baber/WOPTO huggingface dataset:
Patent KR-20000042856-A (KR)
Title: Method for creating contact hole of semiconductor device
Inventor: SHIN JIN HONG
IPC: H01L21/28
Filed: 1998-12-28
Abstract: PURPOSE: A method for creating contact hole of semiconductor device is provided to minimize damage of a substrate when removing a nitride membrane. CONSTITUTION: A field oxidation layer(22), a gate(23) with isolating spacer(24), and a silicide layer on the contact part are created on a semiconductor substrate(21). After the process, a preventing etching layer(26) and an inter-level dielectrics layer(27) are doped in sequence. On the inter-level dielectrics layer(27), an isolation layer(28), which is same material of the preventing etching layer(26), is produced such as a nitride membrane or oxidation nitride membrane. A mask pattern is constructed on the isolation layer(28) using photolithography. Using the mask pattern(29), the isolation layer(28) is etched and also the inter-level dielectrics layer(27) is etched until the preventing etching layer(26) is exposed to make a contact hole(30). After removing the mask pattern(29), the preventing etching layer(26) in the contact hole(30) is erased by a plasma dry etching layer(26).
Patent KR-20000042956-A (KR)
Title: Optical repeater system for 2-way wavelength division multiplexing
Inventor: GU CHUNG RYEOL
IPC: H04B10/2581
Filed: 1998-12-28
Abstract: PURPOSE: An optical repeater system for a 2-way wavelength division multiplexing(WDM), is provided to link a forward, reverse, and SD reverse signal by use of a WDM optical module of 2 ways. CONSTITUTION: An optical repeater system for a 2-way wavelength division multiplexing(WDM), comprises a combiner(238), and a splitter(204). The combiner(238) is included in an optical repeater side a slave, so as to synthesize a main reverse signal received via a first antenna and a SD reverse signal received via a second antenna into one wireless signal at the WDM optical module of 2 ways, properly. The splitter(204) is included in a master side so as to receive one wireless reverse signal via the WDM optical module of 2 ways, and separate into the main reverse signal and the SD reverse signal.
Patent KR-20000043356-A (KR)
Title: Apparatus for automatically deleting character signals in images
Inventor: KIM SEONG SEOK
IPC: H04N5/44
Filed: 1998-12-24
Abstract: PURPOSE: An apparatus for automatically deleting character signals is provided to remove the troublesome key inputs and the time waste by automatically detecting and deleting character signals carried on a background image. CONSTITUTION: A character signal detector(80) detects a character signal from an image inputted from external. A controller(70) deletes the detected character signal. The deletion of the character signal is carried out with the blanking process of a character signal interval. The character signal detector(80) includes a discriminator for discriminating a region on an image pre-designated in an inputted background image, a detector for detecting whether a luminance signal more than a predetermined level is inputted, and a verifier verifies that a width of a luminance signal level is more than a predetermined signal width.
Patent KR-20000045546-A (KR)
Title: Apparatus for selecting menu for digital broadcasting receiver and method thereof
Inventor: LIM EUI CHEOL
IPC: H04N21/475
Filed: 1998-12-30
Abstract: PURPOSE: An apparatus for selecting menu for a digital broadcasting receiver and a method thereof are provided to enable user to easily select desired menu. CONSTITUTION: An apparatus for selecting menu for a digital broadcasting receiver includes a remote controller(10), a display(40), a remote controller receiver(20) and a controller(30). The display(40) displays icons of the shape and arrangement same to the remote controller buttons on a menu screen. The remote controller receiver(20) receives key signal generated when the buttons are pressed. The controller(30) stores values according to the buttons, detects the corresponding value according to the input key signal, and to select menu items based on the detected value.
