baber/WOPTO huggingface dataset:
Patent KR-20030046147-A (KR)
Title: Tree stand
Inventor: LEE HYO U
IPC: A47G33/12
Filed: 2001-12-05
Abstract: PURPOSE: A tree holder is provided to firmly fix a tree regardless of a tree size by varying the length of a support leg for supporting a container. CONSTITUTION: The tree holder comprises: a container(100) with a cavity(102) formed inside; a basal plate(110) coupled to the bottom of the container(100); a main support member(120) with one end hinged to a side face of the container(100) and the other end supported on the ground and its length extendable and contractible; an auxiliary support member(160) with one end hinged to a side face of the container(100) and the other end supporting the main support member(120); a first fixing member fixing the lower surface of the tree from the bottom of the cavity(102); and a second fixing member(220) fixing the side faces of the tree from the side faces of the container.
Patent KR-20030046745-A (KR)
Inventor: LEE GEE SU
IPC: H02J7/10
Filed: 2001-12-06
Abstract: PURPOSE: A method and an apparatus for auxiliary charging battery are provided to make all batteries maintained at a full charge state by checking charge states of all batteries at a real time, judging auxiliary charged batteries according to each charge state and performing a auxiliary charge operation during a predetermined time. CONSTITUTION: A charge power supply(110) supplies a charge power for charging a battery and an operating voltage needed to operate. A regulator(120) receives the operating power to supply a constant power. A CPU(130) is operated by the operating voltage from the regulator and sends a switch drive signal so as to supply the charge power to a corresponding battery. The CPU monitors a voltage level of all batteries to auxiliary charge a battery which is not charged over a predetermined level. The CPU sends a display control signal so as to recognize charge and auxiliary charge states. A switch part(140) is operated responsive to the switch drive signal and connects a corresponding battery and the charge power supply to supply the charge power to a battery. A signal processing part(160) measures each battery and converts the measured voltage into a treatable voltage. A plurality of A/D converters(170) convert battery voltages converted by the signal processing part to digital signals so as to be treated by the CPU. A display part(180) displays a current state according to the display control signal.
Patent KR-20030048908-A (KR)
Inventor: KWON YOUNG JONG
IPC: H01L21/027
Filed: 2001-12-13
Abstract: PURPOSE: A post exposure bake apparatus and a post exposure bake method using the same are provided to be capable of preventing the abrupt temperature change of a semiconductor wafer coated with an exposed photoresist layer in a chamber by conserving vacuum state under a bake process using a vacuum pump. CONSTITUTION: A hot plate(105) is installed in the lower portion of a chamber(101) for loading a wafer coated with an exposed photoresist layer. A wafer guide is installed at both edge portion of the hot plate for guiding and separating the wafer from the bottom portion of the hot plate. A shutter(109) is located at one side of the chamber for switching the chamber. A vacuum pump(119) is connected through a vacuum line(115) to the chamber for conserving the vacuum state of the chamber. A plurality of support pins(113) are located in through holes of the hot plate for moving the wafer up and down. A gas injecting line(116) is connected with the upper portion of the chamber for supplying inert gas.
Patent KR-20030049074-A (KR)
Title: Leg rest Device
Inventor: KIM YONG UK
IPC: B60N3/06
Filed: 2001-12-14
Abstract: PURPOSE: A leg rest apparatus is provided to improve comfortableness by supporting the lower body of a passenger, and to take a rest by putting legs on the leg rest conveniently with interlocking with the backrest of the seat. CONSTITUTION: A leg rest system is composed of a switching unit(20) placed in a seat(10) of a vehicle and turned on and off in turning a backrest(11) backward; a driving unit(30) actuated in turning on and off the switching unit; and a leg rest(40) installed in the front of the seat and lifted up and down by the driving unit. The switching unit has a detecting unit(21) placed under the seat, a button(22) formed in the backrest, and a switch(23) applying power to the driving unit according to operation of the detecting unit. Comfortableness is improved by supporting the lower body of the passenger with pulling the backrest back.
