baber/WOPTO huggingface dataset:
Patent KR-20030002079-A (KR)
Title: Control circuit capable of varying pulse width according to the operation mode of semiconductor memory device and internal power supply voltage generator including the same
Inventor: PARK SANG GYUN
IPC: G11C5/14
Filed: 2001-06-30
Abstract: PURPOSE: A control circuit for varying width of a pulse according to an operating method of a semiconductor memory device and an internal supply voltage generation circuit including the same are provided to supply internal supply voltages by changing width of pulses. CONSTITUTION: A control circuit(300) includes a plurality of pulse generators(310,330,340,350), a plurality of expanded pulse generators(360,370,380,390), and a logical sum circuit(G1). The pulse generators(310,330,340,350) and the expanded pulse generators(360,370,380,390) are formed with the same components. The pulse generators(310,330,340,350) generate selectively the first pulses(P1_1,P1_2,P1_3,P1_4) or the second pulses(P1E_1,P1E_2,P1E_3,P1E_4) in response to sensing signals(PS1,PS2,PS3,PS4) and a sense signal(P3). The width of the second pulses(P1E_1,P1E_2,P1E_3,P1E_4) are wider than the width of the first pulses(P1_1,P1_2,P1_3,P1_4). The first pulses(P1_1,P1_2,P1_3,P1_4) and the second pulses(P1E_1,P1E_2,P1E_3,P1E_4) are applied to drivers for supplying interval supply voltages of four memory banks. The expanded pulse generators(360,370,380,390) generate extended pulses(P2_1,P2_2,P2_3,P2_4) in response to the first pulses(P1_1,P1_2,P1_3,P1_4) or the second pulses(P1E_1,P1E_2,P1E_3,P1E_4).
Patent KR-20010079405-A (KR)
Inventor: KIM KYOUNG NYUN
IPC: B29D23/00
Filed: 2001-07-12
Abstract: PURPOSE: A method for manufacturing an exothermic pipe using synthetic resin semiconductor is provided to apply the exothermic pipe into a house heating apparatus and to apply the exothermic pipe to the construction of an agricultural vinyl house. CONSTITUTION: A mixture(3) of high density synthetic resin material, a pyrogen material, and a semiconductor material is extruded from a screw(7) provided in a cylinder(5). The cylinder also has a heater(6) for melting the mixture. The extruded high density pyrogen synthetic resin mixture is attached to an electric wire(2) passing a pyrogen coating dice(9). The electric wire coated with the high density pyrogen synthetic resin is molded to form an exothermic wire(11). Finally, an alloplasm is added to the exothermic wave dehydrated at cooling vacuum device to prevent the adsorption of another synthetic resin.
Patent KR-20030006543-A (KR)
Title: Semiconductor integrated circuit including circuit for selecting embeded TAP'ed cores
Inventor: CHAE EUN SEOK
IPC: G01R31/3185
Filed: 2001-07-13
Abstract: PURPOSE: A semiconductor integrated circuit is provided to be capable of testing each embedded TAP'ed core both at a chip state and at a board state. CONSTITUTION: TAP'ed cores(31,33) share four input pins(TDI,TMS,TRST,TCK). The input pin(TDI) is a serial test data input pin, the pin(TMS) is a test mode select signal input pin, the pin(TRST) is a test reset signal input pin, the pin(TCK) is a test clock signal input pin, and the pin(TDO) is a test data output pin. A boundary scan register circuit(37) has an input terminal connected to the data input pin(TDI). A select signal generating circuit(39) has input terminals connected to the pins(TDI,TRST,TCK), and generates select signals(SE0,SE1) for selecting one of the TAP'ed cores(31,33) and the boundary scan register circuit(37) in response to signals received via the input terminals of the circuit(39). A selector(35) selects one of outputs of the cores(31,33) and an output of the boundary scan register circuit(37) in response to the select signals(SE0,SE1).
Patent KR-20030008289-A (KR)
Title: Methode for forming trench of semiconductor device
Inventor: KANG SEONG U
IPC: H01L21/76
Filed: 2001-07-19
Abstract: PURPOSE: A method for forming a trench of a semiconductor device is provided to lengthen a meal free path of an etching gas and form a plurality of trenches having uniform depth by etching a semiconductor substrate under low pressure. CONSTITUTION: A stacked layer is formed on a semiconductor substrate(200) by stacking a silicon oxide layer and a hard mask layer. A photoresist pattern(208) is formed on the hard mask layer. A stacked layer pattern is formed on the semiconductor substrate(200) by patterning the stacked layer. The photoresist pattern(208) is removed. A plurality of trenches(210,212,214) are formed on a predetermined region of the semiconductor substrate(200) by etching the semiconductor substrate(200). The stacked layer and the semiconductor substrate(200) are patterned by using the photoresist pattern(208) as an etch mask. The photoresist pattern(208) is removed.
