baber/WOPTO huggingface dataset:
Patent KR-20040071915-A (KR)
Inventor: PARK IK MO
IPC: H01P1/203
Filed: 2003-02-07
Abstract: PURPOSE: A low pass filter is provided to achieve improved cutoff characteristics by transforming and coupling two stubs, and widen a stop band by forming a slot on a ground surface. CONSTITUTION: A low pass filter(30) comprises open stubs(31,31') connected in parallel with each other; both ends(34a,34'a); and a center slot(34b) for interconnecting the both ends. The open stubs have stub ends(31a,31'a) with rectangular shapes; and transformation portions(31b,31'b) spaced apart from a transmission line(32) for connecting the stubs, and formed into trapezoidal shapes from top and bottom ends of the transformed stub ends, wherein the transformation portions are arranged symmetrically with each other with a predetermined gap therebetween. The ends(34a,34'a) are etched on the stub ground surface such that the ends include the stub ends(31a,31'a) but do not include feeder lines(33,33').
Patent KR-20040076136-A (KR)
Inventor: CHOI GEUN MUK
IPC: C07F7/18
Filed: 2003-02-24
Abstract: PURPOSE: A method for preparing isobutyltrialkoxysilane is provided, thereby requiring no neutralization process, reducing side-products by using catalyst and co-catalyst, and preparing a large quantity of isobutyltrialkoxysilane. CONSTITUTION: The method for preparing isobutyltrialkoxysilane comprises the steps of: (i) drying co-catalyst of formula (4): MxCO3, under nitrogen at 60 to 120 minutes, and mixing silane of formula (1): (R1)mSiH with catalyst of formula (3): Pt(R3R4R4SiOSiR4R4R3); (ii) cooling the reaction temperature to 0 to 10 deg. C and methyl alkene of formula (2): CH3R2CH=CH2 into a reactor; (iii) heating the reaction temperature to 50 to 150 deg. C and stirring the reactor for 12 to 24 hours; and (iv) cooling the reaction temperature to 10 to 25 deg. C to recover excessive methylalkene, and distilling the reaction product under reduced pressure, wherein R1 is alkyl having one or more of carbon number; n is an integer of 1 to 3; R2 is C1-C4 alkyl; R3 is vinyl; F4 is methyl or ethyl; M is K or Na; and x is 1 or 2.
Patent KR-20040077052-A (KR)
Inventor: CHAE JONG SEOK
IPC: H01Q21/00
Filed: 2003-02-27
Abstract: PURPOSE: A wideband slot antenna and a slot array antenna are provided to achieve improved characteristics of electromagnetic coupling between the reflector plate and the feeder line of the slot antenna. CONSTITUTION: A wideband slot antenna comprises a dielectric layer(23) having a grounding conductor layer(21) separated from the dielectric layer, and a microstrip feeder line(24) made of a metal and formed at the outer bottom surface of the dielectric layer; the grounding conductor layer formed on the top surface of the dielectric layer, and electromagnetically connected to the microstrip feeder line through a slot(22); and a reflector plate(25) formed beneath the microstrip feeder line in such a manner that the reflector plate suppresses radiation of substrate surface wave and increases an antenna gain.
Patent KR-20040082722-A (KR)
Inventor: LEE GI HUN
IPC: G11B7/09
Filed: 2003-03-20
Abstract: PURPOSE: A track jump method of an optical disk drive is provided to generate an RFZC(RF Zero Cross) signal from a TE(Tracking Error) signal when a track jump occurs to an unrecorded surface from a recorded surface, thereby realizing a stable track jump. CONSTITUTION: A top detector(11) detects a maximum peak value from an inputted TE signal. A bottom detector(13) detects a minimal peak value from the inputted TE signal. An RFZC signal generator(15) generates an RFZC signal by using the detected maximum peak value and the minimal peak value. If a track jump occurs to an unrecorded surface from a recorded surface, the TE signal and an RF signal are detected from a disk. The number of tracks to jump is calculated on the basis of a TZC(Tracking Zero Cross) signal. A direction of the track jump is determined on the basis of the generated RFZC signal by detecting the maximum/minimal peak values. A pickup is moved in the determined direction according to the calculated number of the tracks.