Patent KR-19990028938-A (KR)
Title: 직조용 직기의 도비 헤드용 후크 선택장치
IPC: D03C3/20
Filed: 1996-07-05
Abstract: 본 발명은 후크(2)를 구비한 바닥 보드(1); 및 선택장치를 지탱하고 상기 바닥 보드(1)를 기준으로 움직일 수 있는 상부 부품을 포함하는 도비에 관한 것이다. 
     본 발명의 상기 도비에는 고리(4)가 제공되어 있고, 후쿠(2)를 기준으로 하는 상기 고리(4)의 위치는 코일(11)을 구비한 전자기 장치에 의하여 조절된다. 
     각각의 부품(3)은 자성 재료로 제조되고 핀(7)에 대해 피봇 작용을 하도록 탑설된 부품(9)을 포함하고 있는 경질의 헬드 샤프트이다. 
     본 발명의 장치는 부품(9)의 영역내에 영구자기장을 발생시키는 수단(14)을 포함하며, 코일(11)은 상기 부품(9)이, 코일 및 영구자기장의 위치에 따라 헬드 샤프트(3)가 바닥 후크의 걸림을 허용하는 제 1 위치 또는 상기와 같은 걸림을 허용하지 않는 제 2 위치내로 피봇 작용을 하는 방식으로 작용할 수 있도록 한다.
Patent KR-19990035918-A (KR)
Title: 스트렙토코커스 써머필러스와 비피도박테리움 롱검을 포함하는 경장(經腸)용 식이 조성물
IPC: A61K35/74
Filed: 1997-06-03
Abstract: 스트렙토코커스 써머필러스와 비피도박테리움 롱검으로 구성된 그룹으로부터 선택된, 둘 이상의 유산균을 각각 세균 그램당 1X10 11 CFU 이상의 농도로 포함하는 경장(經腸)용 식이 조성물은 경장(經腸)용 배합물와 경구용 영양 보충물에 대한 첨가물로서 유용하다. 경장(經腸)용 배합물를 투여하기전, 투여동안 또는 투여말기에 상기 조성물을 투여할 수 있다. 경장(經腸)용 배합물과 혼합 또는 분리해서 조성물을 투여할 수 있다. 장내 튜브가 다른 병원균에 의해 군락화되는 것을 방지하기 위해서 매일 행하는 투여의(daily administration) 마지막에 조성물을 이용할 수도 있다. 또한 액상, 크림상, 또는 죽상태의 어떠한 음식물에라도 보충물로 사용될 수 있다.
Patent KR-19990082547-A (KR)
Title: 회전 전기 장치의 조작 가능성 진단 시스템 및 진단 방법
IPC: G01R31/34
Filed: 1997-02-10
Abstract: 시스템은 원자로 냉각 펌프(RCP) 모터와 같은 회전 전기 장치의 조작 가능성을 진단한다.  RCP 모터는 회전 가능한 축(4), 고정자(18), 베어링 어셈블리(14, 26) 및 베어링 절연체(195)를 포함한다.  베어링 어셈블리는 회전 가능한 축과 전기적으로 접속을 이루고, 베어링 절연체는 회전 가능한 축과 베어링 어셈블리를 고정자로부터 적어도 부분적으로 전기적으로 절연시킨다.  시스템은 회전 가능한 축에서 전압을 유도하기 위한 축 변압기(184') 및 전압원(V S )과, 제 1 및 제 2 저항을 가지며 베어링 절연체와 병렬을 이루는 가변 저항(R V )과, 제 1 저항과 관련된 제 1 전압과 제 2 저항과 관련된 제 2 전압을 감지하기 위한 아날로그-디지털 컨버터와, 제 1 및 제 2 전압과 제 2 저항에 의거하여 베어링 절연체의 조작 가능성 또는 임피던스를 결정하기 위한 수단을 포함한다.