Patent KR-20030052413-A (KR)
Title: An apparatus for measuring the deep depth of the dome brick
Inventor: KIM DU JIN
IPC: C21B9/10
Filed: 2001-12-21
Abstract: PURPOSE: A brick depth measuring apparatus for continuously measuring whether brick of dome shaped connection pipe in the upper part of combustion chamber and checker chamber is damaged or not in hot stove facility is provided. CONSTITUTION: The apparatus for measuring depth of brick of dome in blast furnace hot stove comprises an ultrasonic depth measuring means(16) installed at one end part of a hollow pipe to measure depth of brick(1c) of dome in the blast furnace hot stove; a connection means installed at the other end part of the hollow pipe to connect the hollow pipe to the dome; two cutout valves installed in series between the connection means and measuring means to shield the depth measuring means from the dome or connect the depth measuring means to the dome through the pipe; a cleaning means installed in series between the two cutout valves to discharge foreign materials inside the pipe; a control part(50) for controlling operation of the cutout valves and cleaning means; and an operation part(40) for extracting depth variation of the brick of the dome by signals from the depth measuring means, wherein the cleaning means comprises nitrogen purge valve(15), and a vent valve(12), wherein the apparatus further comprises storage means, alarm generation part, and sleeve flange means(14).
Patent KR-20030052439-A (KR)
Title: Auto control system using power line communication
Inventor: JUNG JONG MIN
IPC: H04B3/54
Filed: 2001-12-21
Abstract: PURPOSE: An automatic control system based on a PLC(Power Line Communication) method is provided to use a power line as a communication medium of device control, so as to associate and control various devices connected to an automatic control module. CONSTITUTION: An operation module is equipped with an operation program. A PLC module is connected to the operation module. An automatic control module connected to the PLC module through a power line controls external devices through received control signals. The operation program implements low-speed PLC with the automatic control module through the PLC module, to receive signals generated from the devices or generate to transmit device control signals. The automatic control module comprises a PLC unit(61) transceiving signals, a controller(63) analyzing the received control signals to classify the signals into switch signals, analog signals and infrared signals or converting the signals received from the devices, a relay output unit(64) transmitting the classified switch signals to the devices, a PWM(Pulse Width Modulation) output unit(65) transmitting the classified analog signals to the devices, an infrared output unit(66) transmitting the classified infrared signals to the devices, a digital input unit(67) receiving digital signals generated in the devices, an analog input unit(68) receiving analog signals generated in the devices, and a memory(62) storing the control signals for the automatic control module to control the devices.
Patent KR-20030052739-A (KR)
Title: Magnetic memory media of the spread
Inventor: CHOI HO UNG
IPC: G11B5/62
Filed: 2001-12-21
Abstract: PURPOSE: A coated magnetic recording medium is provided to realize the magnetic medium having excellent magnetic and electronic exchange characteristics, and traveling durability. CONSTITUTION: A coated magnetic recording medium is manufactured by coating a polyester film with a magnetic paint. The magnetic paint is formed of a magnetic substance, a binder, a dispersing agent, a lubricant, and a solvent. 0.5 to 2.0 mole % of the dispersing agent to a functional group is substituted by sulfonate(-SOO-M+). A polyvinylchrolrde resin having the mean polymerization degree in the range of 100 to 200 is 5 to 10 weight % to the binder content.
Patent KR-20030053871-A (KR)
Title: Noise depreciation structure for outdoor unit of air conditioner
Inventor: KANG TAE HO
IPC: F24F13/24
Filed: 2001-12-24
Abstract: PURPOSE: A structure for reducing noise of an outdoor unit of an air conditioner is provided to prevent noise generated in a compressor from diffracting and leaking through a gap. CONSTITUTION: An upper sound control member(85) is placed to cover upper parts and sides of a compressor(25) and a water-liquid separator(40). A bottom sound control member(90) is placed on a bottom of the compressor. The upper sound control member and the bottom sound control member are joined to each other by joining parts(105) formed on corners thereof to seal without a gap so as to prevent leakage of noise generated in the compressor to the outside by diffraction. A plurality of pipe penetrating holes(95) are formed on an upper end of the upper sound control member for a refrigerant inlet pipe(45) and a refrigerant outlet pipe(50) to be connected to the outside. A plurality of compressor joining holes(100) are formed on the bottom sound control member for the compressor to be joined to a base panel. Velcro tapes are used on the joining parts to allow convenient assembly.
Patent KR-20030055959-A (KR)
Inventor: PARK JONG MAN
IPC: G06F1/16
Filed: 2001-12-27
Abstract: PURPOSE: An LCD monitor frame is provided to offer a slim and compact LCD monitor frame by reducing a front width of a front cabinet and minimizing a loss space between respective parts when connecting the parts. CONSTITUTION: The front cabinet(1) has a hanging projection around the inside. An LCD module(2) has a hanging hole at the outside in order to be hung by the hanging projection of the front cabinet(1) and a main frame join part having a screw hole in order to join with a main frame(3). The main frame(3) has a guide part to make the join with the LCD module(2) easy, and a module join part having the screw hole in order to join with the main frame join part. A screw joins and fixes the main frame join part and the module join part at a side surface.
