baber/WOPTO huggingface dataset:
Patent KR-930010649-B1 (KR)
Title: Audio output control circuit for speakers and headphones
Inventor: OH JI-BYONG
Filed: 1991-09-24
Granted: 1993-11-02
Abstract: The audio signal of a compound home  appliance  comprising  a VCR, a CDP, and a TV is selected abitrarily  and  outputs  through main speaker or headphone. The circuit includes a  controller  (2) for generating switch control signal (A,B),  audio  level  control signals (C1,C2,C3), a TV/VCR control signal,  and  a  CDP  control signal according to key signal generated  by  a  key  matrix  (1), switches (5,6) for selecting  audio  source  according  to  switch control signals (A,B) generated by  the  controller  (2),  and  an audio controllers (8,9) for  controlling  level  of  audio  signal passed through the switches (5,6).
Patent KR-940008694-B1 (KR)
Title: Conducting paste composition for inner electric poles of multi-layer ceramic condenser
Inventor: PARK SANG-JIN
IPC: H01G4/12
Filed: 1991-10-25
Granted: 1994-09-24
Abstract: The paste composition is 50-52 % of palladium, and 48-50 % of organic vehicle. The said vehicle consists of 2-2.5 % hexylene glycol, 4-9 % hydroabiethylalcohol, 2-7.5 % staybelite 10 ester, 6-6.5 % ethyl hydroxy ethylcellulose, and 78-80 % solvent. The paste is prepared by mixing the said components until the fineness of grind (FOG) reaches 10 μm, and by 3-roll milling until FOG reaches 2 μm. The inner electrode is produced by screen printing, laminating, pressing, and firing the paste on a ceramic sheet at 1200-1300 deg.C.
Patent KR-940005700-B1 (KR)
Title: Method of shortening the test time of memory device
Inventor: LEE CHANG-YOP
IPC: G11C29/00
Filed: 1991-11-19
Granted: 1994-06-22
Abstract: The method for reducing testing time of a memory device includes the steps of counting the number of error bits in a process of checking whether a memory pattern is normal; if the number of error bits is greater than the number of spare row/column bits, stopping a pattern checking procedure, thereby reducing the testing time of the memory device.
Patent KR-950007831-B1 (KR)
Title: Sequential switcher system for frame switching
Inventor: KIM GI-CHOL
IPC: G08B13/18
Filed: 1991-12-27
Granted: 1995-07-20
Abstract: The sequential switcher guards overall objects during the rotation period and provides telerecording function of frame unit. This switcher provides the function that eliminates tremble effect and overlap. The system consists of a micom(22), the first multiplexer(2), the first sync. separator(12), the second MUX(4), the second sync. separator(14), monitor(18), the fourth MUX(8), the third MUX(6) and the fifth MUX(10).
Patent KR-940008138-B1 (KR)
Title: Output buffer circuit
Inventor: CHON TAE-SU
IPC: G11C7/00
Filed: 1991-12-28
Granted: 1994-09-03
Abstract: The input buffer circuit having a NOR circuit for receiving a chip select signal and an external input signal and an inverter circuit for amplifying an output signal of the NOR circuit includes a pull-up circuit for receiving an output signal of an inverter circuit and pulling up the output signal of the NOR circuit at high speed, thereby improving a high speed operation of a highly integrated semiconductor memory device.
Patent KR-950010122-B1 (KR)
Title: Theroplastic resin composition having excellent gloss
Inventor: PARK HONG-SOP
IPC: C08L51/04
Filed: 1991-12-30
Granted: 1995-09-07
Abstract: The thermoplastic resin has good surface polish, formability and impact resistance. The resin is composed of copolymer(A) 30-60wt.%, copolymer(B) 40-70wt.%, organosilicon compds 0.01-0.10wt.% and lubricant 1.0-3.0wt.%, and its conjugated diene rubber content is 10-25wt.%. The copolymer(A) comprises 30-70wt.% conjugated diene rubber composed of 70-80wt.% of 0.10-0.25um particles and 20-30wt.% of 0.25-0.3um particles; 20-50wt.% aromatic vinyl monomer; and 5-30wt.% cyanovinyl monomer, and copolymer(B) comprises cyanovinyl monomer 25-35wt.% and aromatic vinyl monomer 65-75wt.%.
