baber/WOPTO huggingface dataset:
Patent KR-20020039124-A (KR)
Title: Wet reclaiming apparatus for sorting out stones
Inventor: YOO GIL MUN
IPC: B02C23/08
Filed: 2000-11-20
Abstract: PURPOSE: A wet regenerated aggregate sorting apparatus is provided to easily sort regenerated gravel and regenerated sand from regenerated aggregate, and to restrict the generation of dust during a sorting process. CONSTITUTION: The wet regenerated aggregate sorting apparatus is comprised of a water tank(100), a rotatable drum(110) mounted in the water tank and having plural buckets(112) on the inner circumferential surface, a pulverized construction waste input part(200), a sorted aggregate discharge part(300), and a suspended solids filtering part. The water tank has a hopper form, the bucket is drilled with a sorting hole having a diameter of 5 to 50mm, a sludge discharge device is connected to the lower part of the water tank, and a screen is provided to sort mixture discharged from the sludge discharge device.
Patent KR-20020040977-A (KR)
Title: Multimedia query and retrieval system using progressive histogram
Inventor: KIM HYEON JUN
IPC: G06F17/30
Filed: 2000-11-25
Abstract: PURPOSE: A method for multimedia search using a gradual histogram is provided to search information by using the transmitted part of a histogram even if transmission of the histogram is stopped by composing the histogram of bins in the priority order. CONSTITUTION: The method comprises steps of setting up the priority of each bin composing a histogram of a multimedia object corresponding to the viewpoint of comparative search and comparing histograms based on the priority order by using bin priority information. The priority information is obtained based on user feedback information about a similar or non-similar object or group information about a similar object. The priority of a bin is determined proportional to similarity of a similar multimedia object or inverse proportional to a difference of a non-similar multimedia object. The priority of a bin is determined by referring to dispersion and average of multimedia objects. Multimedia search is performed by comparative search of the histogram bins transmitted by the priority information.
Patent KR-20020041648-A (KR)
Title: A reinforcement structure of join panel which is front of upper in car
Inventor: CHOI IN HO
IPC: B62D25/06
Filed: 2000-11-28
Abstract: PURPOSE: A reinforcement structure of a connection panel positioned on the entire top of a vehicle is provided to protect the vehicle by increasing the stiffness of the connection panel and prevent the inward movement of the connection panel for protecting a driver and passengers. CONSTITUTION: A reinforcement structure of a connection panel positioned on the entire top of a vehicle includes inner and outer panels(2,3), an auxiliary reinforcement element(4) formed with a plurality of holes(5) by a predetermined interval, and a pipe(6) fixed to a side of the auxiliary reinforcement element by welding via the holes.
Patent KR-20020042960-A (KR)
Title: Field emission display having horizontal type field emission emitter and method for fabricating the same
Inventor: CHO GYEONG IK
IPC: H01J1/30
Filed: 2000-12-01
Abstract: PURPOSE: A field emission display having a horizontal field emission emitter and a method for fabricating the same are provided to drive the field emission display under a low voltage by using a horizontal carbon nano tube emitter. CONSTITUTION: An insulating layer(41) is formed on a lower substrate(40). A conductive layer pattern(42) is formed on the insulating layer(41). The first insulating layer(43) having the first opening portion is formed on the conductive layer pattern(42). A plug is formed within a contact hole(44) for exposing the conductive layer pattern(42). A catalysis metal layer pattern(45) is connected with the plug of the contact hole(44). A carbon nano tube field emission emitter(46) is formed on one side of the catalysis metal layer pattern(45). The second insulating layer(47) having the second opening portion is formed on the carbon nano tube field emission emitter(46) and the first insulating layer(43). An electron beam control electrode(48) is formed on the first insulating layer(43). An anode electrode(49) is formed on one side of the first opening portion and one side of the second opening portion. A fluorescent layer(50) is formed on the anode electrode(49). An upper substrate(51) is bonded parallel with the lower substrate(40). A spacer(52) is used as a support portion.