Patent KR-20030009749-A (KR)
Title: Tire tread rubber composition with excellent rolling resistance
Inventor: LEE JIN HAENG
IPC: C08K3/04
Filed: 2001-07-24
Abstract: PURPOSE: Provided is a tread rubber composition for tires excellent in rotation resistance, which keeps regulation stability and reduces the rotation resistance. CONSTITUTION: The tread rubber composition contains a base rubber, 20-30phr of a carbon black H/S HAF, 30-40phr of silica, and additives such as an active agent, an anti-aging agent, sulfur, and a vulcanizing accelerator, wherein the base rubber comprises 22-32phr of solution-styrene butadiene rubber A containing 25% of styrene and 73% of vinyl, 50-70phr of solution-styrene butadiene rubber B containing 15% of styrene and 57% of vinyl, and 15-20phr of a natural rubber.
Patent KR-20030010089-A (KR)
Title: Semiconductor laser diode with i type ridge and fabricating method of the same
Inventor: AHN HYEONG SU
IPC: H01S5/30
Filed: 2001-07-25
Abstract: PURPOSE: A method of making semiconductor laser diode having i-type ridge is provided to reduce current drift and resistance and obtain a high power, by forming a ridge of an "I" shape so that an upper width is widened and a lower width becomes narrow. CONSTITUTION: An n-type clad layer, an active layer(55), the first and second p-type clad layer(62), and a cap layer(63) are formed sequentially on an n-type substrate(51). A ridge(64) of an "I" shape is formed by etching the second p-type clad layer and the cap layer. The first n-type current blocking layer(67) is formed from an upper surface of the first p-type clad layer to a predetermined height of the ridge. The second n-type current blocking layer(68) is formed on an upper surface of the first n-type current shield layer so that an upper surface of the ridge is exposed. A p-type cap layer(69) is formed on upper sides of the second n-type current shield layer and the ridge. P-type and n-type metal electrodes(71,73) are formed on a upper side of the p-type cap layer and a lower side of the n-type substrate, respectively.
Patent KR-20030012207-A (KR)
Title: Binary Aerodynamic Dust-separating Module
Inventor: LEE YONG TAEK
IPC: B01D45/06
Filed: 2001-07-31
Abstract: PURPOSE: Provided is a binary aerodynamic dust separator module having a small size so as to be installed in a small space and capable of effectively removing dust from gas. CONSTITUTION: The binary aerodynamic dust separator module comprises a first cylindrical casing(13) having a hollow therein, a first dust collector(10) installed in the first cylindrical casing(13) and being comprised of a plurality of rings(11) which are arranged along the inner surface of the casing(13) at regular intervals and have smaller diameters as the rings(11) become farther from an intake(14) of the first cylindrical casing(13), and gaps(12) interposing the corresponding rings(11), a second cylindrical casing(23) having a hollow therein and coaxially coupled to an exhaust end(15) of the first cylindrical casing(13), a second dust collector(20) coaxially installed to the first dust collector(10) in the second cylindrical casing(23) and being comprised of a plurality of rings(21) which are arranged along the inner surface of the second casing(23) at regular intervals and have smaller diameters as the rings(21) become farther from an intake(24) of the second cylindrical casing(23), and gaps(22) interposing the corresponding rings(21), and a dust exhaust pipe(26) coupled to the smallest ring in the second dust collector(20) for discharging dust particles collected by the second dust collector(20) to the air.
