baber/WOPTO huggingface dataset:
Patent KR-20020039506-A (KR)
Title: Tilt controlling method and apparatus
Inventor: PARK SANG ON
IPC: G11B20/10
Filed: 2000-11-21
Abstract: PURPOSE: A device and a method for controlling a tilt are provided to start the tilt control by detecting a TPP(Tangential Push Pull) error signal through a step of initializing a tilt of an optical recording medium and adjusting offset between a central level of a peak-to-peak voltage and a reference level of the tilt control, so as to correctly control the tilt using a TPP manner afterward. CONSTITUTION: An optical pickup unit(22) has a built-in light detector in which optical beam reflected from an optical disk is converted into an electric signal. A servo error generator(23) generates a servo error signal from the electric signal output from the optical pickup unit. A TE(Tracking Error) detector(24) detects a TE signal generated in the servo error generator. An FE(Focus Error) detector(25) detects an FE signal generated in the servo error generator. A TPP error, or a tilt error detector(26) detects a TPP error signal generated in the servo error generator. An LPF(Low Pass Filter,27) is arranged. A servo controller(28) generates a control signal for controlling the servo by the signals in the error detectors. And a tilt controller(29) controls the servo by controlling the optical pickup unit according to a driving signal output from the servo controller.
Patent KR-20010067010-A (KR)
Inventor: KIM TAE GYUN
IPC: C09K11/02
Filed: 2000-11-23
Abstract: PURPOSE: A binder composition for thickened film type EL element is provided for ensuring high brightness and long life time and improving printing ability of the EL element by comprising specific solvent to maintain solubility of dimethylformamide to dissolve cyanoethyl resin polymer while restricting the volatility thereof. CONSTITUTION: The binder composition comprises 30-35 wt.% of cyanoethyl resin polymer; 35-60 wt.% of a solvent selected from a group consisting of cyclohexanone, diethyleneglycol monobutylether acetate, ethyleneglycol monoethylether acetate, diethyleneglycol monobutylether, ethyleneglycol monobutylether acetate, diethyleneglycol, N-methylpyrrolidone, ethylcyanoacetate, propylene-1,2-carbonate and mixture thereof; and 10-30 wt.% of dimethylformamide. The EL element comprises ITO film, fluorescent layer, dielectric layer, carbon terminals and desiccant layer. The fluorescent layer and dielectric layer each are prepared by screen-printing a mixture of 20-30 wt.% of fluorescent material or dielectric material and 70-80 wt.% of the binder composition and curing the resultant material.
Patent KR-20020040293-A (KR)
Title: Different speed sub timeslot sellecting circuit
Inventor: LEE BYEONG JIN
IPC: H04L12/20
Filed: 2000-11-24
Abstract: PURPOSE: A circuit for selecting a sub time slot with variable rates is provided to set a synchronous signal with a low rate as various rates and simultaneously accommodate several subscribers in one sub-frame. CONSTITUTION: A mode judging unit(201) judges a selection mode of a sub time slot selected in a mode selection unit. A sub-frame generating unit(202) generates a sub-frame to be used in a low rate synchronous multiplexing mode. A frame setting unit(203) sets a time slot repeated according to a mode or a time slot in which a rate differs in the generated sub-frame, and assigns a subscriber in the generate sub-frame. A mode display unit(204) displays the low rate synchronous multiplexing mode when the set and outputted signal is the low rate synchronous multiplexing mode. A time slot generating unit(205) generates a time slot and a sub time slot to be assigned in the sub-frame. A data output unit(206) mixes transmission data with the selected time slot. A subscriber rate assigning unit(207) assigns the rate of the sub time slot as a rate selected by a user.
Patent KR-20020041536-A (KR)
Inventor: CHOI HAE CHANG
IPC: C23C8/26
Filed: 2000-11-28
Abstract: PURPOSE: A method for manufacturing a steel plate for welded structure is provided which not only minimizes a toughness difference between a base metal and a weld heat-affected zone in the welding heat input ranging from medium heat input to ultra high heat input, but also accomplishes high strength of the base metal by minimizing microstructure of ferritic grain in base metal structure. CONSTITUTION: The method for manufacturing the high strength steel plate for welded structure comprises the processes of heating a steel slab comprising 0.03 to 0.17 wt.% of C, 0.01 to 0.5 wt.% of Si, 0.4 to 2.0 wt.% of Mn, 0.005 to 0.2 wt.% of Ti, 0.0005 to 0.1 wt.% of Al, 0.005 or less wt.% of N, 0.0003 to 0.01 wt.% of B, 0.001 to 0.2 wt.% of W, 0.03 wt.% or less of P, 0.03 or less wt.% of S, 0.005 wt.% or less of O; heating the steel slab within the temperature range of Ar3+25°C to 1150°C for 60-180 minutes so that N content in the steel slab become 0.008-0.03% while satisfying 1.2<= Ti/N<=2.5, 10<=N/B<=40, 2.5<=Al/N<=7, 6.5<=(Ti+2Al+4B)/N<=14; cooling the steel slab to the temperature range of Ar3+25°C to Ar3-25°C at a cooling rate of less than 25°C/sec; hot rolling the steel slab at a reduction ratio of higher than 60%; and cooling the hot rolled steel sheet to ambient temperature at a cooling rate of 5 to 30°C/sec.
