baber/WOPTO huggingface dataset:
Patent KR-20030021708-A (KR)
Title: Device for linear motioning of tray for microwave oven
Inventor: LEE GWAN HO
IPC: F24C15/16
Filed: 2001-09-07
Abstract: PURPOSE: A tray moving apparatus used in a microwave oven is provided to effectively use an internal space of a heating chamber of the microwave oven by forming a tray in a rectangular shape corresponding to a sectional shape of the heating chamber of the microwave oven. CONSTITUTION: A tray(10) is provided in a heating chamber of a microwave oven in order to place foods to be heated thereon. A roller assembly(26) is positioned between a bottom surface(20) of the heating chamber and the tray(10). The tray(10) has a rectangular shape corresponding to a shape of the bottom surface(20) of the heating chamber. The roller assembly(26) includes a frame(26b) having a flat-plate shape, and a plurality of rollers(26a) installed at both sides of the frame(26b). A groove(26c) is formed at a center of the frame(26b). A longitudinal length of the groove(26c) is slightly larger than a linear moving distance of the tray(10).
Patent KR-20030022452-A (KR)
Title: An arcade premium game method and the apparatus
Inventor: JUN JU YEONG
IPC: G07F17/32
Filed: 2001-09-10
Abstract: PURPOSE: An arcade free gift game method and apparatus for the game are provided to secure the popularity by feeling an amusement of the game extremely, thereby easily enjoying the game regardless of age or sex. CONSTITUTION: An apparatus for implementing an arcade free gift game method includes a key input block provided with various key input buttons for processing the game, a sensor/switch block for sensing the moving status of a drawing apparatus(22) and the position status of a rod(24), a control block for controlling the movement of the drawing apparatus(22) and the operation of the rod(24) in response to the output signals from the key input block and the sensor/switch block, a motor driving block for driving the drawing apparatus(22) and the rod(24) in response to the control signal of the control block and a display for displaying the status and result of the game process in response to the control signal of the control block.
Patent KR-20030023390-A (KR)
Title: Photocatalyst sol having high transparency and photoactivity and preparation method for the smae
Inventor: CHOI SANG GYO
IPC: B01J37/02
Filed: 2001-09-13
Abstract: PURPOSE: Provided is a photocatalyst sol with high transparency and photoactivity, which is applicable to the fabrication of photocatalyst thin coatings on building interior, glass, aluminum chassis, lighting device and kitchenware. Also, a preparation method of the photocatalyst sol using titanium compounds is provided. CONSTITUTION: The method for preparing a photocatalyst sol includes the steps of mixing (a) titanium compounds selected from the group consisting of titanium isopropoxide, isopropoxide, TiCl4, and TiSO4, (b) organic solvents selected from ethanol, isopropanol, 2-butanol and ethyleneglycol, (c) surfactants selected from triton X-100, tween-20 and tween-80, (d) water and (e) catalysts, followed by heat treatment at 70 to 100 deg.C; mixing the resultant mixture solution with a binder solution; and agitating it at ambient temperature for 2 to 24 hrs to evaporate solvent, wherein the volatilization is continued until transparency of photocatalyst sol is over 90 % at 600 nm when one dip-coats the photocatalyst sol on slide glass. The photocatalyst sol exhibits greater photoactivity than 500 %/hr/% on methylene blue solution.
Patent KR-20030025414-A (KR)
Title: Sensor mounting apparatus for air conditioner
Inventor: KIM CHI WAN
IPC: F24F1/02
Filed: 2001-09-20
Abstract: PURPOSE: A structure for mounting a sensor of an air conditioner is provided to mount the sensor directly on an air cleaner. CONSTITUTION: A thermistor(99) is mounted on an air cleaner(90) to prevent freezing around the air cleaner. A fixing part(95) is formed on one side of a case(91) of the air cleaner. A plurality of legs(96) are formed on the fixing part to face each other. Extending direction of the legs is opening direction of the case. Fixing protrusions are formed on front ends of the legs. Sloping surfaces are formed on the fixing protrusions to face the sloping surfaces of the facing legs.
