baber/WOPTO huggingface dataset:
Patent KR-20010114259-A (KR)
Title: 프로젝션 스크린
IPC: G02B21/02
Filed: 2001-03-05
Abstract: 프로젝트된 광과 주변 광 사이의 개선된 콘트라스트를 제공하는 프로젝션 스크린으로서, 상기 프로젝션 스크린은 광흡수층(light-absorbing layer)과 상기 광흡수층 전면에 배치되는 활성층(active layer)을 포함한다. 상기 활성층은 제 1 편광 방향을 가진 광에는 투명하며 제 2 편광 방향을 가진 광은 산란한다. 반사편광층(reflecting polarizing layer)이 상기 광흡수층 및 상기 활성층 사이에 제공될 수 있다.
Patent KR-20020005752-A (KR)
IPC: C08J7/056
Filed: 2000-05-12
Abstract: 본 발명은 실리콘 하이드로겔 콘택트 렌즈의 표면 처리에 관한 것이다. 특히, 본 발명은 렌즈의 친수성을 증강시키기 위해, 렌즈를 C 4 -C 8 디올레핀 화합물로 제조된 탄소 함유층으로 코팅하여 콘택트 렌즈면을 개질시키는 방법에 관한 것이다. 한 구체예에서, 렌즈면을 플라즈마 산화 반응으로 처리한 후, 공기의 부재하에 디올레핀의 존재하에 플라즈마 중합 반응으로 처리하는 순차 처리에 의해 실리콘 하이드로겔 렌즈의 표면에 광학적으로 투명한 친수성 코팅을 제공하는 것이다. 마지막으로, 생성된 탄소층은 추가의 플라즈마 산화 반응에 의해 또는 친수성 중합체쇄의 부착에 의해 친수성을 갖도록 한다.
Patent KR-20020026175-A (KR)
IPC: H04N19/64
Filed: 2001-03-26
Abstract: 본 발명은 웨이브릿 변환의 분해 레벨들에 대응하는 소정 수의 연속적 분해능 레벨들을 도출해내는 상기 웨이브릿 변환에 의해서 분해된 프레임들이나 프레임들의 그룹들로 분할되는 비디오 시퀀스의 압축을 위한 인코딩 방법에 관한 것이다.  상기 방법은 "SPIHT(set partitioning in hierarchical trees)"(계층적 트리에서의 세트 분할)라 칭하여지는 것으로서 비디오 시퀀스의 화상 요소들의 원래의 세트로부터 이진 포맷으로 인코드된 웨이브릿 변환 계수들을 도출해내는 계층적 서브밴드 인코딩 처리에 기초하고 있다.  상기 계수들은 트리들로 구성되어 있고 유효도의 각 레벨들에 대응하는 분할 세트들로 순서가 정해지며, 상기 세트들은 LIS(list of insignificant sets), LIP(list of insignificant pixels) 및 LSP(list of significant pixels)라 불리는 순서가 정해진 3개의 리스트들에서 유효도 정보를 분류하게 하는 크기 테스트들에 의해 규정된다.  본 발명에 따라, LIS의 특정 초기화 순서가 제안되어 있다.  또한, 웨이브릿 분해의 계층적 피라미드에서의 관계를 규정하는 배향 트리들이 인접 화소들을 함께 유지시키고 디테일들의 배향을 고려하면서 최저 분해능 레벨로부터 최고 분해능 레벨까지 탐색된다.
Patent KR-20030061952-A (KR)
Title: Method of depositing tantalum oxide layer
Inventor: KIM MYEONG GYU
IPC: H01L21/205
Filed: 2002-01-14
Abstract: PURPOSE: A method for depositing a tantalum oxide layer is provided to reduce carbon and hydrogen impurities generated in an interface between the tantalum oxide layer and a structure under the tantalum oxide layer and form a tantalum oxide layer having good step coverage. CONSTITUTION: A semiconductor substrate is positioned in a chemical vapor deposition reactor. The substrate is heated to a process temperature. Polyethylene terephthalate(PET) as tantalum source gas is inserted into the reactor while a base vacuum is maintained without controlling a pressure. Argon gas is inserted into the reactor to purge the inside of the reactor. Oxygen as reaction gas is inserted into the reactor. Argon gas is inserted into the reactor to purge the inside of the reactor. The process that the argon gas and the oxygen gas are inserted into the reactor is repeated two or three times. The inside of the reactor is decompressed to be a process pressure. PET as tantalum source gas and oxygen as reaction gas are simultaneously inserted into the reactor.