Patent KR-20040085787-A (KR)
Inventor: LEE GYEONG HA
IPC: G02F1/133
Filed: 2003-04-01
Abstract: PURPOSE: A liquid crystal display is provided to prevent rippling and mura by restraining a change in electric potential in a cell. CONSTITUTION: A plurality of gate lines(24) and a plurality of data lines(22) cross each other on an array substrate(20). Thin film transistors are formed at cross parts of the gate and data lines. Pixel electrodes(26) are arranged in pixels defined by the gate and data lines. A color filter substrate(30) maintains a certain cell gap with the array substrate, having a common electrode(36) in an area corresponding to the pixel. Black matrices(38) are formed at areas corresponding to pixel boundary parts on the common electrode plane of the color filter substrate. Color filters(40) are arranged at areas corresponding to the pixels. Liquid crystal is interposed between the array substrate and the color filter substrate. A ground electrode(32) is arranged on the color filter substrate, and interrupts a change of an electric field applied to the liquid crystal according to a change in the cell gap between the array substrate and the color filter substrate.
Patent KR-20040087183-A (KR)
Inventor: KIM SE WAN
IPC: B25J13/08
Filed: 2003-04-04
Abstract: PURPOSE: A device and method for detecting an edge for a mobile robot is provided to enable the robot to safely run along the edge by detecting the edge with infrared sensors. CONSTITUTION: A device for detecting an edge for a mobile robot(100) is composed of first and second infrared sensors(1,2) attached to the front of a robot body, third and fourth infrared sensors(3,4) attached to the right and left of the robot body, and a micro computer. The first and second infrared sensors transmit/receive an infrared signal, and detect the edge ahead. The third and fourth infrared sensors transmit/receive an infrared signal, and detect the edge right and left. The micro computer rotates the robot counterclockwise if the first and second infrared sensors detect the edge ahead, and controls the robot to go straight ahead if the third and fourth infrared sensors detect the edge right and left.
Patent KR-20040087509-A (KR)
Inventor: JUNG DAE SUN
IPC: A23K1/00
Filed: 2003-04-08
Abstract: PURPOSE: A chicken feed composition including Scutellariae Radix, Acori Graminei Rhizoma, Coicis Semen, Astragali Radix, Cnidii Rhizoma and Sophorae Radix is provided. It is mixed with common feed ingredients and fed to chicken to produce an egg which is low in cholesterol and contains EPA and DHA in large quantities. CONSTITUTION: The chicken feed composition consists of medicinal herbs containing 25 to 35% by weight of Scutellariae Radix, 10 to 20% by weight of Acori Graminei Rhizoma, 5 to 15% by weight of Coicis Semen, 10 to 20% by weight of Astragali Radix, 10 to 20% by weight of Cnidii Rhizoma and 10 to 20% by weight of Sophorae Radix. For feeding to a chick, 300 to 700g feed composition is mixed with 1 ton common feed ingredients.
Patent KR-20040091212-A (KR)
Inventor: KIM WON JUN
IPC: H01L21/68
Filed: 2003-04-19
Abstract: PURPOSE: An apparatus for sorting and transferring magazines is provided to easily mount and sort the magazines and reduce investment for equipment as compared with an AGV(automated guided vehicle) by taking the magazines at a time regardless of the kind of the magazines. CONSTITUTION: A magazine mounting body(14) has a plurality of magazine mounting units(15) on which the magazines(11) having a plurality of die-attached leadframes are mounted. A bar code reader(13) reads the bar code of the magazine mounted on the magazine mounting unit. A computer(19) determines whether the magazine is mounted, connected to the magazine mounting unit. The computer receives the magazine information read from the bar code reader, connected to the bar code reader. The computer sends the magazine information to an outside server through radio communication and receives the information of a wire bonding apparatus corresponding to the magazine information. A plurality of display units(16) display the information of the wire bonding apparatus corresponding to the magazine output from the computer, formed in the magazine mounting unit by a one-to-one correspondence.
Patent KR-20040073246-A (KR)
Inventor: HONG SEONG RYONG
IPC: H04W4/16
Filed: 2003-04-25
Abstract: PURPOSE: A method for supplying a ringback tone alternative sound based on an intelligent network is provided to transmit a service processing request message to an SCP(Service Control Point), and to release a call to a ringback tone alternative sound reproduction server, and then connect the call with a user terminal, thereby forming a speech path between an originator and a receiver. CONSTITUTION: When a terminal performs a position registration, a T_MSC(Terminating MSC)/VLR(Visitor Location Register)(120) registers position information of the terminal in an HLR(100), receives information for routing to a ringback tone alternative sound reproduction server(140), and about whether the terminal is registered in a ringback tone alternative sound service, stores the information in the VLR, and supplies the alternative sound service. An SCP(122) checks whether the information is eligible and performs a routing information translation. A ringback tone alternative sound information server(130) has a user alternative sound source information table(132), and supplies sound source information by service subscriber. The reproduction server(140) inquires of the information server(130) about a previously set sound source, and supplies a sound source corresponding to the sound source information to an originator.