Patent KR-20030058214-A (KR)
Title: A Black Matrix on Array type Liquid Crystal Display Device using A Back Face Exposure and Method of Fabricating the same
Inventor: LEE YEONG GU
IPC: G02F1/1335
Filed: 2001-12-29
Abstract: PURPOSE: A BOA structure liquid crystal display device using rear surface exposure and a method for fabricating the same are provided to omit the overlaying between source and drain electrodes and black matrixes for improving the aperture ratio and prevent the light leakage by forming the black matrixes by using the source and drain electrodes as masks without any overlaying margins. CONSTITUTION: A BOA structure liquid crystal display device using rear surface exposure includes a first substrate serving as an array substrate, a second substrate serving as a color filter substrate and facing the first substrate, and a liquid crystal layer between the substrates. The array substrate includes thin film transistors formed of gate electrodes, a semiconductor layer and source/drain electrodes(238,240), and a protecting layer(244) formed of an organic insulating material on the thin film transistors and having drain contact holes for exposing the drain electrodes partially. On the protecting layer are formed pixel electrodes(246) to be connected to the drain electrodes via the drain contact holes. Black matrixes are formed on the pixel electrodes with a line width corresponding to the source and drain electrodes by rear surface exposure using a photosensitive resin.
Patent KR-20030058745-A (KR)
Title: Data cable apparatus using usb
Inventor: KANG SE JUN
IPC: G06F13/00
Filed: 2001-12-31
Abstract: PURPOSE: A data cable device using a USB power is provided to supply a power to a portable terminal by converting the power being outputted through a USB port of a computer into a predetermined voltage level. CONSTITUTION: A USB port(10) outputs a USB power of a computer. A serial port(20) inputs/outputs communication data. A data cable device(30) is operated by receiving the USB power from the computer, converts the received power into a predetermined voltage level, supplies the converted power to a portable terminal(40), and supports a data communication between the computer and the portable terminal(40). The portable terminal(40) is operated in accordance with the power being supplied through the data cable device(30), receives a plug-in sensing signal, and outputs a control signal to the data cable device(30).
Patent KR-20010072217-A (KR)
Title: 순수한 카르복실산의 개선된 제조 방법
IPC: C07C51/265
Filed: 1998-08-06
Abstract: 본 발명은 플러그 흐름 반응 대역에서 형성된 순수한 산을 용액으로 유지하는 데 충분한 용매:전구체의 고 비율 및 반응 조건에서 산화 반응을 수행하는, 용매중의 적합한 전구체의 촉매적 액상 산화에 의한 순수한 카르복실산의 제조 방법, 및 그러한 방법으로부터 제조된 생성물을 제공한다.
Patent KR-20010073030-A (KR)
Title: 습윤성이 개선된 생분해성의 열가소성 폴리에스테르 조성물
IPC: C08K5/04
Filed: 1999-08-27
Abstract: 본 발명은 폴리부틸렌 숙시네이트 폴리머, 폴리부틸렌 숙시네이트-코-아디페이트 폴리머, 폴리카프롤락톤 폴리머, 이들 폴리머의 혼합물, 또는 이들 폴리머의 코폴리머로 이루어진 군에서 선택된 지방족 폴리에스테르 폴리머; 다중 카복실산; 및 습윤제의 미반응 혼합물을 포함하는 열가소성 조성물에 관한 것이다.  이 열가소성 조성물은 섬유로서 압출될 수 있는데, 이 섬유는 체액과 같은 유체의 흡수를 목적으로 하는 일회용 흡수제품에 사용될 수 있는 부직 구조물로 형성될 수가 있다.
Patent KR-20010075336-A (KR)
IPC: H01L21/8246
Filed: 1999-09-24
Abstract: 강유전성 물질, 특히 결정학적 방향성 적층적 강유전성 셀로 일체화됨에 따라, Pb 1-x La x Zr y Ti 1-y O 3 또는 Pb 1-x Nb x Zr y Ti 1-y O 3 는 적당하게 많은 La 또는 Nb 함유물을 갖고 있어, 상기 단위 셀이 거의 입방에 가까운 사각형이 되어 스트레스 효과를 감소시킨다. 더 바람직한 c/a 상수값은 약 1.01이다. x의 예시적인 합성 범위는 y가 20% 일 때, La가 6에서 20%, 그리고 Nb가 3에서 15% 이다. 감소된 편광전압은 3.0V 이하에서 동작하는 집적된 강유전성 메모리와 일치한다.