Patent KR-20030062023-A (KR)
Title: Compound of additive for liquid fuel
Inventor: HONG SOON HEE
IPC: C10L10/04
Filed: 2002-01-15
Abstract: PURPOSE: Provided is an additive composition for fuel which increases activity of liquefied fuel to raise combustion efficiency, with reducing generation of a pollution material remarkably so that it is widely used for all liquefied fuel. CONSTITUTION: The additive composition for fuel is produced by the steps of: (i) adding 30-50wt% of oil solvent to a vessel; (ii) with stirring continuously at low speed, mixing 2-5wt% of dispersion auxiliary agent and 1-5wt% of sinking preventer and keeping uniform state within the vessel; (iii) slowly adding 20-50wt% of silica mineral to the vessel and continuing to stir for 30 minutes, in which 1-2wt% of oil solvent is added when the stirring state is not satisfied; and (iv) after stirring, adjusting to 20-60% of solid component with less than 3micron in granularity and less than 1000pcs in viscosity, filtering and then packing.
Patent KR-20030064195-A (KR)
Title: yacon containing rice manufacturing method.
Inventor: KIM DO YOUNG
IPC: A23L7/196
Filed: 2002-01-24
Abstract: PURPOSE: Provided is a manufacturing method of yacon-containing rice by dissolving a yacon extract or powder thereof in water. Therefore, the manufactured rice contains the components of yacon beneficial to the human body. CONSTITUTION: A manufacturing method of yacon-containing rice is characterized by the steps of: preparing a yacon solution by dissolving a yacon extract or powder in water; coating or impregnating rice with the yacon solution; and drying the rice.
Patent KR-20030066170-A (KR)
Title: A method of producing nano-ITO powders by MOD processing
Inventor: WON CHANG WHAN
IPC: B82B3/00
Filed: 2002-02-05
Abstract: PURPOSE: A preparation method of nano-sized indium tin oxide(ITO) powder by metal-organic decomposition(MOD) is provided. The resultant ITO powder has a smaller particle size and higher purity, good reproducibility, lower cost due to simple process and equipment than ITO powder prepared by conventional method(sol-gel, coprecipitation, etc). CONSTITUTION: The ITO powder is prepared by the following steps of: (S1) dissolving indium acetate and C16H36Sn into 2-ethylhexanoic acid to be a In/Sn molar ratio of 1.86 : 0.14; (S2) heating the mixture at 200deg.C to volatilize a reaction product, acetic acid, and stirring to get a transparent yellow ITO sol; (S3) aging the formed yellow sol over 5hrs to get a concentrated ITO sol; (S4) drying the ITO sol at 200deg.C; (S5) thermal treating at 300-700deg.C. The resultant ITO powder obtained without washing unlike conventional method, is spherical and has 40-60nm size and high purity.
Patent KR-20030068291-A (KR)
Inventor: SONG HUI SU
IPC: H01L21/02
Filed: 2002-02-14
Abstract: PURPOSE: A cooling machine for an in-line sputtering system is provided to be capable of considerably increasing the cooling efficiency of a substrate and uniformly cooling the substrate by using a plate type cooling jacket installed in the first and second chamber body. CONSTITUTION: A cooling machine is provided with the first chamber body(10) having a cooling chamber(12), the second chamber body(20) capable of switching the cooling chamber of the first chamber body, a transfer part(30) for moving the second chamber body to and fro, a cooling jacket(40) installed in the first and second chamber body for cooling the cooling chamber, a gate plate having a port connected through the cooling chamber, installed at both sidewalls of the first chamber body, a switching part capable of switching the port of the gate plate, and a vacuum pump(100) for conserving vacuum state in the cooling chamber.
