baber/WOPTO huggingface dataset:
Patent KR-20050002969-A (KR)
Inventor: LEE BYOUNG JO
IPC: C08K3/36
Filed: 2003-06-27
Abstract: PURPOSE: A rubber composition for tire tread is provided to improve scorching stability, abrasion resistance, braking properties on wet surface and low fuel consumption rate simultaneously. CONSTITUTION: The rubber composition for tire tread comprises a base rubber, silica, a coupling agent, a vulcanizing agent, an activator, a softening agent and a vulcanization accelerator, wherein the coupling agent is represented by formula 1, wherein R is C12 or C14 alkyl group and used in an amount of 0.5-20pts.wt based on 100pts.wt of the silica, and wherein the silica has high specific gravity of 2.1-3.6 and used in an amount of 10-120pts.wt, based on 100pts.wt of the base rubber.
Patent KR-20050001187-A (KR)
Inventor: CHO YOUNG JAE
IPC: H01L21/027
Filed: 2003-06-27
Abstract: PURPOSE: A method for forming a resist pattern of a semiconductor device is provided to prevent a resist pattern from collapsing when a substrate is rotated in a dry process by using an IPA(isopropyl alcohol) solution with low surface tension in a process for cleaning the resist pattern and by performing an ultraviolet exposure process on the cleaned resist pattern. CONSTITUTION: Resist is formed on a substrate. A soft bake process is performed on the resist. An exposure process is performed on the soft-baked resist. A PEB(post exposure bake) treatment is performed on the exposed resist. The PEB-treated resist is developed. The developed resist is cleaned twice. An ultraviolet exposure process is performed to harden the cleaned resist. A dry process is performed on the resist processed by the ultraviolet exposure.
Patent KR-20050002989-A (KR)
Inventor: HONG SUK KYOUNG
IPC: H01L27/115
Filed: 2003-06-30
Abstract: PURPOSE: A method for manufacturing a ferroelectric capacitor is provided to enhance adhesion between a lower electrode and a ferroelectric film by using annealing. CONSTITUTION: A lower electrode(51,53) of a ferroelectric capacitor is formed on a semiconductor substrate(50). A hillock(H) or a void is formed on the surface of the lower electrode by performing a first annealing process. A ferroelectric film(54) is formed on the lower electrode. A second annealing process is carried out. An upper electrode is then formed on the ferroelectric film.
Patent KR-20030066501-A (KR)
Inventor: YOO GYEONG SU
IPC: H04N5/225
Filed: 2003-06-30
Abstract: PURPOSE: A photographing device having a function of preventing spreading of a still image is provided to prevent the still image from spreading without having a separate mechanism shutter. CONSTITUTION: A photographing device(200) includes a photoelectric converter(218) for photoelectric-converting lights inputted through a lens, a pulse generator(249) for generating a charge extracting pulse for extracting charges accumulated in the photoelectric converter and an erasure pulse for erasing the accumulated charges, an iris(214) for controlling the quantity of lights inputted to the photoelectric converter, an iris driver(300) for controlling opening/closing of the iris, and a controller(250) for controlling the operation of the photoelectric converter, pulse generator and iris driver.
Patent KR-20050003305-A (KR)
Title: Golf club having display device installed to head capable of emitting light onto golf ball
Inventor: KIM KYONG BOK
IPC: A63B53/00
Filed: 2003-06-30
Abstract: PURPOSE: A golf club is provided to display general items with relation to golf swing through a display device installed to a club head of the golf club, thereby providing hitting sense and correcting a swing posture. CONSTITUTION: The golf club includes a display device and an LED(31) installed to a club head for displaying a hitting direction on a hitting portion of the head. The display device includes a display member for displaying light on a golf ball, and a control member for controlling the LED. The LED is activated by a switch provided to the golf club.
Patent KR-20050004527-A (KR)
Title: Appraisal procedures of registered patent using report of patent appraisal
Inventor: KIM SEO JUNG
IPC: G06Q50/18
Filed: 2003-07-02
Abstract: PURPOSE: Appraisal procedures of a registered patent are provided to precisely appraise and comment on the patent based on reliable data by using an ROPA(Report Of Patent Appraisal). CONSTITUTION: An appraisal value of the patent is appraised by authorized statistical data. Multiple functions of the patent are appraised by a value calculated from a reference mark depending on enhancement and improvement estimated in the future. Improvement possibility, a research value, a continuation value, a social discipline point, assumed productivity, and assumed marketable of the patent are appraised. The ROPA is made by using the appraisal value of each step.