Patent KR-20010089318-A (KR)
IPC: G03C7/392
Filed: 1999-10-11
Abstract: 본 발명은 화학식 I의 화합물을 함유하는 컬러 사진용 재료에 관한 것이다. 
     화학식 I 
     
       
     
     위의 화학식 I에서, 
     R 1 은, n이 1인 경우, 특히 화학식 II의 라디칼이고, n이 2인 경우, 치환되지 않거나 C 1 -C 4 알킬 치환되거나 하이드록시 치환된 페닐렌 또는 나프틸렌이거나, -R 12 -X-R 13 이고, 
     다른 잔기들은 제1항에서 정의한 바와 같다. 
     화학식 II 
     
       
     
     화학식 I의 화합물은 산화된 형태의 현상제의 스캐빈저(독스 스캐빈저)로서 특히 감광층들 사이의 중간층에 함유되는 경우에 유효하다.  선택된 이러한 부류의 화합물은 컬러 사진용 재료의 부가제로서, 예를 들면, 염료 안정화제로서 또는 유기 물질용 산화방지제로서 사용될 수도 있다.
Patent KR-20010089382-A (KR)
IPC: H01L27/108
Filed: 2000-08-08
Abstract: 본 발명은 DRAM-셀 장치를 제조하기 위한 방법에 관한 것이다.  기판(1)내에는 DRAM-셀 장치의 하나의 메모리 셀의 커패시터를 위한 홈(V)이 형성된다.  상기 홈(V) 내부에서는 절연부(I) 및 커패시터의 저장 노드(SP)가 형성된다.  상기 저장 노드(SP) 위에는 실리콘으로 이루어진 스페이서가 형성된다.  상기 스페이서의 제 1 부분은 경사 주입에 의해서 도핑된다.  스페이서의 제 1 부분을 상이하게 도핑함으로써 스페이서가 구조화된다.  구조화된 상기 스페이서를 마스크로서 이용함으로써, 저장 노드(SP)가 다만 홈(V)의 측면의 제한된 섹션에서만 기판(1)에 직접 인접하고 그 이외의 장소에서는 절연부(I)에 의해서 기판(1)으로부터 분리되도록, 상기 저장 노드(SP) 및 절연부(I)가 변형된다.
Patent KR-20010081005-A (KR)
IPC: H01L33/00
Filed: 1999-11-16
Abstract: 발광 다이오드용 양자 웰 구조(18)의 침적에 있어서, 각 웰층(34)은 두-상태의 과정에 의해 형성된다. 제1 상태에 있어서, 감륨 및 인듐의 상대적으로 높은 플럭스 속도가 적용된다. 제2 상태에 있어서, 감륨 및 인듐의 낮은 플럭스 속도가 사용된다. 웰층(34)은 웰층(34)의 수평 범위를 가로질러 변하는 조성을 갖도록 형성되며 통상적으로 인듐-부족 물질(38)의 영역으로 둘러싼 인듐-풍부 물질(36)의 클러스터를 포함한다. 결과적인 구조는 강화된 휘도 및 얇고, 윤곽이 뚜렷한 방사 스펙트럼을 나타낸다.
Patent KR-20010107973-A (KR)
IPC: C08K9/06
Filed: 1999-11-22
Abstract: 입자는 아미노 및 실란기를 함유하는 잔기의 동일 반응계내 형성에 의해 소수화된다.  본 발명은 친수성 무기 입자와 커플링제 자체를 반응시킬 필요 없이 커플링제의 관능성을 제공하기 위한 친수성 무기 입자 처리에 특히 유용하다.  처리된 입자는 예를 들면, 중합체를 위한 혼합제로서 사용될 수 있다.
Patent KR-20010089531-A (KR)
Title: Reverse linear polisher with loadable housing
IPC: H01L21/304
Filed: 1999-11-19
Abstract: The present invention is directed to a method and apparatus for polishing a surface of a semiconductor wafer using a pad moveable in both forward and reverse directions. In both VLSI and ULSI applications, polishing the wafer surface to complete flatness is highly desirable. The forward and reverse movement of the polishing pad provides superior planarity and uniformity to the surface of the wafer. The wafer surface is pressed against the polishing pad as the pad moves in both forward and reverse directions while polishing the wafer surface. During polishing, the wafer is supported by a wafer housing having a novel wafer loading and unloading method.
