baber/WOPTO huggingface dataset:
Patent KR-20010011709-A (KR)
Inventor: KOO BON CHEOL
IPC: G09G3/293
Filed: 1999-07-30
Abstract: PURPOSE: A method for driving address electrode of a PDP is provided to generate data pulses according to input video data for an address period to consistently sustain a data pulse voltage and generate the next data pulse, thereby saving a power consumption by removing the status transient of address electrodes. CONSTITUTION: The method for driving address electrode of a PDP comprises scanning corresponding cells while applying the high voltage for data synchronized to an erase scan pulse of scan electrodes(Y1-Ym) in accordance with input video data to address electrodes(X1-Xn). The high voltage for data is consistently applied to the address electrodes(X1-Xn) to execute the cell scan operation even in a section in which the high voltage is not applied to the address electrodes(X1-Xn) for the address period of respective line.
Patent KR-20010018521-A (KR)
Title: Device for removing metal powder from engine oil
Inventor: SONG JAE DO
IPC: F01M11/03
Filed: 1999-08-16
Abstract: PURPOSE: A metal powder removing device from engine oil is provided to reduce air pollution, to broaden the lifetime of an engine and to efficiently use oil by removing metal powder from the engine oil without oil replacement. CONSTITUTION: A magnet(3) is inserted into an upper oil bolt(1) and a copper washer(9) is inserted into a lower oil bolt(2). The upper oil bolt is in a cylinder shape to hold the lower oil bolt inside, then two bolts are combined each other with a small connecting nail(4) and a pin(5). The magnet covers the nail and the pin by moving downward a little bit. To remove metal powder, the lower oil bolt is released from the upper oil bolt and the magnet moves upward a little bit to disassemble and remove the pin. Then, the magnet is separated from the upper oil bolt to remove metal powder. Thus, a removing device removes metal powder without replacing engine oil and efficiently uses engine oil without air pollution.
Patent KR-20010007640-A (KR)
Inventor: SHIN CHUN WOO
IPC: H01P1/383
Filed: 1999-08-20
Abstract: PURPOSE: A wireless relay using non-radiation dielectric line is provided to effectively remove a modulation, a demodulation, a receiving and transmitting operation in the wireless relay by using a reflect type amplifier using a gunn diode. CONSTITUTION: A wireless relay using non-radiation dielectric line includes a reflect type negative resistance amplifier using a negative resistance property of a gunn diode, and a received radio signal through an input terminal of a dielectric line is transferred to the gunn diode after rotating in a circulator, a radio signal reflected from the gunn diode is outputted from an output terminal of the dielectric line after rotating in the circulator. The gunn diode is connected to dielectric line by a strip resonance unit, an available resonance frequency is determined by a metal part length of the strip resonance unit. Also, the dielectric line is determined in response to the available frequency, and a size of the diode mount is implemented by a multi-layer structure. Thus, the present invention is capable of reducing a power consumption by simple circuit structure, and applying to a directional relay for a mili-wave LAN.
Patent KR-20010028789-A (KR)
Inventor: HUH GYEONG JIN
IPC: G06Q99/00
Filed: 1999-09-22
Abstract: PURPOSE: The apparatus and method for prebilling communication charge using the internet is provided to reduce time for paying the communication charge by offering a prebilling system integrating all sorts of services manufactured by an internet entrepreneur. CONSTITUTION: Communication charge of users using a plurality of sites prepared by internet entrepreneurs is prepaid to communication entrepreneurs by the internet entrepreneurs. The first transmitting/receiving unit(710) inputs the communication charge prebilling data from the internet entrepreneurs. The first data storing unit(715) stores data inputted from the first transmitting/receiving unit(710). The first data processor(720) reads data stored in the first data storing unit(715) and classifies the data by internet entrepreneurs and makes the first database(722). A calculating/controlling unit(730) merges data stored in the first database(722) and makes an integrating database(732). The second data processor(740) classifies the integrating database(732) by the communication entrepreneurs. The second transmitting/receiving unit(750) receives data classified by the second data processor(740) and transmits the data to the communication entrepreneurs.
Patent KR-20010036592-A (KR)
Inventor: LEE CHAN BONG
IPC: B24D11/00
Filed: 1999-10-09
Abstract: PURPOSE: A grinding pad having various surface groove patterns reduces a micro scratch and improves a grinding speed, a uniformity in a wafer and a recovering character between wafers on the grinding of the surfaces of the wafers. CONSTITUTION: Meandering curve grooves(1) having constant gaps with each other are formed parallel to X-Y axis lines on the surface of the grinding pad(A). The types of the groove patterns become more varied, thereby inducing the smooth transporting and exhausting of a slurry solution and residues of grinding on the using of the grinding slurry according to the differences of the centrifugal forces at respective portions. Further, the generation of micro scratch is minimized by evenly exhausting the slurry solution and the residues of grinding on a pad when the grinding pad rotates.
