baber/WOPTO huggingface dataset:
Patent KR-20000033366-A (KR)
Title: Apparatus for high speed image acquisition using multi frame memory
Inventor: LEE IN HO
IPC: H04N5/225
Filed: 1998-11-23
Abstract: PURPOSE: An apparatus for high speed image acquisition using multi frame memory is provided to enable host computer to read memory of other frame while A/D converter is writing on the frame memory. CONSTITUTION: An apparatus for high speed image acquisition includes a camera, an A/D converter, a multi frame memory block(21), a host computer, and a frame memory selector(22). The camera(10) takes an analog image. The A/D converter converts the analog image signal to digital image data. The multi frame memory block(21) stores the digital image data converted in the A/D converter. The host computer reads the digital image data stored in the multi frame memory block(21) by way of a PCI bus. The frame memory selector selects a frame memory not used by the host computer and acknowledges the frame memory to the A/D converter(21). The frame memory selector(22) selects a frame memory used by the host computer and acknowledges the frame memory to the A/D converter(21).
Patent KR-20000033685-A (KR)
Title: Cathode ray tube
Inventor: LEE BONG WOO
IPC: H01J29/86
Filed: 1998-11-25
Abstract: PURPOSE: A cathode ray tube is provided which has a funnel shape optimizing the convergence characteristics of an electron beam in case that the curvature of an inner surface of a panel is above 2.0R. CONSTITUTION: In order to optimize the convergence characteristics, a cathode ray tubeincludes: a panel where a screen is formed on an inner surface; a funnel which is connected to the panel and where a deflection yoke is installed on a part of an outer circumference; and a neck part which is connected to the funnel and where an electron gun is inserted to the inside. An outer surface(15) of the panel is formed flatly and the curvature of the inner surface is above 2.0R. The shape of a cone part(14) of the funnel becomes more non-circular as going from the neck part to the panel.
Patent KR-20000033800-A (KR)
Title: Apparatus for controlling height of control box for heavy equipment
Inventor: KIM HAK SIN
IPC: B66C13/00
Filed: 1998-11-25
Abstract: PURPOSE: An apparatus for controlling height of a control box is provided to secure convenience in operating a control lever by controlling the height of the control lever depending on various physical conditions of a driver. CONSTITUTION: A button(14) on a control box(12) is compressed in a P direction when a control lever(10) moves toward a driver. The control lever rotates counterclockwise centering upon a hinge pin(15). A rod(17) of a gas spring(18) is contracted through a cable(16) in a tension state of the gas spring. The control box rotates clockwise centering upon a hinge axis on a suspension plate. Therefore, the control lever moves toward a driver through the rotation of the control box.
Patent KR-20000038033-A (KR)
Title: Method for testing board using intelligent knowledge base
Inventor: KANG YONG O
IPC: H04B17/00
Filed: 1998-12-03
Abstract: PURPOSE: A method for testing board using intelligent knowledge base is provided to improve the reliability and the accuracy of a test by displaying an accurate pin number and a location number of a device in which an error is occurred on a monitor screen. CONSTITUTION: A test program and a booting program are classified in a space of a shared memory of a memory to compose the memory, and pin information of a device to be tested and information to an external device are stored in the memory(ST1). A function test of the device to be tested is performed according to items, and it is discriminated whether an error is occurred when testing the function(S2,ST3). A result of a successful item is displayed on a screen when the error is not occurred(ST4). Pin information and device information to an error item are displayed on the screen when the error is occurred(ST5).
