baber/WOPTO huggingface dataset:
Patent KR-20050010249-A (KR)
Inventor: KIM WOO JIN
IPC: H01L21/76
Filed: 2003-07-18
Abstract: PURPOSE: A method of forming an isolation layer of a semiconductor device is provided to prevent moat from being generated at a corner of an isolation layer structure by using a sidewall nitride layer formed like a spacer structure. CONSTITUTION: A trench is formed by etching selectively a pad oxide layer(32) and a semiconductor substrate(30) using a pad nitride pattern as an etching mask. A reduced pad nitride pattern(34b) is formed by etching selectively the pad nitride pattern. A spacer type sidewall nitride layer(40a,40b) is formed at sidewalls of the trench and the reduced pad nitride pattern. A gap-fill oxide(42) is formed on the entire surface of the resultant structure.
Patent KR-20050011287-A (KR)
Inventor: EUN BYUNG SOO
IPC: H01L21/76
Filed: 2003-07-22
Abstract: PURPOSE: A method of fabricating a semiconductor device is provided to prevent damage of a lower part of a PE nitride layer by forming a liner nitride layer with the PE nitride layer having a low step coverage. CONSTITUTION: A trench is formed on a semiconductor substrate(61) in order to form an isolation layer pattern. An HDP oxide layer is formed on the entire surface of the semiconductor substrate. A sacrificial oxide layer is formed on a surface of the trench and the sacrificial oxide layer is removed therefrom. A sidewall oxide layer(73) is formed on a sidewall of the trench. A liner nitride layer(75) is formed thereon by using a PE nitride layer. A liner oxide layer(77) is formed on the entire surface of the semiconductor substrate. An HDP oxide layer(79) is formed thereon.
Patent KR-20050011595-A (KR)
Inventor: JOUNG JIN WON
IPC: B29C45/14
Filed: 2003-07-23
Abstract: PURPOSE: A casino chip for preventing theft by embedding an electromagnetic label and a manufacturing method thereof are provided to restrict damage of the electromagnetic label, and to prevent theft of the casino chip by mounting two semicircular electromagnetic labels to two circular plates. CONSTITUTION: An antitheft casino chip is composed of two circular plates(11,12), a circular ring(10) supporting two circular plates, and two semicircular electromagnetic labels(30) mounted to two circular plates. The durability of the antitheft casino chip is improved by increasing the amount of the synthetic resin cover of the convex circular plate. Two circular plates are manufactured, and the circular ring is manufactured. Two symmetrical semicircular electromagnetic labels are mounted inside two circular plates. Two circular plates are overlapped, and the circular ring is fitted. The circular plates with the semicircular electromagnetic labels are inserted to the injection mold, and the outer ring is formed around the circular ring by injection-molding synthetic resin.
Patent KR-20050011800-A (KR)
Inventor: KIM KYU JONG
IPC: A45D24/00
Filed: 2003-07-24
Abstract: PURPOSE: An anion emitting hair brush is provided to give a head part plenty of anion, to recover a fatigue and to activate scalp cells by the cells absorbing anions at brushing. CONSTITUTION: The anion emitting hair brush comprises a thermoplastic resin selected from polyethylene, polypropylene, polystyrene, vinyl chloride, vinylidene chloride, polyamide resin, fluororesin, acrylic resin, polycarbonate, acetal resin, polyphenylene oxide, polyester, polysulfone and polyimide and a tourmaline and rare-earth element containing mineral. The brush is prepared by adding the mineral to the resin and injection molding in a comb shape.
Patent KR-20030077493-A (KR)
Title: Storage of Water Type Automatic Water Gate
Inventor: PARK JEONG WON
IPC: E02B7/20
Filed: 2003-08-20
Abstract: PURPOSE: A reservoir type automatic water gate is provided to keep the quantity of stored water without artificial operation or managers, to prevent disasters by maximizing drainage capacity in floods and to prevent the counterflow of the seawater caused by impurities. CONSTITUTION: The reservoir type automatic water gate(10) comprises a buoyant room(20) for making the upper end of a water gate face upward than the lower end of a water gate, a guide roller(30) for helping a water gate operate along a guide rail smoothly when a water gate is opened and closed, guide rails(40,50) for preventing the separation of the water gate when a water gate is opened by a difference in water pressure and closed by self-weight and guiding the water gate to be opened completely to minimize resistance in floods, and a concrete structure(60) fixing the reservoir type automatic water gate to sort the contained water and the seawater.