Patent KR-20010061978-A (KR)
Inventor: ALBRECHT SVEN
IPC: C01G53/00
Filed: 2000-11-28
Abstract: PURPOSE: An active material for a rechargeable battery, its producing method and a rechargeable battery produced by using the active material are provided, to reduce the distance between layers and to increase the charging density. CONSTITUTION: The active material is a mixture metal hydroxide having brucite structure. The mixture metal hydroxide contains nickel hydroxide as base material, and 12-30 atom% of at least one trivalent metal selected from the group consisting of Co, Fe, Al, Ga, In, Sc, Y and La relatively to a metal compound including nickel. Preferably the mixture metal hydroxide contains further 15 atom% or less of a metal which is selected from Co, Fe, Mn, Cr, Ti, Zr and Cu and is different from the trivalent metal, and/or 12-25 atom% of Al. The distance of nickel layers measured by a X-ray diffraction is 4.3-4.8 Angstrom.
Patent KR-20020044937-A (KR)
Title: Apparatus for coincidence data clock and frame synchronization in a local data link circuit pack inner mobile switching center
Inventor: LEE GYU HO
IPC: H04L7/00
Filed: 2000-12-07
Abstract: PURPOSE: An apparatus for interfacing a data clock and a frame synchronous pulse in a local data link circuit pack within a mobile communication exchange is provided to interface the data clock and the frame synchronous pulse between an even link and an odd link by installing a clock selector and a frame synchronizer within a control portion. CONSTITUTION: An odd optical interface portion(110) is used for transmitting and receiving optical data of an STM-1 level of 155.520Mbps. An even optical interface portion(120) is used for transmitting and receiving optical data of an STM-1 level of 155.520Mbps. A PCM/IPC data transmission/reception memory portion(130) is used for transmitting and receiving PCM/IPC data between the odd and the even interface portions(110,120) and a time switch(200). A phase locked loop(140) generates a clock of 16.38Mhz synchronized with a clock of 19.44Mhz extracted from the even optical interface portion(120). A control portion(150) generates a data clock and control a data transmission operation and a data reception operation. A data clock/frame synchronization interface portion(170) is used for interfacing the data clock and a frame synchronous signal between the control portion(150) and other side boards. A data interface portion(180) transmits the data clock and the frame synchronous signal to the time switch(200).
Patent KR-20010087144-A (KR)
Title: Oscillating liquid level measuring apparatus
Inventor: HAGIWARA YOSHIHIRO
IPC: G01F23/30
Filed: 2000-12-13
Abstract: PURPOSE: To provide a level measuring device for a fluctuating liquid surface having long life with a low cost. CONSTITUTION: This level measuring device for the fluctuating liquid surface is provided with a liquid level measuring means 10 comprising a float 3 made of a material with the specific gravity smaller than that of the liquid 1 in a tank 2 storing the liquid 1 and floating on the surface of the liquid 1, a variable resistor 4 formed on the upper face of the tank 3 and measuring the displacement in the vertical direction, a transfer section 5 connected to the float 3, erected in the vertical direction, and transferring the displacement quantity in the vertical direction of the float 3 to the variable resistor 4 through the upper face of the tank 2, and a hold section 6 formed around the transfer section 5, limiting the movement of the float 3 only in the vertical direction, and prohibiting the movement in the horizontal direction. The connecting portion of the transfer section 5 and the variable resistor 4 has a fixed quantity of play 9 in the displacement direction 8 of the float 3.