Patent KR-960005449-B1 (KR)
Title: Magnetic recording medium
Inventor: FUNAKI KEISUKE
IPC: G11B5/73
Filed: 1991-04-29
Granted: 1996-04-25
Abstract: A magnetic recording medium comprises a stretched film comprising a styrene copolymer having a highly syndiotactic structure of the compsn. thereof or a laminated film comprising the stretched film. A magnetic layer is applied to at least one surface of the base film which has a coefft. of linear expansion of smaller than 5x10power(-5)/C and a static frictional coefft. of 0.1-1.0. Also claimed are: (1) a thermoresistant magnetic tape comprising above mentioned stretched film and a magnetic layer located at one side of the base film which has elasticity (at room temp.) in both machine direction (MD) and transverse direction (TD) of more than 30,000kg/cm2 each, the ratio of of elasticity in MD to that of TD of more than 1.8, elasticity in MD at 90 deg. C of more than 10,000 kg/cm2, coefft. of linear expansion at 0-90 deg. C of smaller than and 5x10power(-5)/deg. C and surface smoothness Ra of 0.001-0.03. (2) a magnetic disc, wherein the base film has a coefft. of linear expansion in MD (2MD) or TD (2TD) of smaller than 5-10power(-5)/ deg. C, the ratio of 2MD/2TD of 0.3-3, same Ra as in (1), and thickness of 20-200 m; and (3) a magnetic card, wherein the base film has a coefft. of linear expansion of smaller than 7-10power(-5)/deg.C whiteness of more than 75 and thickness of 500-1000 micron.
Patent KR-950003942-B1 (KR)
Title: Method of manufacturing thin film transistor for lcd
Inventor: KIM NAM-DOK
IPC: H01L29/786
Filed: 1992-02-26
Granted: 1995-04-21
Abstract: forming a gate electrode on an insulation substrate of glass materials; depositing a gate insulation layer on the whole surface of the above structure; forming a first photosensitive film pattern on the gate insulation layer forming a conductor layer in the upper part of the high-concentrated semiconductor layer; forming a source electrode and a drain electrode by sequently removing the first photosensitive film pattern; forming semiconductor layer on the whole surface of the above structure; forming a protective layer in the upper part of the semiconductor layer; forming a second photosensitive film pattern in the upper part of the protective layer so as to protect the gate insulation layer and a part of the source electrode and the drain electrode.
Patent KR-100237508-B1 (KR)
Inventor: GAFFNEY ANNE M
IPC: C10G11/05
Filed: 1992-04-27
Granted: 2000-01-15
Abstract: 인 및 H-ZSM-5를 함유하는 스팀활성화 촉매가 고급 탄화수소를 500 -700℃의 바람직한 온도 범위 및 10-1000hr -1 의 바람직한 WHSV 범위에서 저급 올레핀, 특히 에틸렌, 프로필렌, 부틸렌류 및 펜텐류로 전환시키는 데 사용되어질 수 있다. 20내지 60의 표면 Si/Al비를 가지는 H-ZSM-5 함유 촉매는 60 보다 큰 표면 Si/Al비를 가지는 H-ZSM-5 함유 촉매보다 더 쉽게 스팀 활성화되고 더 높은 활성화도를 가진다는 것이 발견되었다.
Patent KR-940009146-B1 (KR)
Title: Plasma address type lcd
Inventor: KWON KI-DOK
IPC: G02F1/135
Filed: 1992-04-30
Granted: 1994-10-01
Abstract: The device uniformly performs discharging between the two electrodes, and obtains the maximization of screen by the plasma addressing method. The device includes the 1st and 2nd substrates which has liquid crystal, a data electorde of the stripe shaped, the 3rd substrates which has the groove, 1st (210) and 2nd (220) electrodes which generates the plasma discharge on the groove, a bus line (211) connecting to one of the 1st and 2nd electordes (210)(220), resistor lines (212) connecting to the bus line (211) and formed between 1st electrode and bus line thus not generating the voltage drop.
Patent KR-950009735-B1 (KR)
Title: Process for producing thermoplastic resin
Inventor: CHO HYONG-JIN
IPC: C08F2/22
Filed: 1992-05-13
Granted: 1995-08-26
Abstract: The thermoplastic resin is prepared by the steps of : preparing a polymer of vinyl aromatic cpd. by adding Mw cotrolling agent, initiator, emulsifier and grafting agent into vinyl aromatic cpd. and emulsion polymerising; continuously adding vinyl aromatic cpd. and vinyl cyanic cpd. copolymerisable with the obtd. polymer; and emulsion polymerising the moduct to obtain the thermoplastic resin of a block or branched type coplymer.
Patent KR-950012550-B1 (KR)
Title: Method of manufacturing a nor type memory cell for vlsi
Inventor: KIM JONG-OH
IPC: H01L27/112
Filed: 1992-06-09
Granted: 1995-10-18
Abstract: sequentially vacuum-evaporating a pad oxidizing film, a nitriding film, a polysilicon film and a low temperature oxide(LTO) film, selectively etching the LTO film and vacuum-evaporating the nitriding film; anisotropically etching the nitriding film to form a first nitriding film spacer; etching all of the LTO film to grow a part of the polysilicon film exposed to a thermal oxidizing film, removing the polysilicon film positioned on and under the nitriding film spacer, sequentially etching the nitriding film and the pad oxidizing film and implanting impurity for formation of a bit line; forming an active area oxidizing film on the area where the impurity is implanted, forming the bit line on n+ active area on which the bit line is buried, removing the thermal oxidizing film, the nitriding film, and the pad oxidizing film and vacuum-evaporating a polysilicon film for the growth of a gate oxidizing film and the formation of a word line; forming a second nitriding film spacer and etching the LTO film to expose the word line polysilicon film; and growing the upper surface of the polysilicon film exposed to be the thermal oxidizing film, sequentially etching the second nitriding film spacer, the polysilicon film, and the gate oxidizing film, and implanting a separate impurity between buried n+ active areas on which the word line is covered.
