baber/WOPTO huggingface dataset:
Patent KR-20040020391-A (KR)
Title: Dummy slab extractor in a heating furnace
Inventor: KIM WON HO
IPC: B21B39/00
Filed: 2002-08-30
Abstract: PURPOSE: An apparatus for extracting dummy slab from heating furnace is provided which enables the dummy slab charged into the heating furnace to be extracted promptly and simply from the heating furnace without manual operation and facility damage by extracting the dummy slab in a dummy bar charging direction. CONSTITUTION: The apparatus(1) comprises a slider(40) moved back and forth along in the same direction as a moving direction of the slab extracted from the heating furnace(10); a shaft longitudinally formed in the same direction as the moving direction of the slab and axially rotationally mounted on the slider; a dummy slab extracting bar which is mounted on the shaft so that the dummy slab extracting bar is rotated by means of a pin longitudinally inserted into the dummy slab extracting bar in a width direction of the heating furnace, a lower part of which is positioned under the pin by dead load of the dummy slab extracting bar, and on a lower part of which an inclination plane is formed in such a shape that the inclination plane approaches the heating furnace side as it goes from a lower side to an upper side of the inclination plane; and a stopper installed at the slider to cut off rotation of the dummy slab extracting bar to the heating furnace side in the vertical state that the inclination plane is positioned at a lower side by dead load of the dummy slab extracting bar, wherein the apparatus further comprises a rack formed to a certain length along a length direction of the slider; guiding stands(30) for slidingly receiving the slider; a supporting block(20) for fixing the guiding stands to the apparatus; a pinion engaged with the rack; and a driving motor(46) for rotationally driving the pinion.
Patent KR-20040020397-A (KR)
Title: Cylindrical lens array for scrolling color and projection system employing the same
Inventor: CHO GEON HO
IPC: G03B21/00
Filed: 2002-08-30
Abstract: PURPOSE: A cylindrical lens array for color scrolling and a projection system employing the cylindrical lens array are provided to easily control a scrolling operation. CONSTITUTION: A projection system includes a light source(5), a cylindrical lens array(50), a beam splitter(15), a light valve, and a projection lens unit. The cylindrical lens array is constructed such that a cylindrical lens cells(51) are arranged in the form of an endless track and rotated to scroll a color bar image. The beam splitter splits a beam emitted from the light source. The light valve on-off-control the beam that has passed through the beam splitter and cylindrical lens array in pixel unit according to an input video signal, to form a color image. The projection lens unit projects the image formed by the light valve on a screen.
Patent KR-20030031410-A (KR)
Title: Alkyl substituted tetracyclododecenecarboxylic acid esters, (meth)acrylic acid addition products thereof, and methods for producing the same
Inventor: SHIOMI TAIICHI
IPC: C07C67/347
Filed: 2002-09-18
Abstract: PURPOSE: To provide an alkyl substituted tetracyclododecene carboxylic acid esters and their (meth)acrylic acid adducts useful as materials for photosensitive resist for microfabrication of semiconductor, raw material resin for optical use or the like and to provide methods of producing them. CONSTITUTION: The alkyl substituted tetracyclododecene carboxylic acid esters expressed by general formula (I) are provided in this invention. (In the formula R1 is a 1-4C alkyl group and R2 is a 1-12C hydrocarbon group.). This invention also provides the (meth)acrylic acid adducts of the alkyl substituted tetracyclododecene carboxylic acid esters expressed by general formula (II). (In the formula R1 is a 1-4C alkyl group, R2 is a 1-12C hydrocarbon group and R3 is H or methyl group.).
Patent KR-20030027734-A (KR)
Inventor: HIRSCHMANN MICHAEL
IPC: H01R13/703
Filed: 2002-09-26
Abstract: PURPOSE: An insulating body is provided to improve the safety of a plug without shortening the contact pin or modifying the size of the connector system by rounding the front ends of the guide units. CONSTITUTION: An insulating body to be incorporated in a generator as a constituent of a plug-in connector device is provided with guide parts extended in the direction of plug connection for housing connecting pins(16.1,16.2). The guide parts are extended from the underside face to the top face, and a U-shaped short-circuiting spring is arranged inside the insulating part with the bottom leg part extended in parallel with the bottom face. Two U-shaped leg parts are extended in the direction of the top face. Opposing contact tongue parts(36z1) for pressing the connecting pins when a plug-in connector device is not in a state of being plug-connected are protruded from the U-shaped leg parts.