Patent KR-20040041000-A (KR)
Inventor: YANO KENJI
IPC: H01L21/768
Filed: 2003-07-07
Abstract: PURPOSE: A semiconductor memory device whose internal lines are laid out efficiently is provided to prevent the area increase of a memory cell array by forming a twist bit line contact in an active region. CONSTITUTION: The semiconductor integrated circuit device(1) includes a logic(2) performing a processing and a DRAM(3) storing data required by the logic. The logic and the DRAM are integrated on the same semiconductor chip, and are connected by a chip internal line each other. Thus, the semiconductor integrated circuit device can transmit signal/data at a high speed. Because the chip internal line does not use a pin port, a transmission data bit width can be increased and also a band width of data transmission can be increased.
Patent KR-20050006324-A (KR)
Inventor: HAN GEUM TAI
IPC: F02F1/00
Filed: 2003-07-08
Abstract: PURPOSE: A structure for assembling a piston and a cylinder liner having an ignition ring in a diesel engine is provided to burn completely, and to prevent environmental pollution by igniting compressed fuel to the cylinder accurately and quickly and exploding evenly and perfectly. CONSTITUTION: A diesel engine comprises a cylinder liner(110) formed in a cylinder and piston contacted to the cylinder liner to reciprocate up and down. A containing groove(112) is formed around the upper part of the cylinder liner, and an ignition ring(120) is inserted to the containing groove to ignite fuel mixed with air injected to the cylinder. A guide unit is formed in the upper part of the piston to guide mixed fuel to the ignition ring. A shoulder and the containing groove are formed in the upper part of the cylinder liner, and the ignition ring is composed of a vertical round body(122) inserted to the containing groove, and a flange(124) integrally extended to the central shaft of the piston in the upper part of the body.
Patent KR-20040007309-A (KR)
Inventor: KUSUDOU TAKESHI
IPC: C08F8/12
Filed: 2003-07-10
Abstract: PURPOSE: A vinyl alcohol-based polymer, its preparation method, a coating agent containing the polymer and a coated product, an inkjet recording material and a thermal recording material obtained by coating the coating agent are provided, to allow the polymer to be dissolved readily in water to form an aqueous solution having excellent viscosity stability and binding force with inorganic substance without the addition of a base or an acid. CONSTITUTION: The vinyl alcohol-based polymer is obtained by saponifying a vinyl ester-based polymer containing a silyl group-containing monomer unit represented by the formula 1 and satisfies the mathematical formula 1 represented by 20<PxS<370 and the mathematical formula 2 represented by 0.1/100<=(A-B)/B<=50/100, wherein R1 is an alkyl group of C1-C5; R2 is an alkoxy or acyloxy group capable of having an oxygen-containing substituent; m is an integer of 0-2; P is a viscosity average degree of polymerization of the vinyl alcohol-based polymer; S is the content (mol%) of the silyl group-containing monomer; A is the silicon atom content (ppm) of the vinyl alcohol-based polymer; and B is the silicon atom content (ppm) of the vinyl alcohol-based polymer which has been washed with sodium hydroxide-containing methanol and then washed through Soxhlet extraction with methanol. The 4% aqueous solution of the vinyl alcohol-based polymer has a pH of 4-8.
Patent KR-20040010202-A (KR)
Inventor: KIMOTO NORIHIRO
IPC: C12N5/10
Filed: 2003-07-15
Abstract: PURPOSE: To provide an α-keto acid reductase and a method for producing an optically active α-hydroxy acid utilizing the enzyme. CONSTITUTION: The α-keto acid reductase is derived from Leuconostoc mesenteroides subsp. dextranicum. A DNA encoding the α-keto acid reductase is isolated. The enzyme and its homolog reduce an α-keto acid in the presence of NADH to produce the optically active α-hydroxy acid. The α-hydroxy acid includes an optically active mandelic acid derivative(formula II). The obtained optically active mandelic acid derivative is useful as an intermediate for synthesizing medicines or agrochemicals.
