baber/WOPTO huggingface dataset:
Patent KR-20050007087-A (KR)
Inventor: HAM UI SHIN
IPC: B63B7/00
Filed: 2003-07-11
Abstract: PURPOSE: A boat is provided to dismantle/assemble frames and to minimize the contact area between a bottom face and the surface of the water. CONSTITUTION: A boat comprises a boat body(100), a bottom frame(300), waterproof armors and a bottom plate. The boat body comprises a hull frame(120), cells(140) and blocking tubes. The hull frame is formed by connecting plural unit frames(110). The cells are combined by interlocking with the inside of the unit frames outside the unit frames. The blocking tubes isolate or open the connection passages between the unit frames and the cells by embedding inside each unit frame and expanding or shrinking according to the injection and the discharge of fluid. The bottom frame forms the inside of the hull by supporting in the hull frame. The waterproof armors shield the outsides of the boat body and the bottom frame. The bottom plate is loaded on the bottom frame to be shielded by the waterproof armor. Thereby, the boat is not easily braked or damaged by reinforcing the intensity.
Patent KR-20040049777-A (KR)
Inventor: YOON JAE YEONG
IPC: B23Q11/02
Filed: 2003-07-16
Abstract: PURPOSE: A pressure foot is provided to smoothly discharge processed chips such as a PCB(Printed Circuit Board). CONSTITUTION: A cylindrical body(21) is located on a processed portion, and is formed with a gas passage(22). An outer brush(27) pressurizes a processed material by extending from the girth of the cylindrical body downward. An inner brush(26) pressurizes the processed material by extending from the cylindrical body downward in the separated portion from the outer brush. Plural nozzle devices(25) are located in the cylindrical body between the outer brush and the inner brush. The nozzle devices inject pressurized air to the processed portion. An offering device of intake force offers the intake force through the gas passage. Thereby, a processed chip of the processed material is removed and discharged by effectively separating from the processed material.
Patent KR-20050011323-A (KR)
Inventor: CHO SUN HANG
IPC: A61K9/107
Filed: 2003-07-22
Abstract: PURPOSE: Provided is a pharmaceutical composition for hyperlipidemia treatment using of the self emulsifying drug delivery system. It forms nanoemulsion to increase its bioabsorption and prevents oxidation of its active ingredients even though long term preservation to improve stability of them. CONSTITUTION: The pharmaceutical composition containing, as an active ingredient, statin is characterized by using self emulsifying drug system which contains nanoemulsion composed of 1-20 wt.% of statin, 5-60 wt.% of surfactant, 20-60 wt.% of dissolving agent, 10-50 wt.% of cosurfactant and 1-5 wt.% of antioxidant.
Patent KR-20040034362-A (KR)
Inventor: LEE JI WON
IPC: A23B7/024
Filed: 2003-07-28
Abstract: PURPOSE: A method of preparing dried vegetables having excellent restoring force while maintaining characteristic taste and flavor of vegetables by a hot air drying method is provided. The method is economical as compared to freeze-drying methods and the dried vegetable product is not easily broken. CONSTITUTION: Inedible portions are removed from vegetables, the vegetables are then washed, cut to a predetermined size and quickly cooled. Thereafter, the cooled vegetables are preserved in 2 to 8% sugar solutions for 1 to 3hr, dried with hot air for 1 to 4hr at 50 to 95deg.C to a moisture content of 8 to 15% and for 3 to 10hr at low temperature of 15 to 30deg.C and then frozen for 8 to 20hr at -4 to 16deg.C. The vegetables are bean sprouts, Malva verticillata L., spinach, beats, Chinese flat cabbage, garland chrysanthemum(ssukkat), cabbage and radish.