Patent KR-20040035998-A (KR)
Title: thermal decomposition method of methane using double tube reactor
Inventor: CHOI DAE GI
IPC: C01B3/22
Filed: 2002-10-23
Abstract: PURPOSE: Provided is a thermal decomposition method of methane to simultaneously produce hydrogen gas and carbon black, the method capable of preventing deposit of carbon black on a reactor, thereby preventing operation stop of a reactor and operating a reactor for long time. CONSTITUTION: In an apparatus having a perforated inner pipe(11), an outer pipe(12) coaxially surrounding the inner pipe, and a heater(13) installed on the outside of the outer pipe for heating the inner and outer pipes, the method comprises steps of introducing methane to the inner pipe while introducing hydrogen to a space between the inner pipe and the outer pipe, and heating the pipes at a temperature of 950 to 1300°C. wherein residence time of the methane in a reactor is 0.5 to 3 minutes.
Patent KR-20040036341-A (KR)
Title: High Sensivity photodetector using High Electron Mobility Transistor
Inventor: KIM HUN
IPC: H01L31/10
Filed: 2002-10-24
Abstract: PURPOSE: A high sensitivity light receiving device using an HEMT(High Electron Mobility Transistor) is provided to be capable of improving response time and obtaining optimal sensitivity. CONSTITUTION: A high sensitivity light receiving device using an HEMT is provided with a semi-insulating InP substrate(10), an In0.53Ga0.47As conductive layer(13) formed on the semi-insulating InP substrate, a two-dimensional electron channel layer(14) formed on the conductive layer, and a potential barrier layer(15) formed on the electron channel layer for confining the free electrons existing at the electron channel layer. The high sensitivity light receiving device further includes an N type Al0.48In0.52As electron donor layer(16) formed on the potential barrier layer, an InP window layer(17) formed on the electron donor layer, and an electrode(19) connected with the conductive layer and the electron channel layer.
Patent KR-20040037316-A (KR)
Title: The lead-free piezoelectric ceramic composition for ceramic resonators and manufacturing method thereof
Inventor: AHN CHANG WON
IPC: H01P7/10
Filed: 2002-10-28
Abstract: PURPOSE: Provided is a Pb-free piezoelectric ceramic composition of the (Bi4-xLax)(Ti3-5y/4Vy)O12 + zmol% TiO2 for ceramic oscillators requiring good piezoelectric characteristics and sinterability by substituting V for Ti and adding excess Ti in the conventional (Bi,La)4Ti3O12 system. CONSTITUTION: The Pb-free piezoelectric ceramic composition is expressed by the formula of (Bi4-xLax)(Ti3-5y/4Vy)O12 + zmol% TiO2, wherein x, y and z are in the ranges of 0.7<=x<=0.8 mole, 0.01<=y<=0.3 mole and 0<=z<=10 mol%. The composition is produced by the following steps of: mixing raw materials such as Bi2O3, La2O3, TiO2 and V2O5; calcining at 800deg.C for 2-4hrs; adding additives such as TiO2 and grinding; pressing under pressure of 100MPa; sintering at 900-1200deg.C for 2hrs; polishing the end sides of the compact to be 1mm of thickness; forming Ag electrodes; polarizing electrodes at 9kV/mm and 120deg.C for 20-30min. The resultant Pb-free piezoelectric ceramic composition having improved electromechanical coefficient(kp) and mechanical quality factor(Qm), and wide-bandwidth frequency is used for ceramic oscillators, chip type ceramic oscillators.
Patent KR-20040037929-A (KR)
Title: Method for testing rotation mechanism of intake/exhaust valve for engine
Inventor: JUNG YEONG JONG
IPC: G01M13/00
Filed: 2002-10-31
Abstract: PURPOSE: A method for testing rotation mechanism of an intake/exhaust valve of an engine is provided to precisely analyze the rotation mechanism of the intake/exhaust valve by detecting variation of a gap between a stem section and a sensor. CONSTITUTION: A stem circumferential surface of a valve stem(21) is processed in such a manner that a gap formed between a predetermined portion of the valve stem(21) and the stem circumferential surface is linearly increased with respect to rotation of a valve(20). Then, the valve(20) is mounted on a predetermined position such that the valve(20) performs an on/off operation. A gap sensor(30) is fixedly installed on a predetermined portion of a valve stem processing section(21a). Then, rotation mechanism of the valve(20) is analyzed by using a variation between the stem circumferential surface of a valve stem(21) and the gap detected by the gap sensor(30).
