baber/WOPTO huggingface dataset:
Patent KR-20030015975-A (KR)
Title: A short-distance visual acuity tester and an aligning method of its origin point
Inventor: JUNG YEONG JU
IPC: A61B3/032
Filed: 2001-08-20
Abstract: PURPOSE: A short-distance visual acuity tester and an aligning method of its origin point are provided to achieve improved reliability of initial operation of the tester, while allowing the origin to be adjusted in a convenient manner. CONSTITUTION: A short-distance visual acuity tester comprises a visual acuity testing chart(62) operating by a first stepping motor(61); one or more masks(63) operating by a second stepping motor, and which permits only a predetermined part of the visual acuity testing chart to be shown; a position sensor(64) for detecting the absolute position of the chart or mask when a power is applied; a control unit(66) for controlling detection operation of the movement of the chart or mask, and the absolute position detection operation of the position sensor; and a memory(67) for storing origin adjustment data related to driving signals of first and second stepping motors for moving the chart and mask to their original positions when a power is applied.
Patent KR-20030019773-A (KR)
Title: Hands free set with lcd monitor
Inventor: CHOI KI BUM
IPC: H04B1/38
Filed: 2001-08-31
Abstract: PURPOSE: A handsfree having a liquid crystal monitor is provided to add a video processing function to an ordinary handsfree, so as to transceive motion pictures, such as color video and video on TV, together with voice even during driving. CONSTITUTION: An audio signal processor(40) processes audio signals in a handsfree body cradling a cell phone. A speaker(41) outputs voice of the other party inputted from the cell phone. A microphone(42) is for inputting own voice in the cell phone to deliver the voice to the other party. A cell phone connection jack(10) includes an input part(11) and an output part(12) for inputting and outputting audio signals and video signals. A video signal processor(30) processes video signals transceived in the cell phone through the cell phone connection jack(10). An external output jack(31) outputs the video signals processed in the video signal processor(30) to the external. A liquid crystal monitor(50) displays inputted video signals on a screen. A camera(32) shoots a self image for delivery to the video signal processor(30). And a power switch(20) selectively turns on and off the input part(11) and the output part(12).
Patent KR-20030020131-A (KR)
Title: Laser emission apparatus
Inventor: JANG JUN UK
IPC: H01S5/06
Filed: 2001-09-03
Abstract: PURPOSE: A laser oscillating apparatus is provided to improve the stability of process by adjusting an amount of fluorine gas supply when the amount of laser oscillation is decreased. CONSTITUTION: A nozzle(11) is provided on a chamber(10) for injecting krypton, fluorine, neon gases. A sensing unit(20) for sensing the amount of laser oscillation is installed on the side of the chamber(10). A power supply unit(30) for supplying high-voltage electrical energy is installed on the chamber(10). The high-voltage electrical energy is a pumping energy. A controller(40) for controlling the high-voltage electrical energy is installed on the chamber(10). The controller(40) compares a predetermined amount of laser oscillation with a sensed amount of laser oscillation and computes a difference between the amounts to control an amount of fluorine gas supply.
Patent KR-20030020635-A (KR)
Title: User information transmission method between pdsn and aaa server in imt-2000 data core network
Inventor: DO SANG U
IPC: H04L12/46
Filed: 2001-09-04
Abstract: PURPOSE: A method for transmitting user information between a packet data service node and an AAA server in an IMT-2000 data core network is provided to reduce network connection time of a user by reducing negotiation processes. CONSTITUTION: A PDSN(Packet Data Service Node) receives an R-P registration request message from a mobile station and transmits an access request message to an AAA(Authentication, Authorization, Accounting) server at the same time(S10). The AAA server transmits an access response message including profiles to the PDSN(S20). The PDSN analyzes the access response message and thereafter executes an LCP(Link Control Protocol) negotiation process related to link setup with the mobile station(S30). The PDSN determines whether an authentication parameter is set up in the profile of the access response message(S40). If not set up, the PDSN provides an Internet service through call connection after executing an IPCP(IP Control Protocol) negotiation process with the mobile station and transmits charging information to the AAA server when the Internet service is terminated(S50). If set up, the PDSN provides the Internet service through call connection after executing CHAP(Challenge-Handshake Authentication Protocol), IPCP, and MIP(Mobile IP) negotiation processes with the mobile station in order, and transmits charging information to the AAA server when the Internet service is terminated(S60).
