baber/WOPTO huggingface dataset:
Patent KR-20000009094-A (KR)
Title: Web document display system and method of frame structure
Inventor: LEE HWA GYEONG
IPC: G06F17/30
Filed: 1998-07-21
Abstract: PURPOSE: A web document display system and method is provided to easily see and to access web document by displaying a frame structure in web document. CONSTITUTION: The web document display system comprises a main device, and a sub device. In the display system, the main device searches web connected in network and downloads a searched document and process and displays the document. The main device also grasps a frame structure of the document and generates an information and displays a content of frame to screen by a frame selection signal. The sub device displays the frame structure to screen according to the frame structure information from the main device. The second device selects displayed frames in respectively and generates the selection signal to the main device.
Patent KR-20000009415-A (KR)
Title: Deposit type cathode of crt and manufacturing method thereof
Inventor: PARK JAE DONG
IPC: H01J9/02
Filed: 1998-07-24
Abstract: PURPOSE: A deposit type cathode of CRT and manufacturing method thereof is provided to simply form a bending part or porous part, to reduce costs by the structure having larger surface area than prior art, to enhance current density, and to greatly reduce the operation temperature. CONSTITUTION: The present invention discloses a deposit type cathode of CRT comprising a pallet(12) which bends are formed in its surface by melting molybdenum contained in its surface. And, the present invention discloses the manufacturing method of the deposit type cathode comprising: a step inputting tungsten powder on a lower punch(P2), inputting molybdenum powder on it, and pressing both; and a step depositing the pressed pallet(12) into solution consisted of acetic acid, lactic acid and pure water(1:3:2) to melting the molybdenum.
Patent KR-19990023269-A (KR)
Title: 액막형성장치 및 액막형성방법
IPC: B05D1/00
Filed: 1998-07-31
Abstract: 액막형성장치는, 패턴을 형성해야 할 면이 윗쪽을 향하도록 기판을 실질적으로 수평으로 유지하는 기판유지부와, 이 기판유지부에 유지된 기판의 주위를 둘러싸고, 이 기판의 윗면과 같거나 또는 그것에 근사한 레벨의 액받음면을 갖는 액받음대와, 상기 기판의 유효영역의 폭과 같거나 또는 그것보다도 긴 처리액의 토출부를 갖는 공급노즐과, 이 공급노즐의 길이에 직교하는 방향으로 이 공급노즐을 이동시키는 이동기구를 구비하며, 상기 기판유지부는, 상기 액받음대와 기판의 바깥둘레끝단부와의 상호 간극으로 처리액이 유출되지 않도록 이 간극을 시일하는 것으로서, 상기 공급노즐에 의해 상기 액받음대 상으로 처리액을 공급하여 액도포를 행하고, 이어서 공급노즐을 이동시키면서 이 공급노즐로부터 처리액을 토출시켜 기판 표면의 전체에 걸쳐 처리액을 액도포한다.
Patent KR-20000014483-A (KR)
Title: Qam mapper and demapper for cable down stream transmission
Inventor: CHE GAL-HYUN
IPC: H04L27/34
Filed: 1998-08-21
Abstract: PURPOSE: A QAM mapper and demapper capable of performing mapper and demapper of QAM symbol according to various differential coding methods using a simple logic circuit is provided. CONSTITUTION: A QAM mapper and demapper comprising: a common calculator(700) for exclusive-ORing previous coded bits, exclusive-ORing current coded bits, and logically combining the two calculating results; an X1 calculator(710) for exclusive-ORing an intermediate bit obtained by logically combining an upper bit of the previous coded bits and an upper bit of the current coded bits, and an output bit of the common calculator(700), and determining an upper bit of a phase information symbol; and an X2 calculator(720) for exclusive-ORing an intermediate bit obtained by logically combining a lower bit of the previous coded bits and a lower bit of the current coded bits, and an output bit of the common calculator(700), and determining a lower bit of the phase information symbol.