Patent KR-20030072771-A (KR)
Title: Disk, disk drive
Inventor: PARK GEON SUN
IPC: G11B17/02
Filed: 2002-03-06
Abstract: PURPOSE: A disc and a disc drive are provided to realize the slim structure of the disc drive and the stabilized clamping by inserting the disc to a rotor instead of securing the disc on the rotor to reduce the thickness of the disc drive corresponding to the disc and increasing the entire area of the disc for increasing the recording area. CONSTITUTION: A disc drive includes a spindle motor having a stator(100) and a rotor(200), and a turn table(210) formed in the orthogonal direction of a rotation shaft(201) of the rotor. The turn table is in the plate structure protruded at the outer peripheral part of the rotor with a predetermined stepped difference corresponding to a thickness of a disc(300) from a top surface of the rotor. The disc is formed with a through hole having a diameter corresponding to a diameter of the outer peripheral part of the rotor.
Patent KR-20020072247-A (KR)
Title: Magnetic transducer with integrated charge bleed resistor
Inventor: KUPINSKI PAUL E
IPC: G11B5/48
Filed: 2002-03-09
Abstract: PURPOSE: A magnetic transducer having an integrated charge bleed resistor is provided to prevent electrostatic discharge damage against a sensor by reducing the electric charge on the magnetoresistive sensor element of a magnetoresistive head assembly. CONSTITUTION: A magnetoresistive transducer(50) includes a substrate(30); an insulating layer(64); a magnetoresistive assembly having a magnetoresistive element(52) on the insulating layer; and a bleed resistor formed between the magnetoresistive assembly and the substrate. The bleed resistor couples the magnetoresistive assembly to the substrate. The bleed resistor has a relative large electrical resistance and provides a discharge path for accumulated charge. The arrangement effectively prevents electrostatic discharge damage to the sensor.
Patent KR-20030074890-A (KR)
Title: bonding device for liquid crystal display
Inventor: LEE SANG SEOK
IPC: G02F1/13
Filed: 2002-03-14
Abstract: PURPOSE: A vacuum joining device for a liquid crystal display device is provided to smoothly change the inside of a vacuum chamber into the vacuum state without any damage on the liquid crystal by using vacuum pumps which generate air suction forces with different pressures. CONSTITUTION: A vacuum joining device for a liquid crystal display device includes a vacuum chamber(110), a stage part, a stage moving unit, and a vacuum unit. The vacuum chamber is formed of a single body for carrying out the joining of substrates inside by pressing and the difference of pressure under the vacuum state or an atmospheric air pressure. The vacuum chamber is formed with an outlet(111) for the insertion or discharge of the substrates. One or more air discharge tubes(112-114) are connected to a side of the peripheral surface of the vacuum chamber with opening and closing values(112a-114a) for discharging air out of the vacuum chamber. The vacuum unit includes dry pumps(220) and a turbo molecular pumps(210) for generating air suction force with a pressure than the dry pumps. Each of the pumps are connected to the air discharge tubes for making the inside of the vacuum chamber vacuum.
Patent KR-20030021115-A (KR)
Title: Wiring designing method
Inventor: ANAZAWA TETSUYA
IPC: G06F17/50
Filed: 2002-04-02
Abstract: PURPOSE: To provide a structure of wiring and a method for design of wiring capable of having a high degree of flexibility in design of wiring, having a share of wiring per unit area at crossing parts of two grid wiring less than the maximum share of the wiring and satisfying a necessary amount of current. CONSTITUTION: In the structure, grid wiring A and B cross virtually each other, widths of material wires 11 and 12 of the wiring A and B are set less than the maximum wire width determined under constraints of producing process. In comparison lengths of the material wires 11 with those of the material wires 12 at the crossing parts of the material wires 11 and 12, longer material wires are defined as material wires 11a to be changed their positions, but only portions of the crossing parts of the material wires 11 and 12 are changed in their positions. After that, the material wires 11a are moved up to positions having a share of wiring less than the maximum share of the wiring determined under the constraints of the producing process in the direction that the material wires 11a get away from a crossing point of center lines X and Y of the wiring A and B as a reference position.