Patent KR-20000004974-A (KR)
Title: Porous polymer with high moisture content
Inventor: CHAOKE HASSAN
IPC: C08G65/22
Filed: 1997-03-20
Abstract: PURPOSE: Producing methods disclosed in many reports have problems that the processes are limited with respect to the utility of porogen suitable for introducing pore size of desired range or are ineffective to stabilize aqueous micro-emulsion containing perfluoropolyether. Thus porous polymers containing 1 or more perfluoropolyether unit, which has higher moisture content than the same polymer when being complete swelling in water, are required. CONSTITUTION: Porous polymers are products made of or including porous polymer-containing perfluoropolyether unit used in membrane or apparatus for ophthalmology, and products such as membrane or apparatus for ophthalmology containing perfluoropolyether unit. The unit of perfluoropolyether is formula PFPE. When the porous polymers are polymerized under general conditions, the problems are not occur. Thus the porous polymers are suitable for soft contact lens. In formula, CF2CF2 and CF2O units are randomly distributed or distributed as a block though a chain, and x and y are the same or different perfluoride polyether which molecular weight is 242 to 4000.
Patent KR-20000005535-A (KR)
Title: Anti-helicobacter pylori compositions containing 1-methylcarbapenem derivatives as the active ingredient
Inventor: KAWAMOTO ISAO
IPC: C07D477/20
Filed: 1997-05-08
Abstract: PURPOSE: This concerns a method for manufacturing 1-methylcarbapenem derivatives, an anti-helicobacter pylori composition containing an ester as an active ingredient, and an anti-helicobacter pylori medicine and a method for administering the pharmaceutically effective amount to a warm blood animal. CONSTITUTION: 1-methylcarbapenem derivatives of general formula (I) and pharmacologically acceptable salts and esters thereof, useful as the active ingredient of anti-helicobacter pylori compositions (such as therapeutic or preventive agents for Helicobacter piloriinfections, particularly the therapeutic agents). In said formula, R1 is (IIa), (IIb), (IIc) or (IId), wherein R2 is hydrogen or alkyl; and R3 is hydrogen or alkyl.
Patent KR-19990068120-A (KR)
Title: 육아 기구
IPC: B60N2/28
Filed: 1999-01-26
Abstract: 본 육아 기구는 등받이부(4)와, 유아의 측면을 보호하기 위해 등받이부(4)의  양측에 형성되는 한 쌍의 측면 보호대(8, 9)와, 유아의 두부를 보호하기 위한 한 쌍의 측면 보호대(8, 9)의 안쪽에 착탈 가능하게 형성되고, 또한 상하 방향으로 이동 가능하게 형성되는 한 쌍의 측부 헤드 보호대(10, 11)를 구비하고 있다.  상기의 구성에 의해 유아의 성장에 맞추어 유아의 두부(두뇌)를 확실하게 보호할 수 있는 구조를 갖는 육아 기구를 제공하는 것이 가능하게 된다.
Patent KR-20000051833-A (KR)
Inventor: PARK HYUNG YUL
IPC: G01M3/10
Filed: 1999-01-27
Abstract: PURPOSE: An apparatus for supplying gas and a method for testing steamtight thereof are provided to reduce the vacuum and purge time by maintaining suitable temperature in the outside of the gas line and prevent gas leakage. CONSTITUTION: An apparatus for supplying gas and a method for testing steamtight thereof includes the steps of closing a main valve(62) of a gas container(60), opening a second valve(68) and a fourth valve(112), and ventilating gas through a ventilating outlet line(100) by operating an external high vacuum apparatus(140), ventilating the residual gas by repeating the vacuum and the purge through a nitrogen purge gas line(80), and closing the second valve and the fourth valve, measuring the vacuum value displayed in a first vacuum gage(66) installed in a main line(70) after a regular time, and judging whether steamtight leakage.