Patent KR-20050019144-A (KR)
Inventor: PARK SU YOUNG
IPC: B62D3/12
Filed: 2003-08-18
Abstract: PURPOSE: A rack bar support structure of a power steering system is provided to keep existing function and performance for supporting a rack bar and to simplify the number of parts and assembly processes by shortening a charging groove of a cylinder tube and functioning a rack bush as a rack stopper. CONSTITUTION: A rack bar support structure of a power steering system is composed of a charging groove(1a) formed in the end of a cylinder tube(1) installed with a rack bar(2); a ring groove(1b) formed at the end of an inlet of the charging groove; a rack bush(3) interposed between the charging groove and the rack bar; and a C-shaped stop ring(5) disposed in the ring groove to stop movement of the rack bush. In an assembly process, an oil seal(4) and the rack bush are inserted and mounted in the charging groove of the cylinder tube and then the C-shaped stop ring is fitted into the ring groove.
Patent KR-20050019554-A (KR)
Inventor: KANG DAE KWON
IPC: H01L21/033
Filed: 2003-08-19
Abstract: PURPOSE: A photo-resist supplying apparatus is provided to prevent the shortage of injection amount due to a bubble by supplying continuously nitrogen gas to the interior of nozzle using a bubble generating restrainer. CONSTITUTION: A photo-resist is stored in a supply tank(1). The supply tank is communicated with a buffer tank(5). The photo-resist stored in the buffer tank is forcibly pumped by a pump(11). The photo-resist pumped by the pump is injected through a injection nozzle(15). A generation of bubble from the interior of the injection nozzle is prevented by a bubble generating restrainer(20).
Patent KR-20050020003-A (KR)
Inventor: JUNG HWAN KYU
IPC: C08L91/00
Filed: 2003-08-20
Abstract: PURPOSE: A thermoplastic elastomer composition and preparation method thereof are provided to improve flowability, mechanical properties, elasticity and volume change, and to make the hardness lower by using a styrene based thermoplastic elastomer and paraffin oils, thereby being suitably used as a rubber for automobile parts. CONSTITUTION: The thermoplastic elastomer composition comprises: 100pts.wt of EPDM rubber; 5-1000pts.wt of a styrene based thermoplastic elastomer; 50-3000pts.wt of paraffin oils; 10-200pts.wt of a polyolefin resin; 1-15pts.wt of a phenol resin as a crosslinking agent; and 0.5-5pts.wt of a crosslinking activator.
Patent KR-20050020045-A (KR)
Inventor: KWON JAE IK
IPC: H01J11/36
Filed: 2003-08-20
Abstract: PURPOSE: A plasma display panel and a method for driving the same are provided to shorten the scan time by applying scan voltages to a plurality of discharge cell lines at the same time. CONSTITUTION: A plasma display panel comprises a first substrate and a second substrate opposed with each other; address electrodes formed on the second substrate; barrier ribs(15) disposed in the space formed between the first substrate and the second substrate so as to define a plurality of discharge cells(20); phosphor layers formed in the discharge cells respectively; and discharge sustain electrodes formed on the first substrate. At least a pair of discharge cells arranged in the vicinity of each other in the direction of the address electrodes has a minimum gap(d) formed between vertical axes in the direction of the address electrodes, wherein the vertical axes pass through respective centers of the discharge cells. The minimum gap is shorter than a distance(D) between centers of a pair of discharge cells arranged in the vicinity of each other in the direction of the sustain discharge electrodes.
Patent KR-20050023497-A (KR)
Inventor: CHUN HYUN SOO
IPC: B41J2/315
Filed: 2003-08-28
Abstract: PURPOSE: A heat transfer apparatus is provided to smoothly transcribe continuous patterns by using a heat transfer tube molding unit. CONSTITUTION: A hot transfer apparatus includes a heat transfer tube molding unit(1), a vacuum contact unit, and a heat transfer path. The heat transfer tube molding unit(1) includes a heating and pressurizing unit(30). The heat transfer apparatus surrounds a target object with a heat transfer sheet and seals the heat transfer sheet in a tube shape. The heat transfer absorbs air in the heat transfer tube such that corners are attached to each other. The heat transfer tube molding unit(1) surrounds a target object with a first heat transfer sheet and seals the heat transfer sheet in a tube shape by the heating and pressurizing unit(30).
