baber/WOPTO huggingface dataset:
Patent KR-20030087828-A (KR)
Title: Polymer electrolytes based on acrylonitrile polymers and method for preparing the same
Inventor: JANG SUN HO
IPC: C08J5/18
Filed: 2002-05-10
Abstract: PURPOSE: Provided is a non-aqueous polymer electrolyte for a secondary battery, which can improve impregnation and maintenance properties of electrolyte solution, a yield of cations, and ionic conductivity. CONSTITUTION: The polymer electrolyte is produced by a process comprising the steps of: (10) dissolving a polymer containing an acrylonitrile repeating unit and an inorganic material in a cosolvent to prepare an acrylonitrile polymer solution, wherein the polymer containing the acrylonitrile repeating unit is one selected from the group consisting of polyacrylonitrile, copolymer of acrylonitrile and butadiene, copolymer of acrylonitrile and methacrylonitrile, terpolymer of acrylonitrile, butadiene and acrylic acid, and etc.; (20) forming a porous polymer film from the acrylonitrile polymer solution by a phase-conversion method; (30) soaking the porous polymer film in an electrolyte having a lithium salt and a cationic organic additive.
Patent KR-20030088924-A (KR)
Inventor: JUN GYU CHEOL
IPC: H01H3/12
Filed: 2002-05-15
Abstract: PURPOSE: A key switch is provided to simplify a structure and an assembling process by using a contact point between both links as a rotary axis. CONSTITUTION: A key switch includes a key top(10) for receiving the pressure of a user's finger, a link(20) for transmitting an operation of a key by the pressure of the key top(10), and an FPC(Flexible Printed Circuit)(30) for recognizing the operation of the key from the link(20). The link(20) is formed with an elastic body, a shoulder portion(24), the first leg(21), and the second leg(22). A groove(25) and a projection(26) are formed at each predetermined position of the first and the second legs(21,22), respectively. A link rotation shaft(26T) is formed with the groove(25) and the projection(26). A fixing projection(29) is formed at each side of the first and the second legs(21,22), respectively. The fixing projection(29) is connected to a frame(40) and a frame projection(41). The shoulder portion(24) is rotated around the link rotation shaft(26T) and the link rotation shaft(26T) is elevated from the fixing projection(29) when the key top(10) is moved to the bottom direction.
Patent KR-20030089913-A (KR)
Title: Clothes Washing Machine Having Drain Pump
Inventor: KIM JAE MYEONG
IPC: D06F39/08
Filed: 2002-05-20
Abstract: PURPOSE: A washing machine with a drain pump is provided to clean a filter chamber and a filter conveniently by separating the filter from a pump with inclining the inner periphery of the filter chamber, and to install conveniently and quickly by fixing the pump firmly with a screw. CONSTITUTION: A filter(70) is composed of a filtering plate(72) formed corresponding to the inner end of the smallest filter chamber, a lid(73) having the diameter corresponding to the outer end of the largest filter chamber, and plural connecting bars(74) tilting to the inclined surface of the filter chamber and connecting the filtering plate with the lid. The inner periphery of the filter chamber is inclined, and a groove between first and second oval pads and a first screw hole are formed in the opening end of the filter chamber. An oval installation hole and a second screw hole are formed in the housing, and the single screw is combined with the first and second screw holes in fitting the first and second pads to the installation hole.
Patent KR-20020064228-A (KR)
Inventor: PARK CHAN U
IPC: C02F11/00
Filed: 2002-05-25
Abstract: PURPOSE: A car for sucking sludge which can dispose sludge continuously by draining water contained in the sludge for reducing the volume of sludge is provided to reduce the numbers of car for sucking sludge. CONSTITUTION: The car for sucking sludge(30) comprises a separation board which divides storage tank(32) into sludge tank(32a) and water tank(32b), a pumping means which is composed of hydraulic motor, drainage pump and drainage hose(40). The separation board is composed of strainer for filtering sludge.