Patent KR-20030012221-A (KR)
Title: Method for manufacturing non-oxygen Cu-Ag alloy
Inventor: JUN JU HEUM
IPC: C22C9/00
Filed: 2001-07-31
Abstract: PURPOSE: Provided is a method for manufacturing an oxygen-free Cu-Ag alloy which obtains 300 deg.C or more of recrystallization temperature, 80 to 120 HB of vickers hardness and 100% or more of electrical conductivity based on IACS (International Annealed Copper Standard) by mixing less than 0.043 to 0.1 wt.% of Ag with Cu after manufacturing Cu having less than 10 ppm of oxygen. CONSTITUTION: The method for manufacturing an oxygen-free Cu-Ag alloy comprises the steps of controlling graphite content by coating fine graphite powder on the molten copper to remove oxygen and prevent oxidation in molten pure copper using carbon reduction, and controlling graphite content by maintaining depth of a graphite mold dipped into the molten copper during continuous casting to prevent the graphite powder from flowing into the mold along with the molten copper when the mold dipped into the molten copper is moved upward, thereby reducing carbon content to 0.004 wt.%; controlling oxygen content by increasing 10% of operation time compared to an ordinary operation time after the graphite content control step, thereby leaving the pure copper in tundish for 33 minutes so that the oxygen content is lowered to 5 to 6 ppm; and injecting Ag into the molten copper after the oxygen content control step, wherein the Ag is injected into the molten copper by cutting the Ag ingot to a size of 30x30x20 mm after manufacturing Ag mother alloy containing less than 0.043 to 0.1 wt.% of Cu in an ingot shape having a size of 30x50x270 mm so that the Ag is not segregated but uniformly distributed in the molten copper.
Patent KR-20030015402-A (KR)
Title: Measuring Device for Inertia Moment
Inventor: MUN SEUNG HWAN
IPC: G01M17/02
Filed: 2001-08-13
Abstract: PURPOSE: An apparatus for measuring a rotational period for the moment of inertia of a tire is provided to obtain more accurate moment of inertia of the tire and reduce time required for obtaining the inertia moment. CONSTITUTION: An apparatus for measuring a rotation period for the moment of inertia of a tire includes a fixed plate(2) fixed to a frame(1), wires(3) fixed to the fixed plate(2) and extended to the lower part, an upper plate(4) holding onto the wire(3), a lower plate(7) coupled to the lower part of the upper plate by a coupling element(5) and mounting a tire(6) to be measured, a photo sensor(8) measuring a rotational period of the tire, and a measuring computer(9) connected with the photo sensor(8).
Patent KR-20030016037-A (KR)
Title: Method for searching web page on popularity of visiting web pages and apparatus thereof
Inventor: AHN JEONG SU
IPC: G06F13/00
Filed: 2001-08-20
Abstract: PURPOSE: A method for searching a web page based on a hit ratio according to web pages and a device thereof are provided to collect URL information of a web page reflected by a disk cache file of a user directly, store the information according to hit ratio, link rates, and similarity rates of web pages, extract web pages including a keyword, and supply the web pages for the user. CONSTITUTION: URL information with respect to web pages visited by users is received(110). A portion for indicating a communication protocol is removed out of the received URL information(120). An IP address is checked in the received URL information, and a duplicated domain is removed, and URL information visited by users is extracted(130). A rearrangement is performed in accordance with the number of visiting times according to web pages from the URL information classified according to visited users(140). The number of visiting times according to web pages is converted into a visiting popularity rate and stored(150).
Patent KR-20030016667-A (KR)
Title: door locking system having anti-hindering function of a vehicle
Inventor: KIM MYEONG SIN
IPC: E05B79/10
Filed: 2001-08-21
Abstract: PURPOSE: A door locking device of a vehicle having a restraint preventing function is provided, which converts a locking state of a latch into an unlocking state. CONSTITUTION: An actuator side connection member(10) converts a locking state into an unlocking state by a control part. A safety lock side rotation member(20) rotates by being interlocked to the connection member when the connection member moves to the unlocking state. A left hand side connection member(30) is interlocked with a left handle of the door. An intermediate medium member(40) is connected between the left hand side connection member and the safety lock side rotation member. A lever member(50) converts the latch from a locking state into an unlocking state by the movement of the intermediate medium member. An assistant rotation member(60) is installed in the intermediate medium member, and is given with a rotation limit so as to be placed on the same position as the position of a bent projection part(52) formed on the lever member.