Patent KR-20050024672-A (KR)
Inventor: BANG WON KYU
IPC: H01J17/28
Filed: 2003-09-01
Abstract: PURPOSE: A display device is provided to achieve improved heat radiation performance by forming holes at the flange of a case such that a smooth air flow is accomplished in the case. CONSTITUTION: A display device comprises a display panel(10), a chassis(20), a circuit board(41), and a case(80). The chassis includes a base(21) for supporting the display panel, and a flange(22) formed at the top of the base so as to prevent the base from being warped. The circuit board has display panel driving components mounted thereon, and is supported by the chassis. The case accommodates the display panel, chassis, and the circuit board, and has air inlet ports(71) formed at the lower portion of the rear part of the case and air outlet ports(72) formed at the upper portion of the rear part of the case. The flange has a plurality of holes(22a) formed at predetermined intervals so as to allow for a smooth air flow in the case.
Patent KR-20040030285-A (KR)
Inventor: KALBE MICHAEL
IPC: D06M17/00
Filed: 2003-09-02
Abstract: PURPOSE: An insertion product for fixation and its preparation method are provided, to reduce the undesirable back-combination between different insertion products and to improve remarkably adhesive strength and separating property. CONSTITUTION: The insertion product comprises fabric insertion body(1) whose one face is coated with a dual-layered adhesive material point comprising an under point(2) facing the insertion body and an upper point(3) located on the under point. The under point(2) comprises a binder paste comprising 50-95 wt% of an acrylate binder dispersion having Tg lower than a room temperature and 5-50 wt% of an epoxy resin having an epoxide equivalence of 500-4,000 mVal/kg, or 50-95 wt% of an acrylate binder dispersion having Tg lower than a room temperature, 5-50 wt% of a copolymer comprising a glycidyl side chain-having monomer and an acrylate, 0-20 wt% of a curing agent and already-known additive for preparing paste. The upper point(3) comprises copolyamide and/or copolyester and/or thermoplastic polyurethane and/or polyolefin. The ratio of the upper point to the upper point is 1:0.5 to 1:5 by weight.
Patent KR-20050023947-A (KR)
Inventor: MOON SEUNG YOON
IPC: G09B11/00
Filed: 2003-09-03
Abstract: PURPOSE: An apparatus and a method for teaching babies finger languages for linguistic and brain development are provided to perform audiovisual education by teaching standard sign languages while playing oral sounds simultaneously. CONSTITUTION: A main educational material(1) is divided into plural pages. A folded portion is formed on edges of the pages so that two adjacent pages are folded together. Each of the pages includes an image display section(3) which includes plural drawings. A schematic drawing of a finger language is printed inside the image display section. A memo section(5) is provided under the image display section. A name corresponding to the image in the image display section is displayed in text on the image display section.
Patent KR-20050029755-A (KR)
Title: Method of traffic information service using short message service
Inventor: HAN SUNG WOO
IPC: H04W8/18
Filed: 2003-09-22
Abstract: A method for servicing traffic information by using a short message is provided to construct a DB by analyzing time information and path information, and to transmit a traffic information short message to a traffic information user, thereby effectively servicing traffic information. A traffic information supply server receives registered information on a traffic information user(201). The server stores basic information on the user in a DB based on the registered information(202). The server confirms whether a departure/destination changing short message is received(203). If not, the server confirms whether a departure short message is received(205). If so, the server transmits retrieved up-to-date traffic information to a wireless communication terminal(206), and confirms whether an arrival short message is received(207). If so, the server calculates a time consumed, and updates traffic information of the DB(208).