Patent KR-19990068184-A (KR)
Title: 컴팩트 카메라
IPC: G03B17/04
Filed: 1999-01-28
Abstract: 컴팩트 카메라는 촬영 렌즈, 플래시 발광부, 배터리 쳄버와 카트리지 쳄버를 덮는 미사용 위치에서 카메라 본체의 반 이상을 덮는 카메라 케이스를 가진다. 카메라 케이스를 촬영 렌즈와 플래시 발광부를 노출시키는 사용 위치로 슬라이딩시킴에 따라, 플래시 발광부는 발광 위치로 튀어 오르고 메인 스위치는 턴온된다. 다음에, 렌즈 바렐이 카메라 본체의 외부로 돌출된다. 카메라 케이스를 사용 위치에서 정지시키기 위하여 정지 매카니즘이 제공된다. 플래시 발광부를 카메라 본체내로 수납시킴에 따라 카메라 케이스는 사용 위치에서 미사용 위치로 이동되는 것이 허용된다. 배터리 쳄버의 내부에 제공된 공간에 설치된 노브의 작동에 따라, 카메라 케이스는 노출 방향에서 사용 위치로부터 이동되는 것이 허용된다. 배터리 쳄버는 수납 위치에서 플래시 발광부의 뒤에 위치하고, 배터리 쳄버 뚜껑과 플래시 발광부는 동일축을 중심으로 회전가능하게 설치되어 있다. 카메라 케이스의 슬라이딩 운동에 연동하여 카트리지 쳄버에 장착된 포토 필름 카트리지의 도어 부재를 열고 닫기 위한 도어 동작 매카니즘이 제공된다. 도어 동작 매카니즘은 래칫 레버와 연결되어 있으므로 래칫 레버는 도어 부재가 열려 있는 한 카트리지 쳄버를 열 수 없는 안전 잠금 위치에서 카메라 케이스를 정지시킨다.
Patent KR-20000055179-A (KR)
Inventor: LEE SUN SE
IPC: B01D35/00
Filed: 1999-02-04
Abstract: PURPOSE: An instant hot-water supplying device for a water purifier is provided which does not need to install a hot-water tank inside the water purifier and instantly heats water and supplies hot-water without continuously operating a heater. CONSTITUTION: An instant hot-water supplying device comprises: (i) a linear heater(1) having a heating pipe(11), an inlet of the lower end of which is connected to a storage tank(2) and an outlet of the upper end of which is connected to a sluice portion(3), and an electric heating line(12), which is installed by piercing through the heating pipe(11) and heats clean water supplied from the storage tank(2); (ii) an air vent(16) which is branched from between the heating pipe(11) and the sluice portion(3) and is connected to the upper space of the storage tank(2); (iii) a water-temperature detecting sensor(45) which is installed on one side of the outside of the heating pipe(11); (iii) a control portion(4) which supplies power supply to the electric heating line(12) and controls the turning on-and-off of a hot-water working lamp(41) and a hot-water finishing lamp(42) by receiving a water-temperature detecting signal of the water-temperature detecting sensor(45); and (iv) a hot-water operating switch(43) which is installed on one side terminal of the control portion(4) and the electric heating line(12) and controls power supply to the electric heating line(12).
Patent KR-20000056309-A (KR)
Inventor: JUNG SU JONG
IPC: G03G15/16
Filed: 1999-02-19
Abstract: PURPOSE: An apparatus for forming an electrophotograph and a control method thereof are provided to completely remove waste toner without using any additional waste toner removing device and obtain high quality image by increasing a transferring efficiency by variably applying voltage to the transfer roller according to a resistance of a paper. CONSTITUTION: A method for controlling an apparatus for forming an electrophotograph includes the steps of electrifying a photosensitive drum by an electrifying roller(S410), cleaning a transfer roller for changing voltage of the transfer roller according to a predetermined reference by idle rotating the transfer roller and the photosensitive drum to remove waste toner attached to the transfer roller(S420), restoring the toner having residual negative charges from the photosensitive drum to a developing roller by a difference of potential(S430), forming an electrostatic latent image on the electrified photosensitive drum by a light emitting element(S440), forming a visual image by removing the toner positioned around the developing roller to the electrostatic latent image on the photosensitive drum(S450), pre-processing the toner for decreasing the attachment force of the toner attached to the photosensitive drum to a predetermined level(S460), and transferring the preprocessed toner being attached to the photosensitive drum to a printing paper(S470).