Patent KR-20020047800-A (KR)
Title: method for providing remote exploration and guide service
Inventor: CHAE I SIK
IPC: G06F17/00
Filed: 2000-12-14
Abstract: PURPOSE: A remote expedition or tour guide service method is provided to offer a real time image of each actual expedition or tour place for helping a user enjoy an expedition or a tour without a local guider. CONSTITUTION: The method comprises steps of a server providing a menu for various tour packages over a web site(S20), a user checking the offered tour packages over a mobile phone and selecting one tour package(S21), the server providing a list of tour places on the selected tour package over the web site(S22), the user selecting one tour place among the list over the mobile phone(S23), the server encoding images of the selected tour place, taken by a camera installed at the tour place(S24), the server performing a real time streaming on the encoded image to the mobile phone(S25), the user making a purchase order on the tour package after viewing the real time streaming image(S26), the server transmitting an itinerary on the purchased tour package to the mobile phone(S27), the server requesting a settlement of the tour package to the user over the mobile phone(S28), the server requesting reservations for the corresponding tour if the user pays the tour package(S29, S30), and the server providing tour guide information to the user over the mobile phone while the user is enjoying the tour(S31, S32).
Patent KR-20020047888-A (KR)
Title: Tension control method of bridle roll inlet part when coil end part no tension pass away
Inventor: KIM GEUN YEONG
IPC: B21B37/00
Filed: 2000-12-14
Abstract: PURPOSE: A method for controlling tension of an entry bridle roll when a coil end part is threaded without tension is provided to calculate an acted friction coefficient by receiving an exit tension value in real-time, and set and control each roll loads of an entry bridle roll unit as a separate tension by calculating the friction coefficient in real-time. CONSTITUTION: In case that an end part of the preceding iron steel sheet is separated from a pay-off reel so that the iron steel sheet is transferred in the state that the end part of the iron steel sheet has not any tension when preceding and following iron steel sheets thread an entry facility in the manufacturing process of a cold rolled and surface treated strip, the method for controlling tension of an entry bridle roll when a coil end part is threaded without tension comprises turning on transmission of reduction force signals of snubber rolls and changing tension setting of the bridle rolls at the same time (S0,S2); simultaneously measuring reduction force of the snubber rolls using a measuring sensor and A/D converting the measured reduction force when the snubber rolls are rolling reduced (S3); calculating a friction coefficient during no tension threading by the following mathematical expression after receiving exit tension values in real-time according to rolling reduction of the snubber rolls, a size of the strip and operation characteristics of an entry equipment by the converted signals and charging signals of the tension setting (S4): £Mathematical Expression| Y=μ*S*{EXP£(Σθi/180)*π*μ|+1} where Y is an exit tension of the bridle rolls, μ is a friction coefficient, S is a reduction force of the snubber rolls and θ is a winding angle of the bridle rolls with the iron steel sheet; controlling tensions applied to the bridle rolls by distributing loads on the bridle rolls during the no tension threading through the calculated friction coefficient and controlling torches of each driving motors of the bridle rolls (S5).
Patent KR-20020048454-A (KR)
Title: Apparatus for shifting engine room hood of vehicle
Inventor: KIM YONG UK
IPC: B62D25/12
Filed: 2000-12-15
Abstract: PURPOSE: A device for lifting the engine room hood of a vehicle is provided to prevent moisture from flowing in the engine room when opening the engine room for a check of the engine room or repair in raining. CONSTITUTION: A device for lifting the engine room hood of a vehicle is equipped with an engine room hood(10), poles(30), locking nuts(40), and a pneumatic cylinder(50). Both rear ends of the engine room hood are coupled to a vehicle body(20) by hinge shafts(60). The poles are formed to both front sides of the engine room in one and coupled through the vehicle body. The poles can ascend and descend and the pole forms screw thread(32). The locking nuts are coupled to the screw thread and the locking nuts selectively control the ascent and descent of the pole. The pneumatic cylinder is installed to the rear side of the engine room hood and the pneumatic cylinder lifts the engine room hood. The inspection or repair of the engine room is performed with lifting the engine room hood by the pneumatic cylinder.
Patent KR-20010025342-A (KR)
Title: Apparatus of distance determination for golf
Inventor: SUN KWON SEOK
IPC: G01C22/00
Filed: 2000-12-18
Abstract: PURPOSE: A distance measuring apparatus for golf play is provided to allow a golfer to recognize correct distance between the golf ball and the hole cup. CONSTITUTION: An apparatus comprises a portable receiver(100) for encrypting, modulating and transmitting a hole recognition signal and an identification signal, demodulating and reading the radio signal transmitted from an external source, and calculating a distance signal by utilizing read radio signal; and a transmitter for checking a hole by demodulating and reading the signal transmitted from the portable receiver, encrypting and modulating the reference distance signal, hole recognition signal and an identification signal, and transmitting the encrypted and modulated signal to the portable receiver. The portable receiver includes a power supply(101), an operation panel(102), a coder(103), a frequency generator(104), a modulator(105), a transmitter/receiver(106), a demodulator(107), a decoder(108), a distance estimator(109), a display(110) and a micro computer(111).