Patent KR-19980082089-A (KR)
Title: 점토필터 및 그 제작법
Filed: 1998-08-19
Abstract: 본 발명은 산업용 폐수처리장치 및 생활 오수처리장치 등의 필터에 관한 것으로서, 전국 각지에서 손쉽게 채취가능한 점토를 이용한 필터(이하 점토필터로 표기함)로, 제작이 용이하고 제작비가 극히 낮은 고효율의 필터에 관한 것이다. 
     본 발명은 점토에 첨가제(활성탄, 규조토 등)를 혼합하여 원판형 또는 원통형으로 l차 성형하고 일정시간 자연건조 후 1차 성형시 혼합한 첨가제에 비해 입도가 작은 첨가제가 혼합된 점토액, 또는 첨가제를 혼합하지 않은 점토액 또는 잿물을 원판형필터의 한쪽면을 반복코팅하고, 원통형필터의 경우는 외벽만을 반복코팅해서 일정두께의 미세층을 만들고 이를 가열로에서 가열경화시켜 얻어지는 점토필터이다. 
     또한, 처리하고자하는 오, 폐수의 특성 또는 부유물질의 량에 따라 첨가제(활성탄, 규조토 등)의 조성을 달리하는 방법으로 인위적으로 원하는 입도의 크기로 필터제작이 가능함으로 오,폐수의 부유물질의 성질에 맞게 필터의 제작이 가능한 특징을가진 점토필터 및 그 제작법에 관한 발명이다.
Patent KR-20000014798-A (KR)
Title: Beam using tailored welded blank and hydroforming molding manner and production method thereof
Inventor: HAN YU HEE
IPC: B23K26/21
Filed: 1998-08-25
Abstract: PURPOSE: A beam using a tailored welded blank and a hydroforming molding manner and its production method are provided to reduce the weight, to reduce the producing costs, and to easily mold in a form wanted to design. CONSTITUTION: The beam using a tailored welded blank and a hydroforming process has:a first and a second tailored welded blanks(110, 120); the first tailored welded blanks(110) having a first plate(111) having a first thickness(t1), and a second and a third plates(112, 113) connected each in the both ends of the first plate(111) by a laser welding; the second and the third plates(112, 113) having the second and the third thickness(t2, t3); the second and the third thickness(t2, t3) having the thickness differed from the first thickness(t1); the welding blank(120) having a fourth plate(121) having a fourth thickness(t4), and a fifth and a sixth plates(122, 123) connected each in the both ends of the fourth plate(121) by the laser welding.
Patent KR-19990024019-A (KR)
Title: 타이밍을 외부 시스템에 제공하는 장치 및 방법
IPC: H04Q3/00
Filed: 1998-08-29
Abstract: 국부 타이밍 유닛을 제 1 스위칭 시스템내의 표준 타이밍 유닛에 동기화시켜 외부 링크와 상기 국부 타이밍 유닛간의 타이밍차를 결정한다.  그 후 상기 타이밍차는 상기 표준 타이밍 유닛으로 전송되며, 상기 표준 타이밍 유닛은 상기 정보를 이용하여, 상기 외부 링크의 주파수를 제 2 스위칭 시스템으로 출력하는 주파수 합성기를 조정한다.  상기 국부 타이밍 유닛은 상기 제 1 스위칭 시스템의 스위칭 네트워크내 스위칭 유닛에 제공된 다중 타이밍 경로를 통해 상기 표준 타이밍 유닛에 동기화된다.  상기 국부 타이밍 유닛으로부터 전송된 상기 타이밍차는 상기 스위칭 유닛에 제공된 복수의 제어 경로를 통해 전송된다.  각 스위칭 유닛은 상기 제 1 스위칭 시스템에 접속된 상기 외부 링크들 각각을 통해 수신되는 데이터의 각 그룹에 대한 1 비트의 데이터를 스위칭한다.  상기 제 1 스위칭 시스템에 접속된 임의의 상기 외부 링크는 상기 제 2 스위칭 시스템에 대한 타이밍 정보를 제공하는데 이용될 수 있다.