Patent KR-20050022899-A (KR)
Inventor: HWANG HOO
IPC: H04W4/00
Filed: 2003-08-27
Abstract: PURPOSE: A wireless electronic shopping mall system and a shopping method using an avatar on a mobile terminal are provided to enhance satisfaction for the goods and reduce dissatisfaction by making a user buy the goods after confirmation, as a wireless electronic shopping mall puts the reduced/enlarged or modified goods on the avatar and makes the user inquire it through the mobile terminal. CONSTITUTION: A mobile shopping mall server(300) transceives wireless data by connecting to the mobile terminals(110,120) of the user(100) and is connected to each included shop server(400). The mobile shopping mall server receives a goods avatar of an included shop, provides it to a screen of the mobile terminal, and manages/provides information of the modified avatar picturing a person, a mannequin, or a model to the mobile terminal. The included shop server stores the goods avatar of a size enlarging, reducing, or modifying a photo of diverse real goods, and provides detail information of the goods avatar to the mobile shopping mall server. The mobile shopping mall server includes an avatar database(350), a database manager(330), an I/O(Input/Output) processor(340), an interface(310), and a purchase processor(320).
Patent KR-20050023174-A (KR)
Inventor: LEE SANG DON
IPC: H01L21/205
Filed: 2003-08-27
Abstract: PURPOSE: A gas inflow apparatus is provided to easily clean solidities due to the solidification of gas occurring during the operation of a semiconductor apparatus by using a separable gas feeding block. CONSTITUTION: A first gas feeding block(270) having one or more through holes(272) is joined with one side of a chamber(200). A second gas feeding block(180) having one or more through holes(182) is joined with one side of a lid assembly(100) at the top of the first gas feeding block. An O-ring(260) is interposed between the first gas feeding block and the second gas feeding block.
Patent KR-20050024085-A (KR)
Inventor: KANG HYUN JEONG
IPC: H04L12/28
Filed: 2003-09-04
Abstract: PURPOSE: A method for performing an uplink access in a broadband mobile communication system is provided to reduce a standby time taken for re-connection in case of channel congestion. CONSTITUTION: A terminal(400) transmits a bandwidth request message to a base station(450) through an access channel, namely, a contention-based connection channel in an uplink(411). The terminal(400) transmits the same bandwidth request message to the base station(450) after the lapse of a random backoff time(413). The terminal(400) re-attempts transmission of the same bandwidth request message after the lapse of the random backoff time(415). If there is no bandwidth as requested by the terminal(400)(417), the base station transmits a bandwidth request rejection message to the terminal(400)(419). Upon receiving a dedicated PN code, waiting time information, dedicated PN code lifetime information through the bandwidth request rejection message, the terminal(400) waits for the waiting time without attempting re-connection(423). When the waiting time elapses, the terminal(400) performs a contention-free connection to the base station by using the dedicated PN code as allocated within the dedicated PN code lifetime(427).
Patent KR-20050026578-A (KR)
Title: A graduatig method of ruller by minus a thirds one or plus in tri-partitioning and a ruller made by thereof
Inventor: SHIN YEONG HO
IPC: G01B3/02
Filed: 2003-09-09
Abstract: A graduating method of ruler by minus one-thirds or plus intri-partitioning and a ruler made by thereof is provided to measure a position according to a ratio of a length by using 12 laws. The scale of one-sixth is multiplied by nine. This result is employed as a basic size. The basic size is divided based on an intri-partitioning so that 12 scales are obtained. A ruler is made by using the 12 scales. The ruler has no difference in a longitudinal direction and includes an elastic member capable of extending or shrinking. The ruler is adaptable for a person having the height of 180cm. The basic size is 27cm. Regarding a person having the height of 160cm, the basic size corresponds to 24.03cm. The ruler is capable of extending and shrinking based on the basic size.