Patent KR-20020024806-A (KR)
Inventor: HANAFUSA HIROSHI
IPC: H01M10/38
Filed: 2001-09-26
Abstract: PURPOSE: Provided are a sealed type battery obtained by supplying a solution of an electrolyte solution without installing an exclusive solution supplying port, and an its manufacturing method. CONSTITUTION: The sealed type battery(1) comprises a cap body(4) which is mounted on an opening part of battery can and seals the opening part by welding. In the battery, an opening part is sealed when a gap part is formed on a part of meeting part between surroundings of the cap body(4) and the opening part of the battery can(2). The opening part of the gap part(11) is sealed after the electrolyte solution is supplied from the gap part(11). The sealed type battery(1) uses nonaqueous electrolyte solution as the electrolyte solution.
Patent KR-20030029266-A (KR)
Inventor: JUN IN GU
IPC: H01L21/66
Filed: 2001-10-05
Abstract: PURPOSE: A test handler is provided to reduce an indexing time of a test tray by adopting a vertical docking structure of a test head and also adopting a two-column simultaneous transport system. CONSTITUTION: The test handler performs test by carrying a plurality of semiconductor devices to be connected to a test head and classifies the plurality of semiconductor devices according to the test result. The test handler comprises a body(110), and a stocker(120) having a user tray supply part(121) stacked with a plurality of user trays(120a) and a user tray shipment part stacked with the plurality of user trays, and a plurality of test trays(150) arranged along a movement direction for testing the above devices. A device loading unit moves the devices from the user tray of the user tray supply part to the test tray. The first tray inversion unit(161) stands the test tray vertically. A soak chamber(162) prepares a desired test temperature condition as transporting the test trays and outputs the test trays by arranging them into two vertical columns. A test chamber(163) connects the device in the test trays being output from the soak chamber to the test head. A desoak chamber(164) restores the temperature of the device. The second tray inversion unit(165) inverts the test tray being output in a vertical state from the desoak chamber into a horizontal state. And a device unloading unit classifies the devices on the test tray according to the test result and then moves them to a number of empty trays.
Patent KR-20030030507-A (KR)
Title: Method for sold out indication for vending machine
Inventor: SEO EUN GYUN
IPC: G07F9/02
Filed: 2001-10-11
Abstract: PURPOSE: A goods sellout display method of a vending machine is provided to reduce a cost of a vending machine, a disorder frequency and a visual fatigue, by reducing a lamp number. CONSTITUTION: If a consumer inputs a coin in a vending machine, a money judging part confirms an input amount of money and outputs an amount-of-money signal to a main control part(S200). The main control part judges goods corresponding to the input amount of money and confirms whether a goods sellout sense signal is output from a goods sellout sense signal of a corresponding goods(S210). If received, a push lamp of the corresponding goods is off(S220). If not received, the push lamp of the corresponding goods is on(S230).
Patent KR-20030032315-A (KR)
Title: Lid Open Assembly Structure of Console Box
Inventor: JUNG JONG BOK
IPC: B60R7/04
Filed: 2001-10-17
Abstract: PURPOSE: A structure for opening a lid of a console box is provided to improve the convenience of a vehicle by easily opening/closing the lid of the console box at front and rear seats. CONSTITUTION: In a lid opening/closing the body of a console box, the lid is composed of a main lid and an auxiliary lid. Both support bars(7a,7b) of the auxiliary lid are connected to the front part of both support bars(6a,6b) of the main lid by a hinge connecting pin(8).