Patent KR-20020079432-A (KR)
Inventor: CHO U SEOK
IPC: C01G23/00
Filed: 2002-04-03
Abstract: PURPOSE: Provided is a simple method for preparing ultrafine oxide powders with narrow particle size distribution and high purity in a high yield by hydrothermal reaction. CONSTITUTION: The preparation method is characterized by hydrothermal reacting the following materials at 40-300deg.C: (i) at least one material selected from the group consisting of chlorides, nitrates, acetates, hydroxides and hydrates thereof of the element selected from Ca, Sr, Ba, Mg, La and Pb; (ii) at least one material selected from the group consisting of alkoxides, oxides, halides, nitrates, sulfates and hydrolysates thereof of the element selected from Ti, Zr, Hf and Ce; (iii) metal complexing agent such as ethylene diamine tetra acetic acid(ETDA), nitro triacetic acid(NTA), trans-1,2-diamino cyclohexane tetra acetic acid(DCTA), etc.. The material of (i) is mixed with the material of (ii) in a molar ratio of 1 to 0.1-10. The particle size of the resultant oxide powders is in a range of 20nanoneter-1micrometer.
Patent KR-20030081960-A (KR)
Inventor: KIM TAE WAN
IPC: G06F1/16
Filed: 2002-04-15
Abstract: PURPOSE: A portable computer is provided to make it easy additionally attaching hardware modules to a slim shaped main body. CONSTITUTION: The system comprises a main body, an LCD panel(5), an upper plate(7) of a housing, a bottom plate(6) of a housing, a keyboard(10), a touch pad(9), a motherboard(11), and a PCMCIA(Personal Computer Memory Card International Association) card(13). The LCD panel(5) receives electricity and signals from the main body. The upper plate(7) and the bottom plate(6) of the housing form the external shape of the main body, The keyboard(10) and the touch pad(9) are installed on the upper plate(7), and various electronic parts and the motherboard(11) are installed within the bottom plate(6). A hard disk driver and a floppy diskette driver are installed on the motherboard(11), and the PCMCIA card(13) is installed at one side of the motherboard(11).
Patent KR-20030082636-A (KR)
Inventor: KIM SEON U
IPC: D06F39/12
Filed: 2002-04-17
Abstract: PURPOSE: A tub for a drum type washing machine is provided to produce front and rear tub parts forming the tub injection-molded from synthetic resin at almost same time and accordingly to have uniform productivity and efficiently keep the production, management and supply of components. CONSTITUTION: A tub(20) for a drum type washing machine is composed of a front tub part(22) formed into a cylindrical shape with having an opening(22a) for taking in and out the laundry in front and a rear tub part(24) combined and fixed to a rear end of the front tub part and arranged with a bearing housing(24a) in the rear. The length(A) of the front tub part is longer than the length(B) of the rear tub part.
Patent KR-20030084222-A (KR)
Inventor: KWON HYEOK TAE
IPC: H04N5/44
Filed: 2002-04-25
Abstract: PURPOSE: A television receiver is provided to integrate a CD R/W module into the television receiver to reduce manufacturing costs remarkably. CONSTITUTION: A television receiver(100) includes an A/D converter(31) for converting Y Cb Cr signal of a DTV signal line and analog RGB signals of a PC signal line into digital RGB signals, a video converter(32) for converting CVBS signal of a video signal line, Y/C signal of an S-video signal line and Y Pb Pr signal of a DVD signal line into digital RGB signals, and an image scaler(33) for scaling the digital RGB signals of the A/D converter and digital RGB signals of the video converter to display the signals on a screen(34) as an image. The television receiver is integrated with a CD R/W module(40) that compresses the digital RGB signals into MPEG video/audio stream signals to record the signals and decompresses the recorded MPEG video/audio stream signals to display the decompressed signals on the screen as an image through the image scaler.