Patent KR-20050026620-A (KR)
Title: Oil level measurement equipment of oil tank
Inventor: KIM DAE GYU
IPC: G01F23/30
Filed: 2003-09-09
Abstract: An apparatus for measuring an amount of oil in an oil tank is provided to easily measure the amount of the oil by using a wire having a scale. A wire(10) has an end part fixed and is wound by a predetermined amount. A rotation control unit(S) connected to the other end of the wire(10) is installed in such a manner that oil gage is easily detected with a naked eye. The rotation control unit(S) is installed on a rotation member(20) rotating around a shaft(21). A rotation preventing hole(24) for preventing a gear(23) from being rotated is installed on the other side of the gear. The shape of the rotation member(20) corresponds to one of a wheel, a roller, and a rotation rode. The rotation member(20) is easily rotated due to a knob(22).
Patent KR-20050028635-A (KR)
Title: Method for controlling seeing and hearing time of multi unit digital satellite broadcasting receiver
Inventor: LIM DAE YOUNG
IPC: H04N7/20
Filed: 2003-09-19
Abstract: A method of controlling a watching time of a multi-unit digital satellite broadcast receiver is provided to prevent children from watching a television intemperately by controlling the watching time of the children. A main unit sets a valid watching time of the main unit and each subordinate unit through a menu picture. The main unit stores valid watching time information in a storage apparatus and then transmits the information to each subordinate unit. The main unit compares a current time with the valid watching time of each unit and thereby determines whether there is a unit that departs from the valid watching time(602). The main unit does not output a corresponding program on its display apparatus and displays a message indicative of an invalid watching time if there is the unit that departs therefrom and this unit is the main unit(603). The main unit stops transmitting the program to the subordinate unit and transmits a message of valid watching time inactivation thereto(604). The subordinate unit forcibly turns off electric power when a predetermined time period passes after displaying the message indicative of the invalid watching time on its display apparatus.
Patent KR-20050028716-A (KR)
Title: System for removing fuel evaporation gas
Inventor: CHOI SUNG MU
IPC: F02M35/024
Filed: 2003-09-19
Abstract: A device for adsorbing and removing VOC(Volatile Organic Compound) of fuel is provided to positively cope with VOC regulations and to promote protection of environment through reduction of air pollution, by installing an adsorbing filter in a suction system in structure of not disturbing a flow of a passage. In a device for adsorbing and removing VOC of fuel, an adsorbing filter(10) including hydrocarbon adsorption material is installed in a suction system of a vehicle to adsorb and remove VOC going out to the outside through the suction system. The adsorbing filter is formed in a thin sheet shape of adding 10~20 percent of charcoal fine particles to paper and is used in a state of being rolled. The adsorbing filter is supported on the surface of an inner wall of the suction system by restoring force in a state of being rolled in a concentric circle shape in the suction system. The adsorbing filter has plural holes(20).
Patent KR-20040038642-A (KR)
Inventor: SHIRAI KENJI
IPC: F24F5/00
Filed: 2003-09-29
Abstract: PURPOSE: An apparatus for enriching oxygen, and an air conditioner is provided to shield starting, operating and flux sound generated by oxygen-enriched air circulating a ventilation passage by an operating sound of a blower fan. CONSTITUTION: An oxygen enrichment unit(2) increases concentration of oxygen of air. A differential pressure element(3) generates a differential pressure to the oxygen enrichment unit. A ventilation passage(5) guides oxygen-enriched gas to a space to be controlled. An indoor blower fan(10a) moves air of the space to be controlled. A control unit controls to start the indoor blower fan before operating the differential pressure element.