Patent KR-20040096124-A (KR)
Inventor: KIM DEOK YEONG
IPC: G06T17/10
Filed: 2003-05-07
Abstract: PURPOSE: A method for extracting 3-dimensional modeling data for a design drawing is provided to obtain modeling data by using an engraving machine or a carving machine and a reverse engineering control device, thereby realizing a more easy and exact process. CONSTITUTION: An engraving machine or a carving machine(2) reversely processes an unmeasurable part of a product by preset height pitch, and engraves or carves flat reverse processing patterns on an acryl plate(4). A scanner(6) scans the engraved or carved flat reverse processing patterns, and applies flat reverse processing pattern data to a reverse engineering controller(10) of a reverse engineering control device(8). The reverse engineering controller(10) drives an auto CAD program to read the scanned data, and displays the flat reverse processing patterns on a screen display(14). When a user makes a design, the controller(10) temporarily stores a design data value, and extracts 3-dimensional modeling data by using a modeling-only program mapped in a program memory(16).
Patent KR-20030095229-A (KR)
Title: 광학 필터용 근적외선 흡수제 및 광학 필터
IPC: G02B5/22
Filed: 2003-05-16
Abstract: 본 발명의 목적은, 비스[1,7,7-트리메틸비시클로[2.2.1]헵토-2-엔-2,3-디티오레이토(dithiolato)(2-)-κS,κS']금속착체(錯體)로 이루어지며, 상기 금속착체의 금속 원소는 니켈, 팔라듐, 백금에서 선택되는 것을 특징으로 하는 광학 필터용 근적외선 흡수제 및 상기 근적외선 흡수제를 함유하는 광학 필터를 제공하는 것이다. 
     본 발명에 따르면, 본 근적외선 흡수제는 가시광선 영역의 흡수가 작고, 선택적으로 근적외선 영역의 파장광을 흡수한다.
Patent KR-20040098941-A (KR)
Inventor: KIM JIN HO
IPC: H04B1/40
Filed: 2003-05-16
Abstract: PURPOSE: A mobile terminal having an Ethernet interface, particularly for allowing a super speed data communication relay service by directly connecting a LAN card mounted in a computer with an Ethernet interface, is provided to speed a communication rate of a terminal up to a maximum 100Mbps and enable several computers to be connected to the Internet simultaneously by using a hub. CONSTITUTION: A wireless call processor(41) performs call processing with a wireless communication network. A data call processor(42) connected with the wireless call processor(41) processes Internet calls and provides a data service. A LAN cable port(45) provides physical connection with an external LAN cable. A signal converter(44) connected with the LAN cable port(45) mutually converts an Ethernet signal provided from an external computer and digital data of a mobile terminal. A connection processor(43) controls a data flow by being connected with the data call processor(42), and performs format conversion on input/output data by being connected with the signal converter(44).
Patent KR-20040100092-A (KR)
Inventor: LEE HEUNG GWAN
IPC: B25H1/00
Filed: 2003-05-21
Abstract: PURPOSE: A sliding type extension plate apparatus is provided to extend working space, to prevent a workpiece from being damaged by mounting a main plate with a sliding type extension plate, to utilize a space efficiently by controlling the size of expansion space in several steps by using fixing tap and fixing groove . CONSTITUTION: A sliding type extension plate apparatus is composed of a plurality of ball bush bearings(100) installed at the lower part of a main plate(1), a plurality of cylindrical guide bars(200) inserted slidably into the ball bush bearings, a support frame(300) coupled to one end of each cylindrical guide bar and supporting the cylindrical guide bars, and an extension plate(500). A stopper(210) is formed at the other end of the guide bar, and prevents the guide bar from being separated from the ball bush bearing. One end of the extension plate is in contact with the top of the main plate. The other end of the extension plate is attached to the upper part of the support frame by a plurality of hinges(510) to lift up one end of the extension plate. A fixing frame(400) is installed at the lower part of the main plate, and firmly fixes the ball bush bearings to the lower part of the main plate.