Patent KR-19990066833-A (KR)
Title: 데이터 기억 장치 및 그의 제어 방법
IPC: G11B20/00
Filed: 1998-12-08
Abstract: 기억 매체에 대한 데이터를 판독 및/또는 기입하는 데이터 기억 장치에 있어서, 제 1 식별자를 기억하는 기억부와, 상기 데이터 기억 장치에 세트되는 기억 매체 상에 기록되는 제 2 식별자를 획득하는 식별자 획득부와, 상기 제 1 식별자를 상기 제 2 식별자와 비교하여, 상기 제 1 식별자와 상기 제 2 식별자 간의 관계에 의거하여 상기 기억 매체에 대한 데이터의 판독 및/또는 기입을 위한 액세스를 제어하는 제어기를 구비하는 것을 특징으로 하는 데이터 기억 장치가 제공된다.  예를 들어 제 1 식별자가 제 2 식별자와 일치하지 않으면 제어기가 데이터의 판독 및 기입을 위한 기억 매체의 액세스를 금지하고, 상기 제 1 및 제 2 식별자가 일치하면 제어기가 데이터의 판독 및 기입을 위한 기억 매체에 대한 액세스를 허가한다.  기억 매체 상에 기록된 식별자와 다른 식별자를 갖는 기억 장치는 데이터의 판독 및 기입을 위한 기억 매체에 대한 액세스를 금지하기 때문에 기억 매체 상에 기록된 데이터의 기밀이 보장된다.
Patent KR-19990071438-A (KR)
Title: 영구적인 대전방지성을 갖는 폴리에스테르 섬유, 이의 제조방법및 이를 이용한 기모제품
IPC: D01F6/62
Filed: 1998-12-16
Abstract: 본 발명은 내구성이 강한 정전기 방지 화합물을 사용하여 폴리에스테르 섬유의 중합원료에 첨가하여 영구적인 정전기 방지성을 발휘할 수 있는 폴리에스테르 섬유, 이의 제조방법 및 이를 이용한 기모제품에 관한 것으로, 좀 더 상세하게는 폴리에스테르 섬유의 제조방법에 있어서, 테레프탈릭산과 에틸렌글리콜을 에스테르 반응시키는 단계; 하기 화학식 1로 표시되는 소디움알칸설포네이트를 40∼50℃에서 에틸렌글리콜에 용해시키는 단계, 및 상기 반응물에 265∼290℃의 진공분위기하에서 상기 용해물을 첨가하여 중합시키는 단계로 제조된 영구적인 대전방지성을 갖는 폴리에스테르 섬유, 이의 제조방법 및 이를 이용한 기모제품에 관한 것이다. 
     [화학식 1] 
     
       
     
     여기서, m은 5 내지 30이다.
Patent KR-19990063239-A (KR)
Title: 복합섬유 및 그것의 부직포
IPC: D04H1/54
Filed: 1998-12-19
Abstract: 본 발명은 작은 데니아의 섬유로 제조하기가 용이하고 유연하고 양호한 촉감 및 적당한 강도를 갖으며, 결과적으로 각종 용도의 소재로서 사용하기에 적합한 복합섬유 및 상기 복합섬유로 된 부직포를 제공한다. 
     상기 복합섬유는 그 일부가 분자량분포(Mw/Mn)가 1.5~3.5인 프로필렌중합체로 이루어진다. 프로필렌중합체는, 바람직하게는, 단부위촉매에 의해 얻어지는 중합체이어도 좋다. 
     복합섬유는 프로필렌중합체로 이루어지는 코어부와 에틸렌중합체로 이루어지는 시이드부를 가진 코어-시이드구조를 갖거나, 또는 프로필렌중합체로 이루어지는 섬유부외 에틸렌중합체로 이루어지는 섬유부를 가진 측대측구조를 가져도 좋다.
Patent KR-20000041000-A (KR)
Title: Process for ice cream cone and device thereof
Inventor: LEE YONG DON
IPC: A23G9/04
Filed: 1998-12-21
Abstract: PURPOSE: A process for an ice cream cone is provided which prevents an ice cream cone wafer from destroying due to moisture and damaging while molding. CONSTITUTION: A process for an ice cream cone is comprised of: kneading wheat flour, sugar and additives; putting the mixture into the mold comprised of a ventilating inlet(20) which wraps the circumference of the inlet for inserting a mixture and a nozzle to install heated air and cooled air through the ventilating inlet(20) and heating the mixture at 120-180°C for 8-12sec.