Patent KR-20000060087-A (KR)
Inventor: KIM SEONG YONG
IPC: H04N5/44
Filed: 1999-03-11
Abstract: PURPOSE: A data input/output device for a digital TV(TeleVision) is provided to make invariable the number of columns to be ended even if the columns start at any time point when data are input/output. CONSTITUTION: The data input/output device for a digital TV(TeleVision) includes a function block portion(101), a start point calculation portion(102), an address decode portion(103), an address control/arbitration portion(104) and an external memory(105). The function block portion inputs an input/output logical start point of data. The start point calculation portion calculates by converting the logical start point into a physical start point. The address decode portion decodes an address signal of the physical start point calculated at the start point calculation portion according to an input mode. The address control/arbitration portion controls and arbitrates the address signal decoded at the address decode portion. The external memory stores the address signal controlled and arbitrated at the address control/arbitration portion.
Patent KR-19990046057-A (KR)
Title: 양란심비디움신품종마리코식물
Filed: 1999-03-17
Abstract: 본 발명은 핑크 백색을 가지는 복륜화로서 분화용의 우수한 양란 심비디움 신품종에 속하는 식물 "마리코"를 제공하는 뛰어난 효과가 있다.
Patent KR-19990083160-A (KR)
Title: 세척물 건조장치 및 건조방법
IPC: H01L21/00
Filed: 1999-04-13
Abstract: 본 발명은,  단시간내에 세척물 (50) 을 건조시켜,  그 건조시간동안에  세척물 (50) 의 오염을 효과적으로 방지하고,  에너지 절약과  사용되는 화학약품의 소비 절감을 달성할 수 있는  세척물 (50) 건조장치를 제공한다.     유기용매 미스트 생성탱크 (30) 내에서  초음파에 의해 유기용매 (34) 의 미스트를  생성하고,  세척물 (50) 을  순수탱크 (20) 내에  넣은 후,  순수 탱크 (20) 와 유기용매 미스트 생성탱크 (30) 를 서로 소통되도록 동작시켜,  순수를 배출하고,  유기용매 미스트의 분위기에  세척물을 위치시킨 후,  질소가스를 순수탱크 (20) 에 공급하여,  그 질소가스로 유기용매 미스트를 정화시킨다.
Patent KR-19990083409-A (KR)
Title: 비휘발성기억소자및그제어방법
IPC: G11C16/02
Filed: 1999-04-22
Abstract: 비휘발성 기억소자가  메모리 셀 어레이에 추가하여 제 1 메모리 및 제 2 메모리를 포함한다.     이 제 1 메모리는  원본 데이터를 저장하며,  이 원본 데이터는  제 2 메모리에 복사된다.     이 제 1 메모리에 저장된 원본 데이터는  독출 데이터와 비트마다 비교되어  각 비트에 대한 비교결과를 산출한다.     제 2 메모리에 저장된 복사된 원본 데이터는  각 비트에 대한 비교결과에 따라서  비트마다 리셋되어,  어드레스된 메모리 셀에 기입될 기입 데이터를 산출한다.
Patent KR-19990046763-A (KR)
Title: 음식물쓰레기의처리장치
IPC: B09B3/00
Filed: 1999-04-22
Abstract: 본 발명은 음식물 쓰레기의 처리장치에 관한 것으로서, 음식물 쓰레기 처리장치에 설치된 건조장치는 상부 커버(122)와, 하부의 배출 하우징(12)사이에 제 1가열 건조부(32)와 제 2가열 건조부(30)를 1열 이상 수직으로 설치하여 분쇄된 음식물 찌꺼기를 건조 과정에서 발생되는 냄새와 기름을 분리 처리함으로써, 환경오염을 줄이고, 건조효율을 향상시키도록 구성되어 있다.