Patent KR-20050032700-A (KR)
Inventor: LEE YUN GYU
IPC: F16H1/16
Filed: 2003-10-02
Abstract: A worm gear speed reducer is provided to obtain an accurate reduction ratio and achieve improved efficiency by arranging a plurality of slide-contact balls between a worm and a worm wheel such that the balls transmit rotating forces of the worm to the worm wheel in a smooth and accurate manner. A worm gear speed reducer comprises a casing(10), a worm(20), a worm wheel(30), a plurality of balls(40), and a cover. The worm is aligned along the Y-axis line of the casing, and connected to a power source in the casing such that the worm is rotatable. The worm has gear teeth(24). The worm wheel is aligned along the X-axis line of the casing, and arranged in the casing such that the worm wheel is rotatable. The worm wheel has gear teeth(34) engaged with the gear teeth of the worm such that the gear teeth of the worm wheel and the gear teeth of the worm are spaced apart from each other. The balls are interposed between the gear teeth of the worm and the gear teeth of the worm wheel so as to transmit rotating forces of the worm to the worm wheel. The cover is fixed at the casing, and covers the worm such that the balls do not escape from the space between the gear teeth of the worm. The cover has an open end formed at the lower end of the cover such that the gear teeth of the worm wheel are inserted into the open end.
Patent KR-20040038878-A (KR)
Inventor: TYVOLL DAVID
IPC: B01L7/00
Filed: 2003-10-31
Abstract: PURPOSE: A microfluidic system for analyzing nucleic acids is provided, which may allow more sensitive and accurate analysis of nucleic acids with dilute and complex samples. CONSTITUTION: The method for analyzing a nucleic acid target in a nucleic acid mixture of the target and non-target nucleic acids comprises the steps of: attracting the nucleic acid mixture to an electrode included in electronics formed on a substrate; retaining the target selectively by binding the target to a receptor disposed near the electrode; enriching the mixture for the target by removing unretained nucleic acids; and amplifying the target from the enriched mixture.
Patent KR-20050043113-A (KR)
Inventor: KIM HAK SEON
IPC: C03B37/018
Filed: 2003-11-05
Abstract: 본 발명은 적어도 하나의 중공형 풀링(full ring) 버너에 로드형 모재를 관통시켜 가열함으로써 광섬유를 제조하기 위한 가열 장치에 관한 것으로서, 상기 중공형 풀링 버너에서 광섬유 모재 방향으로 분사되는 불꽃을 일정각도를 갖도록 편향시켜 분사시키고, 온도 측정기를 가열되는 광섬유의 핫존과 수직한 상방 또는 하방에 설치함으로써 좀더 정확한 온도 측정을 도모할 수 있다.
Patent KR-20050045543-A (KR)
Inventor: CHOI YOUNG HO
IPC: F04B49/00
Filed: 2003-11-12
Abstract: 본 발명은 진공펌프 구동 제어장치에 관한 것으로서, 특히 입력전류에 의해 자화되는 커플러를 캠샤프트의 일측 끝단에 결합하여 커플러의 자화 여부에 따라 캠샤프트의 회전동력이 진공펌프의 회전축에 선택적으로 전달되도록 하고, 진공탱크의 진공압 충전상태 또는 브레이크페달의 작동여부에 따라 상기 커플러로 전류를 공급하는 수단을 형성하므로서, 진공펌프에 진공 충전이 필요할때에만 진공펌프가 선택적으로 구동하고, 고속주행시와같이 브레이크페달의 사용이 빈번하지 않을때에는 진공펌프가 구동하지 않도록 하여 엔진 동력의 손실을 줄여줄 수 있음은 물론 연비를 절감할 수 있도록 한 진공펌프 구동 제어장치에 관한 것이다.
Patent KR-20040103308-A (KR)
Inventor: KIM JU YEONG
IPC: G01F15/06
Filed: 2003-11-18
Abstract: PURPOSE: A counter of a rotational frequency in a number wheel of a measure is provided to prevent the generation of measured errors caused by external infrared rays though the measure is installed in a place having the large infrared radiation intensity. CONSTITUTION: An optical reflecting unit(120) reflects infrared incident light while rotating with a number wheel(110a) by sticking to the outer face of the number wheel of a measured number unit(110). An optical sensor unit(130) has two independent holes(138a,138b) in one side of an obscure case. An infrared light emission element(132) is arranged inside the first hole(138a) to emit infrared rays by receiving a driving pulse power. An infrared sensing element(134) is arranged inside the second hole(138b) to outputs an electric signal in proportion to the flowed infrared light amount. A housing(140) for fixing the optical sensor is removable in a measure wile installing the optical sensor unit therein. The first hole and the second hole of the optical sensor unit are located in a rotating passage of the number wheel to be stuck the optical reflecting unit. A part to cover the measured number potion and a measure information recording unit is transparent to read outside. The housing has an infrared isolation function to isolate the permeation of external infrared rays. A microcomputer calculates the used amount of a supplied material by counting the output pulse signals of the infrared sensing element and recognizing the rotational frequency of the number wheel. A power supply unit supplies power to the optical sensor unit and the microcomputer by using a battery power. The power supply unit generates a driving pulse signal and supplies the signal to the infrared light emission element. Thereby, the measurement errors by optical noise are removed perfectly.