Patent KR-20040100290-A (KR)
Inventor: OH CHAN SE
IPC: F16K15/06
Filed: 2003-05-22
Abstract: PURPOSE: A wafer-shaped check valve and a manufacturing method thereof are provided to precisely and smoothly perform the opening/closing of a valve body regardless of the arrangement condition of pipes by reducing the weight of the valve body through plastic processing. CONSTITUTION: In a wafer-shaped check valve including a valve body(30), the valve body has a valve head(31) formed by plastic-processing a metallic disk, a ring cap(33), and a valve stem(32). A separation preventing protrusion(31b) is formed along the circumference of a valve face(31a), and supports the peripheral portion of a face packing ring(34) to prevent the separation of the face packing ring. A stem coupling hole is bored through the center of the valve head. The ring cap is integrally fixed to the outer circumference of a cap portion of the valve head at a predetermined interval from the valve face, and has a support rim(33a). The support rim is in surface-contact with one surface of the face packing ring, and supports the face packing ring. One end of the valve stem penetrates through the stem coupling hole of the valve head, and is integrally fixed to the inner and outer sides of the stem coupling hole.
Patent KR-20040101760-A (KR)
Inventor: LEE YEONG U
IPC: A47L5/32
Filed: 2003-05-26
Abstract: PURPOSE: An upright vacuum cleaner is provided to easily remove dust in a corner or window frame by blowing air off dust and sucking dust through single auxiliary hose. CONSTITUTION: An upright vacuum cleaner is composed of a body casing(101) having a space inside, a fan motor accommodated in the body casing and generating suction force, a filter(103) for filtering dust from sucked air, a filter casing(104) accommodating dust filtered by the filter, a suction head(105), a suction hose(106) connected to the suction head and the filter casing, an exhaust passage, and a blowing/sucking unit(108) installed between the filter casing and the suction head. The blowing/sucking unit guides partial air exhausted into the exhaust passage and blows air off dust in a corner, or sucks dust in the corner by local suction force. The blowing/sucking unit includes a passage switching valve(111) changing a passage to blow air off dust or generate local suction force, and an auxiliary hose(112) connected to the passage switching valve.
Patent KR-20040107961-A (KR)
Inventor: LEE DONG SEON
IPC: B25B27/00
Filed: 2003-06-16
Abstract: PURPOSE: A retainer fastening tool is provided to improve the reliability by suppressing the generation of surface scratches on a retainer when a retainer is connected and disconnected and to enhance work efficiency. CONSTITUTION: A retainer fastening tool(200) comprises a holder(230) having a shape corresponding to two holes of a retainer and two supporting pins(210) combined with the holes of the retainer, a handle(240) for applying rotational force when the retainer is connected or disconnected, and a connecting rod(250) for transferring the rotational force applied to the handle to the holder by connecting the holder with the handle. The connecting rod is integrally connected with the handle and the holder.
Patent KR-20040110920-A (KR)
Inventor: LEE JAE JIN
IPC: H05K13/00
Filed: 2003-06-21
Abstract: PURPOSE: An automatic backup pin aligning apparatus and a backup pin setting method are provided to improve accuracy of backup pin setting operation, and prevent damage to the components by preventing interference between components and backup pins. CONSTITUTION: An automatic backup aligning apparatus comprises a substrate guide rail(14), a plurality of backup pins(16), a backup pin plate, a backup pin mount board(13), a camera(22), a display unit, and a gripper(23). The substrate guide rail guides a printed circuit board to a work position. The backup pins support the printed circuit board. The backup pin plate supports bottoms of the backup pins. The backup pin mount board is arranged in the vicinity of the backup pin plate, and has an upper surface on which the backup pins are mounted. The camera picks up images of a surface of the printed circuit board, to be supported by the backup pins, and the backup pins on the backup pin mount board. The display unit displays a virtual image of the printed circuit board, scanned by the camera, and displays, in a real time basis, the actual image of the surface of the printed circuit board corresponding to a selected area on the virtual image. The display unit allows for setting of position of backup pins on the virtual image, while viewing the actual image of the printed circuit board. The gripper moves backup pins on the backup pin mount board to the set position on the backup pin plate.
Patent KR-20050001155-A (KR)
Inventor: SON DAN YOUNG
IPC: G06F17/00
Filed: 2003-06-27
Abstract: PURPOSE: A system and a method for a voice recognition based community service on the web and the telephone network are provided to enable a member to conveniently manage a community and access a community site through diverse media in real-time by applying a voice recognition/synthesis technology. CONSTITUTION: A user connection part(15) enables a telephone-based user to connect to the site. A database(12) stores a community bulletin board and user information. A voice-text converter(14) converts a voice into a text and vice versa under control of a service controller(11). The service controller certifies the connected members, provides the member with desired bulletin by converting the bulletin into the voice, and posts up the voice inputted from the member by converting the voice into the text. The service controller transfers the bulletin by automatically calling the member fixed from the bulletin and converting the bulletin into the voice, and reports a statistical result to the bulletin board. A statistics processor(13) statistically processes reply results from the fixed members for the bulletin wanting the statistical result by using a keyword detecting function.