Patent KR-20030044787-A (KR)
Title: Xy pointing device and electronic component mounting apparatus
Inventor: HIRANO RYUUICHI
IPC: G12B5/00
Filed: 2002-11-11
Abstract: PURPOSE: To provide an XY positioning device for positioning a moving body at high accuracy, and an electronic part mounting device for mounting an electronic part to a board with high accuracy. CONSTITUTION: A shape at cross section of an X-axis frame 11 that supports a head unit (a moving body) 4 while allowing movement in a direction is made into a shape symmetric in horizontal and vertical direction. Linear guides 13, 13 that guide the head unit 4 and back plates 14, 14 that reinforce the X-axis frame 11 are formed from the same material into the same shape at cross section. The linear guides 13, 13 and the back plates 14 and 14 are fixed to the X-axis frame 11 in an arrangement in which the shape at cross section in a state where the linear guides 13, 13 and the back plates 14 and 14 are set to the X-axis frame 11 is symmetric in the horizontal and vertical directions. Thereby the X-axis frame 11 and the linear guides 13 and 13 are prevented from distorting concurrent temperature variation, and accuracy in positioning of the head unit 4 is improved.
Patent KR-20040043222-A (KR)
Title: Super Twisted Nematic LCD driver and driving method thereof
Inventor: KIM HYEONG RAE
IPC: G02F1/133
Filed: 2002-11-16
Abstract: PURPOSE: A circuit and a method for driving a super twisted nematic(STN) liquid crystal display are provided to reduce crosstalk and power consumption. CONSTITUTION: A circuit(500) for driving an STN liquid crystal display includes a sub frame counter(510), an N clock counter(520), a frame counter(530) and a liquid crystal polarity inversion signal generator(540). The sub frame counter counts the number of sub frames in response to a clock signal(CLK) and generates a sub frame flag signal(SFFLAG) whenever counting one sub frame. The N clock counter receives an N line signal(NS) and generates an N line flag signal(NLFLAG) whenever N lines are counted in response to the clock signal. The frame counter generates a frame flag signal(FFLAG) whenever n sub frame flag signals are counted. The liquid crystal polarity inversion signal generator receives one of the sub frame flag signal, the N line flag signal and the frame flag signal and generates a liquid crystal polarity inversion signal(M) for inverting the polarity of STN liquid crystal.
Patent KR-20040043380-A (KR)
Inventor: RYU IN CHEOL
IPC: H01L21/28
Filed: 2002-11-18
Abstract: PURPOSE: A method for forming a contact hole of a semiconductor device is provided to prevent the contact resistance value of an upper electrode and a contact hole filling material by reducing variation of contact resistance caused by a difference of an etch depth of the contact hole and by embodying a stable characteristic. CONSTITUTION: The first insulation layer(110) is formed on a semiconductor substrate(100). A conductive layer interconnection is formed on the first insulation layer. The second insulation layer(140) is formed on the first insulation layer including the conductive layer interconnection. A polysilicon layer for an upper electrode(150b) and a material layer(160b) of a low etch rate are sequentially formed on the second insulation layer. Only the material layer of the low etch rate and the polysilicon layer on the conductive layer interconnection and the semiconductor substrate are etched. The third insulation layer(180) is formed on the resultant structure. Contact holes(200,300,400) for an upper electrode contact, the conductive layer interconnection contact and a semiconductor substrate contact are formed inside the insulation layer.
Patent KR-20040043495-A (KR)
Title: mobile communication terminal having a power control function of the LCD backlight and controlling method therefore
Inventor: KO SEUNG WAN
IPC: H04B1/40
Filed: 2002-11-18
Abstract: PURPOSE: A mobile communication terminal comprising a LCD back light power control function and its control method are provided to maximize usage convenience of the mobile communication terminal by controlling a voltage of a LCD back light minutely per desired time of a user. CONSTITUTION: A MSM(Mobile Station Modem)(1) processes a voice traffic signal inputted/output to/from the mobile communication terminal(4) and generates a time control type back light multi step control signal. A LCD panel(2) displays images and character data according to a display function control signal of the MSM. A back light(3) is installed on a rear part of the LCD panel, and is radiated according to the back light multi step control signal of the MSM and enables a user to observe a display signal on the LCD panel visually. A power supply(5) supplies an operation power to each component of the mobile communication terminal. And a switching controller(6) is connected between the power supply and the back light, and switches the supply power of the back light in multi steps according to the back light multi step control signal of the MSM.