Patent KR-20030097288-A (KR)
Title: Process method for lignocellulose activated carbon
Inventor: CHOI JEONG IL
IPC: C01B31/08
Filed: 2002-06-20
Abstract: PURPOSE: A preparation method of lignocellulose based activated carbon is provided to prepare activated carbon having high density and high performance by a simpler preparation process compared to an existing preparation process. CONSTITUTION: The preparation method comprises processes of mixing lignocellulose, chemical activating agent and water; thermosetting the mixture; pulverizing the thermosetted mixture; adding molding supporting agent to the pulverized material; cohering the molding supporting agent added material; forming the cohered material into a high density pellet shaped thermosetting powder using an injector, and chamfering cohered material at the same time; drying the chamfered thermosetting powder at a temperature of 120 to 150 deg.C for 1 to 2 hours; activating the dried material to a temperature of 400 to 600 deg.C in a furnace; cleaning the residual chemical activating agent using water; and drying the water cleaned residual chemical activating agent, wherein mixing, thermosetting, pulverizing, molding supporting agent adding and cohering processes of the lignocellulose, chemical activating agent and water are performed in a lump in a high shearing force mixer to which a heating source is attached.
Patent KR-20040000679-A (KR)
Title: Method of manufacturing high voltage device
Inventor: KIM HEUNG JIN
IPC: H01L21/336
Filed: 2002-06-25
Abstract: PURPOSE: A method for fabricating a high-voltage device is provided to obtain relatively the shallow junction and stabilize an electrical characteristic by forming a channel of the high-voltage device as a trench channel. CONSTITUTION: A semiconductor substrate(41) having an isolation region, an active region, and a high-voltage well(43) is provided. The first trench and the second trench are formed on each center portion of the isolation region and the active region, respectively. A trench type isolation layer(45a) is formed on the isolation region by an insulating layer into the first and the second trench. A drift region(47) is formed by implanting impurities into the active region. The insulating layer is removed from the second trench. A gate oxide layer(49) and a gate conductive layer are formed on an entire region of the semiconductor substrate(41). A gate electrode(50) is formed on the semiconductor substrate(41) by patterning the gate conductive layer and the gate oxide layer(49). A spacer(51) is formed on both sidewalls of the gate electrode. A source/drain region(52) is formed on the surface of the semiconductor substrate(41) of both sides of the gate electrode(50). A silicide layer(53) is formed on each surface of the gate electrode(50) and the source/drain region(52).
Patent KR-20040000789-A (KR)
Title: Oxidant Complex for Treatment of Non-degradable Industrial Waste Water and A Treating Method of Industrial Waste Water Using the same
Inventor: HAN JAE PIL
IPC: C02F1/72
Filed: 2002-06-25
Abstract: PURPOSE: Provided are complex oxidizing agent and a method for treating recalcitrant wastewater, the method being capable of drastically reducing non-degradable COD which is not decomposed by biological and chemical treatments in a short time. CONSTITUTION: The oxidizing agent comprises 5 to 30g of an inorganic peroxide selected from the group being consisted of sodium carbonate peroxyhydrate, sodium perborate, and its mixture; 5 to 30g of an oxidation accelerator selected from the group being consisted of disodium peroxodisulphate, diammonium peroxodisulphate, chromic peroxodisulphate, and dihydrazine sulfate; and 50 to 90g of water. The method comprises the physicochemical treatment step including the subsidiary steps of neutralizing raw wastewater and coagulating solids in wastewater, the biological treatment step for reducing BOD and COD in the wastewater by a biological reaction, the oxidation step of oxidizing non-degradable COD in the wastewater using the complex oxidizing agent, and the post treatment step including the subsidiary steps of neutralizing effluent water and coagulating solids in effluent water.
Patent KR-20030025165-A (KR)
Title: article storage apparatus
Inventor: FUKUO MICHIHIRO
IPC: B60N3/10
Filed: 2002-06-27
Abstract: PURPOSE: To improve the loading/unloading performance or stably holding performance of an article, and to improve the flexibility of application by satisfactorily enabling use of a article housing part for loading a small article or holding of a relatively long article such as a bottle. CONSTITUTION: In this article housing device 1 installed inside a vehicle and equipped with a housing part 2 for loading an article and a door for opening or closing the opening of the housing part 2, the housing part 2 is almost subdivided by both side faces, back face, and internal bottom face, and equipped with a guide groove 6 formed along projecting edge parts 5a at both the sides, and a shutter 10 bendable to a sliding direction as the door is slidably assembled into the guide groove 6.