Patent KR-20030017017-A (KR)
Title: Apparatus and method for coiling cold rolling strip
Inventor: LEE CHANG HAN
IPC: B21C47/32
Filed: 2001-08-23
Abstract: PURPOSE: An apparatus and a method for coiling cold rolled strip coil are provided to prevent defect of end marks that are generated during coiling of cold rolled strip. CONSTITUTION: The apparatus for coiling cold rolled strip coil comprises a strip speed sensing part(30) for sensing speed of strip that is transferred by rotation of a coiler; a strip front end sensing part(40) for sensing whether the front end part of strip is approached or not; a sleeve stepped profile sensing part(50) for sensing position tracking information of a sleeve stepped profile part(20); a coiling speed sensing part(90) for sensing coiling speed of sleeve(10); and a position control part(60) for performing position controlling by position tracking to position deviation amount using information sensed from the strip speed sensing part(30), strip front end sensing part(40), sleeve stepped profile sensing part(50) and coiling speed sensing part(90), wherein the position control part(60) comprises a position deviation operation part, a proportional integration control part, a speed limit part and an anti-windup control part, the proportional integration control part comprises a proportional gain part, first connection part, an integration part and second connection part, and the anti-windup control part comprises third connection part and an anti-windup gain part.
Patent KR-20030018372-A (KR)
Inventor: LEE BONG CHU
IPC: G01L1/00
Filed: 2001-08-28
Abstract: PURPOSE: An apparatus for measuring operating force of a door key is provided to allow for an accurate and objective evaluation through the comparison of digital data, while shortening the time taken for checking the performance of the door lock device. CONSTITUTION: An apparatus comprises a key insertion jig(10) including a key insertion groove(12) for insertion of a key handle(3), a fixing portion having an edge with an angle, and the key insertion jig transmits the torque from a door key(1) fit into the insertion groove to a socket unit(20) through the fixing portion; the socket unit having an insertion groove for insertion of the fixing portion of the key insertion jig, and which transmits the torque transmitted from the key insertion jig to the input side of a torque gauge(30) through the insertion groove; and the torque gauge for calculating the torque transmitted through the socket unit and applied to the torque input side, and outputting the calculated torque in a digital form.
Patent KR-20030019028-A (KR)
Title: Color Changeable Polymer Resin Composition owing to Electro Magnetic Field
Inventor: PARK JOON SANG
IPC: C08K3/00
Filed: 2001-08-31
Abstract: PURPOSE: A polymer resin composition is provided, which absorbs the electromagnetic wave to change the color and can be used to inform the user of a computer of the exposure to the electromagnetic wave due to the long-termed use. CONSTITUTION: The polymer resin composition comprises 100 parts by weight of a polymer resin; 10-50 parts by weight of an electromagnetic wave absorbent; and 0.05-3 wt% of a chameleon pigment. Preferably the polymer resin is a plastic selected from the group consisting of polycarbonate, polypropylene, poly(vinyl chloride), polyethylene, poly(vinyl acetate); an elastomer selected from the group consisting of polyurethane and styrene-based thermoplastic elastomer; or a rubber (elastomer) selected from the group consisting of styrene-butadiene rubber, nitrile rubber, ethylene-propylene rubber and butadiene rubber. Preferably the electromagnetic wave absorbent is a perite comprising Mn-Zn-ferrite, Ni-Zn-ferrite, Cu-Zn-ferrite, Mg-Zn-ferrite or their mixtures, tourmaline or a metal-coated fiber; and converts the absorbed electromagnetic energy into the heat energy. The color of the chameleon pigment changes at a temperature of 35-45 deg.C.
Patent KR-20030024299-A (KR)
Title: Auto-folder type cellular phone
Inventor: LIM TAE HYEONG
IPC: H04B1/38
Filed: 2001-09-17
Abstract: PURPOSE: An automatic folder-type mobile phone is provided to stably open and close a folder by controlling a phase difference generated by the RPM(Revolutions Per Minute) change or the overload of a motor. CONSTITUTION: A pair of fixed portions(10) are formed at both sides of a body, and fixed grooves(10a) are formed in the fixed portions(10) in a mutually opposite direction. A rotation portion(11) is rotatively supported between the fixed portions(10), and is formed at one side of a folder. A power generating device including a motor(12) and a deceleration gear body(13) is fixed in the rotation portion(11) for generating an operation power. The first coupler(14) rotatively connects to an output terminal of the power generating device. The second coupler(15) has an one side end selectively engaged with an end of the first coupler(14). An elastic device(16) is installed in the fixed portions(10) for providing an elastic force so that the operation of the second coupler(15) is selectively stopped and released. A signal providing portion is composed at one side of the body for providing an operation signal to the power generating device. A position sensing device including a sensor brush(19) and a sensor PCB pattern(18) is installed in a certain position of the first coupler(14) and the rotation portion(11) for providing a control signal to the power generating device when the same phase is achieved.