Patent KR-20050049062-A (KR)
Inventor: KWON YOUNG JIN
IPC: H04N5/208
Filed: 2003-11-21
Abstract: 선명도 향상장치 및 그 방법이 개시된다.  본 선명도 향상장치는, 입력 영상 신호에서 현재 픽셀을 기준으로 소정 크기의 원도우를 설정하고, 윈도우 내의 픽셀값에 기초하여 경사값을 산출하는 경사값 산출부, 경사값의 크기에 따라 대응하는 이득값을 산출하는 이득값 산출부, 현재 픽셀과 원도우내 다른 픽셀들간의 픽셀값의 차인 미분값을 산출하는 미분값 산출부, 미분값의 크기에 따라 대응하는 픽셀간 확산량을 산출하는 확산량 산출부, 픽셀간 확산량에 각각 소정의 가중치를 두어 합산한 확산량을 산출하는 확산량 합산부, 및 합산한 확산량과 이득값을 곱한 값을 현재 픽셀값에 합산하여 출력하는 픽셀값 변환부를 구비한다.  이에 의해, 영상신호에 가중치를 가지는 확산을 적응적으로 사용하여 선명도를 향상시킬 수 있으며, 시각적으로 거슬리는 현상이나 영상신호가 왜곡되는 현상을 방지할 수 있다.
Patent KR-20040047609-A (KR)
Inventor: SCHWARTZ YITZHACK
IPC: A61M25/00
Filed: 2003-11-24
Abstract: PURPOSE: A method and an apparatus are provided to electrically insulate a pulmonary vein by forming, in a circumferential direction, a conduction block surrounding a pulmonary vein ostium. CONSTITUTION: A method for insulation of ultrasonic pulmonary vein comprises a first step of introducing an ultrasonic transducer assembly(26) into a heart around a pulmonary vein ostium; a second step of fixing the ultrasonic assembly at the pulmonary vein by using an anchor; and a third step of conducting ultrasonic energy in a path extended from the ultrasonic assembly to a circumferential ablation region of the pulmonary vein, wherein the path substantially avoids the second step.
Patent KR-20050050897-A (KR)
Inventor: YANG YOUNG CHOL
IPC: G09G3/36
Filed: 2003-11-26
Abstract: 본 발명은 표시 장치의 영상 신호 변환 방법 및 장치에 관한 것으로서, 특히 3원색 신호를 6원색 신호로 변한하는 방법 및 장치에 관한 것이다. 
     본 발명의 한 실시예에 따른 6원색의 부화소를 포함하는 표시 장치의 영상 신호 변환 방법은 3원색의 영상 신호를 입력하는 단계, 상기 영상 신호를 최대값, 중간값 및 최소값을 갖는 신호로 분류하는 단계, 상기 분류된 영상 신호를 6원색의 성분으로 분해하는 단계, 상기 6원색의 성분 중에서 최대값을 결정하는 단계, 스케일링 인자를 결정하는 단계, 그리고 6원색 신호를 추출하는 단계를 포함한다. 
     이런 방식으로, 3원색 신호를 6원색의 신호로 변환함으로써 채도 및 휘도를 증가시켜 선명한 고품위 텔레비전 등의 표시 장치를 제공할 수 있다.