Patent KR-20020044263-A (KR)
Title: Method of forming a copper metal wiring in a semiconductor device
Inventor: PYO SEONG GYU
IPC: H01L21/28
Filed: 2000-12-05
Abstract: PURPOSE: A method for fabricating a copper metal interconnection of a semiconductor device is provided to embody a very uniform burying characteristic, by forming a diffusion barrier layer and by performing an oxygen or ozone plasma treatment process after a chemical enhancer treatment is performed. CONSTITUTION: An interlayer dielectric(12) is formed on a semiconductor substrate(11) having a predetermined lower structure. After a damascene pattern is formed in the interlayer dielectric, a cleaning process is performed. The diffusion barrier layer(13) is formed on the resultant structure. The chemical enhancer treatment is performed, and the oxygen or ozone plasma treatment process is carried out. A copper layer(14) is formed on the resultant structure to bury the damascene pattern. The copper layer is polished to expose the interlayer dielectric so that the copper metal interconnection is left only in the damascene pattern.
Patent KR-20020047725-A (KR)
Title: Device for exchanging the knife of crop cutting machine
Inventor: HWANG YEONG JU
IPC: B21B39/00
Filed: 2000-12-14
Abstract: PURPOSE: An apparatus for automatically exchanging a knife of a crop cutting machine is provided which not only reduces working man-power, but also prevents safety accidents by simplifying working process in case of exchanging a damaged knife mounted onto the crop cutting machine. CONSTITUTION: The apparatus for automatically exchanging a knife of a crop cutting machine comprises a lower saddle onto the inner circumferential surface of which a lower knife is bolted in the state that the lower saddle is fixed to a concave groove of a lower knife head through a clamping head of a hydraulic cylinder(10), and on both side walls of which a side surface block equipped with a resting groove and a catch hole(23) is mounted; an upper saddle onto the inner circumferential surface of which an upper knife is bolted in the state that the upper saddle is fixed to a concave groove of an upper knife head(110) through a clamping head of a hydraulic cylinder(10'), and on both side walls of which a resting bar inserted into the resting groove is mounted; a lift unit(40) which is ascended or descended through gear appliances(42,43) operated by a lift cylinder(41) in the state that the lift unit(40) is positioned at the side part of the lower knife head, and on the upper body surface of which a catch protrusion(44) inserted into the catch hole(23) is projected; and a transfer unit(50) which is horizontally moved along guide rails(45) through gear appliances operated by a motor in the state that the transfer unit(50) is positioned at the upper part of the lift unit(40), and on the upper body surface of which a mounting surface on which the upper and lower saddles are rested is formed.
Patent KR-20020048511-A (KR)
Title: Positive-Acting Photoresist Composition and Imageable Element
Inventor: LEVANON MOSHE
IPC: G03F7/039
Filed: 2000-12-18
Abstract: PURPOSE: A positive-acting photoresist composition containing a specific kind of heat sensitive polyvinyl acetal as an endothermic component, adhesion promoter and resin binder component is provided. A heat sensitive composition containing the photoresist composition provides a lithography base having improved wear resistance and enhanced compression capacity and can be treated in an aqueous alkaline solution containing no organic solvent. CONSTITUTION: The positive-acting photoresist composition has a positive-acting photoresist structure equipped with a metal lower layer, alloy lower layer or printing plate containing one or more metal surfaces attached with a positive-acting resist layer. The positive-acting photoresist structure contains an acetal polymer of formula 1 and 0.01 to 20% by weight of an infrared absorbent material, based on the weight of the positive-acting resist layer. In formula, R1 is -CnH2n+1(n=1 to 12), R2 is a formula 2 and 3.
