baber/WOPTO huggingface dataset:
Patent KR-20030000307-A (KR)
Title: Channel equalizer for VSB/QAM
Inventor: KIM GANG HO
IPC: H04N7/015
Filed: 2001-06-23
Abstract: PURPOSE: A channel equalizer for both VSB and QAM is provided to execute a channel equalization to a VSB signal and a QAM signal with a single equalizer, thereby reducing an area of hardware. CONSTITUTION: A channel equalizer for both VSB(Vestigial Side Band) and QAM(Quadrature Amplitude Modulation) includes N number of data delayers(102-1-102-4) delaying input I or Q channel data by one symbol before outputting the data; N number of coefficient operating parts(103-1-103-4) multiplying the I or Q channel data by an input I or Q channel error, adding tap coefficients of the previous I or Q channel data to the multiplication result, and delaying the data by one symbol before outputting; a coefficient output part(105) summing up N number of tap coefficients of I or Q channel data before outputting; an I channel signal output part(106) slicing the output of the coefficient output, estimating an I channel error from a difference between a signal before slicing and a signal after slicing, and not executing a decimation extracting only data of symbol position in even case that the channel equalizer is used as a fine separation channel equalizer; and a Q channel signal output part(107) slicing the output of the coefficient output, estimating a Q channel error from a difference between a signal before slicing and a signal after slicing, and not executing a decimation extracting only data of symbol position in even case that the channel equalizer is used as the fine separation channel equalizer.
Patent KR-20020013383-A (KR)
Inventor: HWANG CHEOL JU
IPC: C23C16/44
Filed: 2001-06-27
Abstract: PURPOSE: An apparatus for forming a semiconductor device is provided to deposit a thin film of a uniform thickness on a plurality of wafers loaded to one reaction chamber, by spraying gas to a portion over the wafers through a propeller-type gas sprayer and by making the gas exhausted through a space under the wafers. CONSTITUTION: The reaction chamber(304) has a gas exhaust hole(300). A susceptor support unit(301) is horizontally installed inside the reaction chamber. The wafer(314) is settled in at least one susceptor(303) installed on the susceptor support unit. A cylinder(305-2) is vertically coupled to the upper outer wall of the reaction chamber. A plurality of ring-type grooves are formed along the circumference of the inner wall of the cylinder, and the respective ring-type grooves are connected to a plurality of gas injection holes penetrating the sidewall of the cylinder. A rotating axis is vertically inserted so that the rotating axis is closely adhered to the inner wall of the cylinder and is capable of rotating. A plurality of gas supply pipes are installed lengthwise inside the cylinder. Respective ends of the gas supply pipes are connected to the ring-type grooves, respectively. A propeller-type gas sprayer(308) has branch pipes(308a) radially and horizontally branched such that the branch pipes are respectively connected to the gas supply pipes at the insertion end of the rotating axis. The propeller-type gas sprayer horizontally rotates by the rotation movement of the rotating axis. A plurality of spray holes(307) are formed in the branch pipes, respectively.
Patent KR-20030001141-A (KR)
Title: Fabricating method of Image sensor
Inventor: KIM EUN JI
IPC: H01L27/146
Filed: 2001-06-28
Abstract: PURPOSE: A method for manufacturing an image sensor is provided to improve capacitance and carrier transfer capability by forming a photodiode region by using two-step ion-implantation. CONSTITUTION: A gate electrode(23) is formed on a semiconductor layer(20) of the first conductive type. The first doping region(n-) for a photodiode is formed so as to elongate to the lower portion of the gate electrode(23) by performing tilt-implantation. The second doping region(n-) for the photodiode is formed so as to elongate to the lower portion of the first doping region(n-) by non-tilt implantation. After forming a spacer(25) at both sidewalls of the gate electrode(23), the third doping region(p0) is formed on the first doping region(n-1). At the time, the tilt angle is about 4-7 degree.
Patent KR-20030005537-A (KR)
Title: Method for offerring packet data lossless according to handover in a mobile communication system
Inventor: LEE SEUNG JUN
IPC: H04W36/38
Filed: 2001-07-09
Abstract: PURPOSE: A packet data lossless providing method according to a hand-over in a mobile communication system is provided to perform a lossless serving RNS(Radio Network Subsystem) reallocation in a packet service region by reconfiguring a PDCP(Packet Data Convergence Protocol layer) protocol structure and newly defining necessary control information and an operation procedure for supporting the lossless serving RNS reallocation in the packet service region. CONSTITUTION: A UE(User Equipment) or a target RNC(Radio Network Controller) transmits service data of a unit designated in a PDCP which processes data processed by a packet switch type to be suitable for a radio access protocol to the target RNC or the UE. The target RNC or the UE receives the service data and stores the received service data. The target RNC or the UE receives an acknowledgement signal from the UE or the target RNC and deletes the stored service data.