Patent KR-19990083553-A (KR)
IPC: A42B3/22
Filed: 1999-04-28
Abstract: 본 발명의 과제는, 내·외측실드 상호의 밀봉성을 확실하게 확보하면서 정착유지하면서, 내·외측실드의 분리가 가능한 헬멧의 실드를 제공하는 것이다. 또한, 본 발명의 해결수단은, 헬멧본체에 대하여 상하로 회전이 자유롭게 부착된 내측실드(1)의 외측에, 시야범위의 대략 외주를 따라서 배치된 탄성을 가진 탄성밀봉재(11)를 거쳐, 또 한장의 외측실드(2)를 착탈이 자유롭도록 부착함과 아울러, 그 외측실드(2)에는 상기 탄성밀봉재(11)를 눌러 부착하는 힘이 생기는 장력을 부여하여 내측실드(1)를 지지하는 것이다.
Patent KR-20000073696-A (KR)
Inventor: KIM JIN SOO
IPC: G06F1/16
Filed: 1999-05-13
Abstract: PURPOSE: An apparatus for locking a computer and a control method of the same are provided for preventing a long time use of a computer by a children or a student by automatically preventing the input signals of a keyboard and a mouse from being inputted into the computer when a previously set computer use time is elapsed after the computer is started. CONSTITUTION: A casing unit includes a casing(1) and a cover(2) engaged each other by a bolt(3). A main substrate(4) in which a plurality of electronic parts are mounted and a support plate(5) are sequentially installed in the interior of the casing(1). A plurality of holes(6) are formed at front sides of the cover(2), so that the cables of the keyboard(101) and the mouse(102) are extended to the outside.
Patent KR-20000074898-A (KR)
Inventor: YOON SI YEONG
IPC: F16C32/06
Filed: 1999-05-27
Abstract: PURPOSE: An apparatus for stabilizing sight with a pneumatic static bearing is provided to remove friction by using the pneumatic static bearing rather than a surface-contacting bearing for moving a mounting plate, thereby simplifying assembly procedure while reducing manufacturing cost. CONSTITUTION: An apparatus for stabilizing sight with a pneumatic static bearing includes a cross bearing pin(11) formed with a cross introducing path for supplying air inside and a plurality of nozzles for discharging introduced air, an azimuth angle bearing body(16) longitudinally mounted with a predetermined gap from the cross bearing pin and formed with air outlets at both ends, a high angle bearing body(17) mounted with a predetermined gap from the cross bearing pin perpendicularly to the azimuth angle bearing body and formed with air outlets at both ends, a camera mounting plate(19) fixed on the high angle bearing body which moves with relation to the cross bearing pin, a bracket(20) fixed on the azimuth bearing body at one end or both ends and fixed on one outside of the camera mounting plate at the other end or both ends, and at least more than one two-shaft actuators(18) mounted on the high angle bearing body for moving the mounting plate.
Patent KR-20010002665-A (KR)
Inventor: KIM JUN GI
IPC: H01L21/28
Filed: 1999-06-16
Abstract: PURPOSE: A method for manufacturing a metal interconnection of a semiconductor device is provided to eliminate a disconnection when a high density current is applied, by connecting upper and lower interconnections by the same material. CONSTITUTION: A lower interconnection(41) is formed on a semiconductor substrate. An interlayer dielectric(42) is formed on the entire surface. A part of the interlayer dielectric and the lower interconnection is selectively etched to form upper and lower contact holes. The first barrier layer, the second barrier layer and the third barrier layer are respectively formed on the bottom surface of the lower contact hole, the side surface of the upper contact hole and the interlayer dielectric. An upper interconnection material layer is deposited so that a part of the upper interconnection material layer is directly connected to the lower interconnection and the upper and lower contact holes are filled. The upper interconnection material layer is selectively patterned to form an upper interconnection.