Patent KR-20020050321-A (KR)
Title: Scaffolding system
Inventor: HAM JEONG JU
IPC: E04G1/18
Filed: 2000-12-21
Abstract: PURPOSE: A safety footstep system is provided to maximally increase working space when building a retaining wall or constructing a structure to previously prevent accidents and to actively respond various working environments by making the footstep parallel to ground independently to slope of the retaining wall. CONSTITUTION: The footstep system comprises a plurality of footstep supports(4) including a support portion(2) horizontally mounted outside a retaining wall or a mould(F) for the wall, a vertical frame(20) connected to one side of the support portion(2) and a horizontal frame(22) rotatively engaged to one front end of the vertical frame(20); a footstep(6) seated on the horizontal frame(22); and a guide portion(8) to prevent accidental fall. The support(4) further includes an angle control portion(24) to adjust angles of the vertical and the horizontal frames(20,22).
Patent KR-20020051619-A (KR)
Title: Defroster of automobile air conditioner
Inventor: LIM TAEK
IPC: B60H1/00
Filed: 2000-12-23
Abstract: PURPOSE: A device for defrosting of air conditioner of vehicle is provided to improve defrosting performance on initial starting by removing water drops or moisture condensed on an evaporator in advance. CONSTITUTION: A device includes an air blowing motor(140); a time control unit(700); a time intermittent device(800); and a plurality of relays(920,940,960). The air blowing motor receives electric signal to rotate normally and reversely. The time control unit supplies current of a battery(600) to the air blowing motor for fixed period after a starting switch(500) is cut to rotate the air blowing motor reversely. The time intermittent device repeats on/off operation at fixed period to supply and intercept current of the battery supplied from the time control unit to the air blowing motor. The relays open and close a circuit connected with the time control unit according to operation of the time intermittent device.
Patent KR-20020053891-A (KR)
Title: Spacecraft command signal generator
Inventor: CHOI JONG YEON
IPC: H04B7/185
Filed: 2000-12-26
Abstract: PURPOSE: A satellite command signal generating apparatus is provided to ensure a security of an artificial satellite desired to be tested by generating and transmitting an upward satellite command signal required by a satellite communication system and a clock signal for synchronization and re-receiving the transmitted signal. CONSTITUTION: A FIFO(6) stores a satellite command signal inputted to a V ME(Versa Module Euro)bus input/output ports(1,2). A parallel/serial converter(7) converts a parallel signal stored in the FIFO(5) into a serial signal. An encoder(8) converts the serial signal converted in the converter(7) from an NRZ-L signal level to an NRZ-M signal level. An RS422 line driver(9) converts the level-converted signal into a satellite transmission signal level. A line driver(11) converts a level of a signal inputted from a satellite command/clock signal input port or external clock signal input port(5). A decoder(12) converts a signal applied from the line driver(11) from the NRZ-M signal level to an NRZ-L signal level. Serial/parallel converter(13,14) converts the signal converted in the decoder(12) into a parallel signal. A comparator(15) compares the signal converted by the serial/parallel converter(13) with a synchronous pattern mixed with a transmission command signal. A FIFO(17) stores a reception signal converted by the serial/parallel converter(14) if the signal and the pattern are identical upon comparing. Counters(10,16) synchronizes a clock signal, and a satellite command signal is modulated by a satellite modulation board into an RF signal and transmitted to a satellite.
Patent KR-20020052474-A (KR)
Title: A method for forming a capacitor of a semiconductor device
Inventor: YOON HUI YONG
IPC: H01L27/105
Filed: 2000-12-26
Abstract: PURPOSE: A capacitor formation method of semiconductor devices is provided to enhance capacitance by using a barrier metal film having a thick thickness. CONSTITUTION: An etch stopper(15) and an oxide layer(17) are sequentially formed on a semiconductor substrate(11) having a contact plug(13). A storage electrode region is defined by selectively etching the oxide layer(17). After filling a barrier metal film(20) into the storage electrode region, the barrier metal film(20) is partially removed by etch-back so as to expose the oxide layer(17). After forming a first conductive layer(21) on the barrier metal film(20), a second conductive layer is formed at both sidewalls of the first conductive layer(21).