Patent KR-20050029758-A (KR)
Title: Oil pressure control valve of power sterring system for vehicle
Inventor: HA HURN KWAN
IPC: B62D5/08
Filed: 2003-09-22
Abstract: A hydraulic control valve for a power steering system of a vehicle for reducing noise is provided to smooth the flow of fluid by reducing fluid resistance and to decrease vibration factors caused by the valve by making a linear edge formed in the longitudinal direction of a passage groove a curved line. A hydraulic control valve for a power steering system of a vehicle for reducing noise has a cylindrical valve body having a slot-shaped passage groove in both ends to pass the fluid. A curved edge(114) is formed longitudinally in the passage groove of the valve body. When a sectional area of an orifice is changed between the passage groove of a valve shaft and the valve body in opening and closing the passage, a pressure curve is formed gently as a one-dot chain line by applying the curved edge.
Patent KR-20040073941-A (KR)
Inventor: TAMAGAWA SHIGEHISA
IPC: B41M5/41
Filed: 2003-09-24
Abstract: PURPOSE: Provide are a supporter for an image recording material which has an improved density, elastic modulus, tensile strength and strength and an excellent dimensional stability and smoothness, a producing method thereof and an image recording material using the supporter. CONSTITUTION: The supporter for an image recording material comprises a stencil paper containing a pulp suspension(10). The stencil paper is a press-dry treated stencil paper and a moisture content of the stencil paper before the press-dry treatment is 30 to 70%. The press-dry treatment comprises press-dry treating an image forming side of the stencil paper at a temperature of 100 to 200 deg.C. A density of the stencil paper is at least 0.9 g/cm¬3.
Patent KR-20050031750-A (KR)
Title: Resistive type superconducting fault current limiter
Inventor: LEE BANG WOOK
IPC: H02H9/02
Filed: 2003-09-30
Abstract: A resistive type superconducting FCL(Fault Current Limiter) is provided to separate an external magnetic field generation device from a system to act on a superconducting element in case of a substantial accident only of the system, to generate uniform resistance while realizing a simultaneous quenching between elements, thereby removing a deterioration of a threshold current density. A superconducting FCL module(14) is configured by serial/parallel connections of a superconducting FCL for conducting a current in the state of superconducting during a normal driving operation. Magnetic field appliers(15) surround the superconducting FCL module(14), lower a threshold current value of the superconducting FCL module(14) in case of a system short accident while causing a quenching, and apply necessary magnetic fields which do not deteriorate a threshold current during the normal driving operation. Thin film-type current leads(17) connect thin film-type superconducting elements with an external current lead. A current transformer(18) is separated from a system, and supplies a current to the magnetic field appliers(15).
Patent KR-20050033082-A (KR)
Title: Ground pressure mattress having prominence and method of making the same
Inventor: KIM DUK RIN
IPC: A47C27/14
Filed: 2003-10-04
Abstract: A digital compression mattress having prominence and a method of making the same are provided to maximize air permeability, stability and digital compression effect. The digital compression mattress(2) having prominence comprises a foamed polyurethane sponge as a core material, the prominence(21) formed by cutting the top side of the polyurethane sponge and a coating side on the prominence. The coating side is formed by applying a mixture essentially of toluene diisocyanate and polyol based polypropylene glycol to the upper layer of the prominence and curing. The mixture comprises 32 % of toluene diisocyanate, 19 % of polypropylene glycol, 25 % of solvent, 20 % of calcium carbonate, 2 % of colorant, 0.2 % of catalyst and 0.5 % of dispersant based on a total weight thereof.