Patent KR-20020087847-A (KR)
Inventor: FINKE-ANLAUFF ANDREA
IPC: G06F3/02
Filed: 2002-04-29
Abstract: PURPOSE: A foldable keyboard for a mobile communication device is provided to offer convenient and efficient utility for all keys without significant interference. CONSTITUTION: A housing having a top cover which provides an operational surface of an electronic device is formed. A screen(3) is constructed at a central location in the operational surface to provide a visible display of information to a user. The operational surface is divided into left and right panels(5,6) by the screen(3). Function keyboards(10,11) are constructed in the first and second portions. The first portion is constructed in the left panel(5), and the second portion is constructed in the right panel(6). Each of the function keyboard portions has the array of keys consistent with a selected function. The function keyboards(10,11) are exposed for the operation of the user.
Patent KR-20030086076-A (KR)
Title: Filtering method for removing block artifacts and/or ringing noise and apparatus therefor
Inventor: KIM YONG JE
IPC: H04N7/12
Filed: 2002-05-03
Abstract: PURPOSE: A filtering method and device for eliminating a blocking effect are provided to effectively detect whether an edge region exists or not to reduce the quantity of calculations. CONSTITUTION: Video data is one-dimensional-discrete-cosine-transformed by blocks in one direction selected from horizontal and vertical directions(500). One-dimensional discrete cosine transform and quantization are carried out for at least one pixel selected on the basis of pixel positions in the direction that is not selected(510). Filtering information is generated on the basis of the coefficient value of the quantized pixel(516). The filtering information is related with vertical blocking effect. In the case that the quantization value of the selected pixel has a predetermined value, a horizontal blocking flag is set to 1 as the filtering information.
Patent KR-20030086770-A (KR)
Title: Temperature-compensated delay circuit
Inventor: CHOI GYEON GYU
IPC: G11C8/00
Filed: 2002-05-07
Abstract: PURPOSE: A temperature compensation delay circuit is provided to minimize delay time variation according to temperature variation, by compensating conductance variation according to the temperature variation of transistors constituting an inverter. CONSTITUTION: According to a delay circuit of a semiconductor device, a temperature compensation delay(600) includes at least one inverter(610,650) which inverts a receiving signal(VIN) and then provides it as a transmission signal(N620). The inverter comprises a pull-up unit(611) including the first pull-up transistor(PM1) gated by the receiving signal and the second pull-up transistor(PM2) increasing a pull-up speed of the transmission signal by the increase of conductance as the temperature increases, and a pull-down unit(613) including the first pull-down transistor(NM1) gated by the receiving signal and the second pull-down transistor(NM2) increasing a pull-down speed of the transmission signal by the increase of conductance as the temperature increases.
Patent KR-20020041380-A (KR)
Title: Wardrobe using wall
Inventor: LIM JONG SUN
IPC: A47B61/00
Filed: 2002-05-07
Abstract: PURPOSE: A wardrobe using a wall is provided to utilize an inner space for various purposes such as a dress room, a TV stand, a bookcase, etc. CONSTITUTION: The wardrobe using a wall comprises the steps of arranging a combination door(10) parallel to a wall, installing a fixed rail(19) or a slide rail on the ceiling and floor of a room to support and to guide an upper end and a lower end of the combination door(10), and forming an isolated straight inner space between the wall and the combination door(10) to use as a wardrobe.
Patent KR-20030088996-A (KR)
Title: Antenna switch using low temperature co-fired ceramic
Inventor: HWANG GYU HAN
IPC: H01P1/10
Filed: 2002-05-15
Abstract: PURPOSE: An antenna switch using LTCC(Low Temperature Cofired ceramic) is provided to obtain the desired impedance and improve a degree of freedom in a design process by forming a pattern of a phase shift portion as a micro strip line. CONSTITUTION: An antenna switch using LTCC includes a main body portion(20), a cavity(20a), a plurality of transmission and reception portions, and a phase shift portion. The main body portion(20) is formed on a semiconductor substrate(4) by stacking a plurality of thin films(21-24). The cavity(20a) is formed between the semiconductor substrate(4) and the main body portion(20). The transmission and reception portions transmits or receives signals of plural frequency bands. The phase shift portion is formed with the micro strip lines. The semiconductor substrate(4) includes a ground(26) opposite to electronic components(40) mounted on the main body portion(20).