Patent KR-20020054156-A (KR)
Title: Angular alternating periodic motion type reluctance motor
Inventor: LEE DONG IL
IPC: H02K19/06
Filed: 2000-12-27
Abstract: PURPOSE: A reciprocating type magnetic resistance motor is provided to improve an efficiency according to a resonance by reciprocating and resonating a rotator at a determined angle. CONSTITUTION: A rotator(20) is rotatably inserted at an inside of the stator(10). A rotating shaft(30) is forcedly inserted into the center of the rotator(20). The rotator(20) is a shaft for outputting. A rotating restriction device and a resonance device are mounted at an upper of the rotating shaft(30). The rotating restriction device and a resonance device restricts and resonates the rotating shaft(30) not to deviate over a predetermined angle. The stator(10) includes a stator core(12) and a stator tee(15). The stator core(12) concludes a lamination sheet. The stater tee(15) is formed at a front side and rear side of a reciprocating rotation area except an irrotational area of both sides of the stator core(12). A coil(16) is wound around the stator tee(15). The coil(16) excites the stator tee(15) by means of an applying of a current.
Patent KR-20020058413-A (KR)
Title: A method for forming capacitor in semiconductor device
Inventor: CHOI JUN HO
IPC: H01L21/8242
Filed: 2000-12-30
Abstract: PURPOSE: A method for forming a capacitor of a semiconductor device is provided to shorten the height of a capacitor structure. CONSTITUTION: A lower layer(11) is formed on a silicon substrate(10). A polysilicon plug(12) is formed within a lower electrode contact hole by depositing and etching a polysilicon. A sacrificial oxide layer(13) is deposited on an upper portion of the above structure. A photo process and an etch process for the sacrificial oxide layer(13) are performed. An amorphous silicon layer(14) for plate electrode is deposited on the whole surface of the above structure. An HSG(Hemispherical Silicon Grain)(15) is grown thereon. A dielectric layer(16) is formed on a surface of the HSG(15). A photoresist pattern is formed by applying and etching a photo-resist. The exposed sacrificial oxide layer(13) is etched selectively by using the photoresist pattern. The photoresist pattern is removed. A conductive layer(18) for charge storage electrode is deposited on the whole surface of the above structure. An interlayer dielectric(19) is deposited on the whole surface of the above structure.
Patent KR-20020058905-A (KR)
Title: Simulator for 4-shift and 5-shift vehicle
Inventor: LEE JIN U
IPC: G01M17/00
Filed: 2000-12-30
Abstract: PURPOSE: A simulator for vehicle with four speed or five speed transmission is provided to simulate operational condition of the four speed transmission vehicle and the five speed transmission vehicle with the single simulator. CONSTITUTION: A simulator includes an input part(10) including simulate signal of signal of a driving sensor of a vehicle and inputting various signal for simulating a transmission control device to be developed; a central processing unit(30) operated according to operational program of the transmission control device to be developed and outputting driving signal based on signal output by the input part; actuators(80,90) operated according to the driving signal; a first interface part(20) converting signal output from the input part so that the central processing unit is capable of processing the signal to input to the central processing unit; a second interface part(40) converting driving signal output from the central processing unit so that the actuators are capable of processing the signal to input to the actuators; and a display(50), displaying operational condition of the central processing unit.
Patent KR-20010022575-A (KR)
Title: 매우 작은 캐패시턴스를 결정하기 위한 방법 및 센서
IPC: G01L9/12
Filed: 1998-07-23
Abstract: 작은 캐패시턴스를 가지는 캐패시터는 상당히 큰 캐패시턴스를 가지는 측정 캐패시터를 위해 여러번 충전되고 방전되며, 상기 캐패시터는 직접적으로 측정된다.  센서의 측정 결과로서 작은 캐패시턴스 또는 캐패시턴스 변화는 높은 정확성으로 결정될수있다.  따라서, 임의의 이동 없이 트랜지스터가 스위치(S)로서 제공되는 손가락끝에 대한 지지 표면하의 금속 영역(4) 어레이, 측정 캐패시터(1) 및 비교기(2)를 가지는 지문 센서를 실현하는 것이 가능하다. 소정 전위는 금속 영역에 제공된다.  손가락끝이 센서상에 배치될때, 금속 영역은 피부 표면의 구조에 대응하는 다른 세기로 충전된다.  전하는 할당된 측정 캐패시터에 방전된다.  측정 캐패시터의 충전 상태는 매트릭스 메모리의 판독후 서로 분리되어 이루어진다.