Patent KR-20030096183-A (KR)
Inventor: KANG SINN LI
IPC: B01D11/00
Filed: 2003-11-27
Abstract: PURPOSE: A method for extracting propolis and a method for treating extracted propolis are provided to obtain the optimum extraction yield using dialysis membrane, effectively remove an offensive smell and obtain an extract capable of maintaining the smooth texture state even when nonwoven fabric or cloth is dipped into the extract. CONSTITUTION: The method for extracting propolis comprises a process (ST-1) of extracting first propolis by adding solvent of glycerin to solid propolis and agitating the glycerin added solid propolis; a process (ST-2) of adjusting pH of the extract to 6.0 to 7.0 by adding a pH adjusting agent to the extract; a process (ST-3) of agitating the mixture for about 10 hours by adding protease, lipase, cellulase, amylase, glucoamylase, pectinase and lactase to the extract; a process (ST-4) of extracting second extract by injecting the glycerin mixed propolis into a dialysis membrane, thereby using osmotic pressure phenomena; and a process (ST-5) of extracting a final extract at a low temperature of 44 to 46 deg.C by adding two or more volumes of ethyl alcohol to the second extract. The method for treating extracted propolis comprises a process of dipping cloth, nonwoven fabric or paper into the propolis extract; a process of coating charcoal powder on the cloth, nonwoven fabric or paper dipped into the propolis extract; and a process of drying the charcoal powder coated cloth, nonwoven fabric or paper to manufacture antibacterial mask, antibacterial paper and antibacterial fiber.
Patent KR-20050052785-A (KR)
Inventor: LEE TAE WON
IPC: H04L7/10
Filed: 2003-12-01
Abstract: 본 발명은 수신된 신호의 타이밍 복구 기술에 관한 것으로, 특히 타이밍 복구시 발생 가능한 타이밍 편차(Timing Deviation)를 검출하는 장치 및 방법에 관한 것이다. 본 발명에 따르면 수렴 정도에 따라 출력되는 락 제어 신호에 의해 타이밍 복구 루프의 대역폭을 결정하는 심볼 동기부에 있어서, 상기 심볼 동기부에서 출력되는 타이밍 주파수 신호를 입력받아 타이밍 편차를 검출하고, 타이밍 편차가 발생된 경우 상기 루프 대역폭을 기 설정한 일정 크기로 제한하는 신호를 생성하는 타이밍 편차 검출기와, 상기 락 제어 신호를 생성하고, 상기 루프 대역폭을 제한하는 신호가 생성된 경우 루프 대역폭을 기 설정한 일정 크기로 제한하는 락 제어 신호를 출력하는 타이밍 락 검출기를 포함하여 구성되어, 상기 타이밍 편차 검출기를 통해 검출되는 타이밍 편차의 유무에 따라 자동적으로 타이밍 에러의 최적의 최종 이득을 선택하도록 함으로써 전체 수신기의 심볼 복구 성능을 최적화하는 효과가 있다.
Patent KR-20050052933-A (KR)
Inventor: KIM SUNG JOONG
IPC: H01L23/48
Filed: 2003-12-01
Abstract: 본 발명은 반도체 소자의 솔더링(Soldering)에 관한 것으로서, 특히 BGA(Ball Grid Array) 타입 반도체 소자를 기판에 리솔더링(Resoldering) 하는 경우 반도체 소자의 위치를 자동적으로 잡아주어 정확한 위치에 솔더링 할 수 있도록 한 반도체 소자 솔더링 방법 및 그를 위한 기판 장치에 관한 것이다.  
     본 발명에서는 기판(50)상에, BGA 타입 반도체 소자(10)가 장착될 부분을 식별하기 위해 표시된 외곽선(52)에 접하는 여러 개의 가이드 핀(60)을 세워 설치하는 단계; 상기 여러개의 가이드 핀(60) 내측으로 BGA 타입 반도체 소자(10)를 진입시켜 반도체 소자(10)의 바닥면에 구비된 솔더 볼(12)을 상기 기판(50)의 표면에 안착시키는 단계; 상기 반도체 소자(10)의 솔더 볼(12)에 열을 가해 상기 기판(50)의 접속단자에 솔더링 하는 단계; 그리고, 상기 반도체 소자(10) 솔더링 완료 후 상기 가이드 핀(60)을 제거하는 단계를 포함하는 것을 특징으로 하는 반도체 소자 솔더링 방법과, 상기한 솔더링을 위해 기판에 여러 개의 가이드 핀(60)이 설치되는 기판 장치가 제공된다.