Patent KR-20000018837-A (KR)
Title: Valve assembly
Inventor: JANG GI SEON
IPC: F16K1/00
Filed: 1998-09-05
Abstract: PURPOSE: A valve assembly is provided to easily combine a second valve with a first valve even by excluding an additional connecting piece. CONSTITUTION: A valve assembly is assembled by the steps of: moving a supporting frame(2) to a body(1); closely contacting an inserting unit(21) of a second valve body(20) approximately facing a receiving unit(11); contacting the end of the inserting unit to an inclined surface(11a) by the combining error before inserting the end into the receiving unit if continuing to contact; inserting the inserting unit into the receiving unit by sliding along the inclined surface; returning the elastic force of an elastic member(34) by pressing a first valve body(10) with friction force caused by contact of a first sealing member(38) with the inner circumference of the receiving unit; and moving the first valve body to a guide bar(32). Therefore, the valve assembly can prevent components from being damaged by absorbing the shocks transferred to the body, caused by the contact of the receiving unit with the inserting unit even when quickly combining the second valve body to the first one.
Patent KR-20000020314-A (KR)
Title: Method for fabricating transistor of nmos field effect
Inventor: KONG MYUNG KOOK
IPC: H01L21/8232
Filed: 1998-09-19
Abstract: PURPOSE: A method for fabricating a transistor Nmos field effect is provided to improve the short channel effect and increase a saturation current and improve the leakage current characteristics and HCI(Hot Carrier Injection) characteristics. CONSTITUTION: A method for fabricating a transistor Nmos field effect is to fabricate an NMOS transistor of LDD(Lightly Doped Drain) structure. An As ion implantation is additionally performed after P ion implantation in LDD ion implantation in. The short channel effect is improved since As hardly diffuses, and the saturation current is increased by the reduction of the extrinsic source/drain parasitic resistance. And the junction capacitance is reduced because P determines the dopant profile on the outer corner of the LDD structure. The method comprises the steps of: forming a gate electrode pattern on a semiconductor substrate(20); forming a first LDD region(23) by performing P ion implantation into an active region of the semiconductor substrate; forming a second LDD region(24) by performing As ion implantation into the first LDD region; forming an insulation film spacer(25) on a side wall of the gate electrode pattern; and forming an ion implanted region(26) where N dopants are doped heavily than the first and the second LDD region on the active region.
Patent KR-20000027434-A (KR)
Title: Aviation photograph system
Inventor: KIM JAE DONG
IPC: G01C11/00
Filed: 1998-10-28
Abstract: PURPOSE: An aviation photograph system is provided to photograph an image with a good quality by installing a camera to a lower portion of a front side of a helicopter, recording a video signal photographed from the camera to a VCR and simultaneously displaying the recorded video on an adjusting seat. CONSTITUTION: A body(40) of a helicopter flies in the air for an aviation photography. A main rotor(50) and a tail rotor(55) flies the helicopter in the air. A camera(10) is installed to a front direction of the helicopter and photographs an external shape. A skid(45) supports the body(40) from the ground and guides a stable landing. A control unit(80) controls an aviation of a pilot and the aviation photography. The control unit(80) adjusts the main rotor(50) to adjust a direction of the helicopter, controls a zoom, and switches a VCR. The control unit(80) controls a direction of the camera(10) and adjusts a focus to a photograph object.
Patent KR-20000028170-A (KR)
Title: Method for setting up present time on tv
Inventor: KIM KWANG CHEOL
IPC: H04N5/445
Filed: 1998-10-30
Abstract: PURPOSE: A method for setting up present time on TV is provided to set up the present time, by inputting the present time according to a key operation of a user after an item of the present time is selected, when the user sets up the present time, by displaying a predetermined OSD(On Screen Display) menu screen including other setup items except the present time. The method is provided to prevent the error by operating as the present time, by applying the inputted present time to an inner timer when the present time is moved to other items. CONSTITUTION: A method for setting up present time on TV comprises the steps of: displaying an OSD(On Screen Display) menu including present time, automatic on-time, automatic off-time, and a tuning channel, when a predetermined key for setting up the present time is inputted; temporarily storing the present time according to the input of the applied key, when an item of the present time is selected by the input of the key; correcting/setting up/maintaining/starting present time of an inner timer by using the present time inputted until now, when a key for moving items is inputted after the input of the present time is completed.