Patent KR-20000041849-A (KR)
Title: Multifunctional analog trunk circuit
Inventor: KIM KYEONG HWAN
IPC: H04M7/14
Filed: 1998-12-23
Abstract: PURPOSE: An analog trunk circuit is provided to remove inconvenience to exchange a previous trunk circuit into a new trunk circuit, which is appropriate for an environment in a switching system, by making the analog trunk circuit be operated as a multifunctional analog trunk circuit by software control. CONSTITUTION: An analog trunk circuit has a TIP terminal, a RING terminal, an M terminal, and an E terminal which are connected to a central office line. The analog trunk circuit is connected to a switching circuit through a predetermined transformer, a hybrid circuit, and a CODEC(coder-decoder). The analog trunk circuit connected between the terminals and the switching circuit comprises first relay and second relay(RL9A,RL9B), a third relay(RL1A), a ring path(40), a TIP ground detecting circuit(20), a fifth relay(RL25B), a RING ground enable circuit(80), a bridge diode(BD), sixth relay and seventh relay(RL17A,RL17B), a bypass circuit(50), a RING and hose detecting circuit(60), a feeding circuit(70), an eighth relay(RL25A), and a hose signal detecting circuit. The first/the second relays are driven to control a polarity reverse in a direct inward dialing tie line(DID) trunk mode. The third relay is connected between an output side of the first relay and an upper side of a first winding. The third relay is driven to occupy a loop in a loop trunk mode or a ground start trunk mode. The ring path supplies a transmitting path of a ring signal, when the ring signal is led-in from the central office line. The fourth relay driven in the ground start trunk mode is cut off when the loop is occupied by the third relay. The TIP ground detecting circuit detects the grounded TIP terminal in the ground start trunk mode. The fifth relay is driven in the ground start trunk mode. The ring ground enable circuit grounds the RING terminal in the ground start trunk mode. The bridge diode propagates and rectifies a signal transmitted through the ring path. The sixth/the seventh relays are driven to supply a dial pulse in a loop trunk or the ground start trunk mode. The bypass circuit bypasses a direct current(DC) voltage output from the bridge diode in the loop trunk or the ground start trunk mode. The ring and hose detecting circuit detects the ring signal and a hose signal, and detects the hose signal in the DID trunk mode. The feeding circuit supplies predetermined power to the sixth/the seventh relays in the DID trunk mode. The eighth relay grounds the M terminal when the eighth relay is idle, and is driven in an E and M trunk mode to supply the power to the M terminal. The hose signal detecting circuit detects the hose signal in the E and M trunk mode.
Patent KR-20000041913-A (KR)
Title: No.7 signal network management protocol
Inventor: HA JAE GYUNG
IPC: H04L29/06
Filed: 1998-12-24
Abstract: PURPOSE: A No.7 signal network management protocol is provided to reduce a signal link set and a load of a signal point by storing and transferring access state variation information to a plurality of signal points in an extended transfer prohibited(XFP) or extended transfer allowed(XFA) message. CONSTITUTION: In a No.7 signal network management protocol, in a case where a signal link set transitions to an unusable state, a transfer prohibited(TFP) message to each of signal points communicating by use of a corresponding signal link set is transferred to an XFP message through an usable signal link set. In a case where the unusable signal link set transitions to an usable state, a transfer allowed(TFA) message to each of accessible signal points by use of a corresponding signal link set is transferred to an adjacent point where an XFA message is accessed through another signal link set instead of the signal link set. The XFA message is generated, and then is transferred to an adjacent signal point through an usable signal link set. The XFP message comprises COUNT(n) indicating the number of prohibited signal points, DEST(1)_L-DEST(n)_L indicating eight lower bits of a signal point code changed into an access prohibition, and DEST(1)_H-DEST(n)_H indicating six upper bits of a signal point code changed into an access prohibition.