Patent KR-20010036916-A (KR)
Inventor: KIM YOUNG HO
IPC: A41D19/00
Filed: 1999-10-12
Abstract: PURPOSE: A rubber glove for promoting sales and a method for manufacturing the same are provided which does not cause much of manufacturing cost in case of manufacturing rubber gloves without replacement of overall molding by substituting a flat surfaced supplementary mold on which any patterns are not formed for a supplementary mold on which specific patterns or inherent logos are formed in case of manufacturing general rubber gloves during manufacturing of rubber gloves for promoting sales. CONSTITUTION: The method for manufacturing the rubber glove comprises the steps of forming an inserting hole for a supplementary mold (11) at one part of a mold body (1), manufacturing a mold by inserting a supplementary mold (2) on which a draft of an advertisement (3) such as inherent logos or specific patterns is formed into the inserting hole for a supplementary mold (11) of the mold body (1), and forming the draft of an advertisement (3) on one part of the rubber glove by dipping the molding completed rubber glove in an ordinary method.
Patent KR-20000029063-A (KR)
Title: Liquid crystal display device
Inventor: NAKAMURA TAKASHI
IPC: G02F1/133
Filed: 1999-10-14
Abstract: PURPOSE: A liquid crystal display device is provided to achieve a half- transmission type color liquid crystal device having a reflective film reflecting a back light source and an external light. CONSTITUTION: A front substrate(13) and a back substrate(14) are arranged to be opposite from each other, each having a liquid crystal driving electrode installed in an inside thereof. A liquid crystal layer(15) supported by being put between the front substrate and the back substrate, modulates a phase of an incident ray according to an applied voltage. A polarizing plate(11) has sequentially mounted a phase difference plate(12) and a polarizing shaft in an outside of one substrate of the front and the back substrates. A half-transmission, half-reflective layer is formed on the other substrate. A color filter layer(50) is arranged in the front substrate other than the half-transmission, half-reflective layer. A back light source(21) is arranged in a back of the other substrate. A cholesteric liquid crystal layer(60) selectively reflects a wavelength light between peak wavelengths having spectral transmittance quality of the color filter layer(50).
Patent KR-20010038191-A (KR)
Inventor: NOH JIN TAE
IPC: G11B7/26
Filed: 1999-10-22
Abstract: PURPOSE: A method for generalizing an optical recording medium and an apparatus and a method for recording optimally are provided to perform optimal recording by generalizing an optimal recording condition as a medium characteristic factor. CONSTITUTION: A material sequence discriminating unit(200) discriminates a sequence of a material by a read-in starting time. A medium characteristic factor detecting unit(210) performs a recording test and detects a medium characteristic factor. A saving unit(220) saves an optimal recording beam profile classified by a reflection level of each recording medium.
Patent KR-20010046094-A (KR)
Title: Method for driving plasma display panel
Inventor: KANG GYEONG HO
IPC: G09G3/291
Filed: 1999-11-10
Abstract: PURPOSE: A method for driving a plasma display panel(PDP) is provided to improve an image quality by increasing the amount of space charges formed in all pixels. CONSTITUTION: Driving signals(Sy1-Sy8) are applied to a corresponding Y electrode line of each sub-field respectively. And, driving signals(Sx1..4,Sx5..8) are applied to an X electrode line corresponding to the scanned Y electrode lines, and GND is ground voltage. Display data signals(Sa1..m) have a pattern established in advance for a discharge of all pixels. Display data pulses(4) are generated only in a scan time(ta4,ta80 of sub-fields which are scanned at last time among 8 sub-fields. Because display discharge occurs in all pixels in the fourth and the eighth sub-field, the image quality can be increased by increasing the amount of space charges formed in all the pixels.
Patent KR-20000006938-A (KR)
Inventor: KIM TAE HAN
IPC: E04B1/30
Filed: 1999-11-13
Abstract: PURPOSE: A high quality of a frame structure constructing method is provided to save the cost by a short period of construction and to improve resistance against earthquake and durability. CONSTITUTION: The constructing method is conducted that a square or a round concrete drop is formed on a steel board and put the truss of a lower steel board and that concrete is poured to the concrete drop by manufacturing and welding with an upper steel board at the factory or the field. The structure in which constructing period is short, stands earthquake generating vertically and horizontally and the concrete is poured without installing the mold of the steel reinforcing and concrete.