Patent KR-20050034772-A (KR)
Inventor: KIM GIR HO
IPC: F21S10/02
Filed: 2003-10-07
Abstract: 발광다이오드를 이용하여 음의 높이, 음색 또는 음량에 따라 빛을 방사하는 조명장치가 개시된다. 본 발명에 따른 조명장치는, 빛을 투과시키기 위한 원통형의 본체에 빛을 방사하기 위한 발광다이오드 조립체를 회전가능하게 설치하였다. 음향기기에서 입력된 음 신호를 제어부에서 색채신호로 변환하고, 그에 상응하는 제어신호를 배선부재로 전달한다. 상기 배선부재는 제어부의 제어신호에 따라 발광다이오드로 전류를 공급하거나 발광다이오드에 공급되는 전류를 차단한다. 따라서, 발광다이오드 조립체는, 회전하면서 음에 따라 빛을 방사하게 된다. 이와 같이 구성된 본 발명의 조명장치는, 음향기기로부터 제공되는 음의 높이, 음색 및 음량에 따라 그에 대응하는 발광다이오드를 작동시켜 빛을 공간상에 회전방사함으로써, 음을 가시화한 빛을 이용하여 연주하는 효과를 낼 수 있어 기존의 이퀄라이저 음상표시 장치의 기능을 할 뿐 아니라 입체적인 총천연색 장식용 조명효과도 기대할 수 있다.
Patent KR-20040034434-A (KR)
Inventor: FUJIWARA TSUNEO
IPC: G11B20/14
Filed: 2003-10-14
Abstract: PURPOSE: An offset compensation device and a method are provided to perform a DC offset compensation in which an error rate can be approximately top in quality, even when a factor of a DC level change is an asymmetrical factor. CONSTITUTION: An optical pickup(2) converts recording data of an optical disk(1) into an electrical signal. An A/D converter(3) quantizes a reproduction signal in every clock synchronized with a bit period of the reproduction signal, and sequentially outputs the quantized signal as a quantization data string in every clock. An adder(4) adds an offset control amount to the quantization data string. A Viterbi decoder(6) Viterbi-decodes a signal after the offset control, and binarizes the decoded signal. An offset compensation operator(7) calculates the offset control amount, so that a value obtained by dividing a standard deviation of a path metric difference between a survivor path and other path by an average of a path metric difference can be minimum.
Patent KR-20050040974-A (KR)
Inventor: KIM JIN SUNG
IPC: H01M10/0568
Filed: 2003-10-29
Abstract: 탄소재료를 주재료로 하여 이루어진 애노드; 리튬을 삽입 및 탈삽입할 수 있는 화합물을 주재료로 하여 이루어진 캐소드; 상기 캐소드와 상기 애노드의 사이에 개재된 세퍼레이터; 및 비수계 용매에 전해질 용질이 용해된 전해액을 포함하고, 상기 비수계 용매는, 에틸렌카보네이트 8 ~ 15부피%, γ-부티로락톤 10 ~ 35부피%, 디메틸 카보네이트, 디에틸 카보네이트, 에틸메틸 카보네이트, 메틸프로필 카보네이트, 에틸프로필 카보네이트 및 메틸부틸 카보네이트로 이루어진 군에서 선택된 하나 이상의 선상 카보네이트 35 ~ 65부피%, 및 플루오로벤젠 8 ~ 15부피%를 포함하는 혼합용매 및 상기 혼합용매 100부피부를 기준으로 비닐렌 카보네이트 0.5 내지 9.0 부피부를 포함하는 것을 특징으로 하는 리튬 전지가 제공된다. 본원 발명에 따른 리튬 전지는 에틸렌 카보네이트의 함량을 15부피% 이하의 저함량으로 포함하는 비수계 용매를 사용하면서도 효과적인 충방전 수명특성, 효과적인 고온방치 안정성 및 효과적인 저온 방전특성 등 상업적으로 생산될 수 있는 리튬 전지에 요구되는 제특성을 만족시킬 수 있다.
Patent KR-20040082932-A (KR)
Inventor: MATSUMOTO MASAYOSHI
IPC: C09J7/35
Filed: 2003-10-31
Abstract: PURPOSE: Provided is a one-component type solvent pressure solvent adhesive containing a crosslinking component for improving the storage stability by controlling the amount of a cyclic ether group and a carboxyl group, thee amount of an additive, a solid content of the adhesive and a molecular weight of the adhesive, thereby improving cohesion when being formed in a pressure sensitive adhesive sheet. CONSTITUTION: The pressure sensitive adhesive composition comprises an acrylic polymer having a weight average molecular weight of at least 300,000 and produced by copolymerizing a C1-14 alkyl methacrylate, 0.2 to 1.8 phr of an ethylenic monomer having a cyclic ether group, and 4 to 8 phr of a polymerizable unsaturated carboxylic acid.