Patent KR-20030005807-A (KR)
Title: Manufactured goods distinction device of vehicle
Inventor: KIM BYEONG CHEOL
IPC: B62D65/00
Filed: 2001-07-10
Abstract: PURPOSE: A part sorting apparatus for a vehicle is provided to improve performance and appearance by distinguish various parts of the vehicle without installing additional detecting bosses and holes, and to increase the productivity by reducing errors with detecting the kind of the part accurately. CONSTITUTION: A part sorting device of a vehicle is composed of a driving conveyor(100) transferring parts; a stopper installed on the detecting portion to stop the part transferred from the driving conveyor; a part aligning part(120) arranging parts to detect the kind of the vehicle; a weight detecting unit outputting the signal by detecting the weight of the part; a memory unit(130) storing the reference weight according to the kind of the vehicle and detected weight values; and a control unit(140) outputting a driving control signal for inputting the part by comparing the detected weight with the reference value. Errors are reduced, and the productivity is increased by detecting the part accurately according to the kind of the vehicle.
Patent KR-20030006136-A (KR)
Title: An ear-pick
Inventor: AHN CHANG SEOK
IPC: A47K7/00
Filed: 2001-07-11
Abstract: PURPOSE: Provided is an ear pick wherein an operation axis is pushed into a grip part to insert a head inside or outside the reception space of the grip part so that it helps to clean inner ear clearly. CONSTITUTION: The ear pick comprises the parts of: the grip part(10) which is formed in a hollow pipe shape including the reception space(12) inside; a pole-typed operation axis(20) which is placed at the front side of the grip part to be moved freely in the reception space of the grip part; and a mushroom-shaped head(30) which is placed at one edge of the operation axis through proper injection process and consists of plastics with excellent recovering power.
Patent KR-20030006217-A (KR)
Title: Apparatus for operating cursor in mobile terminal
Inventor: LEE GIL SU
IPC: G06F15/02
Filed: 2001-07-12
Abstract: PURPOSE: A cursor operating device of a mobile terminal is provided to control a movement of a cursor freely and accurately and perform an operation and a function as a mouse of a desktop computer by a minute operation of a user. CONSTITUTION: A pointing stick(250) is mounted between a key panel(240) and a mike transmitting hole(260) mounted on the inner side surface of a main body(300), and controls a movement of a cursor(220) by a small pressure. The first operating key and the second operating key(220) are mounted on the upper ends of the left side surface of the right side surface of the main body(300) and performs functions as a mouse of a desktop computer. A locking key(230) is mounted on one side surface of the main body(300) as a buried key shape and prevent the main body(300) from being operated abnormally caused by a predetermined pressure and impact when the pointing stick(250), the first operating key, and the second operating key(220) are not used.
Patent KR-20030006672-A (KR)
Title: Composition for detecting β-1,3-glucan, preparation method thereof and diagnostic kit detecting β-1,3-glucan
Inventor: EO JUNG HYEOK
IPC: C12Q1/28
Filed: 2001-07-14
Abstract: PURPOSE: Provided are a composition for detecting β-1,3-glucan, a production method thereof, and a kit for detecting β-1,3-glucan using the same composition, thereby diagnosing the infection of a microorganism having a cell wall containing β-1,3-glucan in the early stages. CONSTITUTION: The composition for detecting β-1,3-glucan shows prophenol oxidase activity which is capable of detecting 20 pg/ml or more of β-1,3-glucan. The method for producing the composition for detecting β-1,3-glucan comprises the steps of: collecting a mixture of insect's plasma and hemolyzed blood corpuscle; treating the mixture with a chelating agent containing a solvent or a buffer solution to obtain fractions; and selecting a fraction showing activity of prophenol oxidase or prophenol oxidase activating factors by β-1,3-glucan in the presence of calcium ion, wherein the insect is Tenebrio molitor.