Patent KR-20020002387-A (KR)
IPC: H05K1/16
Filed: 2000-02-09
Abstract: 본 발명에 따라, 레지스터는 산화루테늄 및 생성되는 혼합물의 발화온도가 850℃ 내지 900℃로 되도록 충분량의 저온 발화 유리를 포함하는 레지스터 잉크로 부터 그린 테이프 스택에 스크린 프린트될 수 있다. 은으로 이루어진 도전층은 스크린 프린트 레지스터 층을 터미네이트하며, 발화 중, 단층 또는 이층의 그린 테이프가 레지스터 층 전반에 걸쳐 매립된 레지스터에 도포된다. 최종 도전층은 발화 후에 도포된다.
Patent KR-20010112434-A (KR)
IPC: G10L19/032
Filed: 2000-04-11
Abstract: 호프만 코딩 같은 기술들은 균일한 길이 심볼들을 사용하는 다른 코딩 기술들에 의해 표시될 수 있는 비-균일 길일 심볼들을 보다 효율적으로 사용하여 디지털 오디오 신호 성분들을 표시하도록 사용될 수 있다.  불행하게도, 호프만 코딩에 의해 달성될 수 있는 코딩 효율은 코딩되어야 할 정보의 확률 밀도 함수에 의존하고 상기 호프만 코딩 처리 자체는 고려가능한 프로세싱 및 메모리 자원들을 필요로 한다.  본 발명에 따른 이득-적응형 양자화를 사용하는 코딩 처리는 호프만 코딩의 결점을 극복하면서 비균일 길이 심볼들의 장점을 실현할 수 있다.  이득-적응형 양자화에서, 부호화될 신호 성분들의 크기들이 하나 이상의 임계값들에 비교되고 비교 결과에 따라 클래스들에 위치된다.  클래스들 중 하나에 위치된 성분들의 크기들은 성분들을 분류하기 위해 사용된 임계값에 관련되는 이득 계수에 따라 수정된다.  바람직하게는, 이득 계수가 임계값만의 함수로서 표현될 수 있다.  이득-적응형 양자화는 분할-대역 오디오 코딩 시스템들의 주파수 서브밴드 신호들을 부호화하기 위해 사용될 수 있다.  캐스케이드 이득-적응형 양자화, 내부-프레임 코딩, 분할-간격 및 비-오버로딩 양자화기들을 포함하는 추가적인 특징들이 개시되어 있다.
Patent KR-20020013577-A (KR)
IPC: G11B5/39
Filed: 1999-07-05
Abstract: 경질 강자성층을 이용한 스핀 밸브 자기 저항 효과 헤드 및 이를 이용한 자기 기록 매체 구동장치에 관한 것이다.  특히, 적어도 자유 자성층, 비자성 금속층, 고정 자성층, 반평행 결합 중간층 및 경질 강자성층을 포함하고, 그 고정 자성층의 자화 방향과 경질 강자성층의 자화 방향을 반 평행하게 설정하기 위해 반평행 결합 중간층을 사용하는 스핀 밸브 자기저항 효과 헤드, 및 그 헤드를 사용하는 자기 기록 매체 구동장치에 관한 것이다.
Patent KR-20020023967-A (KR)
IPC: C09K21/12
Filed: 1999-11-08
Abstract: 옥시삼할로겐화인과 비스페놀계 화합물을 반응시켜서 포스포로할리데이트를 제조하는 제1공정, 미반응의 옥시삼할로겐화인을 제거하는 제2공정, 상기 포스포로할리데이트와 모노페놀계 화합물을 특정 비율로 반응시키는 제3공정을 포함하는 방법에 의해 휘발성 성분의 함유량이 극히 적은 축합형 인산 에스테르가 제공된다.
Patent KR-20030062558-A (KR)
Title: Structure for exciting discharge in plasma lighting system
Inventor: CHOI JUN SIK
IPC: H01J65/04
Filed: 2002-01-17
Abstract: PURPOSE: A lamp turn-on facilitation structure is provided to achieve improved user convenience and operating reliability by permitting the electrodeless lamp to promptly turn on after being turned off. CONSTITUTION: A lamp turn-on facilitation structure comprises an electrodeless lamp(60) having a filler space(61) where the filler material generates plasma by an electromagnetic wave; and a conductor member(120) accommodated in the filler space of the electrodeless lamp and which forms an electric field by the electromagnetic wave. The conductor member includes a shape-maintaining member(121) having a diameter and a length for maintaining a physical shape; and a conductive coating film(122) coated over the shape-maintaining member.