Patent KR-20000028411-A (KR)
Title: Method for processing overload in atm switching system
Inventor: KO MOON JOON
IPC: H04L12/803
Filed: 1998-10-31
Abstract: PURPOSE: A method for processing overload in an ATM switching system is provided to enable to perform an effective network function when an overload occurs in the whole network, by taking an appropriate action so that an excessive cell loss does not occur. CONSTITUTION: BY a method for processing overload in an ATM switching system, other front switching system recognize the overload occurrence of an ATM(Asynchronous Transfer Mode) switching system using an EFCN cell(Explicit Forward Congestion Notification Cell) and an RM cell(Resource Management cell). The method comprises the processes of: creating an overload transfer information by checking whether data of a common memory and a FIFO(First In First Out) buffer are piled over a fixed amount; establishing EFCN cell by finding all cell going via a port where an overload occurs based upon analyzing the overload transfer information; and notifying the occurrence of a switch overload to other front switching system.
Patent KR-20000032209-A (KR)
Title: Container for keeping liquid phase content
Inventor: JO SANG JUN
IPC: B65D25/00
Filed: 1998-11-13
Abstract: PURPOSE: A keeping container is provided to make a liquid phase content smoothly come out. CONSTITUTION: When a container(10) is stood upside down, a liquid phase content inside a connection tube(14) runs down along with an outlet(12). At the same time, the air contained in the original container(10) rises on a floor face(13). If the liquid phase content runs down, it can softly ran down through the outlet since the air of the outside is supplied into an inner part. In addition, it is possible to softly discharge the content since the air going into the container is discharged or flowed in through each additional route.
Patent KR-19990062630-A (KR)
IPC: F24F13/068
Filed: 1998-11-27
Abstract: An air outlet vent (1) adapted to be mounted in a floor (6) and connected to a heating, ventilating and air-conditioning air supply duct (30) includes a cylindrical housing (2) and a cover plate (4) that covers the top open end of the housing (2). The plate (4) includes a first group of air outlet openings in the form of concentric circular arcuate slits (11) extending over a first sector of the plate (4), and a second group of air outlet openings in the form of radially extending slits (12) in a second sector of the plate (4). The plate (4) is rotatably adjustable in the housing (2). With this arrangement, the direction of the main air flow axis of the air flow pattern generated by the vent can be infinitely rotationally adjusted around an imaginary inverted cone, to direct the air flow where desired and avoid undesirable drafts, while still providing a highly turbulent twisting or spiraling air flow characteristic.
Patent KR-20000034396-A (KR)
Title: Method for heat treating martensite type stainless steel with high strength
Inventor: CHOI DU YEOL
IPC: C21D8/00
Filed: 1998-11-30
Abstract: PURPOSE: A method for heat treating a marten site typed stainless steel with high strength is provided to finely distribute a carbide for repressing the generation of cracks in a deformation while having high strength. CONSTITUTION: A marten site typed stainless steel contains 0.1-0.5% of C, 11-15% of Cr, and the remnant of Fe and impurities. The marten site typed stainless steel is solution-treated in an austenite single-phase area for completely employing the C in the austenite base and for being cooled rapidly to form an excessively saturated marten site phase. Then, the marten site phase is tempered at a temperature of under 800°C for finely precipitating carbide on the base of the marten site phase generated by rapid cooling. And, the crystal grains, which are coarse by the rapid cooling, are solution-treated at the temperature within austenite+M23C6 for the crystal grains to be fine.