Patent KR-20040043809-A (KR)
Title: Tool length auto measuring method for driving machining center
Inventor: HUH MUN YEONG
IPC: B23Q17/00
Filed: 2002-11-20
Abstract: PURPOSE: An automatic measuring method of a tool length during an operation of a machining center is provided to compensate the corroded amount of the tool length by automatically locating a nose of a tool and automatically measuring the length of the tool. CONSTITUTION: A tool is installed in a spindle and a measuring table of a measuring system is moved to a measuring position. A correspondence between a nose of the installed tool and a center of the tool is checked. The nose is located in the center of the measuring table when the nose and the center are not corresponded. An automatic or a semi-automatic measuring method is selected according to a set of a tool length in tool data. In selecting the semi-automatic measuring method, an operation is stopped and the spindle is operated manually to correspond one of noses in the center of the measuring table. The measured tool length and a tool angel are set in the tool data by measuring. In selecting the automatic measuring method, the spindle is stopped at a measuring angle. A corroded amount of the tool length is set in the tool data by measuring the tool length. The spindle is returned to an original position and the measurement of the length is finished. Thereby, the corroded amount of the tool length is compensated during an operation of a machining center.
Patent KR-20040045191-A (KR)
Title: A super water repellent 3 layer fabric with quick absorption & dry function
Inventor: LEE HYEON JIN
IPC: D03D11/00
Filed: 2002-11-22
Abstract: PURPOSE: Three-layered textile is characterized by containing a moisture transition layer between a back absorption layer and a surface super water repellent layer, increasing hygroscopicity of the absorption layer, having moisture-absorbing and quick dry function and having a super water repellent function. The textile is useful for sports wear, leisure wear and a uniform. CONSTITUTION: Three-layered textile comprises: a back absorption layer(1) and a moisture transition layer(2) comprised of hydrophilic layer comprised of polyester or polyamide modified cross-section yarn; and a surface super water repellent layer(3) comprised of a hydrophobic layer coated with a silicone type or a fluoric water repellent ingredient. The modified cross-section yarn is selected from cotton, rayon and wool having a hydrophilic function having at least 8% of official regain.
Patent KR-20030044828-A (KR)
Title: Electrode material, dielectric material and plasma display panel using them
Inventor: FUJII TOSHIO
IPC: H01J11/22
Filed: 2002-11-28
Abstract: PURPOSE: An electrode material for a plasma display panel is provided to achieve a material usable for the electrodes and the dielectric layer of PDPs and capable of reducing the occurrence of yellowing, and high image quality PDP using the material. CONSTITUTION: An electrode material for a plasma display panel comprises Ag powder, glass powder containing 25 to 50 wt% of Bi2O3, 5 to 35 wt% of B2O3, 10 to 20 wt% of ZnO, 5 to 20 wt% of BaO, 0 to 15wt% of SiO2 and 0 to 10 wt% of Al2O3, and an organic component containing a resin and a solvent. A dielectric material for a plasma display panel comprises glass powder containing 25 to 50 wt% of Bi2O3, 5 to 35 wt% of B2O3, 10 to 20 wt% of ZnO, 5 to 20 wt% of BaO, 0 to 15wt% of SiO2 and 0 to 10 wt% of Al2O3, and an organic component containing a resin and a solvent. A plasma display panel comprises a plurality of electrodes comprising a first glass and Ag, a dielectric layer comprising a second glass and insulating the electrodes from each other. At least one of the first glass and the second glass contains 25 to 50 wt% of Bi2O3, 5 to 35 wt% of B2O3, 10 to 20 wt% of ZnO, 5 to 20 wt% of BaO, 0 to 15 wt% of SiO2 and 0 to 10 wt% of Al2O3.
Patent KR-20030004226-A (KR)
Title: Self rotation machine
Inventor: CHOI YOUNG YUN
IPC: F03G7/10
Filed: 2002-12-04
Abstract: PURPOSE: A self rotation power engine is provided to rotate by using a spring, an elastic body, and a lever. CONSTITUTION: A big arc body(40) and a small arc body(50) are paired as a set to the frame of plus shape. A groove is formed to cross a connection line in the center of a rotation shaft, and a ring is connected to the center portion of the rotation shaft. Frames of a hollow shape are provided to fix an asymmetric bar, and the frames are fixed to the ring in a plus shape. Four big arc body and four small arc body are provided each, and a lever spring having a pulley(70) is connected to the big arc body. A cam is connected in both side of the rotation shaft, and the big arc body is hinge-connected to the upper end of the frame. The small arc body is connected to the asymmetric bar, and both ends of the small arc body are connected with wires.