Patent KR-20000043788-A (KR)
Title: Method for producing complex melting zinc plated steel plate
Inventor: KIM SANG HYEON
IPC: C23C2/06
Filed: 1998-12-29
Abstract: PURPOSE: A method for producing a complex melting zinc plated steel plate is provided to improve corrosion resistance by making silica or alumina exist on the surface of plating layer among zinc plated layers. CONSTITUTION: Temperature of a plating steel plate is converted to weight between 300 and 600°C. Then, a colloidal solution containing 0.001 to 20% of silica or alumina and water as the rest part is mist-sprayed. Before a solution drop sprayed from a nozzle is attached to a steel plate, a high voltage of (-) or (+) single polarity is electrified to the voltage of more than 1 KV and less than 100 KV. Thereby, the complex melting zinc plated steel plate having an excellent corrosion resistance is produced by spraying the drop on the surface of the steel plate with a static electric attraction force.
Patent KR-20000043951-A (KR)
Title: Inverter driving apparatus using one power source
Inventor: LEE SANG GYUN
IPC: H02M1/32
Filed: 1998-12-29
Abstract: PURPOSE: An inverter driving apparatus using one power source is provided to simplify the circuit design with a low cost by using a voltage as a power supply used for a pulse width modulation signal through charging. CONSTITUTION: An optical coupler(100) converts a PWM signal into an optical signal to turn on a transistor(Q1). A first switching device(S1) is turned on and off according to the operations of the optical coupler(100). A second switching device(S10) is turned on and off by the PWM signal. A third switching device(S2) is turned on and off according to the turn-on and turn-off of the second switching device(S10). A capacitor(C1) is charged with a voltage and discharges the charged voltage. A diode(D10) blocks a reverse application of a voltage to a driving power source.
Patent KR-20000044122-A (KR)
Title: Vibration motor
Inventor: BAEK HYUNG JIN
IPC: H02K5/15
Filed: 1998-12-30
Abstract: PURPOSE: A vibration motor is provided to shorten the length of the mobile communication terminal by forming a sealing cap provided on a brush base in and on the same plane with respect to an outer side of the brush base. CONSTITUTION: A brush base(200) is pressure-fitted into one end of a case(100) and has a through hole(220) communicating with the inside of the case(100). A foreign material inflow preventer(800) is inserted to be of the same plane to the outer side of the brush base(200) and blocks the inflow of an extraneous matter into the through hole(220). A communicator(400) is located on the case(100) adjacent to the brush base(200) and applied with a current from external through selective contacts with the brush(230) of the brush base(200). A shaft(500) is inserted into a guide hole(310) of a housing(300).
Patent KR-20000044594-A (KR)
Title: Circuit for generating negative voltage of semiconductor device
Inventor: LEE SEONG HUN
IPC: H03K19/00
Filed: 1998-12-30
Abstract: PURPOSE: A negative voltage generating circuit is provided to economize a current consumption of a body bias applied to a P-well. CONSTITUTION: A negative voltage generating circuit comprises a Vpp detector(21), a switch(22), a controller(23) and a latch circuit(24). The Vpp detector(21) is operated responsive to an inverted version of an output signal(cut) of the controller(23), and detects whether a voltage(Vpp) reaches a predetermined voltage level. The Vpp detector(21) outputs a low level signal(det) when the voltage(Vpp) reaches a predetermined voltage level. The switch(22) transfers an output signal of the Vpp detector(21) to the latch circuit(24) in response to the output signal(cut) of the controller(23). The latch circuit(24) latches the signal transferred through the switch(22) to output the latched signal as a pump start signal(pump_strt) through an inverter(25). The controller(23) consists of an inverter(30) and an NOR gate(31), and generates the signal(cut) in response to the pump start signal(pump_strt) and a pump up signal(pwrup).