Patent KR-20000037533-A (KR)
Title: Controller for return fine ore and coke ratio using fuzzy control
Inventor: KIM YONG GYUN
IPC: F27B21/08
Filed: 1998-12-01
Abstract: PURPOSE: A controller for return fine ore and a coke ratio is provided to compensate return fine ore output amount with a fuzzy controller and to increase sintering ore quality by compensating coke cutting amount together with return fine ore cutting amount. CONSTITUTION: A compensating value of the set return fine ore output ratio is input to a return fine ore ratio device(39). The ratio device compensates the input return fine ore output ratio and feeds the ratio to a first return fine ore controller(40). The first controller sets the return fine ore ratio and the ratio is divided into two parts by a ratio divider(41). Each part of the ratio is fed to a 1,2 second return fine ore controller(44,45). The two second return fine ore controllers control a first and a second cutter motor(24,25). Also, cokes compensating ratio is input to a coke ratio device(64), The ratio device sets a coke obtained ratio to input the ratio to a first and a second coke cutting controller(62,63). The controllers compare coke obtained amount with the coke obtained setting amount in order to control motors(52,53). Then, cokes amount is compensated depending on return fine ore amount.
Patent KR-20000041151-A (KR)
Title: Magnesia-alumina-silicon carbonate-carbon type refractory and preparation thereof
Inventor: LEE SEUNG JE
IPC: C04B35/035
Filed: 1998-12-21
Abstract: PURPOSE: Magnesia-alumina-silicon carbonate-carbon type refractory and preparation thereof are provided, which is used in an electric furnace, to improve the resistance to oxidative, the resistance to spall, thermal strength and the resistance to corrosion, and offer the thus-obtained high quality and longer life time thereof. CONSTITUTION: A magnesia-alumina-silicon carbonate-carbon type refractory is characterized by comprising a magnesia, an alumina, a silicon carbonate, silicon metals, a boron carbonate and a carbon black. First, 5 to 80 wt% of magnesia, 5 to 80 wt% of alumina, 5 to 10 wt% of silicon carbonate and 0.1 to 2 wt% of boron carbonate are mixed. Secondly, the first mixture is again mixed with 1 to 3 wt% of silicon metal, 0.1 to 2 wt% of boron carbonate and 2 to 7 wt% of carbon black having 20micrometer or less average diameter, on the basis of a total weight of the first mixture. The preparation thereof is characterized in that the second formulation is incorporated into phenol resin type compound as a binder in its ratios of 4 to 5 wt%, to form them, reduce them and then sinter them.
Patent KR-20000041763-A (KR)
Title: Mounting structure for roof side outer cover of vehicle
Inventor: CHO SEONG MAN
IPC: B62D25/04
Filed: 1998-12-23
Abstract: PURPOSE: A mounting structure for a roof side outer cover is provided to increase assembling property of the roof side outer cover, to enhance the external of a vehicle with the cancel of a sealer and adjustment of a gap and to remove the loosening phenomenon of the cover. CONSTITUTION: A weather strip(140) is connected to the end of a roof panel(22) and a roof side cover assembly(200) is inserted into a center pillar outer panel(24) with a nut. A center pillar glass(26) is inserted into a center pillar glass molding(29). The weather strip seals the gap between a cover body(202) and a roof panel(22) and then a sealer is unnecessary. Also, the cover body is integrally connected with the center pillar glass molding so that assembling property is enhanced.
Patent KR-20000043740-A (KR)
Title: Method of allocating multi categories in automatic document classifying system
Inventor: LEE JONG HYEOK
IPC: G06F17/21
Filed: 1998-12-29
Abstract: PURPOSE: A method for allocating multi categories is provided to allocate categories adjusted to contents of documents by stages, after allocating appropriate categories to each document in an automatic document classifying system. CONSTITUTION: A method of allocating multi categories in an automatic document classifying system, comprises the steps of: selecting words predicting categories, and composing a list of category/word pairs; expressing learning documents as corresponding words and importance of the words by referring to the list, and storing the learning documents as inverse index files; selecting example documents which are most similar to documents for being newly classified, among the learning documents in a learning document set; calculating classified category possibilities for the newly-classified documents, and allocating a category only having a highest possibility in each step, then allocating categories to the newly-classified documents.