Patent KR-20030032597-A (KR)
Title: The waterproof and method of one water-typae multipolymer
Inventor: KIM GWON TAEK
IPC: C09K3/18
Filed: 2001-10-16
Abstract: PURPOSE: Provided are a one-packing, waterproof coating of multi-polymer, which prevents leakage and corrosion of concrete building and civil construction, and a method for producing the same. CONSTITUTION: The coating is produced by the steps of (i) mixing a composition A consisting of 18-20 wt% of bisphenol, 15-20 wt% of ethylene vinyl acetate, and 40-50 wt% of toluene, and a composition B consisting of 35-50 wt% of styrene butadiene rubber, 30-35 wt% of xylene, 20-25 wt% of solvent, and 5-15 wt% of MIBK(Methyl Isobutyl Ketone) in a mixing ratio of 1:4 with stirring, so as to form a mixture, and (iii) adding 15-20 wt% of talc, 20-25 wt% of barium sulfate, 0.05 wt% of dibenzo thiazyl disulfide, 0.07 wt% of antifoaming agent, 4 wt% of colorant, and 0.07 wt% of 3C(N-phenyl-N-isopropyl-p-phenylenediamine) to the mixture.
Patent KR-20030033810-A (KR)
Title: High voltage semiconductor devcie having burried transistor and method for fabricating the same
Inventor: KIM YONG GUK
IPC: H01L29/772
Filed: 2001-10-25
Abstract: PURPOSE: A high voltage semiconductor device having a buried transistor and a manufacturing method thereof are provided to be capable of reducing process difficulties due to the topology of a gate, and improving the degree of integration and operational characteristics. CONSTITUTION: An SOI(Silicon On Insulator) substrate(20) is formed by sequentially forming a buried oxide layer(12) and a silicon layer(13) on a silicon substrate(11). An isolation layer(22) connected with the buried oxide layer is formed on the predetermined portion of the buried oxide layer for defining an active region. After forming a trench in the active region, a gate(29) is formed on the center portion of the trench and a polysilicon spacer(30) is formed at both sidewalls of the trench, simultaneously. At this time, the polysilicon spacer is used as a buffer, thereby increasing breakdown voltage. A source and drain region(27) are formed at both sides of the gate(29). An interlayer dielectric(31) is formed on the resultant structure. The first, second and third metal wiring(34a,34b,34c) are formed on the interlayer dielectric for contacting the gate, the source and drain region, respectively. At the time, a transistor is buried in the trench, so that difficulties caused by the topology of a common transistor are solved.
Patent KR-20030037051-A (KR)
Title: The realtime transmission system of traffic volume
Inventor: JUNG HYUN KI
IPC: H04W4/12
Filed: 2001-11-01
Abstract: PURPOSE: A system for transmitting real time road traffic information is provided to improve an efficiency of the road by receiving a road traffic state in accordance with a desired time, a desired road, the number of times of transmissions in a day, and a wanted transmission medium. CONSTITUTION: A user connects to a web site, joins to the web site as a member, and stores information such as a name of a road, a desired time, the number of times, and a desired medium. Road traffic information stored in real time is transmitted to a network camera, a network camera server, and a web server. The user receives the stored road traffic information through the web site. In the case that the user does not receive the road traffic information through the web site, the information is transmitted from the web server to an SMS server, a PDA, or a CDMA 2000 server in accordance with the information stored in the web site by the user. The road traffic information is transmitted from the SMS server, the PDA, or the CDMA 2000 server to a terminal of the user in accordance with the information set by the user in advance.
Patent KR-20030037152-A (KR)
Title: Door structure for an aircraft
Inventor: KIM DONG NAM
IPC: B64C1/14
Filed: 2001-11-02
Abstract: PURPOSE: A door structure is provided to prevent the tolerance in a hinge portion though the opening frequency of a door is increased. CONSTITUTION: A door(20) of an airplane is opened and closed by at least one hinge shaft and at least two pairs of hinge portions(30a,30c;30b,30d). A torsion spring(50) is inserted in the hinge shaft between the two pairs of hinge portions. Introduced extending portions(50a,50b) are closed to the door and a fixed extending portion is closed to an airplane(10). Thereby, the shock to the hinge portions and the accidents of an operator are prevented by preventing the tolerance in the hinge portions and the sudden closing of the door.