Patent KR-20030092793-A (KR)
Title: Certificate validity confirming system and method thereof
Inventor: KANG JAE EUN
IPC: H04L9/32
Filed: 2002-05-31
Abstract: PURPOSE: A certificate validity verification system and a method thereof are provided to verify validity of a certificate using the latest certification authority without a message receiver's verification of the abolition of the certificate to the authority. CONSTITUTION: According to the certificate validity verification method applied in a certificate validity verification system including a principal(10) transmitting a message including a certificate and a verifier(20) receiving the message including the certificate and a certification authority(30) issuing and verifying the certificate, a recency period trusting that the certificate is valid is set. It is judged whether the certificate received by the verifier is within the recency period or not. If the received certificate is not within the recency period, the verifier inquiries the certification authority about whether to abolish the received certificate.
Patent KR-20040000912-A (KR)
Title: Semiconductor interconnection structure and a method of forming the same
Inventor: CHO TAE HUI
IPC: H01L21/3205
Filed: 2002-06-26
Abstract: PURPOSE: A structure of a wire for semiconductor and a forming method therefor are provided to prevent the damage of a lower structure by forming a spacer for protecting the lower structure on a sidewall of a wiring pattern. CONSTITUTION: A structure of a wire for semiconductor includes a semiconductor substrate(31), an interlayer dielectric(32), a contact hole(40), a wiring pattern(49), and a spacer(51). The interlayer dielectric(32) is formed on an upper surface of the semiconductor substrate(31). The contact hole(40) is formed on a predetermined position of the interlayer dielectric(32). The wiring pattern(49) is formed on an upper surface of the interlayer dielectric(32). The wiring pattern(49) includes a conductive layer pattern(44) for filling the contact hole(40) and a capping layer pattern(48) laminated on the conductive layer pattern(44). The spacer(51) is formed on a sidewall of the wiring pattern(49).
Patent KR-20040001300-A (KR)
Title: Image synthesizing and editing system and its method in panorama image of background
Inventor: BAEK SEUNG HEAN
IPC: G06T1/00
Filed: 2002-06-27
Abstract: PURPOSE: A system for synthesizing and editing an image having a panorama image as a background, and a method thereof are provided to generate one composite image by putting an object image on a panorama image for background. CONSTITUTION: One panorama image is generated from a series of photographs(S10). A specific object image to be put on a composite photograph is extracted from the original image formed of a background and an object(S20). The object image is separated from the original image by designating or automatically selecting a predetermined object contour(S21-S22). The extracted object image is read with the panorama image for background to be compositely edited(S30). The specific picture is selected by moving the panorama image in all directions(S31). The panorama image stopped in a panorama viewer is expanded or reduced(S32). The completed composite image is stored(S40).
Patent KR-20020071795-A (KR)
Inventor: AHN DAL
IPC: H01P3/00
Filed: 2002-06-28
Abstract: PURPOSE: A coplanar waveguide transmission line with a spiral-shaped defected ground structure is provided to obtain a high propagation delay constant by etching a spiral-shaped defect. CONSTITUTION: The coplanar waveguide transmission line includes the spiral-shaped defected ground structure formed by etching ground surfaces(3,5) as a spiral shape and connecting a signal line(4) to gaps(11,12) between the ground surfaces(3,5). The signal line(4) is formed on the center of the coplanar waveguide transmission line and has a width of W. A signal is applied to the signal line(4) and a return path of the applied signal is formed by the ground surfaces(3,5) spacing to each other as the gaps(11,12) of S. By adjusting W and S, a desired characteristic impedance is obtained.