Patent KR-20000045131-A (KR)
Title: Pulverized coal burner for reducing nox
Inventor: LEE GI PUNG
IPC: F23D1/00
Filed: 1998-12-30
Abstract: PURPOSE: A pulverized coal burner is provided to partially increase fuel and air content at the outlet of a burner and to reduce NOx(nitrogen oxyde) by concentrating or dispersing pulverized coal. CONSTITUTION: Primary air flows toward a furnace through a pulverized coal nozzle(44) by rotating a rotary block unit(54). The density of pulverized coal is increased from the inside to the outside of the furnace and rarefied in the center by changing the channel of the pulverized coal and primary air with a block(52). Therefore, the nitrogen elements of the pulverized coal are changed into nitrogen molecules and NOx is reduced through reduction.
Patent KR-20000046149-A (KR)
Title: Method for compensating channel distortion and apparatus thereof
Inventor: NAM HO JOON
IPC: H04N5/21
Filed: 1998-12-31
Abstract: PURPOSE: A method for compensating channel distortion and an apparatus thereof are provided to handle channel distortion when dynamic ghost is present. CONSTITUTION: A method for compensating channel distortion includes a first thru a forth steps. At the first step(701), equalization is performed in training sequence mode when an equalizer is not likely to diverge and no dynamic ghost exists on the channel. At the second step(712), equalization is performed in blind mode when the equalizer is likely to diverge and no dynamic ghost exists on the channel. At the third step(710), equalization is performed in data mode when the equalizer is not likely to diverge and dynamic ghost exists on the channel. At the forth step(711), equalization is performed in data and blind mode simultaneously when the equalizer is likely to diverge and dynamic ghost exists on the channel.
Patent KR-19990028854-A (KR)
Title: 트리케톤 유도체
IPC: C07D409/06
Filed: 1996-07-05
Abstract: 하기 화학식(I)으로 표시되는 유도체는 옥수수 등의 작물에 약해가 없고, 광범한 농경지 잡초를 적은 양의 약물로 방제할 수 있다: 
     화학식 I 
     
       
     
     (식 중, Y 1 , Y 2 , Y 3 , Y 4 , n, p, R 1 , R 2 , R 3 , R 4 및 X는 특허청구범위에 기재된 바와 같다).
Patent KR-19990044262-A (KR)
IPC: A61P31/18
Filed: 1996-08-30
Abstract: Methods for improving the cellular uptake of protease inhibitors (e.g., HIV protease inhibitor), alone or in the presence of one or more additional therapeutic agents, in protease inhibitor-based therapies, involving administration of one or more AAG-binding compounds, such as macrolide or lincosamide antibiotics, which have sufficient binding affinity for AAG to competitively bind AAG in the presence of the protease inhibitor.
Patent KR-19990064155-A (KR)
Title: 수용체 매개된 트랜스활성화에 의해 식물에서 유전자 발현을조절하기 위한 화학적 리간드로서의유충 호르몬 또는 이의효능제
IPC: C12N15/09
Filed: 1996-09-27
Abstract: 본 발명은 식물에서의 유전자 발현을 조절하는 방법에 관한 것이다.  구체적으로, 본 발명의 방법은 USP 수용체를 암호화하는 USP 수용체 발현 카셋트 및 표적 폴리펩티드를 암호화하는 하나 이상의 표적 발현 카셋트를 사용하여 식물을 형질전환시키는 것을 포함한다.  상기 형질전환된 식물을 유충 호르몬 또는 이의 효능제와 접촉시킴으로써, USP 수용체 폴리펩티드의 존재하에 표적 폴리펩티드의 발현이 활성화된다.  임의로, USP와 다른 수용체 폴리펩티드를 암호화하는 추가의 "제2" 수용체 발현 카셋트를 사용할 수도 있다.  본 발명의 방법은 식물 수정과 같이 농업적으로 중요한 여러가지 특성을 조절하는데 유용하다.  또한, 사전에 알려져 있지 않은 USP에 대한 리간드를 확인하는 방법이 기술되어 있다.  시험 물질은 USP 수용체 발현 카셋트 및 표적 발현 카셋트로 형질전환시킨 식물 세포와 시험 물질을 접촉시킴으로써 확인된다.  표적 발현 카셋트는 리포터 폴리펩티드를 암호화하는데, 이의 발현은 정량적 또는 정성적으로 측정될 수 있고, 이에 의해 시험 물질이 USP에 대한 리간드로서 확인된다.