Patent KR-20030043534-A (KR)
Title: Non-halogen flame-retardant composed of inorganic compounds
Inventor: CHOI YEONG SEON
IPC: C09K21/04
Filed: 2001-11-28
Abstract: PURPOSE: An inorganic compound based flame retardant composition which has high temperature resistance and does not generate harmful gases to be ecologically favorable is provided. CONSTITUTION: The flame retardant composition comprises 100 parts by weight of aluminum phosphate having the P/Al mole ratio of 1 to 3.5, 50 to 150 parts by weight of one or more fillers such as various oxides, carbides, nitrides, borides and hydroxides, and 1 to 10 parts by weight of a curing accelerator such as tin, tin compounds and zinc oxides. The flame retardant composition can be applied to a resin, fiber, paint, pigment, coating, paper, wood, carpet, curtain and plastic product.
Patent KR-20020055367-A (KR)
Title: Disposable diaper
Inventor: ISHIGURO KENJI
IPC: A61F13/15
Filed: 2001-12-06
Abstract: PURPOSE: Provided is a disposable diaper excellent in leak-preventive property and preventing leak occurrable particularly around the leg areas. Also, the disposable diaper is excellent in storage/retainment of an auxiliary absorber, wear and/or fitness at the crotch region. CONSTITUTION: The disposable diaper(1) includes a fluid-permeable topsheet(2), a fluid-impermeable backsheet(3) and a fluid-retentive absorbent core(4) interposed between the topsheet(2) and the backsheet(3). The disposable diaper is formed in a substantially vertically elongated configuration and has a stomach side(B), a back side(A) and a crotch region(C) positioned between the stomach side and the back side. A second absorbent core(6) is disposed at an outside region of each opposite side edge(6a,6b) of the absorbent core at the crotch region in a longitudinal direction of the diaper, and an elastic member(8) is disposed at the region where the second absorbent core is disposed in a longitudinal direction of the diaper.
Patent KR-20030047289-A (KR)
Title: Mobile phone for controlling timbre of music
Inventor: KIM BEOM JUN
IPC: H04B1/40
Filed: 2001-12-10
Abstract: PURPOSE: A mobile communication terminal for adjusting the sound quality of music is provided to listen to the music with a better sound quality by voluntarily adjusting a frequency band of the music outputted through the mobile communication terminal. CONSTITUTION: A sound quality adjusting button(214) selects a frequency band of a music outputted through a speaker(213) according to the selection of a user. A control unit(215) controls the output of the music designated by the user through a keypad(212) so that the output frequency band of the music is identical to the frequency band selected by the sound quality adjusting button(214). A codec(217) converts a music signal transmitted from the control unit(215) into a signal suitable for the speaker(213). A variable gain amplifier(218) amplifies the music signal converted by the codec(217) at a frequency band corresponding to its gain adjusted according to the control of the control unit(215), and outputs the amplified music signal to the speaker(213).
Patent KR-20020047012-A (KR)
Inventor: APPEL FRITZ
IPC: C22F1/00
Filed: 2001-12-14
Abstract: PURPOSE: A method for the treatment of metallic materials is provided to improve consolidation of the texture and also apply for very brittle materials, which has, so far, been difficult to transform such as inter-metallic alloys. CONSTITUTION: The method for the treatment of metallic materials, especially for the consolidation of the texture of metallic materials, including the steps of: a) providing a blank of a metallic material, b) heating the blank to a transformation temperature and c) deforming the blank by twisting the blank about a longitudinal axis thereof. The blank is compressed during the twisting in the direction of the longitudinal axis. In this way, the texture can be refined to a large degree in a simple and inexpensive manner.