Patent KR-20050002387-A (KR)
Inventor: PARK HYUNG SOON
IPC: H01L21/28
Filed: 2003-06-30
Abstract: PURPOSE: A method of forming a contact plug of a semiconductor device is provided to improve the yield of the device by minimizing the damage of a lower insulating layer using a predetermined slurry containing chemicals based on TMAH during a CMP(Chemical Mechanical Polishing) process on a polysilicon layer. CONSTITUTION: A lower insulating layer(19) is formed on a semiconductor substrate(11) with a plurality of gate electrodes. A contact hole for exposing the substrate be situated between the gate electrodes to the outside is formed in the lower insulating layer by performing a self-aligned etching process using a contact mask. A polysilicon layer(23) for filling completely the contact hole is formed thereon. CMP is performed on the polysilicon layer by using a slurry containing chemicals based on TMAH. R4NOH is used for the TMAH based chemical.
Patent KR-20050004453-A (KR)
Inventor: WI HEUNG DUCK
IPC: B22D41/12
Filed: 2003-07-02
Abstract: PURPOSE: To provide a ladle in which slag removal operation is not necessary by separating molten steel from slag so that only molten steel is poured into refining furnace or tundish and a ladle capable of preventing mixing of slag during tilting by accurately maintaining a tilting angle when tilting the ladle to pour molten steel into the refining furnace or tundish. CONSTITUTION: The ladle(10) comprises a cylindrical outer skin in which molten steel is contained; refractories installed on the inner surface of the outer skin; lugs(13) for moving and tilting the outer skin; a charging pipe(20) for molten steel injection longitudinally installed on the side surface of the outer skin with being inclined to the outer surface of the outer skin in a certain angle; a discharge port for circulating molten steel by communicating a lower part of the charging pipe with the inside of the outer skin; and a control part installed between the lug and the outer surface of the outer skin to selectively limit a tilting angle of the outer skin, wherein the control part comprises a circular arc shaped flexion bar(40) of which one end is installed at the lug, and which is curved along the same rotary radius around a rotary shaft of the lug, an operation member(41) which is installed on the outer surface of the outer skin, and through which the flexion bar passes, a hook(42) rotatably installed on an outer front end of the flexion bar such that the hook is caught on a side end of the operation member, and a rotary means for maintaining or releasing the catching state of the hook on the operation member.
Patent KR-20040007264-A (KR)
Title: Rotary electric machine
Inventor: WADA HITOSHI
IPC: H02K3/28
Filed: 2003-07-03
Abstract: PURPOSE: To provide a rotary electric machine for attaining high output due to temperature lowering and suppressing magnetic noise. CONSTITUTION: A vehicle alternator is provided with a rotor, a stator 2, and a housing. The stator 2 includes a stator core 32 which is disposed so as to face the rotor and has a plurality of slots axially extending, in a circumferential form, and a stator wiring wound around the stator core 32. The stator wiring includes electric conductors 331a inserted in the slots 35. Each of the electric conductors 331a has a width smaller than that of the slot 35 in the circumferential direction, and comes into alternate contact with either of slot inner walls facing each other in the peripheral direction.
Patent KR-20050005860-A (KR)
Inventor: PARK KWANG SOO
IPC: C04B35/10
Filed: 2003-07-07
Abstract: PURPOSE: Provided is a manufacturing method of electric resistant and heat resistant welding support through a continuous process using ceramic powder as raw materials. CONSTITUTION: The ceramic welding support is manufactured by the following steps of: mixing 40-50wt.% of alumina, 20-30wt.% of white clay, 5-15wt.% of clay and 15-25wt.% of talc, and ball-milling raw materials for 24-32hrs; spray-drying mixtures to get powder; adding additives such as 0.14wt.% of polyvinyl alcohol, 0.06wt.% of methyl cellulose, 0.42wt.% of dispersant and 0.06wt.% of antifoaming agent, based on 100wt.% of raw materials; pressing mixtures into a shape of welding support, and additionally drying and cutting in case of extrusion forming, fat-removing and drying in case of injection forming, and drying in case of cast forming; sintering the formed welding support at 1350-1650deg.C; polishing.