Patent KR-20050044006-A (KR)
Inventor: NOH EUNG SUK
IPC: C02F1/42
Filed: 2003-11-04
Abstract: 본 발명은 멀티 컬럼을 갖는 연수기에 관한 것으로, 원수의 경로를 제공하는 입수배관 및 연수의 경로를 제공하는 출수배관을 갖는 연수기로서, 일측과 타측에 각각 입수구와 출수구를 가지며, 상기 입수구를 통해 유입된 원수로 연수를 생성하여 상기 출수구로 배출하도록 내부에 이온교환수지가 충진되는 적어도 두 개 이상의 컬럼; 및 상기 컬럼들 중 어느 하나만이 상기 입수배관 및 출수배관과 소통되도록 하는 컬럼선택수단을 포함하며, 상기 컬럼선택수단은 상기 입수배관 및 출수배관과 소통된 컬럼의 수명이 다하면 나머지 컬럼들 중 어느 하나를 상기 입수배관 및 출수배관과 소통시키는 것을 특징으로 한다.
Patent KR-20040048819-A (KR)
Inventor: KUSHIDA KAZUMITSU
IPC: G02B6/00
Filed: 2003-11-26
Abstract: PURPOSE: A display apparatus for vehicles and a light guide panel thereof are provided to ensure high visibility regardless of the body size and sitting posture of riders. CONSTITUTION: The display apparatus for vehicles comprises a transparent light guide panel(100) positioned in front of a rider, the panel being tilted so that an incidence cross section thereof faces downward and an emitting cross section thereof faces upward. An emitter is disposed at the incidence cross section of the light guide panel. The light guide panel has a sufficient distance from the incidence cross section to the emitting cross section with respect to the thickness of the panel.
Patent KR-20040047678-A (KR)
Inventor: KOO CHANG SOO
IPC: H04J13/00
Filed: 2003-11-26
Abstract: PURPOSE: A method for controlling an outer loop power in a wireless communication system is provided to dynamically determine an initial target SIR and a step size for an excessive state of controlling a target SIR with regards to each Temp-DCH(Dedicated Channel) assignment of non real-time data through an outer loop power control, thereby enhancing a power control by using a Temp-DCH assign period as an additional variable. CONSTITUTION: An initial target SIR controlled for each Temp-DCH assignment is generated(501). The initial target SIR is selected in each handover(503). A process decides whether Temp-DCHs are initially assigned(503). If not, a new initial target SIR for the Temp-DCH assignments is controlled(505). The process conducts maximum and minimum tests for a calculated target SIR(506), and controls a target SIR based on a data rate(507). The process determines an initial excessive state step size based on a continuous period of the Temp-DCH assignments(508). An outer loop power control is started for a current Temp_DCH assignment(509).
Patent KR-20050052045-A (KR)
Inventor: KIM HEUNG SEOK
IPC: A62B18/08
Filed: 2003-11-29
Abstract: 본 고안은 겨울철 보드용 마스크 이용자들이 대부분 모자나 헤어밴드 또는 
     스키용고글 등을 착용한다는점에 착안하여 기존제품의 문제점인 뒷부분의 
     흘러내림문제와 그로인한 얼굴 일부와 귀의 노출문제, 그리고 마스크 뒷 
     부분이 목부분에 위치했을때 고개를 좌우로 움직일 경우에 발생하는 
     걸리적 거리는 불편한 문제등을 모두 한번에 해소할수 있는 방법이다.