Patent KR-20010067404-A (KR)
Title: Chemical mechanical planarization system
Inventor: BIRANG MANOOCHER
IPC: B24B37/26
Filed: 2000-12-18
Abstract: PURPOSE: A chemical mechanical polishing system is provided to condition a polishing pad more rapidly, and to increase a wafer yield by minimize the damage of the wafer as well as strengthen wafer polishing. CONSTITUTION: The chemical mechanical polishing system is a semiconductor wafer treatment system, in particular, to say in more detail, a polishing medium reconditioning system. In one embodiment, the polishing medium reconditioning system is provided with at least a first conditioning roller and a second conditioning roller in contact with a work surface of a polishing medium while it rotates in the opposing direction. In the other embodiment, it includes a conditioning plate arranged on a carrier including a polishing head, a conditioning roller or a disc crossing a surface of the polishing medium, and a conditioning disc conditioning the polishing medium while it is held in the polishing head. Instead the polishing medium can be conditioned using a device performing conditioning apart from the treatment system.
Patent KR-20020049449-A (KR)
Title: Chemical rinse composition having affinity for environment
Inventor: KIM SEONG BAE
IPC: G03F7/42
Filed: 2000-12-19
Abstract: PURPOSE: Provided are environment-friendly chemical rinse compositions which has a high ignition point, can be stored for a long period of time, inhibit corrosion of metallic membrane and show superior rinse effect. CONSTITUTION: The rinse compositions comprise (a) 0.05 to 3 wt% of an inorganic alkali or organic alkali; (b) 0.5 to 10 wt% of an amino acid compound; (c) 0.1 to 30 wt% of an organic solvent; and (d) 57 to 99 wt% of water and are used for cleaning resist striper. The inorganic alkali may be selected from a group of potassium hydroxide, sodium hydroxide, sodium phosphate, sodium silicate and mixtures thereof. The organic alkali may be selected from compounds having a structure represented by the formula 1, in which R1 to R4, which may be the same or different, represent a C1-4 alkyl or C6-10 aryl group.
Patent KR-20020050898-A (KR)
Title: System and method for managing mud game, and media for storing program source thereof
Inventor: KIM SEOK SOON
Filed: 2000-12-22
Abstract: PURPOSE: A system and a method for managing a MUD game, a recording medium recording a program source thereof are provided to support an upgrading process of the MUD(multi-user dimension) game being progressed by a user in the case that the user buys a predetermined commodity or uses a service at an off-line through a cooperated company. CONSTITUTION: A MUD game managing server(30) updates MUD game information of a corresponding user using MUD game bonus information being received through a communication network(20) and supports a performance of the MUD game of the user using updated MUD game information. A member store terminal(15) reads user identification information from a MUD game bonus supply card suggested at paying a purchase price and a service charge and transmits the user identification information and information with respect to the purchase price and the service charge paid by the user through the communication network(20). A cooperated card issuing server(40) transmits a web page for issuing the MUD game bonus supply card to the user, issues a MUD game bonus supply card using the user identification information and the MUD game identification information inputted through the web page, creates MUD game bonus information using the user identification information and the purchase price and the service charge paid by the user from the member store terminal(15), and transmits the created MUD game bonus information to the MUD game managing server(30).
Patent KR-20020052122-A (KR)
Title: Device for removing dust and mist with twin-duct structure in dust collector
Inventor: HUH CHUN HAENG
IPC: F27B3/10
Filed: 2000-12-23
Abstract: PURPOSE: An apparatus with twin duct structure for removing skull in dust collecting duct is provided which improves efficiency of dust collection by easily removing dust and skull, and enables safe and continuous operation by easily replacing or repairing the dust collection duct without dismantling. CONSTITUTION: In a skull removing apparatus for removing dust and skull accumulated inside dust collection duct of an electric furnace(1), the apparatus with twin duct structure for removing skull in the dust collecting duct comprises a twin duct(100) which is rotationally mounted and equipped with a plural ducts(30,30-1) connected to the exit side of the dust collecting duct(5) of the electric furnace(1), wherein one duct(30) in the plural ducts is connected to the exit side of the dust collecting duct(5) to discharge dust and skull in the electric furnace(1) while the other duct(30-1) is outwardly exposed so that it is in the air; and a driving motor(22) rotating the twin duct(100), wherein the plural ducts(30,30-1) composing the twin duct(100) are removably mounted on the exit side of the dust collecting duct(5) by rotating the ducts(30,30-1) using the driving motor(22).