Patent KR-20010023214-A (KR)
Title: 계단식 경사를 이용한 로터
IPC: H02K21/46
Filed: 1999-06-25
Abstract: 나선형 경사보다는 계단식 경사를 갖는 분할형 자석 로터(R)가 개시된다.  계단식 경사는 로터 코어 노치(38)로 삽입될 수 있는 직선 자석부(44)를 사용할 수 있게 함으로써 로터 농형부에 나선을 만들 필요성을 제거한다.  계단식 경사는 고정자 슬롯 차수 조파를 분해하는데 효과적이다.  또한, 계단식 경사 로터(R)는 일부 실시예에 있어서 개방 슬롯(22)을 구비하여 로터의 브릿지가 쉽게 포화되지 않게 한다.
Patent KR-20010052076-A (KR)
Title: 허혈 조건에서 헤마토포이에틱 스템 세포의 유전자 발현
IPC: A61P25/00
Filed: 1998-09-23
Abstract: 본 발명은 변형된 헤마토포이에틱 스템 세포(MHSC)에 관한 것이다.   MHSC는 적어도 하나의 발현될수 있는 특정 뉴클레오타이드 서열(NOI)을 포함하고 있으며, 각각의 NOI는 하나 또는 그 이상의 허혈 유사 반응 요소(ischaemia like response element:ILRE)와 실시 가능하게 관련되어 있는 것이다.
Patent KR-20010078688-A (KR)
Title: 다연형 나사식 터미널장치
IPC: H01R4/34
Filed: 2000-03-21
Abstract: 조립의 작업성을 좋게 하여, 불량품의 발생율을 낮추어 비용절감을 꾀함과 동시에, 소형으로 설치장소를 차지하지 않는 다연형 나사식 터미널장치를 제공한다. 각 회전손잡이(25)를 본체플레이트(20)에 일체로 구비한 통형상의 하우징부(21)의 상단부에서부터 각각 돌출함 과 동시에 회전손잡이(25)를 하우징부(21)에 대하여 축방향으로 이동 불가능하게 장착하여, 회전손잡이(25)의 중심에 관통개구시킨 막대형 콘택트삽통공(24)에 막대형 콘택트(30)를 회전손잡이(25)에 대하여 회전 불가능하며 축방향으로 이동가능하게 장착하여, 하우징부(21)의 저부에 터미널플레이트(41)를 고정시켜, 그 암나사구멍(46)에 나사축부(32)를 나사결합시켜, 회전손잡이(25)의 회전조작에 의해 막대형 콘택트(30)를 회전시키는 것에 의해 나사축부(32)가 터미널플레이트(41)에 대하여 축방향으로 이동하여 도선협지부(31)가 터미널플레이트(41)와의 대향방향으로 진퇴동작되도록 한다.