Patent KR-20030011191-A (KR)
Title: Apparatus for fabricating a spiral grating
Inventor: HAM JEONG U
IPC: G02B5/18
Filed: 2001-07-28
Abstract: PURPOSE: An apparatus for fabricating a spiral optical fiber Bragg grating is provided to allow for ease of fabrication and cost reduction, while suppressing a polarization dependence in an optical system. CONSTITUTION: An apparatus for fabricating a spiral optical fiber Bragg grating comprises an optical fiber fixing unit(2) for fixing a predetermined area of an optical fiber to be twisted; an optical fiber twisting unit(6) for twisting the predetermined area of the optical fiber; an optical fiber press unit(4) for pressing the optical fiber in such a manner that a spiral Bragg grating having a predetermined angle with respect to an optical fiber waveguide axis is formed in the predetermined area of the optical fiber; and a main body for accommodating the optical fiber fixing unit, optical fiber twisting unit and the optical fiber press unit. The optical fiber press unit includes a convex-concave plate for forming a spiral bragg grating on the optical fiber and a press member for generating a pressing force.
Patent KR-20030014796-A (KR)
Title: controling method of variable line pressure for an automatic transmission
Inventor: WOO SUN CHEOL
IPC: F16H61/06
Filed: 2001-08-13
Abstract: PURPOSE: A variable control method of line pressure for an automatic transmission is provided to change speed stably by regulating pressure to frictional factors properly with maximizing line pressure before shifting according to shift pattern. CONSTITUTION: The throttle valve opening degree is detected against travel speed, and the present travel state is detected to be the point of time just before shifting. Line pressure variably controlled under the maximum line pressure is returned to the maximum line pressure in detecting the point of time just before shifting. Pressure corresponding to frictional factors is controlled according to shift pattern in outputting a shift signal for starting shifting normally. Shifting is performed stably by regulating pressure properly.
Patent KR-20030015935-A (KR)
Title: Speaker apparatus for mobile phone
Inventor: LEE SANG HAK
IPC: H04B1/38
Filed: 2001-08-18
Abstract: PURPOSE: A speaker device of a portable terminal is provided to couple a large-sized plane-type speaker with a rear side of a battery, in order to implement a loud speaker, thereby enabling fabrication of the loud speaker without increasing terminal size. CONSTITUTION: A folder(103) is coupled on an upper end of a body(101) by a hinge(102). A liquid crystal(104) is fixed into an inner side of the folder(103). A battery(105) is removable from a rear side of the body(101). The body(101) comprises as follows. Upper/lower cases(106,107) are coupled in an inner side of the body(101). A PCB mounts various parts. A pad sheet forms many pads(109a) for inputting various information, being protruded through a hole(106a) formed in the upper case(106).
Patent KR-20030016815-A (KR)
Title: Construction Method using Precast Concrete for Diaphragm Wall
Inventor: HONG HO YONG
IPC: E02D5/20
Filed: 2001-08-22
Abstract: PURPOSE: An underground continuous wall construction method using a PC member is provided to shorten a period of construction and to increase stiffness of an underground continuous wall. CONSTITUTION: The underground continuous wall construction method using a PC member comprises the steps of: forming an excavation hole by selecting an excavation site, then excavating the selected site; interposing an H-beam(3) provided with a reinforcing bar; forming Barrette footing concrete(6) by placing concrete on the reinforcing bars arranged on the lower end; after hardening the Barrette footing concrete(6), putting granule rock(7) into the excavation hole to prevent the transformation of the H-beam(3); pitting in the appointed depth from the ground(10) on the H-beam(3); interposing a pre-manufactured PC member(1) in the projected H-beam(3); after interposing the PC members(1) by stages, injecting cement paste into an injection pipe(12) installed in an insertion part of the PC member(1) and placing footing concrete for an underground structure.
Patent KR-20030016864-A (KR)
Title: an apparatus for dry etching
Inventor: SHIN SANG YUN
IPC: H01L21/3065
Filed: 2001-08-22
Abstract: PURPOSE: A dry etch apparatus is provided to prevent an etching error due to a protective layer of an electrode by injecting a reaction gas from the outside of an electrode. CONSTITUTION: A gas injection hole(112) is formed on an upper face of a chamber(110) in order to receive a reaction gas. A gas exhaust hole(111) is formed on a bottom face of the chamber(110) in order to exhaust an internal gas of the chamber(110). A lower electrode(121) and an upper electrode(131) are formed in the inside of the chamber(110). The upper electrode(131) is connected with the ground. A shield(133) is formed around the upper electrode(131). A plurality of nozzles(132) are formed between the upper electrode(131) and the shield(133). A substrate(122) is loaded on the lower electrode(121). A shield(123) is formed around the lower electrode(121). A nozzle(132) is directed to an upper face of the substrate(122).