Patent KR-20040049536-A (KR)
Title: Automatic lottery ticket sale system
Inventor: NAM HO SEONG
Filed: 2002-12-06
Abstract: PURPOSE: A system for automatically issuing a drawing typed lottery is provided to remove the expense needed for distributing/collecting the lottery by printing/selling the lottery as much as the needed amount through the interlock between a lottery terminal and a lottery managing computer. CONSTITUTION: A key input part(313) reads the key data selecting a kind and the sheets of the lottery. A lottery selling part(301) transmits the lottery purchase request information including the kind/sheets information of the lottery and the ID information of the lottery terminal to a lottery managing computer, and receives the corresponding lottery information from the lottery managing computer. A lottery printer(315) prints the selected lottery by using the lottery information. A fee recorder(303) records a fee for the lottery sales. A communicator(309) transmits/receives a signal between the lottery terminal and the lottery managing computer.
Patent KR-20040053969-A (KR)
Title: The direction of the wind control method for air conditioner
Inventor: AHN TAE YONG
IPC: F24F13/00
Filed: 2002-12-16
Abstract: PURPOSE: A method for controlling a wind direction of an air conditioner is provided to promptly and equally realize the effect of cooling or heating by changing speed of revolution of horizontal louvers. CONSTITUTION: If an air conditioner is turned on, it is confirmed whether a right and left wind direction control button is inputted. If so, a step motor for right and left is driven to rotate vertical louvers right and left. Horizontal louvers are rotated up and down while changing revolutions per minute of the step motor according to frequency of button input. If the right and left wind direction control button is inputted again, the vertical louvers stop rotating.
Patent KR-20040055189-A (KR)
Title: Liquid crystal display
Inventor: KIM SANG RAE
IPC: G02F1/1345
Filed: 2002-12-20
Abstract: PURPOSE: An LCD device is provided to cut off a gate low voltage from flowing into a timing controller through an LOG(Line On Glass)-type gate low voltage transmission line by a clipping circuit, thereby minimizing a horizontal band phenomenon generated on an LCD panel owing to a change of the gate low voltage. CONSTITUTION: Plural data TCPs(Tape Carrier Packages)(108) are connected between an LCD panel(101) and a data PCB(112). Plural gate TCPs(114) are connected to other side of the LCD panel(101). Data drive ICs(110) are mounted on the data TCPs(108), respectively. Gate drive ICs(116) are mounted on the gate TCPs(114), respectively. A clipping circuit(140) is disposed on the data PCB(112), and cuts off a reverse voltage from the gate drive ICs(116). The LCD panel(101) comprises as follows. A lower substrate(102) forms various signal lines and a TFT array. An upper substrate(104) forms a color filter array. A liquid crystal is injected between the lower substrate(102) and the upper substrate(104).
Patent KR-20040056317-A (KR)
Title: Defect inspection apparatus for coil top part
Inventor: KIM MYEONG UN
IPC: G01N21/88
Filed: 2002-12-23
Abstract: PURPOSE: An apparatus for inspecting defect in a front end of a coil is provided to rapidly inspect the front end of the coil without cooling the coil by inserting an inspection unit into an inner diameter section of the coil. CONSTITUTION: An apparatus for inspecting defect in a front end of a coil includes a rack gear(13) installed on a ground. A pinion gear(12) is engaged with an upper portion of the rack gear(13). The pinion gear(12) is rotatably installed at both sides of a lower portion of a transfer vehicle(10). A supporting plate(20) is provided on an upper portion of the transfer vehicle(10). A motor(21) is placed on an upper surface of the supporting plate(20). A rotating member(30) is coupled to a rotating shaft(22). An outer portion of the rotating member(30) is smoothly curved. An insertion hole(31) is formed at a center of the rotating member(30) in order to receive a top part of a coil(2).
Patent KR-20040059458-A (KR)
Inventor: JANG YEONG BAE
IPC: G11C16/00
Filed: 2002-12-30
Abstract: PURPOSE: A flash memory device is provided to reduce write time and test time by latching four or eight program data in sequence and performing a write operation at the same time. CONSTITUTION: A memory cell array(10) includes a plurality of flash memory cells. A column decoder(30) outputs a column selection signal by decoding a lower address among addresses inputted through an address bus(20). A row decoder(40) drives a word line by decoding an upper address among the addresses inputted through the address bus. A column selection unit(50) selects a column line using the column selection signal. A plurality of latch arrays(70) latch data inputted through a data bus(60). And a plurality of sense amplifiers(80) amplify data stored in the flash memory cell and then outputs it to the data bus. The latch array includes at least more than two latches.