Patent KR-20040001296-A (KR)
Title: Method for Trellis Encoder Design of Multiple Trellis Coded Modulation for Noncoherent Continuous Frequency Shift Keying for Interleaved Rician Fading Channel
Inventor: KIM CHANG JUNG
IPC: H04L27/18
Filed: 2002-06-27
Abstract: PURPOSE: A method for designing a trellis encoder of an MTCM/NCPFSK(Multiple Trellis Coded Modulator for Noncoherent Continuous Phase Frequency Shift Keying) adapted for an interleaved rician fading channel is provided to optimize the trellis encoder by analyzing the error correction performance of the MTCM/NCPFSK under the interleaved rician fading environment. CONSTITUTION: A minimum effective distance of encoders, a distance product corresponding to the minimum effective distance, and a free distance are calculated by using the predetermined algorithm. The encoder for maximizing the effective distance of encoders, the distance product, and the free distance is selected from the encoders. The minimum effective distance as a distance between trellises is obtained by using a predetermined mathematical operation. The distance product is obtained by using a predetermined mathematical operation.
Patent KR-20040003752-A (KR)
Title: Hinge for door
Inventor: NA BYEONG HO
IPC: E05F3/20
Filed: 2002-07-04
Abstract: PURPOSE: A door hinge is provided to cut down the cost by improving assembly efficiency and productivity. CONSTITUTION: The door hinge comprises: a pin shaft(131) projected through a shaft hole(141) of an upper case(140); a lower case(100) provided with a guide groove(111) and a fixed rib(110) unified in the guide groove(111); both plate springs(120) whose both ends are fitted to the guide groove(111) and provided with cogged joints(122); and a cam(130) formed on a tail of the pin shaft(131), fitted between both plate springs(120), and controlled by the tensile force of the plate spring(120).
Patent KR-20040009742-A (KR)
Title: Machine and method for shoes washing thereof
Inventor: KIM HYEON SUK
IPC: D06F33/02
Filed: 2002-07-25
Abstract: PURPOSE: A washing machine and a washing control method for shoes are provided to remove dirt from the shoe efficiently by sprinkling water into the inside of the shoe with rotating and reversing a motor for agitating a pulsator corresponding to rinsing and washing shoes. CONSTITUTION: A washing machine includes a shoe installation unit mounting shoes; a key input unit(110) receiving a washing signal for shoes from a user; a motor(131) rotating and agitating a pulsator with rotating or reversing; and a control unit(100) controlling the motor based on predetermined rotating and reversing time of the motor in inputting the shoe washing signal through the key input unit. Selection of the shoe washing course is decided, and shoes are washed and rinsed according to operation time of the motor in selecting the shoe washing course. The input end of the control unit is connected to the key input unit and a water level detecting unit(111), and the output end of the control unit is connected to a valve driving unit(120) and a motor driving unit(130).
Patent KR-20030010555-A (KR)
Title: Active matrix display device and control apparatus thereof
Inventor: FUJIOKA MAKOTO
IPC: G09G3/36
Filed: 2002-07-26
Abstract: PURPOSE: An active matrix type display device and a control device thereof are provided to display a moving picture with a low power consumption and to prevent image quality deterioration while changing the modes. CONSTITUTION: An active matrix type display device is switched by a selector(27) between the moving picture mode in which a data processing part(21) processes a video signal inputted at any time by a predetermined operation and displays the signal at any time, and the still picture mode in which a video signal is displayed based on video signals stored in a frame memory(25).