Patent KR-20020025844-A (KR)
Inventor: NAKANISHI KAJUHIKO
IPC: G03F1/84
Filed: 2001-09-29
Abstract: PURPOSE: A method and a device for inspecting defects of a gray tone mask and a method and a device for inspecting defects of a photomask are provided to guarantee the transmissivity of the gray tone part of the gray tone mask and carry out the inspection of the micro pattern of the photomask with a high precision. CONSTITUTION: A method for inspecting defects of a dray tone mask includes the steps of using transmissivity signals(7) obtained by scanning patterns in the mask, setting threshold values(8a,8b) of the transmissivity defect in the gray tone part with respect to the transmissivity signal, and determining the defect of the transmissivity in the gray tone part if the transmissivity signal value exceeds the threshold values.
Patent KR-20020029307-A (KR)
Title: Objective lens for optical head
Inventor: MARUYAMA KOICHI
IPC: G11B7/135
Filed: 2001-10-11
Abstract: PURPOSE: An objective lens of an optical head is provided to restrict variation of converging from change of temperature around the objective lens by forming the diffraction lens structure, and to cut down expenses by simplifying the structure. CONSTITUTION: A single element objective lens(10) for an optical disc drive converges a laser beam emitted by a laser source on a data recording surface of an optical disc through a protective layer of the optical disc. One surface of the objective lens is divided into a central area including an optical axis thereof and a peripheral area surrounding the central area. The peripheral area is provided with the diffraction lens structure formed by plural concentric annular zones including minute steps. The central area is a continuous surface having no stepped portions. The diffraction lens structure compensates for variation of converging characteristics of the objective lens due to change of temperature.
Patent KR-20030032163-A (KR)
Inventor: KIM DONG SEOK
IPC: G03F7/027
Filed: 2001-10-16
Abstract: PURPOSE: Provided are a photosensitive polymer for photoresist, which has flexible backbone structure and low glass transition temperature, and a photoresist composition having high resolution and anti-etching property. CONSTITUTION: The photosensitive polymer using adamantane ester derivative vinyl ether group, is represented by formula 1(wherein x is an integer of 2-6, R1 is hydrogen or methyl group, R2 is hydrocarbyl radical of C4-C20, l:m:n = 0.1-0.4:0.1-0.5:0.1-0.4). Also, R2 is t-butyl group, tetrahydropyranyl group or C7-C14 alicyclic hydrocarbyl group. The photosensitive polymer has weight average molecular weight(Mw) of 3000-50000. The photoresist composition comprises the photosensitive polymer and a photoacid generator(PAG).
Patent KR-20020041752-A (KR)
Inventor: HARADA SHIGEKI
IPC: H01J17/49
Filed: 2001-11-27
Abstract: PURPOSE: A PDP(Plasma Display Panel) is provided to prevent erroneous discharge and emission in adjacent cell spaces by improving luminous efficiency. CONSTITUTION: A bus electrodes(4X), a bus electrodes(5Y) and a transparent electrodes(6) are formed on the side of a front substrate which faces the back substrate(1) in parallel. A dielectric film is formed on the front substrate to cover the bus electrodes(4X,5Y) and the transparent electrodes(6) and a protective film is formed on the dielectric film. A thick film of a low melting point glass is used as the dielectric film(13) formed on the front substrate and a deposited film of MgO is used as the protective film, for example. The bus electrodes(4X,5Y) and the transparent electrodes(6) are separated from the barrier ribs(2). The front substrate is placed so that the edges of the barrier ribs(2) abut on the protective film formed on the front substrate.
Patent KR-20030046254-A (KR)
Title: Apparatus for correcting transformation of rotary annealing furnace
Inventor: JANG BYEONG GU
IPC: F27B7/20
Filed: 2001-12-05
Abstract: PURPOSE: A deformation correcting apparatus for a rotary kiln is provided to improve productivity by lifting up a deformation part using a hydraulic cylinder when a deformation is created in the rotary kiln. CONSTITUTION: A plurality of sensors(S1) are fixedly installed at an outer peripheral portion of a rotary kiln(1). A position detecting sensor(S2) is fixedly installed at a lower portion of the rotary kiln(1). The position detecting sensor(S2) is spaced from the sensors(S1) by a predetermined distance. A supporter(110) is provided to support a lower portion of the rotary kiln(1). An actuating section(120) is installed at a lower portion of the supporter(110) so as to lift up a sagged part of the rotary kiln(1). A control section(130) operates the actuating section(120) based on a signal transmitted from the position detecting sensor(S2).