Patent KR-20000045303-A (KR)
Title: Manufacturing method of liquid crystal element of thin film transistor
Inventor: YOU BONG RYUL
IPC: G02F1/1343
Filed: 1998-12-30
Abstract: PURPOSE: A manufacturing method is provided to reduce the manufacturing cost by reducing the number of masks used in the process of forming the TFT LCD. CONSTITUTION: A device comprises a glass substrate(21), a gate line(22), a gate electrode(22a), a supporting capacity line(23), a metal pattern(24), a gate insulation layer(25), a semiconductor layer(26a), a data line(27), a pixel electrode(28), and a protection layer(29). A manufacturing method comprises a step of depositing the metal layer on the entire glass substrate; a step of patterning the metal having a bar form after patterning the metal layer; a step of applying the gate insulation layer on the entire glass substrate; a step of forming the semiconductor layer on the gate insulation layer by carrying out the exposing process; and a step of exposing the metal pattern by etching the gate insulation layer.
Patent KR-19990028821-A (KR)
Title: 자동 입체 디스플레이 장치
IPC: G02B27/22
Filed: 1997-04-01
Abstract: 자동 입체 디스플레이 장치는 디스플레이 패널(10)을 구비하고 있고, 이 디스플레이 패널은 광 유도기 수단(15), 예컨대 상기 디스플레이 패널의 위에 있는 렌즈 시트와 함께 동작하며, 상기 디스플레이 패널은 보다 높은 해상도의 다수의 뷰가 얻어질 수 있도록 행의 디스플레이 소자(12)의 개수를 증가시키기가 수월한 플라즈마 주소지정 전자 광학형의 매트릭스 디스플레이 패널을 구비하고 있다.
Patent KR-19990035968-A (KR)
IPC: B03C1/00
Filed: 1996-07-24
Abstract: A magnetic filter device for filtering ferromagnetic material from a fluid in which said material is suspended, has a pair of annular plates (5, 6) attached to either side of an annular magnet (2) of smaller diameter. Pairs of pole pieces (11, 12) radially disposed on the plates (5, 6) are aligned so as to generate fields of magnetic flux which promote the collection and retention of ferromagnetic material between the pairs of polepieces (11, 12).
Patent KR-19990063785-A (KR)
Title: 가스센서 및 이의 제조공정
IPC: G06F3/13
Filed: 1996-09-27
Abstract: 전극들과 촉매에 관련되는 신뢰성과 내구성이 개선된다. 
     가스센서는 가스검출소자와 가스검출소자의 적어도 일부를 덮는 가스 선택투과요소를 포함하고, 검출될 가스를 포함한 가스들은 상기 가스 선택투과요소를 통해 상기 가스검출소자와 접촉하게 된다.
Patent KR-19990077247-A (KR)
Title: 지지 버팀대를 가지는 차량
IPC: B60S9/10
Filed: 1997-02-18
Abstract: 본 발명은 자주식 콘크리트 믹서 또는 모빌 크레인과 같은 차량에 관련된다.  상기 차량은 섀시(10)와, 연장성 기저부(26)에 의해 지면에 고정할 수 있는 하나 이상의 텔레스코프식으로 끼워지는 버팀대(22)를 포함하는데, 상기 기저부는 섀시(10)의 세로면에 대해 제 1 안으로 접혀진 단부(D)로부터 섀시로부터 횡방향으로 뻗어있는 제 2 단부 위치(A,B)로, 차량의 세로축과 평행을 이루는 회전축(18) 둘레에서, 지지 버팀면 상의 링크 장치(40)와 섀시측의 링크 장치(36) 사이에 뻗어있는 유압 실린더(32)에 의해 움직일 수 있다.  충분한 안정성을 가지면서, 차량의 한쪽 측부에서 적절하게 단단히 유지되도록, 본 발명은, 작업 실린더(32)가 연결되었을 때, 섀시 링크 장치(36)가 구동 성분를 통하여 섀시(10)에 대해 조절할 수 있고 둘이상의 기설정된 위치에서 섀시(10)에 고정할 수 있다.