Patent KR-20040012141-A (KR)
Title: Glasses for Use with Cap
Inventor: BACK SANG HYUN
IPC: G02C11/00
Filed: 2002-08-01
Abstract: PURPOSE: A glasses which is attached to a hat is provided to effectively protect eyes by easily controlling the top and bottom height of glasses and controlling the forward and backward distance, simultaneously. CONSTITUTION: A glasses(10) which is attached to a hat includes up-and-down movable piece(20), a rotational member, a forward and backward movable member(40), a rail(50) and a shade connection member(70). The up-and-down movable piece(20) is unified to the glasses(10) to move the glasses(10) up and down. The rotational member is connected to the up-and-down movable piece(20) so as to fold and unfold the connected glasses. The forward and backward moving member(40) is provided with a spring for controlling the rotation and the forward/backward movement of the glasses(10). The rail(50) controls the forward/backward movement which is connected to the forward and backward moving member(40). And, the shade connection member(70) formed both side of the rail member is provided with a plurality of clips(72) so as to control the cross distance therebetween.
Patent KR-20040013872-A (KR)
Title: Assembling apparatus and method of timing chain
Inventor: LEE JONG WON
IPC: F16H7/06
Filed: 2002-08-09
Abstract: PURPOSE: Assembling structure of a timing chain and an assembling method thereof are provided to improve fuel efficiency of an engine by improving the assembling method of the timing chain. CONSTITUTION: Assembling structure of a timing chain(25) comprises a crank shaft(21) whose a crank shaft sprocket(23) is supported to the front side of a cylinder block; a cam shaft(22) one end of which is projected to the front side of a cylinder head; a flange forming an axial hole to fit one end of the cam shaft and plural fastening holes for fastening a cam shaft sprocket(24) to the circumference of the axial hole; the cam shaft sprocket forming an axial hole to fit a boss of the flange and forming elongated holes to the circumference of the axial hole, to enable angle control in being fastened with the fastening holes; and the timing chain fastened to the cam shaft sprocket to transmit the driving force of the crank shaft to the cam shaft. Teeth for fastening the timing chain are formed on the outer peripheral surface of the cam shaft sprocket.
Patent KR-20030015162-A (KR)
Title: Electrical connector with shunt for hot mating and unmating
Inventor: BRYAN LYLE STANLEY
IPC: H01R24/38
Filed: 2002-08-14
Abstract: PURPOSE: An electrical connector with a shunt for hot coupling and decoupling is provided to prevent arc between mating terminals in connecting or disconnecting the electrical connector under load or hot condition. CONSTITUTION: A connector assembly(2) includes an arc prevention shunt(20) in one of two mating electrical connectors(10,30). The shunt is engaged with a terminal(34) when the connectors are in a partially mated configuration. If the terminal is hot, current passes from the shunt to a relay coil(62) to close contacts(64) in a C-type relay(60). When the normal open switch contacts are closed, a bypass circuit disconnects the terminals(14) in the connectors so arcing does not occur when the connectors are mated or unmated under load. When the connectors are fully mated or fully unmated, the shunt is electrically isolated from the terminals. When coupled, the isolation is effected by the shunt engaging a cam surface on a plastic housing(32) of the connector not including the shunt.
Patent KR-20040016171-A (KR)
Title: A method and a device of equalizing filter for mobile phone
Inventor: AHN JUNG HYEOK
IPC: H04B15/02
Filed: 2002-08-16
Abstract: PURPOSE: An equalizing filter in a portable terminal and a method for operating the same are provided to smoothly interrupt the noise due to a peripheral environment from the start of a call by previously setting equalizing filter control coefficient values, dependent on various peripheral environments, in a memory and applying a necessary coefficient value according to a change of peripheral call environments. CONSTITUTION: A control part in a portable terminal judges whether the user starts communication(S100). In case that it is judged that the user starts communication, the control part judges whether a control signal to select one among a plurality of peripheral environment names displayed on the display part of the portable terminal is inputted from a dial part(S180). If the control signal is inputted, the control part reads an associated equalizing filter coefficient value from a coefficient part and applies it to an equalizing filter part(S200).