Patent KR-20030047358-A (KR)
Title: Tail Gate Glass Flip Up Hinge Structure For Vehicle
Inventor: SONG DAE SEOP
IPC: B60J1/18
Filed: 2001-12-10
Abstract: PURPOSE: A rotational opening and closing structure of a tailgate glass for a vehicle is provided to improve the appearance by preventing the exposure of a female hinge and a mail hinge. CONSTITUTION: A recessively folded portion(11a) is formed in a tailgate outer panel(11). A female hinge(12) is installed in the recessively folded portion. A male hinge(14) is formed in the rear upper face of the tailgate glass to be combined with the female hinge. A tailgate outer panel garnish(16) is installed in the front face of the tailgate outer panel to seal the recessively folded portion. A tailgate glass garnish(17) is installed in the front upper part of a tailgate glass(13). Thereby, the protrusions and the exposure of the male hinge and the female hinge are prevented. Therefore, the rear appearance of a vehicle is improved.
Patent KR-20030048203-A (KR)
Inventor: AHN SEONG HWAN
IPC: H01L21/8242
Filed: 2001-12-11
Abstract: PURPOSE: A method of manufacturing a capacitor in a semiconductor device is provided to simplify processes and prevent a leakage current by an etching technique of covering Pt on a Pt pattern. CONSTITUTION: An interlayer dielectric having a contact hole is formed on a semiconductor substrate(100). A contact plug is formed. An adhesive layer, the first Pt layer(106), and an insulation layer for a hard mask are formed on the resultant structure. The insulation layer is selectively etched, etching the first Pt layer by using the insulation layer as a mask. With the insulation layer removed, the adhesive layer is etched. The second Pt layer(109) is deposited on the resultant structure and a bottom electrode(110) of the capacitor consisting of the first and second Pt layer is formed by an etching process. A dielectric layer(111) is formed on the bottom electrode. A top electrode consisting of the third Pt layer is formed on the dielectric layer.
Patent KR-20020003340-A (KR)
Inventor: JEONG SEONG HWA
IPC: C04B14/02
Filed: 2001-12-11
Abstract: PURPOSE: A composition for forming blocks is provided, which is produced by adding either one or both of elvan and jade emitting a large quantity of far infrared rays and roasted salt to an ingredient commonly used for forming blocks so that the blocks prepared therefrom is not harmful to human bodies. CONSTITUTION: The composition for forming blocks includes a conventional mixture of cement, sand and gravel, 1 to 5 wt% of powders of any one selected from elvan, jade and a mixture thereof having the size similar to that of cement particle, and 1 to 5 wt% of crushed bodies of any one selected from elvan, jade and a mixture thereof having the size similar to those of sand and gravel. The composition also includes roasted salt prepared by melting rock salt or sun-dried salt at 840 to 1000 deg.C for about 24 hours and cooling, followed by crushing to a size similar to that of the cement. The added amount of the roasted salt is similar to that of elvan or jade.
Patent KR-20030048327-A (KR)
Title: A method manufacturing a thin film transistor substrate
Inventor: CHO HONG JE
IPC: H01L29/786
Filed: 2001-12-12
Abstract: PURPOSE: A method for manufacturing a TFT(Thin Film Transistor) substrate is provided to be capable of preventing the generation of residuals by additionally carrying out a wet cleaning process using a cleaning solution containing nitric acid. CONSTITUTION: A gate line(22) and a gate wiring including a gate electrode(26) are formed on an insulating substrate(10). A gate insulating layer(30) is formed on the resultant structure. A semiconductor layer(40) is formed on the gate insulating layer of the gate electrode. A resistive contact layer is formed on the upper portion of the semiconductor layer. The first conductive layer(601) made of chrome and an upper layer(602) are sequentially formed on the resultant structure. A data line, a source electrode(65) and a data wiring including a drain electrode(66) are formed by etching the first conductive layer and the upper layer using an etchant mixed with Ce(NH4)2(NO3)6 of 8-12 %, NH3 of 4-12 %, and deionized water. Preferably, an additional wet cleaning process is carried out using an etchant containing nitric acid of 4-8 % and deionized water after forming the data wiring.
