upper part of the body(30). A working fixing piece(34) is fixed to a corner of a synthetic resin window or door for stable working condition.
Patent KR-20010056994-A (KR)
Inventor: CHOI SEONG CHEOL
IPC: H04W8/24
Filed: 1999-12-17
Abstract: PURPOSE: A method for backing up database disk of mobile communication exchange is provided to efficiently operate the exchange system by dividing the case of back up into a case of writing the data updated and the other case of not writing the data on the spool management disk of the database. CONSTITUTION: If MT backup starts, while backing up to the MT, the update data of the disk backup type relation is not written onto the disk, and determined if the size of the spool is the permitted size or not at the state that the data is put in the spool memory of the OMP main memory. After the determination, if the size of the spool is larger than the permitted size, the backup to MT is temporarily cut and the spool data are written in the disk. While the spool data are written in the disk, it is determined if the capacity of the spool is reduced to the minimum level. From the determination, if so, the backup operation is performed again to the MT and the data to be written in the disk is firstly stored in the spool. Until the backup operation to MT is finished, the aforementioned steps are repeated.
Patent KR-20010060535-A (KR)
Inventor: JUNG JONG BAE
IPC: G11C16/06
Filed: 1999-12-27
Abstract: PURPOSE: A reference cell program circuit of a flash memory is provided to program a reference cell with a threshold program and to terminate the operation of the circuit when program termination automatically. CONSTITUTION: The reference cell program circuit of the flash memory includes a level shifter(20), a switch(10), a voltage divider(30), a differential amplifier(40) and a controller. The level shifter shifts the level of an input signal. The switch controls the voltage supplied on a drain of the cell according to the output of the level-shifter. The voltage divider divides the voltage formed by current flowing through the cell with a predetermined ratio. The differential amplifier amplifies the difference between the reference voltage and the divided voltage output from the voltage divider according to an adjust signal. The controller logically combines the adjust signal and the output signal of the differential amplifier to control the level shifter.
Patent KR-20010061633-A (KR)
Inventor: CHOI TAE HWA
IPC: F23N5/00
Filed: 1999-12-28
Abstract: PURPOSE: A combustion control method of a blast furnace is provided to improve thermal efficiency by setting up a reference exhaust gas temperature control value according to such external factors as the change of air temperature. CONSTITUTION: A primary reference exhaust gas temperature and another temperature at a combustion completion point are set up by adding specific temperature values to a minimum exhaust gas value obtained by a correlation equation produced by correlation analysis of minimum exhaust gas temperatures of air heating furnaces and cool air temperatures. Exhaust gas temperature after the primary exhaust gas temperature to the combustion completion point and a ratio of mixed gas amount to exhaust gas temperature is obtained. By using the exhaust gas temperature ratio, amount of mixed gas lately used is obtained. A lately used mixed gas flow rate is obtained by using the lately used mixed gas amount. With the lately used mixed gas flow rate, the combustion in an air heating furnace in a blast furnace is controlled.
Patent KR-20010065221-A (KR)
Inventor: BANG NAM YEONG
IPC: B60S1/10
Filed: 1999-12-29
Abstract: PURPOSE: A wiper device using negative pressure of vehicle engine pressure is to lay out an electric circuit for driving a first, second solenoid valves. Each first, second solenoid valve is installed to a duct mounted between an exhaust pipe side for an engine and first/second actuating chambers for opening and closing the solenoid valves each other reversely. Thereby an energy saving owing to preventing electric power consumption is achieved by utilizing a traditional motor drive and engine negative pressure wiper side by side. CONSTITUTION: The wiper device comprises; A first solenoid valve(6) is mounted between an exhaust pipe(2) for an engine(1) and first working chamber(3). A second solenoid valve(7) is mounted to one duct(5) side branched off from the first working chamber(3) and the second working chamber(4), a first plunger(8) and second plunger(9) integrated each other for a wiper blade via wiper arm(11). The wiper arm(11) is moved by the negative pressure developed depending on the opening/closing of the first-(6) and second solenoid valve(7). A control unit controls the opening/closing of the first- and second solenoid valve.