Patent KR-20020052859-A (KR)
Title: Device for crushing swarf in filter tank
Inventor: CHOI BYEONG UK
IPC: B21B45/00
Filed: 2000-12-26
Abstract: PURPOSE: An apparatus for crushing swarf in filter tank of swarf treatment equipment is provided which reduces load of a conveyor by crushing swarf that is agglomerated and deposited, and manages grinding oil more cleanly. CONSTITUTION: The apparatus for crushing swarf in filter tank of swarf treatment equipment comprises a swarf crushing part comprising two or more rotation shafts(10) rotationally installed between conveyors of the filter tank in a width direction, crucial crushing blades(11) which are alternately installed on the surface of each of the rotation shafts(10) with the crucial crushing blades(11) being spaced apart from each other in a certain distance so as to crush swarf, and an air jet means scattering swarf crushed to prevent swarf from being deposited on one position; and a power transmission part rotating the rotation shafts and comprising a driving sprocket wheel(30) installed at a conveyor driving shaft of the filter tank on the outer surface of the filter tank, driven sprocket wheels(32) installed at upper and lower parts on the front outer surface of the other side of the filter tank, chains(33) connecting each of the sprocket wheels, and operating sprocket wheels(34) which are installed at the front of a rotation shaft that is extended outward by penetrating the side surface of the filter tank so that the operating sprocket wheels(34) are engaged with the chains(33).
Patent KR-20020058354-A (KR)
Title: Method for forming the contact hole of semiconductor device
Inventor: CHOI DONG GU
IPC: H01L21/28
Filed: 2000-12-29
Abstract: PURPOSE: A method for forming a contact hole of a semiconductor device is provided to enlarge an area of a contact hole by removing a fluorine-carbon layer, a barrier nitride layer, and an oxide stringer. CONSTITUTION: A hate line(110) is formed on a semiconductor substrate(100). A gate spacer(120) is formed by using one or more material of Si3N4, SiON, AlON, SiC, and AL2O3. A barrier nitride layer(130) and an interlayer dielectric(140) are sequentially deposited thereon in order to prevent a damage of the semiconductor substrate(100). A photo-resist layer is formed on the above structure and a contact hole is formed thereon. A fluorine-carbon layer is removed from the contact hole by using a mixed gas of O2 gas or CO gas and inert gases such as Ar and He. An oxide stringer is removed by removing the fluorine-carbon layer.
Patent KR-20020058971-A (KR)
Title: A Breakdown Preventing Control Device Of A Machine Tool's Main Shaft Gear And Method Thereof
Inventor: LEE SEONG U
IPC: B23Q5/04
Filed: 2000-12-30
Abstract: PURPOSE: An apparatus and a method for protecting a main shaft gear of a machine tool are provided to prevent the main shaft gear from being broken by adopting a solenoid valve for preventing the breakage of the main shaft gear. CONSTITUTION: A gear ratio of a main gear box(10) is converted to process a workpiece. Hydraulic pressure supplied from a hydraulic pump is supplied to the main gear box(10) through the first solenoid valve(20) for controlling a middle speed, the second solenoid valve(30) for controlling a high speed, and the third solenoid valve(40) for preventing the gear from being broken. By converting the gear ratio through incorporating the first to third solenoid valves(20,30,40), a lower speed, a middle speed and a high speed of a main shaft. In addition, a main shaft(15) is stopped based on the operation of the third solenoid valve(40).
Patent KR-20010021805-A (KR)
Title: 샤프트 로
IPC: F27B1/21
Filed: 1998-07-10
Abstract: 본 발명은 특히 산화철 및/또는 해면철을 포함하는 덩어리 재료의 베드(2)와, 샤프트 로(1)의 바텀 영역위에 배치되어 있는 덩어리 재료용 배출 장치(4) 뿐만 아니라 상기 배출 장치(4)위에 위치되어 있는 환원 가스용 입구 포트(6)를 가진 샤프트 로, 특히 직접 환원 샤프트 로에 관한 것이다.  샤프트 로(1)내의 재료를 이동하기 위한 장치(7)가 입구 포트(6)의 영역과 배출 장치(4)의 영역 사이에 배치되어 있다.