Patent KR-20030017822-A (KR)
Title: Method For Analysis Of Battery Management System
Inventor: KOO JAE SEUNG
IPC: H02J7/00
Filed: 2001-08-23
Abstract: PURPOSE: A battery management system diagnosis method is provided to achieve improved reliability and convenience by analyzing overall battery management and state information through a single window screen. CONSTITUTION: A battery management system diagnosis method comprises a first step(S101) of reading, in a real time basis, overall management information of the battery management system, when an electric vehicle battery analysis mode is selected; a second step(S102,S103) of storing the read data into a database and outputting the stored content through a window screen or a printer; a third step(S104) of analyzing battery management information data through the window screen; and a fourth step(S105,S106) of confirming a management control logic from the result of analysis and tuning the result of analysis through addition or modification of a control constant.
Patent KR-20030020001-A (KR)
Inventor: HAN HONG SEOK
IPC: G01R31/00
Filed: 2001-08-28
Abstract: PURPOSE: A portable transformer tester is provided to increase convenience by employing a high-speed microprocessor for processing a signal. CONSTITUTION: A system management module(21) is comprised of a hardware system and a software system. The hardware system comprises an operating switch panel, a power operating circuit, a power supply unit, a CPU(Central Processing Unit), a digital signal input circuit, a digital signal output circuit, a voltage/current detection circuit, an analog signal input circuit, a gain control circuit, and peripheral devices. A digital signal acquisition module(22) comprises a scanning routine and a filter to sample a switch contact signal of the operating switch panel as a code value. An analog signal acquisition module(23) comprises an ADC(Analog-to-Digital Conversion) operating program and a filter to sample and performs a digital conversion on voltage and current signals of the voltage/current detection circuit. A measuring module(24) processes data acquired by the analog signal acquisition module(23). A database(25) stores testing/measuring data in the form of a file. An MMI(Main-Machine Interface)(26) interfaces a portable transformer tester with a user. A digital signal output module(27) generates a digital signal for opening/closing an electronic switch.
Patent KR-20030026129-A (KR)
Inventor: LIM TAE HYUNG
IPC: H04R1/10
Filed: 2001-09-24
Abstract: PURPOSE: A wireless digital headset is provided to overcome a problem such as an inconvenience of a conventional wire earphone incorporated into a conventional music device by employing the headset combined with a digital recorder and a wireless Internet connection function operated by a wireless remote controller. CONSTITUTION: A wireless digital headset includes a central processing unit(CPU)(5) for operating devices by controlling various signals, a digital record and play panel(4) for storing digitalized data, a liquid crystal display(LCD) panel(11) for outputting by visualizing the operational signals of the devices, a microphone(2) for storing the voice message, a speaker(3) for reproducing the stored data and a button control panel(6) for processing a function such as a reproducing, a stop, a record and an Internet connection.
Patent KR-20030028020-A (KR)
Title: Internet phone combined common telephone
Inventor: NA GI YEOL
IPC: H04L12/66
Filed: 2001-09-27
Abstract: PURPOSE: An Internet phone combined with a general phone is provided to perform an international call or a long-distance call easily between a user connected to a general public network and another user connected to an Internet communication network. CONSTITUTION: A central processing unit(140) controls respective units of the Internet phone wholly. A ring sensing unit(130) is connected to telephone lines(T)(R) and the central processing unit(140), senses ring terminated from the telephone lines(T)(R) and provides a sensing signal illustrating ring cadence. A call circuit unit(100) is connected to the telephone lines(T)(R), the central processing unit(140) and a switching unit(150). The call circuit unit(100) modulates a transmission voice signal inputted from a speaker phone(170) and then transmits a modulated signal to the Internet communication network or a PSTN(Public Switched Telephone Network). The call circuit unit(100) also demodulates a voice signal received from the Internet communication network or the PSTN and then provides a demodulated signal to the switching unit(150). The switching unit(150) forms a transmission/reception channel between the call circuit unit(100) and the speaker phone(170) by the central processing unit(140).