Patent KR-20050009393-A (KR)
Inventor: CHO SEONG MOON
IPC: C01B13/02
Filed: 2003-07-16
Abstract: PURPOSE: To provide a driving circuit of a gas separator, which has a simple constitution and is able to selectively drive two three-way valves at a low price. CONSTITUTION: In a gas separator comprising a vacuum pump, an air filter, a plurality of adsorption towers, a bubble pump, and a plurality of three-way valves, the driving circuit of the gas separator comprises a pulse signal generation part (420) that generates a pulse signal having a duty-ratio of 1/2 at a predetermined period, and a relay (430) that is operated or stopped in accordance with the pulse signal generated from the pulse signal generation part and supplies driving power to the plurality of three-way valves, thereby being alternatingly operated and stopped. The driving circuit further comprise a direct current power generation part (400) and a regulator (410).
Patent KR-20050011196-A (KR)
Inventor: LEE KEUN HWA
IPC: H01L21/02
Filed: 2003-07-22
Abstract: PURPOSE: A ventilation system and method of a loadlock chamber are provided to prevent securely a wafer from being contaminated and broken due to unwanted opening of a door by opening properly the door using a pressure signal of a pressure gauge and an on/off signal of a relief part as well. CONSTITUTION: A ventilation system of a loadlock chamber includes a door(12) for opening/closing a loadlock chamber(10), a vacuum part(30), an exhaust part(20), a pressure gauge(40) for measuring internal pressure of the loadlock chamber, a relief part(60) driven to on/off according to the internal pressure of the loadlock chamber, a control part(50) for opening/closing the door according to signals of the pressure gauge and the relief part.
Patent KR-20050012345-A (KR)
Inventor: KONG HYANG SHIK
IPC: G02F1/1333
Filed: 2003-07-25
Abstract: PURPOSE: An LCD(Liquid Crystal Display) and a method of fabricating the same are provided to prevent light from being came through an organic film by removing a difference in width of the organic film. CONSTITUTION: A lower substrate(112) has a pixel region(200) where light is applied and a non-pixel region(202) for blocking the light. An organic film(120), covered on the lower substrate, has an open hole part(123a) for exposing a part of the non-pixel region. An upper substrate(110) faces with the lower substrate. A liquid crystal layer(114) is interposed between the organic film upon the lower substrate and the upper substrate. A spacer, placed at the open hole part, maintains a cell gap between the lower substrate and the upper substrate.
Patent KR-20050017054-A (KR)
Inventor: CHIO JAE CHAN
IPC: H04W24/08
Filed: 2003-08-12
Abstract: PURPOSE: A method for controlling a radio environment of a mobile communication terminal is provided to report an area having bad speech quality to a base station by using a BER(Bit Error Rate)/FER(Frame Error Rate) measurement technology of a terminal to a base station, thereby obtaining exact BER/FER statistic values while saving a lot of time and cost. CONSTITUTION: A system sets a traffic channel between a mobile communication terminal and a base station(201). The system decides whether the traffic channel is successfully set(202). If so, the terminal starts a predetermined call(203), and measures a BER value according to a communication state(204) to decide whether the measured BER/FER value exceeds a reference value(205). If so, a position tracking system is operated(206). The system records a current position of the terminal with the BER/FER value(207), and prepares a speech quality map(208). The system establishes a mobile communication service upgrade plan(209).
Patent KR-20050019539-A (KR)
Inventor: LEE JONG MIN
IPC: B42D1/00
Filed: 2003-08-19
Abstract: PURPOSE: Teaching materials of diverse images and structures for children are provided in order to teach and motivate little children to increase their imagination and creativity. CONSTITUTION: The teaching materials for children includes at least one base sheet(20) formed of two sheets of papers in front and back, a rotating plate(10) disposed between the front and the back sheets, and a transparent sheet(30) alternately interchangeable with the base sheet(20). At least one hole(21) is formed in the base sheet(10) through which children are able to see diverse color images they drew on the transparent sheet(30) and the rotating plate(10). The surfaces of the base sheet(20) and the transparent sheet(30) are laminated.
Patent KR-20050019544-A (KR)
Inventor: LEE SANG YOUP
IPC: H04B1/40
Filed: 2003-08-19
Abstract: PURPOSE: A cellular phone capable of supplying an uninterruptible power when a battery is changed and a battery pack thereof are provided to simultaneously mount a used battery pack and a buffered battery pack by combining the two battery packs in sliding way, thereby replacing the battery pack without powering off the cellular phone. CONSTITUTION: A battery mounting groove(10) is open to both side directions on a rear side of a cellular phone. Slide contact terminals(12) are formed in side slide direction on a contacted surface of the battery mounting groove(10). Other contact terminals(21) are formed on the battery pack(20) by corresponding to the slide contact terminals(12). Guide grooves(13) are formed at inner edges of the battery mounting groove(10), while guide projections(22) are configured at upper/lower edges of the battery pack(20).