Patent KR-20050053374-A (KR)
Inventor: SEO JEONG KYO
IPC: G11B7/1263
Filed: 2003-12-01
Abstract: 본 발명은 레이저 다이오드 구동 회로의 온도 제어 장치에 관한 것으로, 종래에는 디지털 신호 처리 장치로 신호 라인을 적어도 하나 이상 준비하여야 하며 알에프 집적 회로에서 온도를 측정하고 이에 대한 제어를 다시 프로그래머블 방식의 레이저 다이오드 구동 회로에 명령함으로써 전력 제어를 수행해야 하는 문제점이 있었다. 이러한 문제점을 감안한 본 발명은 레이저 다이오드의 온도를 측정하여 출력하는 온도 센서와; 상기 온도 센서의 온도를 입력받아 디지털 변환하여 얻은 온도 값에 따라 기준치를 정해 기록 전략을 수정하고 레이저 다이오드의 출력 전력을 순시적으로 제어하는 레이저 다이오드 구동 회로로 구성되어 레이저 다이오드 구동 회로에서 자체 내에서 레이저 다이오드의 출력을 제어함으로써 시스템 쪽으로의 연성 회로 기판의 라인수를 절약하고 전력 제어에서의 출력의 안정성 및 제어 능력을 향상시키고 고배속 기록시에 발생하는 온도에 대한 보다 정밀한 제어가 가능해지는 효과가 있다.
Patent KR-20050054594-A (KR)
Inventor: LEE JAE HYUNG
IPC: G11C7/10
Filed: 2003-12-05
Abstract: 직류 전압 검출 회로 및 직류 전압 검출 회로를 구비하는 입력 버퍼 회로가 개시된다. 본 발명의 실시예에 따른 직류 전압 검출 회로는 수신부, 제 1 제어부, 제 2 노드 및 제 2 제어부를 구비한다. 수신부는 입력 신호를 수신하여 제 1 노드의 전압 레벨을 제어한다. 제 1 제어부는 상기 입력 신호의 전압 레벨이 소정의 전압 레벨 이상이 되면 상기 수신부를 통하여 흐르는 직류 전류를 제거한다. 제 2 노드는 상기 제 1 노드의 전압 레벨과 반대되는 전압 레벨을 가진다. 제 2 제어부는 상기 제 2 노드의 전압 특성이 히스테리시스(Hysteresis) 특성을 가지도록 제어한다. 상기 제 1 제어부는 전원 전압에 소스가 연결되고 게이트와 드레인이 서로 연결되는 다이오드 형 트랜지스터이다. 본 발명에 따른 직류 전압 검출 회로 및 직류 전압 검출 회로를 구비하는 입력 버퍼 회로는 불필요하게 소모되는 직류 전류를 줄이고 잡음에 의해서 입력 신호의 전압 레벨이 변동되어도 어느 정도 잡음의 영향을 제거할 수 있는 장점이 있다.
Patent KR-20050054783-A (KR)
Inventor: KIM JONG SAN
IPC: B41J2/455
Filed: 2003-12-06
Abstract: 본 발명은 반 시계방향으로 회전하는 광 주사 장치를 갖는 화상 출력 장치 및 방법에 관한 것으로서, 화상 출력 장치는 반 시계방향으로 회전하면서 광을 주사하는 광 주사 장치; 상기 광 주사 장치로부터 출력되는 페이지 싱크 신호에 동기되어 이미지 데이터를 출력하는 제어부; 및 비트맵 데이터를 비트별로 스와핑하여 작성된 룩업 테이블을 구비하고, 상기 제어부로부터 출력되는 이미지 데이터를 저장하고, 저장된 이미지 데이터를 역순으로 읽으면서 상기 이미지 데이터에 대응되는 비트맵 데이터를 상기 룩업 테이블에서 읽은 다음 이들을 시리얼로 결합하여 상기 광 주사 장치로 전송하는 데이터 변환부를 구비함으로써 광 주사 장치가 반 시계 방향으로 회전할 경우에도 소프트웨어를 수정하지 않고 하드웨어적으로 성능 저하 없이 정상적으로 프린트를 수행할 수 있다.