Patent KR-20030034445-A (KR)
Title: Tilt adjustment device for optical disc drive
Inventor: HONG SUN GYO
IPC: G11B7/09
Filed: 2001-10-23
Abstract: PURPOSE: A device for adjusting a tilt of an optical disk drive is provided to reduce a tilt error in the case that an optical pickup moves to an inner periphery and an outer periphery of the optical disk, and easily compensate manufacturing and assembly errors of components. CONSTITUTION: A first guide shaft(451) and a second guide shaft(452) are provided on both sides of an optical pickup to guide transfer of the optical pickup. A first adjusting screw(461) adjusts a slope by rotatively moving the other end of the first guide shaft at a predetermined angle with one end of the first guide shaft used as a hinge shaft. A second adjusting screw(462) adjusts a slope by rotatively moving both ends of the second guide shaft at a predetermined angle with a longitudinal middle part of the second guide shaft used as a hinge shaft. By directly adjusting the slopes of the guide shafts, parallel of a recording surface of a disk with the optical pickup is adjusted.
Patent KR-20010106360-A (KR)
Inventor: BAE BYEONG GAP
IPC: E02D3/10
Filed: 2001-10-30
Abstract: A fabric for use in an air bag (12) is provided. The fabric of the invention is produced by mechanically compressing a preliminary fabric constructed substantially of synthetic yarn (24, 26) such that the packed volume per unit area of the compressed fabric is less than the packed volume per unit area of the preliminary fabric. Air permeability is not adversely affected.
Patent KR-20030039049-A (KR)
Title: Disc player having apparatus for prevention from impact of pick-up
Inventor: PARK SEONG MIN
IPC: G11B33/08
Filed: 2001-11-09
Abstract: PURPOSE: A disk player having a device for protecting a pick-up from shock is provided to prevent shock caused by collision of the pick-up transferred along a pick-up guide axis set on a pick-up base and the pick-up base. CONSTITUTION: A disk player includes a pick-up(430) that is transferred along a pick-up guide axis(450) set in a pick-up transfer hole of a deck plate(410). A device(500) for preventing shock caused by collision of the pick-up and the deck plate is formed on the pick-up guide axis. The shock prevention device is a rubber ring that is fixed to each of both ends of the pick-up guide axis.
Patent KR-20020036766-A (KR)
Inventor: FUKUDA TOSHIHIRO
IPC: G09F9/00
Filed: 2001-11-10
Abstract: PURPOSE: To improve the utilization factor of the light by increasing the effective aperture ratio without enlarging the construction size or bringing about difficulty in the manufacturing. CONSTITUTION: A micro lens 42M with two lens surfaces R1, R2 is arranged on the opening of each pixel. The focal point of the second lens surface R2 is made approximately to coincide with the principal point with respect to the first lens surface R1, and at the same time, the focal point of the micro lens on the whole is made approximately to coincide with the position of the pixel opening 46A. Thereby as regards light made incident, for example having a diverging angle component β with respect to the optical axis, the diverging angle component β is eliminated when the light is emitted from the micro lens 42M.
Patent KR-20030039543-A (KR)
Inventor: EOM YEONG JAE
IPC: B21C47/12
Filed: 2001-11-13
Abstract: PURPOSE: A scrap guide apparatus of scrap coiler is provided to guide the scrap so that scrap of the scrap coiler is not coiled on one side of tapered reel only, but the scrap is evenly coiled on both sides of the tapered reel. CONSTITUTION: In a scrap coiler in which a motor is installed at one side of stand, shaft of the motor is connected to tapered reel, and press roll is installed in the upper part of the tapered reel, the scrap guide apparatus of the scrap coiler comprises a scrap press means in which the press roll is trisected, trisected shafts are installed in the center of trisected press rolls(211,212,213) so that each of the press rolls(211,212,213) is rotated, and joint links are reciprocally connected to reciprocally oppositely directed ends of the trisected shafts; a scrap bias sensing means(300) interlockingly installed according to vertical movement of the press rolls with the scrap bias sensing means(300) being contacted with upper and lower parts of the press rolls of both sides among the trisected press rolls(211,212,213); a power transmission means(400) connected to the scrap bias sensing means(300) to transmit power according to operation of the scrap bias sensing means(300); and a scrap guide means(500) connected to the power transmission means(400) to be moved according to operation of the scrap bias sensing means(300) and guide the scrap to the tapered reel.