Patent KR-20000047966-A (KR)
Inventor: LILIGARAD
IPC: G09G3/296
Filed: 1999-12-07
Abstract: PURPOSE: A method of driving a plasma display is provided to reduce an operating time and improve a quality of displaying in image by including a priming mode and an erasing mode in a ready mode in way of operating the displayer. CONSTITUTION: Each cell is operated for different period for one cell to display a different brightness. An area described(B0,B1,B2) is one period when the cell is on, and before the period(B0,B1,B2) known selecting address is operated so that next time the plasma cell is operated. Display operation depends on assembling a result area such as(1T,2T,4T), gained from a different gray stage in a digital system. For example, in lines (1-8) an area(B0,B1,B2) is arranged to on/off on time, and the operation starts before the area(B0) on line(1) in time(0), and the operation starts before the area(B1) on line(8) in time(1), and the operation starts before the area(B2) on line(6) in time(2).
Patent KR-20010055503-A (KR)
Inventor: SIM GYU YUN
IPC: H01M4/583
Filed: 1999-12-10
Abstract: PURPOSE: Disclosed are an anode active material for lithium secondary battery and a preparation process thereof to have excellent high-rate and life character in high pole plate density by improving conductivity of neighboring active material, to form minute passage between active material by forming carbon vapor deposition fiber or carbon nanotube on the surface layer. CONSTITUTION: This anode active material for lithium secondary battery is prepared by forming crystalline structure or amorphous carbon(1) doping or dispersed with catalyst element or compound thereof on the surface by mixing crystalline structure or amorphous carbon, catalyst element or compound thereof; carbonizing crystalline structure or amorphous carbon(1) doping or dispersed with the catalyst element or compound thereof; forming carbon vapor deposition fiber or carbon nanotube(3) on the crystalline structure or amorphous carbon(1) surface carbonized by vapor phase depositing the carbonized crystalline structure or amorphous carbon(1) at 300 to 1500deg.C temperature under existing of gas containing carbon.
Patent KR-20010057402-A (KR)
Inventor: LEE SU BONG
IPC: H04L12/26
Filed: 1999-12-22
Abstract: PURPOSE: A subscriber modem line test apparatus is provided to measure a line state before a subscriber modem of an ADSL is installed, check a subscriber line state and judge the installation of a modem. CONSTITUTION: A pattern generator(10) is installed in a telephone station system(DSLAM) and generates a test pattern. The pattern generator(10) periodically generates certain test data, and different ATM cells are repeatedly generated. An ADSL function block unit(20) receives ADSL pattern data generated by the pattern generator based on a link with the telephone station system(DSLAM) through a telephone line and receives information, upstream rate, downstream rate and noise margin. An ATM function block(30) analyses the received ATM cell and checks whether the ATM cell having a constant pattern is inputted. A line state judging unit(40) judges the current state of the line based on the signals of the ADSL function block(20) and the ATM function block(30), and an external interface(50) is connected with an external display unit for informing a result of the judgement by the line state judging unit(40) to a user.
Patent KR-20010063698-A (KR)
Inventor: HWANG SUN YEONG
IPC: C23C4/06
Filed: 1999-12-24
Abstract: PURPOSE: Method for roll-coating to coat a high concentration zircon powder on the surface of a pot roll or a hearth roll with an addition of 0.2-0.5% of Fe or Mn. CONSTITUTION: A bonding agent is applied on the surface of a heat-resistant steel and employs a zircon powder including Fe or Mn in the amount of 0.25-0.5% to plasma spray to the steel and heat- treats it at 1150-1200 deg.C for 1-1.5 hours. The addition of 0.25-0.5% F2 or Mn is to help synthesize ZrSiO4 against decomposition. Excessive heating lowers the strength of the steel plate and the lower heating brings the low effect of heat treatment to affect the responsibility of zircon.
Patent KR-20000057118-A (KR)
Inventor: SATO DAKESHI
IPC: H04M3/51
Filed: 1999-12-30
Abstract: PURPOSE: A method for controlling packet transmissions is provided to transmit packets regardless of user numbers restricted by spread codes, by adopting a first channel of many channels for a first user of many users, and by using the first channel to transmit packets for new users. CONSTITUTION: A method for controlling packet transmissions comprises the steps of: responding to a packet receiving request, and adopting a first channel of many channels for a first user of many users; and transmitting packets for new users by using the first channel. The steps of adopting the first channel comprises the steps of: responding to packet receiving requests from the new user, and suspending a receiving operation by a first existing user; and responding to the packet receiving requests from the new users, and allocating spread codes to the new users. The step of transmitting the packets comprises a step of transmitting the packets to the new users, by using the allocated spread codes.