Patent KR-20010034467-A (KR)
Title: 핵산을 분리하는 개선된 방법
IPC: C12Q1/68
Filed: 1999-01-26
Abstract: 본 발명은 시료로부터 핵산을 분리하는 방법에 관한 것이다. 이들 물질로부터 핵산을 분리하는 기존의 방법은 카오트로픽 물질을 사용하여, 예컨대 출발 물질내 존재하는 세포를 용해시키고 이로부터 핵산을 제거하는 것을 포함할 수 있다. 핵산 함유 물질을 카오트로프로 처리하고 핵산 결합 고상과 접촉시키는 경우, 핵산은 카오트로프의 존재하에 고상에 결합하고, 고상과 이에 결합된 핵산은 시료의 잔여부분으로부터 분리할 수 있다. 핵산 함유 물질로부터 핵산을 분리하는 본 발명의 방법은 출발 물질을 카오트로픽 물질 및 핵산 결합 고상과 동시에 또는 순차적으로 접촉시키고, 핵산 결합 고상에 세척 단계를 수행한 다음, 필요에 따라 핵산을 핵산 결합 고상으로부터 용출시키는 방법으로서, 세척 절차가 1종 이상의 고염 완충 용액(들), 필요에 따라 알코올 용액 및 저염 완충 용액으로 순차적으로 고상을 세척하는 단계를 포함하는 것을 특징으로 한다.
Patent KR-20010042544-A (KR)
Title: 전자 프로그램 가이드 디스플레이 방법 및 그 장치
IPC: H04N21/431
Filed: 2000-01-28
Abstract: 본 발명은 전자 프로그램 가이드 디스플레이 방법 및 그 장치에 관한 것이다.  그 방법은 특정 프로그램 속성(예, 채널 명칭, 방송 시간, 프로그램 카테고리, 프로그램 제목)에 대응하는 스크린(20) 상의 축(21)을 디스플레이하는 단계를 포함한다.  사용자는 축으로부터 어떤 값을 선택하고, 그림 도표를 디스플레이하게 하여, 선택된 값에 대응하는 프로그램에 관한 정보를 나타낸다.  그림 도표의 위치는 선택된 값의 위치에 대응한다.  새로운 값은 그림 도표를 드래깅하고(거나) 축을 시프팅함으로써 선택될 수 있다.
Patent KR-20010052258-A (KR)
Title: 안정된 희토류 카르복실레이트 농축액
IPC: C07C51/41
Filed: 1999-03-30
Abstract: 본 발명은 활성 지글러-나타 촉매의 용도로 적당한 희토류 원소를 고농도로 함유하는 안정된 희토류 카르복실레이트 액체에 관한 것이며, 상기 안정된 희토류 카르복실레이트 액체는 물 및/또는 산과 같은 안정화제를 사용하여 제조한다.  상기 액체는 약 4.5 내지 약 20%의 희토류 원소를 포함한다.  본 발명은 또한 이러한 액체에 대한 새로운 제조방법에 관한 것이다.
Patent KR-20010043634-A (KR)
Title: 인구 통계학적 카테고리에 대한 사용자 값을 결정하기위한 대화식 텔레비젼 프로그램 가이드 시스템
IPC: H04N21/45
Filed: 1999-05-13
Abstract: 인구 통계학적 카테고리에 대한 사용자 값을 결정하는 대화식 텔레비젼 프로그램 가이드 시스템이 제공된다.  그 시스템은 상기 대화식 텔레비젼 프로그램 가이드용 프로그램 가이드 정보를 수신하는 수신기와, 원력 제어 장치(54)와 같은 사용자 인터페이스로부터 사용자 입력을 수신하는 사용자 입력 수신기(62)와, 상기 수신된 사용자 입력을 이용하여 인구 통계학적 카테고리에 대한 사용자 값을 결정하는 마이크로프로세서와, 상기 결정된 사용자 값을 기억하는 메모리를 구비하는 사용자 텔레비젼 장비(44)를 포함한다.  상기 대화식 텔레비젼 프로그램 가이드의 사용자에게 광고를 하기 위한 시스템의 예시적인 일례에 있어서, 상기 수신기는 또는 광고를 수신하며, 그 광고는 특정 인구 통계학적 카테고리에 대한 미리 선택된 값을 갖는다.  상기 사용자 텔레비젼 장비는 바람직하게는 마이크로프로세서를 이용하여, 상기 광고와 관련된 특정 인구 통계학적 카테고리에 대한 상기 미리 선택된 값을 메모리에 기억된 대응하는 인구 통계학적 카테고리의 값과 비교하여 어떠한 광고가 표시되어야 하는 지를 결정한다.  그 후, 상기 비교를 기초로 하여 표시되기로 결정된 그 광고는 표시된다.