Patent KR-20040017789-A (KR)
Inventor: MASUDA MASATOSHI
IPC: B65D47/20
Filed: 2003-08-20
Abstract: PURPOSE: Provided is a valve mechanism which close a fluid reliably while its configuration is simple and alter a flow rate of the fluid passing through the valve mechanism discretionally according to a pressure applied to the fluid. CONSTITUTION: The valve mechanism comprises: a valve seat portion(4) having an upper opening portion and a lower opening portion through both of which a fluid passes; and a valve portion(3) disposed co-axially with the upper opening portion. The valve portion(3) comprises a supporting portion(34) attached at or below the lower opening portion without closing the lower opening portion; a closing portion(32) for closing the upper opening portion, the closing portion(32) having an outer diameter larger than an inner diameter of the upper opening portion; and a connecting portion(33) connecting the closing portion(32) and the supporting portion(34). The closing portion(32) or the connecting portion(33) is resilient and capable of being deformed to open the upper opening portion when a fluid stored inside the container is pressed.
Patent KR-20050022646-A (KR)
Inventor: HA JOO YOUNG
IPC: H04N9/64
Filed: 2003-08-29
Abstract: PURPOSE: An apparatus for converting chromaticity of a display device and a method for the same are provided to simplify the calculation performed by a hardware, thereby capable of converting the chromaticity through a small-sized and an inexpensive hardware. CONSTITUTION: An RGB8to12 member(710) enlarges 8 bits RGB signal into 12 bits RGB signal. An RGB to XYZ member(740) calculates X,Y and Z values by using the result of the RGB 8 to 12 member. A sincos_gen member(720) outputs sine and cosine values relating to a given moving vector. An XYZdist member(732) multiplies the sum of X,Y and Z by the moving distance of the moving vector. A sincosXYZdist member(731) multiplies the result obtained by the XYZ dist member by sin and cos values obtained by sincos_gen member, respectively. An XYZtoRGB member(750) converts New_X, New_Y and New_Z values outputted from a Y_delay member(738) into RGB values. An RGB12to8 member(760) converts 12 bits RGB signal into 8 bits RGB signal.
Patent KR-20040020849-A (KR)
Inventor: SIMPSON ROGER T
IPC: F01L1/344
Filed: 2003-09-03
Abstract: PURPOSE: A method for reducing the noise of a cam phaser by controlling the position of a center-mounted spool valve is provided to reduce the noise caused by torsional reversals of a rotor hitting a phaser housing in a VCT(Variable Camshaft Timing) cam timing system. CONSTITUTION: In a cam torque actuated phaser disposed between a first moving shaft and a second moving shaft, the phaser has a first end connected to the first moving shaft and a second end connected to the second moving shaft. A housing is connected to the first end and a rotor is connected to the second end. The rotor forms at least one vane(642) disposed within the housing and divides the housing into an advance chamber(692) and a retard chamber(693). The vane is limited by at least one physical stop caused by an inside surface of the housing. The phaser is coupled to at least one check valve(615,697) and controlled by a feed back control loop having a control law. An integrator accumulates a plurality of error signals resulting from the difference between a set point control signal and a feedback signal. In addition, the phaser has a spool valve(614) having a predetermined null position. A method for reducing the noise of a cam phaser is composed of steps for moving the spool valve just off the predetermined null position; permitting control fluid to flow at a substantially slow rate; and positioning the vane at a substantial distance away from the physical stops and accordingly reducing noise caused by the vane contacted with the housing.
Patent KR-20050024049-A (KR)
Inventor: HAN MI SOOK
IPC: H04R1/32
Filed: 2003-09-04
Abstract: PURPOSE: A super-directional zoom microphone is provided to reduce a directional angle and to stabilize a low band operation by adjusting an output gain by mixing audio signals outputted from directional microphones having preset sensitivity levels. CONSTITUTION: A microphone has a specific direction characteristic to an audio signal with a specific direction. At least one omni-directional microphone unit has the same sensitivity in audio signals with all directions. A phase of at least one directional microphone unit is changed between positive and negative values according to the direction. An amplification converter adjusts a gain of the audio signal which is received according to a preset sensitivity level of each of the microphone unit. A mixer mixes the audio signals from the amplification converter to increase or decrease the output level of the mixed signal.