Patent KR-20030054536-A (KR)
Title: Method for piling up the blending ores
Inventor: PARK TAE JIN
IPC: C22B1/16
Filed: 2001-12-26
Abstract: PURPOSE: A method for piling up blending ores is provided to pile up blending ores of improved quality by simplifying piling block and layers composing the piling block, thereby enabling constituent stabilization of the blending ores and constituent improvement of the blending ores as reducing cost of feeding blending facility. CONSTITUTION: In a method for piling up blending ores, the method for piling up the blending ores comprises the steps of supplying the divided blending ores into feeding facility by dividing the blending ores into 15 types of blending ores according to constituents of the blending ores; forming first piling layer by feeding ore Nos. 1, 4, 7, 10 and 13; forming second piling layer by feeding ore Nos. 2, 5, 8, 11 and 14 on the upper part of the first piling layer; forming a piling layer by feeding a balance of ore Nos. 3, 6, 9, 12 and 15 on the upper part of the second piling layer; and forming an ore pile layer consisting of 3 blocks and 9 layers by repeating the above steps three times, wherein the particular ore is piled up as one layer if weight of the particular ore is 1,500 tons or less while the particular ore is dispersed into two layers if weight of the particular ore exceeds 1,500 tons in case that a particular ore that is not included in the divided 15 types of blending ores is introduced while piling up the blending ores.
Patent KR-20030059529-A (KR)
Title: Solvent born silicone paper release coating
Inventor: JUN YUN SU
IPC: D21H17/59
Filed: 2001-12-29
Abstract: PURPOSE: Provided is a solvent type silicon paper release agent which involves excellent solidity and decreased residual adhesion rate, and excellent air-exposing resistance, thereby being effectively used for the paper releasing. CONSTITUTION: A solvent type silicon paper release agent comprises 100 pts.wt. of silicon vinyl gum(A) expressed by the formula 1, polymethylhydrogen siloxane copolymer(B) expressed by the formula 2, 5-15 wt.% of silicon hydrogen resin(C) expressed by the formula 3:(R3SiO1/2)w(R2SiO2/2)x(R1siO3/2)y(SiO4/2)z, 0.1-1 wt.% of platinum group organic metal-based complex compound(D), and unsaturated hydrocarbon retardant. In the formula 1, R1, R2 and R3 are CH3 or CH=CH2, m is positive integer of 0-10,000, and n is positive integer of 1-100. In the formula 2, R4 is organic radical where one or more hydrogen atoms are substituted or not, (w,z)>0, and (x,y)>=0 provided that w+x+y+z=1, and 0<={(x+y)/2}>=0.4.
Patent KR-20010090815-A (KR)
IPC: A01N43/04
Filed: 1999-11-02
Abstract: 본 발명은 비수성 액상에 현탁되어 있거나 용해되어 있는 목초용 제초제, 비수성 액상에 현탁되어 있는 설포닐우레아 유형의 제초제 및 하나 이상의 계면활성 물질을 함유하는 액상 제초제 조성물에 관한 것이다.