Patent KR-20010052823-A (KR)
Title: 영상 처리 장치 및 방법 및 매체
IPC: H04N7/26
Filed: 2000-04-13
Abstract: 1매크로 블록이 16×16픽셀(바이트)로 구성되고, 그 매크로 블록을 DRAM 등으로 구성되는 프레임 메모리에 기억시킬 때, 제 1 매크로 블록은 어드레스(0000 내지 0255)에, 제 2 매크로 블록은 어드레스(0256 내지 0512)와 같이, 순차, 승순으로 어드레스가 할당되고 기억되어 간다.  이렇게 하여 기억된 매크로 블록은 어드레스 승순으로 판독된다.
Patent KR-20020061993-A (KR)
Title: A flange for vertical chemical vapor deposition apparatus
Inventor: KOO BON RIP
IPC: H01L21/205
Filed: 2001-01-19
Abstract: PURPOSE: A flange of a vertical chemical vapor deposition(CVD) apparatus is provided to easily control a fabricating process, by improving process uniformity and by preventing product quality and yield from being deteriorated by a difference of an electrical characteristic regarding respective portions of a wafer. CONSTITUTION: A process tube is installed in a cylindrical flange(112). A plurality of wafers are loaded in a wafer boat. The wafer boat is placed in a cap flange which is connected to the flange when the wafer boat is loaded. An elevator apparatus loads/unloads the wafer boat to/from the process tube. A prevention unit prevents outside air and impurities from being introduced to the process tube when the wafer boat is loaded.
Patent KR-20010100772-A (KR)
Title: Ｄｃ-ｄｃ 승압 방법 및 그것을 사용한 전원 회로
IPC: H02M3/07
Filed: 2001-01-22
Abstract: 액정 패널의 표시 모드나 표시 내용이 변화해도, 승압 전압의 마진을 검출하는 것에 의해 소비 전력을 저감할 수 있는 DC-DC 승압 방법을 제공하는 것. 
     (a) 클록 신호를 사용하여 입력 전압을 승압하는 것에 의해 승압 전압을 발생하는 스텝과, (b) 승압 전압을 적어도 1개의 소정 전압과 비교하는 스텝과, (c) 스텝 (b)에서의 비교 결과에 의거하여, 스텝 (a)에서 사용하는 클록 신호의 주파수를 조정하며, 또는 적어도 1개의 스위칭 소자를 제어하는 클록 신호를 고정하는 스텝을 구비한다.
Patent KR-20020066549-A (KR)
Title: Sewing position mark device for multi head sewing machine
Inventor: KWAK SU MUN
IPC: D05B19/12
Filed: 2001-02-12
Abstract: PURPOSE: A mark device of a sewing position for a multi-head sewing machine is provided which is characterized by moving a main frame in directions of x-axis and y-axis to program in a state that a beam scanned from a laser pointer is situated at a line described on textile, reducing working time, increasing efficiency of work and making it possible to observe a working process easily. CONSTITUTION: The mark device of the sewing position for the multi-head sewing machine is comprised of: a table(4); a main frame(20) which is installed on an upper side of the table, being possible to move; an x-axis linear scale(38) and a y-axis linear scale(40) which are installed on the table, measuring migration length of the main frame(20); an x-axis driving motor and a y-axis driving motor which are installed on a lower part of the table, transferring the main frame(20) in directions of x-axis and y-axis; a netting needle(12) installed on an arm(10) situated on an upper part of the main frame(20) and moved up-and-down; an indicating part which is installed on the arm(10), showing a falling point of the netting needle(12); a control part connected with the x-axis and the y-axis driving motors, the indicating part, and the x-axis and the y-axis linear scales; and an operating unit(44) connected with the control part.