Patent KR-20050024067-A (KR)
Inventor: KIM HEE JIN
IPC: H04B1/40
Filed: 2003-09-04
Abstract: PURPOSE: A method for storing and checking particulars on the use of a mobile terminal is provided to allow terminal manufacturers to solve a problem caused by an error or a bug of a mobile terminal by recognizing particulars on the use of terminal users. CONSTITUTION: An external record unit of a mobile terminal is physically connected with a connection interface(S400). Particulars on the use of the mobile terminal is referred(S401). The referred particulars are coded by using software stored in the mobile terminal for security(S402), and then, the coded particulars are stored in the connected external record unit(S403).
Patent KR-20050029009-A (KR)
Title: A single unit lead frame of semiconductor laser diode
Inventor: AHN MOON BONG
IPC: H01S5/02
Filed: 2003-09-19
Abstract: A semiconductor laser diode with an integrated lead frame is provided to simplify an assembly structure by injection-molding a lead frame on a case member as one entity and to enhance a heat emission property by enlarging a heat emission area. A laser diode apparatus(100) includes a light emitting element(110), a frame portion(120), and a case portion(130). The light emitting element irradiates a laser beam. The frame portion includes a central lead frame(121) and auxiliary lead frames(122). The light emitting element is implemented on an upper portion of the central lead frame. The central lead frame radiates the heat generated while forming the laser beam. The auxiliary lead frames are arranged at left and right sides of the frame portion and electrically connected with each other via the light emitting element and a wire member. Lower portions of the lead frames are exposed to an external portion of a body(131). Upper portions of the lead frames are injection-molded into the body. An aperture exposes the light emitting element during injection-molding. A light emitting hole(132) is penetrated into the case.
Patent KR-20050031348-A (KR)
Title: Smartcard system and method using minutia and fingerprint classification information
Inventor: PARK CHANG HEE
IPC: G06K17/00
Filed: 2003-09-29
Abstract: A smartcard system and method is provided to generate a key for preventing a copy of the smartcard using a serial number and entropy counting so as to classify fingerprint of a user. A smart card(10) includes an RF driving unit(11) for communicating with a terminal(20), a fingerprint characteristic information storage(12), a fingerprint classifying information storage(13), and a card information storage(14) for storing a serial number of the smart card. The terminal(20) includes an RF interface(21) for communicating with the smart card, a memory(22), a CPU(23) for processing information, a fingerprint inputting unit(24), and a system controller(25) for controlling a system according to authentication result.
Patent KR-20040107346-A (KR)
Inventor: LINVILLE ERIC S
IPC: G01R33/09
Filed: 2003-09-30
Abstract: PURPOSE: An MR(Magnetoresistive) sensor having a reduced operational temperature is provided to operate in a CPP(Current-Perpendicular-to-Plane) mode that a sensed current substantially flows perpendicularly to an end section of an MR layer, while adding a radiating layer located in relation to an MR stack, thereby reducing an operational temperature of the sensor. CONSTITUTION: A bottom pinned CPP MR stack(100) consists of cap dual layers(102), a free layer(104), a non-magnetic layer(106), a pinning layer(108), an antiferromagnetic pinning layer(110), and seed dual layers(112). The non-magnetic layer(106) shows an MR effect. The cap dual layers(102) include a thermal sink cap layer(102a) and a metal cap layer(102b). The seed dual layers(112) consist of a metal seed layer(112a) and a thermal sink seed layer(112b). The MR stack(100) is located between an upper shield(24) and a lower shield(28). Permanent magnet hard bias layers(120) bias the free layer(104) and the pinning layer(108), and stabilize the antiferromagnetic pinning layer(110).
Patent KR-20050032238-A (KR)
Title: A traction hook fixing structure in vehicle
Inventor: YOON JIN
IPC: B60D1/48
Filed: 2003-10-01
Abstract: A traction hook fixing structure of a vehicle is provided to reduce operation processes and to increase combining force of a fixing bracket by spot-welding the fixing bracket screw-combined with a traction hook in a side member. In a traction hook(20) screw-combined in a side member(10) of a square pipe-shaped vehicle body frame, a traction hook fixing structure of a vehicle comprises a first bracket(30) with a section same as the shape of the side member, composed of a nut unit(40) formed in the center and combined with the traction hook having threads in the end, and fixed to the inside of the side member and a second bracket(50) fixed to a rear surface of the first bracket and combined to the rear side of the first bracket by a hole contacting with an outer peripheral surface of the nut unit of the first bracket.