Patent KR-20010058793-A (KR)
Inventor: CHOI MIN SU
IPC: H01L21/24
Filed: 1999-12-30
Abstract: PURPOSE: A method of manufacturing a flat ROM is to remove a step difference formed on a buried layer and a gate oxide film, thereby preventing an electrical connection between the gate electrodes. CONSTITUTION: A field oxide film(2) is formed on a substrate(1). By implanting an ion impurity, a well(3) is formed on the portion of the substrate which the field oxide film is not formed. In an exposed buffer oxide film, a buried layer(6) is formed on a lower portion of the well . By removing the photoresist pattern and the buffer oxide film, both an oxide film(7) and a gate oxide film(8) are formed. The oxide film positioned on the buried layer is removed by doping the resultant structure. A portion of the exposed oxide film is etched. To position the gate oxide film parallel to an upper surface of the oxide film, a step difference is removed by etching. By evaporating both a silicide and a polysilicon, a gate electrode(9) and a silicide(10) are formed on the resultant structure.
Patent KR-20010059850-A (KR)
Inventor: EUN YONG SEOK
IPC: H01L21/76
Filed: 1999-12-30
Abstract: PURPOSE: A method for manufacturing an isolation layer of a semiconductor device is provided to increase yield of a shallow trench isolation(STI) process, by performing an oxidation process at a low temperature before a high temperature annealing process to prevent oxygen and boron contained in a substrate from being extracted to the surface of a wafer. CONSTITUTION: A pad oxide layer(102) and a nitride layer(104) are sequentially stacked on a semiconductor substrate(100). An etch process using a photoresist layer for an isolation mask is performed to form a trench(110) from the nitride layer to a predetermined depth of the semiconductor substrate. After the photoresist layer is removed, an oxidation is performed at a low temperature regarding the substrate having the trench to form an oxide thin film. An annealing process is performed at a high temperature regarding the substrate having the oxide thin film. A gap-fill oxide layer is filled inside the trench of the substrate having the oxide thin film. The resultant structure is planarized, and the nitride layer is eliminated to form an isolation layer in the substrate.
Patent KR-20010066708-A (KR)
Inventor: BAEK SEUNG HWA
IPC: G01R11/00
Filed: 1999-12-31
Abstract: PURPOSE: An apparatus and a method for compensating errors in an amplification stage of an intermediate frequency filter are provided which compensates errors generated due to characteristics of components or constructive characteristics at the amplification stage of the intermediate frequency filter of a spectrum analyzer, to allow the filter to operate with reliability and stability. CONSTITUTION: An apparatus for compensating errors in an amplification stage of an intermediate frequency filter includes a controller(10) for controlling the entire apparatus and calculating an error compensating value, and an intermediate frequency filter(60) for analyzing the frequency of an input signal and amplifying a signal sent from a receiver(70). The apparatus further has a spectrum analyzer(20) for storing the error compensating value, and a signal generator(30) for generating a signal with a predetermined frequency to send the signal to the intermediate frequency filter.
Patent KR-20000029950-A (KR)
Title: Apparatus and methods for the harmonic enhancement of electronic audio signals
Inventor: GARCIA ARTURO J
IPC: H04S1/00
Filed: 1997-08-12
Abstract: PURPOSE: A method and apparatus for simply and inexpensively enhancing an electronic audio signal is provided to more closely approach the original sound heard live in an acoustically designed environment by restoring the perception of harmonics that are normally missing in an electronic audio signal. CONSTITUTION: An apparatus comprises a circuit(8) capable of distorting an input audio signal transmitted there through by non-linearly amplifying and enhancing harmonics or frequencies in the input audio signal. The circuit(8) is separated into an input stage including a coupling capacitor(12), a primary shaping stage including a capacitor(16) and a resistor(15) for forming a high frequency enhancement network that causes a non-linear accentuation of a band of high frequencies in the input signal and an output stage including an output(31) and an output amplifier(32) which increases the voltage gain and buffers the summed signal from node(26).