Patent KR-20050052112-A (KR)
Inventor: KWON HYUK KOAN
IPC: F24C3/10
Filed: 2003-11-29
Abstract: 본 발명은 가스 레인지에 관한 것으로써, 특히, 가스 레인지의 점화장치에 대한 구조 개선을 통해 점화손잡이와 후크레버 간의 결합 관계가 안정적으로 이루어지도록 함과 더불어 상기 점화손잡이의 파손이 발생되더라도 상기 후크레버와의 밀착 상태는 원활히 유지될 수 있도록 한 가스 레인지의 점화장치에 관한 것이다. 
     이를 위해, 본 발명은 후크레버의 조작에 의해 연소가스의 공급량이 조절되는 레귤레이팅밸브; 조작 가능한 손잡이부를 가지고, 상기 손잡이부의 조작에 연동되도록 형성됨과 더불어 상기 후크레버가 삽입 고정되도록 삽입홈이 형성된 결합부를 가지는 점화손잡이; 그리고, 상기 결합부의 끝단 둘레면을 감싸면서 상기 후크레버가 상기 결합부로 삽입되는 방향과는 수직한 방향으로 가압력을 제공하는 가압부재:가 포함됨을 특징으로 하는 가스 레인지용 점화장치가 제공된다.
Patent KR-20050053123-A (KR)
Inventor: AN CHANG SEOP
IPC: F16D65/02
Filed: 2003-12-02
Abstract: 본 발명은 브레이크 장치의 냉각성능이 향상되도록 하여 브레이크 장치의 내구성 및 작동신뢰성을 향상시키고, 동일한 수준의 제동력을 발생시키는 것을 기준으로 할 때 제동력을 발생시키는 메커니즘의 중량을 대폭적으로 저감시킬 수 있어서, 차량의 연비향상에 기여할 수 있다.
Patent KR-20050056002-A (KR)
Inventor: KIM SANG YEOL
IPC: H05B33/14
Filed: 2003-12-09
Abstract: 본 발명은 홀 수송층에 칼라 향상제를 부가하여 홀 수송층에서 방출되는 빛의 장파장 영역을 부분적으로 컷오프할 수 있는 유기 전계 발광 소자를 제공한다. 이러한 유기 전계 발광 소자는 발광 효율의 저하를 억제 하면서 색순도 특성이 향상된다.
Patent KR-20050058618-A (KR)
Inventor: KIM KYEONG MAN
IPC: H04N1/46
Filed: 2003-12-12
Abstract: 본 발명은 컬러 이미지 형성 장치, 특히 컬러 프린터에서의 컬러 보정을 위한 방법 및 장치으로서, 보다 상세하게는 입력 RGB 영상의 채도에 기초하여 출력 CMYK 영상의 순도를 개선하기 위한 방법 및 장치에 관한 것이다. 
     이를 위하여 본 발명은 RGB(Red, Green, Blue)로 이루어진 입력 RGB 영상의 각 화소로부터 LHS(Lightness, Hue, Saturation) 정보를 추출하여 CMYK(Cyan, Magenta, Yellow, blacK)로 이루어진 출력 CMYK 영상의 순도(Purity)를 개선하기 위한 컬러 프린터의 컬러 보정 방법으로서, (a) 입력 RGB 영상의 각 화소로부터 LHS 정보를 추출하는 단계로, 상기 LHS 정보는 명도(Lightness) 정보, 색상(Hue) 정보, 및 채도(Saturation) 정보를 포함하는 단계; (b) LHS 정보에 포함된 색상(Hue) 정보를 이용하여 각 화소에서의 색상 비율(Hue Ratio, HR)을 계산하는 단계; (c) RGB 입력 영상의 각 화소에 대한 1차색 순도(Purity)와 2차색 순도(Purity)를 계산하는 단계로, 1차색 순도는 RGB 컬러 각각에 대한 순도(Purity)를, 2차색은 CMY 컬러 각각에 대한 순도(Purity)를 나타내는 단계; 및 (d) 1차색 순도(Purity)와 2차색 순도(Purity)를 이용하여 출력 CMYK 영상의 순도(Purity)를 개선하는 단계를 포함하는 것을 특징으로 한다.