Patent KR-20010065421-A (KR)
Inventor: WOO GYEONG HOE
IPC: B22D41/00
Filed: 1999-12-29
Abstract: PURPOSE: A ladle heat insulation device is provided to prevent the decrease of ingot temperature when conveying ingots by forming the inner wall of the ladle in a hollow structure and filling the heat insulating materials into the hollow part uniformly, thereby maintaining the ingots in an optimal state and preventing the deterioration of the quality of cast pieces in the continuous casting. CONSTITUTION: In a ladle hot insulation device, a ladle has inner walls formed in the dual structure of an interior steel shell(11) and an exterior steel shell(12), many shell reinforcements(14) are formed between the interior steel shell and the exterior steel shell, and heat insulating materials(13) are uniformly filled in the space between the interior steel shell and the exterior steel shell, wherein the heat insulating materials are preferably to be fully calcined rice hulls.
Patent KR-20010065443-A (KR)
Title: Cup holder for vehicle
Inventor: PARK BYEONG UK
IPC: B60R7/08
Filed: 1999-12-29
Abstract: PURPOSE: A cup holder is provided to insert a cylindrical container and a polygonal container in a cup supporting portion. CONSTITUTION: A multifold link device(6) comprises a first link(7) fixed in a base(3) of a holder body(3); a second link(8) fixed in a guiding hole(7) of the first link(7); and a third link(9) fixed in a guiding hole(8) of the second link(8) and supported in the base(3). The links(7,8,9) are fixed by inserting protrusions of the links(7,8,9) in the guiding grooves(7,8) and thermally fusing the tip of the protrusions. Thereby, a cup supporting portion is transformed corresponding to a shape of an inserted container.
Patent KR-20010058722-A (KR)
Inventor: BONG TAE GEUN
IPC: H01L21/68
Filed: 1999-12-30
Abstract: PURPOSE: An apparatus for opening and closing a door of a wafer cassette is to minimize the working space and to reduce the time required for working, by opening and closing automatically the door of the wafer cassette. CONSTITUTION: When a cassette body(40) is positioned on a stage(19), a positioning sensor(41) detects a position of the cassette. By using the signal from the positioning sensor, a clamper(42) locks the cassette in position. If the cassette is moved to one side of a body plate(11), an actuator lifts a door opener(12) toward the door of the cassette. At the same time, a cylinder(17) is operated to insert a door key into the hole of a key cylinder. The cylinder is mounted on the door opener. By rotating the cylinder, a locking unit of the cassette door is released. The cassette door is adsorbed by vacuum. A vacuum unit is moved down along a guide rail(11). By this movement of the vacuum unit, the stage is rotated to perform a probing process against a wafer.
Patent KR-20010059895-A (KR)
Inventor: PARK SEUNG YEONG
IPC: F15B15/22
Filed: 1999-12-30
Abstract: PURPOSE: A double acting cylinder is provided to simplify structure with convenient assembly by simply fixing an electronic valve to the cylinder. CONSTITUTION: In the during acting of a piston rod(32), fluid is allowed inside of a cylinder through a fluid inlet port(40) and a fluid entry port(30) of an electronic valve(28) for pushing a piston rightward. The fluid at right side of piston is discharged via the fluid entry port and a fluid outlet port(42) so the piston or the piston rod as to proceed. In rearward moving of the piston rod, the fluid is let in the cylinder via the fluid inlet port and the fluid entry port for pushing leftward the piston. And, the fluid at a left side of the piston is drained via the fluid inlet port and the fluid entry port for pushing the piston leftward for moving backward the piston and the piston rod.
Patent KR-20000068103-A (KR)
Title: 연료 분사 밸브
IPC: F02M61/16
Filed: 1998-04-08
Abstract: 본 발명은 연료 분사 밸브(1)에 관한 것으로, 특히, 내연 기관의 연료 분사 시스템을 위한 분사 밸브에 관한 것이고, 상기 분사 밸브는 밸브 니들(8)에 연결된 밸브 폐쇄 부재(9)와 밸브 시트 부재(3)를 구비한다. 상기 폐쇄체(9)상에 설치된 밸브 폐쇄면(10)은 밸브 시트 부재(3)상에 형성된 밸브 시트(12)의 표면(11)과 협동하여 작용한다. 부가적으로, 상기 연료 분사 밸브(1)는 밸브 시트(12)로부터 상류측의 밸브 시트 부재(3)의 영역내에 상기 밸브 시트(12)로 연료를 공급하기 위한 하나 이상의 연료 채널(20, 21)을 구비한다. 본 발명은 폐쇄부(29)가 모든 연료 채널(20, 21)내에 설치되고, 폐쇄부의 개구의 단면이 연료 분사 밸브(1)의 외측으로부터 변형될 수 있는 것을 특징으로 한다.