Patent KR-20010005598-A (KR)
Title: 윤곽강조회로
IPC: H04N9/64
Filed: 1997-03-25
Abstract: 아날로그의 R , G , B 신호를 디지털신호로 변환하여 출력하는 A / D 변환회로 (30 r) , (30 g) , (30 b) 와 이 디지털 R , G , B 신호에서 Ｙ 신호를 생성하는 Ｙ 신호생성회로 (36) 와 생성된 Ｙ 신호에서 윤곽성분을 추출하는 윤곽추출회로 (38) 와 이 윤곽성분을 A / D 변환회로 (30 r) , (30 g) , (30 b) 에서 출력된 R , G , B 신호에 가산하여 윤곽 강조된 신호 (R + Y e r) ,  (G + Y e g) , (B + T e b) 를 출력하는 윤곽가산회로 (34 r) , (34 g) , (34 b) 를 구비하고, A / D 변환회로 (30 r) , (30 g) , (30 b) 에 서 아날로그의 R , G , B 신호를 디지털신호로 변환한 후에 윤곽성분을 가산하여 출력하도록 한 것이기 때문에 아날로그의 R, G, B신호에 윤곽성분을 가산한 후에 A / D 변환하고 있던 종래의 예처럼 윤곽강조성분이 A / D 변환회로의 다이내믹 레인지 (dynamic range) 를 오버하는 일이 없다. 이 때문에 본 발명의 윤곽강조회로에 입력하는 아날로그의 R , G , B 신호가 대진폭신호의 경우나 윤곽강조량이 「대」인 경우에도 본 발명의 윤곽강조회로에서 출력된 신호를 디지털의 영상신호로 구동하는 표시장치에 출력하여 영상을 표시했을 때 밝은 색상 압축 (White Compression) 이나 어두운 색상 압축 (Black Compression) 이 발생하지 않는다.
Patent KR-20010013439-A (KR)
Inventor: CAILLE GERARD
IPC: H01Q5/45
Filed: 1999-04-06
Abstract: The invention concerns a multilayer focusing spherical lens (21) capable of being mounted on a transmitting/receiving antenna device of a remote transmitter/receiver system terminal, and having a concentric focal sphere (S). The invention is characterised in that it comprises two layers, central (21a) and peripheral (21b) respectively, with different dielectric constant, each dielectric constant value being determined such that the lens (21) focuses the parallel microwave beams towards the focal sphere (S) concentric to the lens. The invention also concerns a transmitting/receiving antenna comprising such a lens, and a terminal transmitting/receiving radio signals to and from at least two remote transmitter/receiver systems operating in different points of the visible space with respect to said terminal, said terminal comprising such an antenna. The invention is particularly applicable to high rate data transmission units from and to a satellite constellation, for public, private, civil or military purposes.
Patent KR-20010020547-A (KR)
Title: 브레이스 탭을 구비하는 물품 운반기
IPC: B65D71/46
Filed: 1998-07-02
Abstract: 본 발명은 병과 같은 다수의 용기를 수용하는 상부 그립핑식의 판지상자를 형성하기 위한 판지상자 및 판지상자 블랭크(10)에 관한 것으로, 상기 판지상자는 다수의 구멍(34, 64)을 구비한 제 1 패널(16)을 포함하는 관형의 구조체이며, 상기 각각의 구멍은 구멍안에서 존재하는 용기(B)의 방사적으로 돌출되는 부분(P1, P2)의 아래면과 작용되게 맞물리는 적어도 하나의 접혀질 수 있는 유지탭(30, 32)을 구비하고, 여기서 브레이스 탭(54)은 상기 유지탭의 하나와 연결되어지고 한 쌍의 인접한 용기사이에서 상대적인 이동이 최소가 되도록 한쌍의 인접한 용기사이에서 배치되어지고, 상기 브레이스 탭의 자유 말단 가장자리는 상기 인접하는 용기의 방사적으로 돌출된 부분의 아래면과 작용되게 맞물리는 것을 특징으로 한다.
Patent KR-20010069096-A (KR)
Title: Dry film with novel structure
Inventor: CHOI JUN HYEOK
IPC: G03F7/004
Filed: 2000-01-12
Abstract: PURPOSE: A dry film having a new structure is provided which lowers a glass transition temperature of a binder polymer component of a dry photoresist and thus could have adhesibility similar and following property with a metal surface similar to that of a liquid photoresist. CONSTITUTION: The dry film having a new structure consists of: (i) a base film layer(3); (ii) a photoresist layer(2); and (iii) a protective film layer(1), wherein both ends of the base film layer are 0.01-50 millimeter longer than both ends of the photoresist layer.