Patent KR-20010101308-A (KR)
Title: Coating Agent
IPC: C09D133/08
Filed: 1999-12-22
Abstract: The invention relates to a coating agent, containing at least one conversion product (A) and at least one suitable additive (C), (A) being produced according to a method comprising the following step (i): (iv) reacting a reaction mixture comprising at least one radically convertible monomer in radical conditions, (a) in the presence of at least one radical initiator and a compound (I) of formula (II) wherein R1 to R4 each represent, independently of each other, hydrogen, an unsubstituted or substituted alkyl radical, cycloalkyl radical or aralkyl radical or an unsubstituted or a substituted aromatic hydrocarbon radical, on the condition that at least two of R1 to R4 represent an unsubstituted or a substituted aromatic hydrocarbon radical, in an aqueous phase
Patent KR-20030009036-A (KR)
IPC: G11B17/028
Filed: 2000-01-21
Abstract: 허브(160)의 내측면(165)에 대해 축(175)의 외측면(170)을 밀봉하기 위한 장치 및 방법이 제공된다.  밀봉체는 상부 및 바닥 극편(260,265)을 갖춘 자석(155) 및 상기 극편(260,265)과 허브(160) 또는 축(175) 사이의 간극(275)내에 자기적으로 유지되는 페로풀루이드(270)를 포함한다.  상부 극편(260)은 자석(155)에 평행한 수평부(260a)와 상기 축(175)과 대향하는 짧은 수직부(260b)를 갖춘 L형 횡단면을 가진다. 일 실시예에서, 수직부(260b)와 그에 대향하는 축(175)의 일부분은 간극(275)내에 페로풀루이드(270)를 축방향으로 집중시키는 자속 구배를 제공하는 형상을 가진다.  다른 일면에 있어서, 캐쳐(335)는 페로풀루이드 밀봉체(185)가 외측 밀봉체를 형성하는데 사용될 때 페로풀루이드(270)의 손실을 감소시키도록 제공된다.  또다른 일면에 있어서, 정적인 페로풀루이드 밀봉체(345)는 회전 허브(355)에 대해 고정축(350)을 밀봉하기 위해 제공된다.
Patent KR-20010104703-A (KR)
IPC: H03M7/50
Filed: 2000-01-18
Abstract: 복수의 슬롯들을 포함하는 프레임을 갖는 모뎀에서의 방법은, 들어오는 DIL 열 정보가 A-법칙 또는 mu-법칙을 포함하는지를 결정하는 단계를 제공한다.  상기 DIL 열 정보로부터, 각 슬롯에 대한 정렬된 레벨들의 테이블이 발생된다. 모든 비 손실된 비트 슬롯들의 레벨들은 평균화되고, 평균 레벨들은 A-법칙/mu-법칙 분리 함수에 연관된다.  분리 함수 F1(n1, n2)= {L(i)-2*[L(i-16]}는 유효하게 제 1 복수의 레벨들 L(i)의 값들을 제 1 복수의 레벨들로부터 16개의 레벨들이 제거된 제 2 복수의 레벨들의 값들의 2배와 비교한다(420).  상기 합은 문턱값과 비교되며(430), 그 합은 A-법칙 값들에 비해서 더 작고, mu-법칙 값들에 비해서 더 크다.
Patent KR-20020001744-A (KR)
Title: 노 방출 시스템과 그 운영방법
IPC: F27B9/16
Filed: 1999-02-26
Abstract: 본원은 로타리 노상 노(10)로부터 재료를 제거하는 노 방출 시스템과 그 운영 방법에 관한 것이다.  상기 시스템은 로타리 노상 노(rotary hearth furnace)(10)의 노상(18)위에 배치된 적어도 2개 재료 방출 오거(auger)(28,30)를 구비한다.  각각의 방출 오거(28,30)는 재료 제거위치로부터 상승된 재료 우회 위치로 교차식 순차적(alternating sequence)으로 방출 오거(28,30)의 높이 조정이 가능하게 작동적으로 장착된다.
Patent KR-20010109304-A (KR)
IPC: G06F17/30
Filed: 2000-03-02
Abstract: 본 발명은 선언 설명서를 수용하는 단계와 상기 선언 설명서를 실행하기 위한 과정 언어 코드를 생성하는 단계를 포함하는 데이터 저장소로부터 데이터를 추출하기 위한 과정 언어 코드를 생성하는 방법이다.
Patent KR-20010112352-A (KR)
Title: A sizeless yarn, a method of making it and a method of using it
IPC: D02J1/08
Filed: 2000-03-16
Abstract: A yarn having good entanglement and good quality, preferably a multifilament polyamide yarn, a method for making the yarn, and a woven fabric made from the yarn wherein the yarn comprises the following properties: the yarn length per defect is greater than or equal to about 3000 meters per defect; the maximum skip length is less than or equal to about 120 millimeters; the ratio between yarn length per defect to maximum skip length is greater than or equal to about 50; the entanglements per meter times the average entanglement strength is greater than or equal to about 120; and the yarn can be woven sizeless. The yarn of the invention is useful in the sizeless weaving of fabric used in air bags.