Patent KR-20030048943-A (KR)
Title: Digital picture frame
Inventor: HONG SA HYEOK
IPC: G06F15/02
Filed: 2001-12-13
Abstract: PURPOSE: A digital photography frame is provided to mount a digital camera, and to enable a user to take a photo of target objects by using the mounted digital camera without a help of external devices. CONSTITUTION: The device comprises a RISC(Reduced Instruction Set Computer), a digital camera(10), a flash memory(20), an SDRAM(Synchronous Dynamic Random Access Memory, 30), a touch screen module(40), a display(50), a USB(Universal Serial Bus) module(60), a bluetooth module(70), and a serial communication module(80). The RISC controls the operation of each component. The digital camera enables a user to take a digital photo of target objects. The flash memory(20) and the SDRAM(30) store the files of the photo of the target objects taken at the digital camera(10). The touch screen module(40) enables a user to input data or instructions. The display(50) displays the taken photo according to a control of the RISC. The USB module(60) transfers the photo files to a personal computer(100).
Patent KR-20020082395-A (KR)
Inventor: HASHIMOTO TOMOAKI
IPC: H05K1/11
Filed: 2001-12-18
Abstract: PURPOSE: To provide a land grid array semiconductor device which is reformed to improve the positioning accuracy of the external electrode of a mounting board. CONSTITUTION: An external electrode 11 is arranged in an area array form on one side of the board 2. The external electrode 11 includes an external electrode pad 11a and a external electrode wire 6. The external electrode pad 11a includes a first pad layer 12 made in a columnar form, and a second pad layer 13 made conically to cover the surface of the first pad layer 12.
Patent KR-20030050436-A (KR)
Title: safety system for fuel filler door
Inventor: EUN SEUNG GI
IPC: B60K15/04
Filed: 2001-12-18
Abstract: PURPOSE: A fuel injection door safety device is provided to prevent breakage of a fuel injection door and an accident when a sliding type door is open while fuel is injected. CONSTITUTION: A fuel injection door safety device(100) comprises an operating part(110), a moving part(120), and a transmission rod(117). In the operating part, a shaft(113) with a rotating plate(114) is inserted in a holder(111), each end portion of a spring(116) is mounted to one side of the rotating late and the holder, and an operating rod(115) is connected to the other side of the rotating plate. In the moving part, the shaft with a rotating plate(124) is mounted to a mounting plate(121), each end portion of a spring(126) is connected to one side of the rotating plate and the mounting plate, and a moving rod(125) is connected to the other side of the rotating plate. The transmission rod connects one end of the rotating plate of the operating part and one end of the rotating plate of the moving part. Accordingly, a slide door prevents breakage of the fuel injection door.
Patent KR-20030053872-A (KR)
Title: Fixed structure for guide rail on the vegetable room of kimchi refrigerator
Inventor: KO BONG GYUN
IPC: F25D11/04
Filed: 2001-12-24
Abstract: PURPOSE: A structure for fixing a guide rail of a kimchi refrigerator is provided to improve efficiency of assembly. CONSTITUTION: A structure includes a plurality of fixing units such as links(12) or hooks formed on an inside(11) of a receiving space to hook and support a guide rail(50) formed to allow a storage unit of a kimchi refrigerator such as a vegetable compartment to be opened and closed like a drawer. The guide rail is inserted to the fixing units and fixed on the inside of the receiving space. The fixing unit is integrally formed on the inside of the receiving space for a part of the guide rail to be inserted to an inside thereof. The guide rail is formed telescopically. Balls(53) are interposed between the guide rail and an extension shaft(52) to reduce frictional resistance. The guide rail is formed to be C-shaped and has a first bent end(54) and a second bent end(55) facing each other. The first bent end is temporarily fixed by the link to allow a worker to handle assembly tools and a coupling member without supporting the guide rail by hands for smooth work.
Patent KR-20030053883-A (KR)
Title: Methode and Apparatus for Gathering Fly Ash by Using a Cyclone for Unburned Carbon Analysis in a Power Plant
Inventor: JUNG DO YEONG
IPC: B04C9/00
Filed: 2001-12-24
Abstract: PURPOSE: Provided are an apparatus and a method for extraction of fly ash available for analyzing non-combustible carbon by using cyclone to directly extract the fly ash among exhaust gas discharged from exhaust ducts of any coal fired boiler. CONSTITUTION: The apparatus comprises a housing(200), an exhaust duct(120), a sampling probe(210), a transfer pipe(220), a cyclone(230), a capturing bottle(232), exhaust pipes(240,242), a flow controller valve(244) for exhaust gas, a condensed water valve(246), a vacuum generating part(250), a vacuum on/off valve(252), a ventilation pipe(260) for introducing fresh air to remove residual fly ash in respective parts(252,220,230,240,242), a flushing valve(262) to control amount of the fresh air, an electric heating part(270) to keep temperature of respective parts(210,220,230) in desired level higher than 100 deg.C and a power supply(280).