Patent KR-20030064038-A (KR)
Title: Power Safety Monitor Apparatus of Communication System
Inventor: CHO HONG SEOK
IPC: H02H7/20
Filed: 2002-01-25
Abstract: PURPOSE: A power safety monitoring apparatus of a communication system is provided to detect abnormal states of the communication system by measuring voltages of a main VCC terminal, a ground terminal, and power input terminals of each module. CONSTITUTION: A power safety monitoring apparatus of a communication system includes a digital multi-meter(101), a main power cutoff relay(102), and a display portion(103). The digital multi-meter is connected to a main VCC terminal, a ground terminal, and power input terminals of each module of the communication system in order to detects abnormal states of the communication system and generate a cutoff control signal. The main power cutoff relay is used for performing a cutoff operation of the main power applied to the communication system. The display portion displays the measured results of the digital multi-meter.
Patent KR-20030065173-A (KR)
Title: Method of driving plasma display panel
Inventor: KIM DAE HYEON
IPC: G09G3/292
Filed: 2002-01-31
Abstract: PURPOSE: A method for driving a plasma display panel is provided to stabilize an address operation in a selective write/erase mixing method by widening the width of a pulse for generating the initialization discharge. CONSTITUTION: A sustain pulse is determined in a selective write subfield in order to generate the sustain discharge. The initialization discharge is generated in a selective erase subfield by setting a reset pulse. The width of the reset pulse is larger than the width of the sustain pulse of a selective erase subfield. A process for deciding the sustain pulse of the selective write subfield includes a process for deciding the first sustain pulse having the wide pulse width and a process for deciding the second sustain pulse having the narrow pulse width. The sustain discharge is generated in the selective erase subfield by using the first and the second sustain pulses.
Patent KR-20030067272-A (KR)
Title: Cash-back service system and method by on-line membership step by step
Inventor: LEE UI MAN
Filed: 2002-02-07
Abstract: PURPOSE: A system and a method for cash-back according to a level of an on-line member are provided to return a constant part of the profit obtained from customers to the customer by on-line. CONSTITUTION: A businessman server(100) operates a web site for the EC(Electric Commerce) selling an article through a membership system, and returns a part of the sales commission to the highest-level member of the recommended member if the article is sold by the buyer recommendation. A maker(200) connects to the businessman server(100) through the Internet(230) and delivers the article to the members(300a-300n) if a buying request is received from the businessman server(100). A settlement server(210) processes the buying settlement of the members(300a-300n) by on-line. A certification server(230) processes the member certification and the settlement certification by connecting to the settlement server(210) and the businessman server(100).
Patent KR-20030067352-A (KR)
Inventor: KWON O DAL
IPC: G02B6/00
Filed: 2002-02-08
Abstract: PURPOSE: A sensor using a polarization maintaining fiber grating is provided to detect correctly an optical signal by using a polarizing characteristics of a polarization maintaining fiber and a variation of the polarizing characteristics. CONSTITUTION: A sensor using a polarization maintaining fiber grating includes a light source(11), a polarization maintaining fiber(13a), a reflective grating(13b), an optical circulator(15), and a photoelectric conversion portion(17). The light source is used for generating an optical signal of a predetermined wavelength band. The polarization maintaining fiber is used as transmission path of the optical signal. The polarization maintaining fiber has a double refractive index. The reflective grating is formed on the polarization maintaining fiber. The optical circulator is inserted between the light source and the reflective grating in order to output the optical signal of the light source to the reflective grating through the first port and the reflected optical signal to the second port. The photoelectric conversion portion converts the optical signal of the second port to the electric signal.
Patent KR-20030068696-A (KR)
Inventor: OH IL HOAN
IPC: A61K35/28
Filed: 2002-02-15
Abstract: PURPOSE: Provided is an enhancement of in-vivo stem cell engraftment for treatment of tumor and incurable diseases by increasing STAT3 activity. CONSTITUTION: In-vivo stem cell engraftment for treatment of tumor and incurable diseases is characteristically enhanced by increasing STAT3 activity. The activity of STAT3 molecule directly controls the proliferation and inhibition of in-vivo stem cell engraftment. Therefore, the activity of SATA3 is increased by genetic manipulation or drug manipulation to enhance in-vivo self reproduction of engrafted stem cell.