Patent KR-20040018837-A (KR)
Title: Method for manufacturing ultra-low C steel having phosphorous
Inventor: CHOI YONG BAE
IPC: C21C7/068
Filed: 2002-08-27
Abstract: PURPOSE: A method for manufacturing ultra-low carbon steel containing phosphorus is provided to improve castability of the molten steel in the continuous casting process by controlling carbon stably and efficiently in the converter and degassing processes and increasing cleanliness of molten steel. CONSTITUTION: The method comprises the steps of charging hot metal desulfurization treated in the hot metal pretreatment process into converter(1); tapping the hot metal into a molten steel ladle(2) after removing carbon contained in hot metal in the converter to a certain level and controlling content of phosphorus of the carbon removed hot metal; adding slag modifier and deoxidizer to the molten steel ladle; performing second decarburizing operation by transferring the molten steel ladle to the degassing process; injecting high purity manganese into molten steel received into the molten steel ladle after performing the second decarburizing operation in the degassing process; and manufacturing a slab by transferring the molten steel ladle to the continuous casting process after finishing the degassing process, wherein the method further comprises a step of increasing temperature of the molten steel as much as about 9 to 11 deg.C per 1,000 kg of high purity manganese before injecting high purity manganese into the molten steel ladle.
Patent KR-20040019702-A (KR)
Title: Apparatus and Method of character inputs on small computing/communications devices
Inventor: KIM JOON MO
IPC: H04M1/23
Filed: 2002-08-29
Abstract: PURPOSE: A device for inputting characters of a small-sized terminal is provided to increase the number of virtual keys as maintaining a substantial keyboard, and to directly input much more consonants and vowels on the keyboard, thereby minimizing time for inputting characters. CONSTITUTION: A character inputting device(100) comprises as follows. An input unit(110) arranges many keys assigned in predetermined order of at least 2 characters in matrix structure consisting of many rows and columns. If the keys are pressed, the input unit(110) generates predetermined key input signals for each key. A display(120) displays characters inputted by the input unit(110). An information storage(130) has a character information storage. The character information storage stores character information including at least one of unit key information by character. A controller(140) receives group keys sequentially generated in the input unit(110), receives the key input signals, retrieves the character information, and displays characters corresponding to a sequential combination of group key input signals and location key input signals on the display(120).
Patent KR-20040022993-A (KR)
Title: Digital Versatile Disc of high density
Inventor: KIM JIN HONG
IPC: G11B23/00
Filed: 2002-09-10
Abstract: PURPOSE: A structure for a high-density optical disc is provided to easily form a uniform thickness of a cover layer formed on a signal surface of the high-density optical disc. CONSTITUTION: The optical disc comprises an optical disc substrate(40), a recording layer(30) and the cover layer(50) formed on the optical disc substrate, a non-signal region(80), and a projection part(70). The non-signal region has a central hole for fixing the optical disc substrate when the optical disc is made or played. The projection part is formed on an inner circumference and has a predetermined height and a predetermined width. A contact angle between the projection part and the optical disc substrate is 90-160 angular degrees.
Patent KR-20040023188-A (KR)
Title: Stack package and it's favrication method of center pad chips
Inventor: KIM BYEONG CHAN
IPC: H01L23/12
Filed: 2002-09-11
Abstract: PURPOSE: A method for fabricating a stack package of a center pad chip is provided to embody a fine pitch ball grid array(FBGA) package by forming a metal layer pattern and an electroplating bump on a chip passivation by a wafer level technology and by stacking a chip by a flip chip bonding technology. CONSTITUTION: After a wafer passivation process is performed, a chip metal layer is coated. After the electroplating bump is formed on a pad, the chip metal layer is patterned to fabricate the center pad chip(100). The center pad chip is attached to a substrate(200) in which a substrate metal layer(210) is patterned to be vertically penetrated. The metal layer of the center pad chip and the substrate metal layer are interconnected by a wire. The second center pad chip(101) is correspondingly stacked on the center pad chip by a flip chip bonding technology. After a molding process, a flux process, a solder ball mount process and a reflow process are performed, a singulation process is performed to complete a package.
Patent KR-20040023896-A (KR)
Inventor: LEE HEUNG SEOK
IPC: B23D77/00
Filed: 2002-09-12
Abstract: PURPOSE: A reamer is provided to improve working efficiency by keeping the concentricity and straightness of support units to a plurality of machining holes. CONSTITUTION: A reamer is composed of a cylindrical body(100), a first support unit(110) formed at one end of the body and inserted into a first machining hole, a second support unit(120) formed at the other end of the body and inserted into a second machining hole, and a reamer edge(130). The reamer edge is located between the support units, and reams the first and second machining holes.