Patent KR-20010004133-A (KR)
Title: Method for driving plasma display panel
Inventor: CHOI HAK GI
IPC: G09G3/291
Filed: 1999-06-28
Abstract: PURPOSE: A method for driving a plasma display panel is provided which is capable of improving display reproductivity, picture quality, contrast and brightness more efficiently. CONSTITUTION: In a method for driving a plasma display panel, all of wall charges left around common electrodes and scanning electrodes are erased. The first voltage is applied between a corresponding scanning electrode and a selected address electrode to form wall charges at selected pixels, to cause opposite discharge. The second voltage is applied between the scanning electrode and the common electrode alternately, having opposite polarities, to create surface discharge at the selected pixels. At least one of the initial pulse voltage applied to the scanning electrodes and the initial pulse voltage applied to the common electrodes is the third voltage higher than the second voltage.
Patent KR-20000011569-A (KR)
Inventor: KANEL GEORGE KENETH
IPC: H03C1/06
Filed: 1999-07-08
Abstract: PURPOSE: A method is provided to reduce the level of the undesired signal which is generated in a frequency converter device by realizing a local oscillator leakage reducing circuit. CONSTITUTION: The frequency converter device(20) receives an IF input data signal and at the same time the local oscillator signal from the local oscillator(10) is input to the frequency converter device. The complex signal from the frequency converter device is input to a detecting circuit(30) and accordingly the detecting circuit generates an error voltage in proportion to the level of the undesired signal. Based on this invention, the quality of the signal can be improved by the removal of the undesired signal on transmission. That is, the local oscillator leakage signal is removed by using the detecting circuit and a nulling circuit according to the result that the frequency converter device has a single input port or a multi input port.
Patent KR-20010009437-A (KR)
Title: Mounter head of surface mounting apparatus
Inventor: KIM HYO WON
IPC: H05K13/04
Filed: 1999-07-09
Abstract: PURPOSE: A mounter head of surface mounting apparatus is provided to ensure simple structure and accurate control by using one drive motor to operate a three stage nozzle shaft. CONSTITUTION: An R axis driving motor(18) is installed to one upper side of a head plate(10) of a mounter head. A nozzle shaft(40) is installed to be rotated by the R axis driving motor(18). Shaft guides(28) guide a linear movement when the nozzle shaft(40) is displaced up and down by a number of Z axis driving motors(36). The Z axis driving motors(36) are installed at one side of the head plate(10). Each of the shaft guides(28) has a slit hole(30) for guiding the nozzle shaft(40) to be displaced linearly. As the nozzle shaft(40) moves along the slit holes(30) of the shaft guides(28), an error is reduced in stroke movement of the nozzle shaft(40). The mounter head can ensure accuracy in mounting parts to a printed circuit board.
Patent KR-20010019050-A (KR)
Inventor: LEE HA SEONG
IPC: H04L29/00
Filed: 1999-08-24
Abstract: PURPOSE: A FIFO communication system for allowing to cancel a read/write and change a capacity is provided to achieve a FIFO function using a DPRAM when the FIFO is adapted upon communicating between two protocols having the different transmission speeds to each other in a system using a processor communication. CONSTITUTION: In an exchange system, a protocol writing block generates various control signals and writes data. An input register stores and outputs data depending on a control signal from the corresponding protocol writing block. An output register reads data depending on a control signal from the read side. An output buffer receives data from the corresponding output register depending on the control signal from the read side to output a resultant FIFO output. In a FIFO communication system, a memory block stores and outputs data depending on an empty flag signal and a pull flag signal. The memory control block receives a depth data from the protocol writing block to determine a capacity of the memory block and generates a memory address of the memory block. The memory control block generates the empty flag signal or the pull flag signal depending on the memory states of the memory block.