Patent KR-20020006535-A (KR)
IPC: H04B7/26
Filed: 2000-04-07
Abstract: 이동 단말기(130)가 동시에 사용하는 상이한 유형의 서비스들의 균형과 속도 정합을 가능하게 하는 통신시스템(100)과 방법(600)이 제공된다. 보다 상세히 말하면, 통신시스템(100)은 상대 오프셋 측정치들과 규정된 규칙들 사용하여, 멀티플렉스된 서비스들을 처리하는 물리적 채널의 비트율에, 서비스를 각각 처리하는 다수의 전송채널(300)들의 비트율들을 정합시킬 수 있는 망(120)과 이동 단말기(130)를 포함한다. 망(120)은 이동 단말기(130)기에 상대 오프셋 측정치들을 할당하고 신호로 전송한다.
Patent KR-20020023221-A (KR)
Title: 연료 분사 시스템의 구성 부재에 사용하기 위한 나선형압축 스프링
IPC: F16F1/06
Filed: 2001-03-29
Abstract: 본 발명은 연료 분사 시스템의 구성 부재, 특히 연료 분사 밸브(1) 형태인 구성 부재에 사용하기 위한 나선형 압축 스프링(40)에 관한 것이다. 상기 나선형 압축 스프링(40)은 원형 엣지를 갖는 사각형에 대응하는 스프링 와이어 단면과 단단하게 위로 휜 나선형 압축 스프링(40)의 내부를 구성하는 내부면(46)을 갖는다. 스프링 와이어의 단면 윤곽은 상기 나선형 압축 스프링(40)이 응력을 받을때 전단 변형을 감소시키고, 이에 의해 동일한 스프링 비율(K)을 유지하는 동안 나선형 압축 스프링(40)의 길이를 감소시킨다. 나선형 압축 스프링에서 서로 향하는 스프링 와이어의 측표면(42)은 대략 거의 평행하므로, 이들은 나선 높이(H)가 상기 영역에서 감소되기 때문에 나선형 압축 스프링(40)의 단부에서 서로 평평하게 접촉하며, 이에 의해 나선형 압축 스프링(40)이 예응력을 받을때에 스프링력의 감소를 회피한다.
Patent KR-20020071719-A (KR)
IPC: G11C16/02
Filed: 2000-02-28
Abstract: 본 발명은 독출, 기록을 용이하게 하는 불휘발성 메모리 회로를 제공한다. 
     특히, 다치 또는 아날로그치를 기억하는 경우에 유효하다. 본 발명은, 플로팅 게이트를 갖는 기억용 트랜지스터(Nc)와, 플로팅 게이트를 갖는 귀환용 트랜지스터(Nf)를 소스 공통으로 접속하여, 양 트랜지스터의 드레인 측에 부하 회로를 설치한다. 그리고, 기억용 트랜지스터(Nc)의 드레인과 귀환용 트랜지스터(Nf)의 플로팅 게이트 사이에 부귀환 회로를 설치한다. 부귀환 회로의 예로서는 기억용 트랜지스터의 드레인에 게이트가 접속되어, 게이트 전압에 따른 전압을 출력 단자에 생성하는 출력 트랜지스터(P2)이다. 이 출력 단자와 귀환용 트랜지스터의 플로팅 게이트가 접속된다. 이러한 메모리 회로에서는 기억용 트랜지스터(Nc)의 플로팅 게이트의 전하량에 따른 전압치와 출력 단자(OUT)의 출력 전압치가 동일하게 되도록 동작하기 때문에, 기억용 트랜지스터의 플로팅 게이트의 전압치를 직접 검출할 수 있다.