Patent KR-20000064299-A (KR)
Title: 액정 패널 및 그것을 이용한 전자기기
IPC: G02F1/1334
Filed: 1997-09-02
Abstract: 액정패널(1)과 그 안면측의 배경 표시부(2)를 구비하는 2층 표시형의 전자기기이다. 액정패널(1)은, 제 1기판(11)과 제 2기판(15)과의 사이에 액정층(13)을 봉입하여 이루어지는 액정패널 본체(10)를 갖는다. 액정층(13)은, 액정에 인가되는 전계에 의해, 광투과 상태와 광 산란상태로 설정된다. 이 액정패널(1)은, 제 2기판(15)의 안면에 투명층(21)을 갖는다. 이 투명층(21)의 굴절율을 n 1 으로 하며, 상기 투명층의 표면측에서 접하는 제 2기판(15)의 굴절율을 n O 으로 하며, 투명층(21)의 안면측에서 접하는 공기층의 굴절율을 n 2 로 한때, n 2 <n O <n 1 의 관계가 성립된다.
Patent KR-19990077108-A (KR)
Title: 광디스크장치
IPC: G11B7/007
Filed: 1996-01-16
Abstract: 상기 기록트랙에 광스폿(Ls)을 집속함으로써 광디스크(1)에 형성된 기록트랙으로부터 신호(Sd)를 재생하는 광디스크장치(P7)는 교정 데이터 발생기(220)를 구비한다. 교정 데이터 발생기(220)는 지터에 상기 재생된 신호(Sd)를 야기하기 위해 여러 교정 데이터 패턴(SP, SR)을 저장하는 다수의 ROM(300)을 지닌다. 교정 데이터 기록 제어기(210)는 특정 교정패턴(SP)을 광픽업 유닛(Os)에 선택적으로 출력하여 상기 특정 패턴(SP)을 광디스크(1)의 교정 데이터 트랙영역(23)에 기록하기 위해 교정 데이터 발생기(220)를 제어한다.
Patent KR-19990082042-A (KR)
Title: 전압 정류 장치
IPC: H02M7/219
Filed: 1997-11-27
Abstract: 본 발명은 전압 정류 장치에 관한 것으로서, AC 전압을 위한 2개 입력단자(BE1,BE2), 반도체 기판(SBS)내 집적기술을 사용하여 만들어진 정류수단, 및 정류된 전압을 위한 2개 출력단자(BS1,BS2)로 이루어지고, 이들 출력단자중의 한 단자(BS1)는 기판 레벨에 위치되며, 정류 수단은 기판과 연결된 그 전극(D1,D2)중의 하나와 다이오드와 같이 장착된 한쌍의 제 1 절연게이트 전계효과 트랜지스터(T1,T2), 및 2개 입력단자를 통해 연결되고 교차된 게이트로 바이어스된 반도체 웰내에 각각 배치된 한쌍의 제 2 절연게이트 전계효과 트랜지스터(T3,T4)로 이루어지고, 제 1 및 제 2 트랜지스터는 도전하는 경우 소정의 전압 이하인 드레인/소스 전압 및 반대 타입의 채널을 갖는 것을 특징으로 한다.