Patent KR-20030053961-A (KR)
Title: Method for fabricating semiconductor device
Inventor: PARK CHEOL SU
IPC: H01L27/108
Filed: 2001-12-24
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of simplify manufacturing processes and reducing fabrication cost by simultaneously forming a plurality of bit line contact holes. CONSTITUTION: The second contact plug(39a) and a pillar type storage node(39b) are formed at the upper portion of a semiconductor substrate(21). Then, a capacitor isolating layer(41), a plate electrode(43) are sequentially formed on the entire surface of the resultant structure. After thickly forming the second insulating layer(45) on the plate electrode(43), a photoresist pattern is formed on the resultant structure. A plurality of bit line contact holes are formed by sequentially etching the second insulating layer, plate electrode, and capacitor isolating layer using the photoresist pattern as a mask. After removing the photoresist pattern, a conductive layer(53) is formed on the resultant structure for completely filling the bit line contact holes.
Patent KR-20030054201-A (KR)
Title: Interface circuit with high frequency clock of semiconductor memory device
Inventor: LEE JEONG SUK
IPC: G11C7/10
Filed: 2001-12-24
Abstract: PURPOSE: An interface circuit of a memory apparatus using a high frequency clock is provided to reduce the noise due to a setup/hold time violation by using an enable signal generating unit and a control unit. CONSTITUTION: A first internal delay unit(530) receives and delays a data enable signal(DEN) in response to a reference clock signal(CLK) to generate an initial delay data enable signal(PDEN). An enable signal generating unit(550) receives the initial delay data enable signal(PDEN) to generate a delay data enable signal(ENX) delaying an active section of the initial delay data enable signal(PDEN) for a predetermined time. A second internal delay unit(540) receives and delays a data signal(DATA) in response to the reference clock signal(CLK) to generate an initial delay data signal(PDDATA). A data delay control unit(560) receives the initial delay data signal(PDDATA) and responds to a first control signal(CS1) and a second control signal(CS2) to generate a delay data signal(DATAX) delaying the initial delay data signal(PDDATA) for a predetermined time. A transmitting unit(570) receives the delay data signal(DATAX) and responds to the delay data enable signal(PDEN) to apply the delay data signal(DATAX) to a pad(580).
Patent KR-20030056065-A (KR)
Title: Cocation exchange ferrierite catalyst for and mothod of removing nitrogen oxide
Inventor: BAEK YEONG SUN
IPC: B01J23/83
Filed: 2001-12-27
Abstract: PURPOSE: Provided are a cocation exchange ferrierite catalyst with high catalytic activity even in the presence of water in flue gas, and a method for eliminating nitrogen oxide using the same. CONSTITUTION: The catalyst contains 0.1-4.5 wt.% of a metal such as Pa, Pt, La, Ir, In and Sr and 1.0-6.0 wt.% of Co. The method comprises the step of making a gas containing nitrogen oxide or 2-20 wt.% of water react with the catalyst using non-saturated hydrocarbon(1<=C<=4) as a reducing agent at temperature of 200-800°C, while introducing the gas to a reactor at space velocity of 3,000-100,000 per hour, wherein the reducing agent is methane.
Patent KR-20030056867-A (KR)
Title: optical disk of high density and production method of the same
Inventor: LEE JUN SEOK
IPC: G11B7/26
Filed: 2001-12-28
Abstract: PURPOSE: A high density optical disk and a method for manufacturing the same are provided to prevent recorded and played signals from being distorted, by preventing vibration generated in rotating an optical disk at a high speed, and reduce the manufacturing cost by reducing the thickness of a substrate. CONSTITUTION: A first fused substance(10) having excellent injection characteristics is poured into a cavity of an injection molding machine with a stamper having pre-groove or pre-pit tracks. A second fused substance(20) stronger than the first fused substance is poured into the cavity of the injection molding machine through a second hopper and a second cylinder. A metal mold is compressed to transfer the pre-grooves or pre-pits of the stamper to an interface of the first fused substance. An integrated substrate made up of the first fused substance and the second fused substance is cooled and extracted. A reflective layer(30), an information layer(40), and a cover layer(50) are accumulated on the integrated substrate in order.