Patent KR-19990087313-A (KR)
Title: 공동 연속 상을 갖는 광학 필름
IPC: G02B1/04
Filed: 1997-02-18
Abstract: 본 발명은 연속 복굴절 매트릭스내에 배치된 중합체 입자의 분산 상을 포함하는 광학 필름에 관한 것이다. 필름은 통상 연신에 의해 하나 이상의 방향으로 배향된다. 분산 상 입자의 크기와 형상, 분산 상의 부피 분율, 필름의 두께 및 배향의 양은 생성된 필름에 목적 파장의 전자기 복사의 총 투과율 및 목적하는 확산 반사율을 얻도록 선택된다.
Patent KR-20000064811-A (KR)
IPC: C07D471/04
Filed: 1997-04-24
Abstract: Described is a process for the preparation of Compound (7) in accordance with the following reaction scheme by reacting Compound (5) with ethylene glycol in a solvent in the presence of a Lewis acid, thereby obtaining Compound (6), and then reacting the resulting compound with a carbonate diester in a solvent in the presence of a metal alkoxide (R<1>, R<6> each represents a C1-6 alkyl group or the like and R<5> represents H or C1-5 alkyl group). <CHEM>   Compound (7) so obtained is useful as an intermediate for camptothecins useful as antitumor agents.
Patent KR-19990067749-A (KR)
Title: 위상록루프회로
IPC: H03L7/089
Filed: 1999-01-06
Abstract: 개시된 내용은, 전압제어발진수단의 발진출력과 기준신호간의 주파수 및 위상차를 제 1의 비교수단에 의해 비교하고, 제 1의 충전펌프가 제 1의 비교수단에 의해 행해진 비교결과에 기초해서 시정수를 충방전하는 PLL회로에 관한 것이다. 
     전압제어발진수단의 발진출력과 기준신호간의 주파수 및 위상차는, 상기 제 1의 비교회로를 구성하는 플립-플롭회로의 출력을 증폭하는 버퍼를 가지는 제 2의 비교수단에 의해 비교되며, 제 2의 충전펌프가 상기 제 2의 비교수단에 의해 행해진 비교결과에 기초해서 시정수를 충방전한다.  제 2의 비교수단의 위상차-출력전압특성의 이득은 제 1의 비교수단보다 높으며, 상기 제 2의 비교수단은 위상차-출력전압특성에 불감대를 가진다.  한편, 불감대를 해소하기 위한 제 1의 지연회로를 제 1의 비교수단 내로 삽입한다.
Patent KR-20000011182-A (KR)
Inventor: OKITAKA DAKENORI
IPC: G11C29/00
Filed: 1999-03-03
Abstract: PURPOSE: A BIST circuit used for LSI(large scale integrated) memory is provided to reduce manufacturing cost without extensive external tester by having self-repairing functions. CONSTITUTION: The BIST circuit comprises a repairing code generating register(7) for generating and storing the repairing code about redundancy memory cell used instead of an error memory cell if comparing results from a comparator(3) exist the error memory cell; a selector(6) for selectively outputting data in the repairing code generating register(7) and a GO/NG register(4); and a self-repairing circuit(8) for repairing the error memory cell according to the repairing code.
Patent KR-20000052270-A (KR)
Inventor: LEE HEON U
IPC: H01L21/304
Filed: 1999-01-14
Abstract: PURPOSE: An apparatus for cleaning a wafer is provided to improve reliability of a semiconductor device by controlling a defect like a void on a metal layer even though another metal layer is stacked after cleaning the metal layer formed on a wafer. CONSTITUTION: An apparatus for cleaning a wafer comprises an overflow-type cleaning tank(11) for cleaning the wafer, a deionized water supplying pipe(22) connected to a bottom of the cleaning tank, an exhaust valve for rapid exhaust and an exhaust valve for slow exhaust. The exhaust valve for rapid exhaust is established in a first exhaust pipe connected to the bottom of the cleaning tank. The exhaust valve for slow exhaust is established in another part of the bottom of the cleaning tank to control deionized water remaining on the wafer when the wafer is cleaned in the cleaning tank longer than a cleaning time.