Patent KR-20030028052-A (KR)
Title: Wafer boat for diffusion furnace
Inventor: BAEK SEUNG HUN
IPC: H01L21/22
Filed: 2001-09-27
Abstract: PURPOSE: A wafer boat of a diffusion furnace is provided to reduce a fabricating cost and prevent contamination due to particles by forming a dummy wafer and a boat with the same material. CONSTITUTION: A boat is vertically installed at a diffusion furnace. A main body of the boat is formed with a plurality of vertical beams(11). Circular plates(13,15) are formed at an upper portion and a bottom portion of the vertical beams(11), respectively. The vertical beams(11) are fixed by the circular plates(13,15). A plurality of slots are formed on the vertical beams(11). Wafers are inserted into the slots of the vertical beams(11). A plurality of dummy wafers(27) are inserted into a predetermined part(29) of an upper portion and a predetermined part(31) of a lower portion. The dummy wafers(27) are formed with quartz.
Patent KR-20020026847-A (KR)
Title: Automatic injection device
Inventor: FUKUDA TAKASHI
IPC: A61M5/00
Filed: 2001-09-28
Abstract: PURPOSE: An automatic injection device is provided to effectively prevent liquid from being undesirably mixed and the injection amount thereof from becoming less accurate. CONSTITUTION: The automatic injection device(100) has piston holders(3a,3b) holding cylinder pistons and plural systems of heads having a drive mechanism for moving the piston holders forward and backward so that the device can hold a plurality of syringes and operates injection or suction in each syringe independently. This device also has a mechanism for prohibiting the backward-moving of the piston holder of a second head when the piston holder of a first head is in a forward-moving state and the piston holder of the second head is in a stopped state.
Patent KR-20030030108-A (KR)
Title: Head lamp leveling device actuator for automobile
Inventor: LIM TAE YEONG
IPC: B60Q1/06
Filed: 2001-10-08
Abstract: PURPOSE: A headlamp-leveling device actuator for a vehicle is provided to improve reaction velocity of the actuator, reduce the number of parts, lighten the weight by removing a motor, and reduce the cost. CONSTITUTION: A headlamp-leveling device actuator for a vehicle comprises a cylindrical slider guide(16) wound with a coil(14), with a thread(15a) within; a slider(17), with a thread(15b) outside, joined inside the slider guide, for screw movement; a magnet(18) joined inside the slider, to move back and forth while having a polarity change relatively to the coil; a reflector shaft(13) integrally connected with the magnet and moved together with the magnet; and a controller(19) to apply current of 11¯14V to the coil as a pulse signal mode and to control rotation of the slider guide. Thus, the response velocity of the actuator is improved.
Patent KR-20020031039-A (KR)
Inventor: HEISHI AKINORI
IPC: H01J29/98
Filed: 2001-10-17
Abstract: PURPOSE: A CRT display device is provided, in which brightness is adjusted by a simple circuit utilizing the characteristics of the Hi-Gm tube. CONSTITUTION: The CRT includes an electron gun having a cathode(2), a G1 electrode(3), a G2 electrode(4) and a G3(6) electrode disposed in that order to draw electrons from the cathode. The electron gun further has a modulating Gm electrode(5) disposed between the G2 and G3 electrodes. The display apparatus is provided with a controller for controlling a value of a voltage applied to the Gm electrode to adjust brightness of a picture on a screen of the CRT.
Patent KR-20030035689-A (KR)
Title: Methode for changing function of execution in mobile phone
Inventor: KWON JUN NO
IPC: H04B1/38
Filed: 2001-11-02
Abstract: PURPOSE: A method for changing a performance function in a cellular phone is provided to store working contents when a telephone call is received while working by using a keypad of the cellular phone and then change automatically to the previous working state when the telephone call is finished. CONSTITUTION: A work using a keypad of a cellular phone is performed(110). When a reception signal of a telephone call is received while working, a mode is changed into a caller display service mode illustrating a telephone call, a memory menu and caller information(150). Thereafter, when a telephone call menu is selected, the telephone call is performed(200). When a memory menu is selected, the work is stored and thereafter a telephone call is started(170). When a telephone call menu or a memory menu is not selected, a waiting state is maintained until the reception signal is finished and thereafter the work state is returned(190). When a telephone call is started by selecting a telephone call or a memory menu, it is discriminated whether there is a stored work when a telephone call is finished(220). If there is a stored work, a mode is changed to the stored work performing state. If there is no a stored work, a mode is changed to a waiting mode(230).