Patent KR-19990077922-A (KR)
Title: 회전검출센서를가지는전동기
IPC: H02K29/08
Filed: 1999-03-16
Abstract: 본 발명에 따른 회전검출센서를 가지는 전동기에는, 한 쌍의 맞물림홈이 정류자의 수지원통몸체의 축방향 단면상에 제공된다. 영구자석은 그의 축방향의 일단면이 상기 원통몸체의 축방향 단면에 인접하면서 모터의 회전축 둘레에 파지된다. 한 쌍의 맞물림홈은 자석의 축방향 타단면상에 제공된다. 원통부와 원반부를 가지는 수지 부싱은 자석의 축방향 타단면의 측부에서 상기 회전축 상에 압입된다. 한 쌍의 맞물림돌기는 상기 원통몸체의 맞물림홈에 맞물려지도록 원통부상에 형성되어 상기 부싱과 원통몸체 사이에서의 관련운동을 규제한다. 또한, 한 쌍의 맞물림돌기는 상기 자석의 맞물림홈에 맞물려지도록 원반부 상에 형성되어 상기 부싱과 자석사이에서의 관련운동을 규제한다. 이에 따라, 상기 회전센서의 자석은 접착제를 사용하지 않고도 회전축의 둘레에 견고하게 설치된다.
Patent KR-20000061499-A (KR)
Inventor: PARK DONG HUN
IPC: G03G15/08
Filed: 1999-03-26
Abstract: PURPOSE: A developing device of an image forming apparatus is provided to supply a specific space of a process unit housing with a regular amount of developer by dividing a developer case and a developing unit, which facilitates an increase of uniformity/quality of images. The developing device does feedback a portion of the developer into the process unit housing by rotation of a cam member, so that the developer can be prevented from becoming solid. CONSTITUTION: The developing device comprises a process unit which is uniformed in a process unit housing(22) by the medium of a common hole(23), including a developing case(21). The common hole has a square-shape and is used as a channel to move the developer(2) to the developing unit, when the developer is fallen. A sheet structure(30) of a square-shape is made of elastic material, wherein developer penetrating holes(31) are formed. In addition, a rocking device works the developer into easily run to the developer penetrating holes. Fixing the sheet structure to the common hole brings division between the developer case and the developing unit, so that a specific space(24) is formed within a side of the process unit housing. The space(24) is used as a chamber filling out the developer.
Patent KR-20000061782-A (KR)
Inventor: KWON SUN BEOM
IPC: G02F1/1335
Filed: 1999-03-31
Abstract: PURPOSE: A reflective liquid crystal display is provided to improve the brightness without obscuring a purity of a color tone. CONSTITUTION: A reflective liquid crystal display includes a primary plate(30) and a secondary plate(32), which is transparent and insulated. An optical absorption layer(34) under the secondary plate(32), absorbs a light, and generally made of a material like a polymer for the absorption. The optical absorption layer(34) is spreaded on a back side of the secondary plate(32). On the secondary plate(32), a cholestric liquid crystal is spreaded, and patterned to form a cholestric liquid crystal color filter layer(36). A transparent conductive metal is attached on the color filter layer(36), and patterned to form a secondary electrode(38). A liquid crystal(40) is injected between an upper plate and a lower plate. A primary electrode(42) is located on the liquid crystal(40), and a primary plate(30) is located on the primary electrode(42). And a phase shift plate(44) is located on the primary plate(30), and a linearly polarized light plate is layered on the phase shift plate(44).