Patent KR-950006490-B1 (KR)
Title: Making method of transistor
Inventor: CHOE JONG-MUN
IPC: H01L29/78
Filed: 1992-07-22
Granted: 1995-06-15
Abstract: The method includes the steps of sequentially forming a high concentration of N impurity layer (12) and a P epitaxial layer (13) on a semiconductor substrate (11), etching the layers (12,13) except a device formation area, forming a low concentration of N impurity layer (14) on the layer (13), implanting and heat-treating O2 ions thereinto to form an oxide film (17) at a middle depth portion of both sides of the layer (12), forming a gate insulating film (18) thereon to form a first and second gate electrodes (20,19), and forming a high concentration of P impurity layer (21) into the layer (16), thereby forming a horizontal transistor on a vertical transistor to reduce the chip size.
Patent KR-970005735-B1 (KR)
Inventor: MATSUDA NAOKO
IPC: H01L31/04
Filed: 1992-10-07
Granted: 1997-04-19
Abstract: 내용 없음.
Patent KR-960000355-B1 (KR)
Title: Washing tub including ceramic and chitosan
Inventor: MIN SEUNG-KEE
IPC: D06F37/02
Filed: 1992-10-07
Granted: 1996-01-05
Abstract: The washing machine consists of plastics of 89-97 percent, master dispose for color of 2-6 percent, and ceramic compound of 1-5 percent, the ceramic compound being compounded by far infrared rays emission ceramic of 96~99 percent and kitosan of 1-4 percent.
Patent KR-960012502-B1 (KR)
Title: 40 mili-second even field data generator for hd-mac
Inventor: KIM YOUNG-SANG
IPC: H04N7/015
Filed: 1992-10-07
Granted: 1996-09-20
Abstract: even address generator units(10,16) for generating the even filed horizontal/vertical axis address x/y to extract the even field data from the odd field data using the move vector which displays the move of the even field as a vector referring to the entirely reconstructed odd field data and field; odd field address generator units(12,18) for generating odd field horizontal/vertical axis address x'/y' by combining the even field address(x,y) and the moving vector; and an even field data extraction unit(14) for extracting the even field data using the odd field address.
Patent KR-100265218-B1 (KR)
Inventor: JAMES W CONARY
IPC: G06F12/08
Filed: 1992-10-15
Granted: 2000-09-15
Abstract: 마이크로프로세서는 버스속도 또는 그 속도의 배수에서 선택적으로 동작한다. 마이크로프로세서는 마이크로프로세서내의 동작을 위한 클록신호와 버스상의 데이타 전송동작을 위한 버스클록신호를 발생시키는 위상동기루프를 포함한다. 
     본 발명은 마이크로프로세서코어가 번지/데이타버스와 동일한 주파수 또는 2배의 주파수에서 동작할 수 있게 해준다.
Patent KR-0124375-B1 (KR)
Title: Method of searching viss by using double index mark
Inventor: KIM MYUNG-JE
IPC: G11B27/032
Filed: 1992-12-15
Granted: 1997-11-28
Abstract: Disclosed is a VISS search method using double index marks. The method includes a program recording step which is formed of a process to insert an index mark when starts a recording and another process to insert an index mark when finishes the recording, an input step which receives a set value of an index and a specification of the VISS operation, a search step which searches the index mark until the set value input from the input step, and a VISS operation step which performs the VISS operation according to the specification input from the input step. Thus, the inconvenience that an user has to search a program recorded on a tape can be solved.
Patent KR-0172100-B1 (KR)
Title: Method for tagging articles used in conjunction with an electronic article surveillance system and tags or labels
Inventor: GILL PETER L
IPC: G09F3/00
Filed: 1990-10-04
Granted: 1999-05-01
Abstract: Electronic article surveillance (EAS) tags (20) are attached to articles of merchandise, not at the store (16) using EAS equipment (18), but in conjunction with the manufacture (10) of these articles. At that stage, the tags (20) are not detectable by the EAS equipment (18). They are made detectable upon receipt by an EAS-using store (16). For swept frequency RF EAS equipment (18), the tags (20) are initially provided with two capacitors (24, 25) which make the tags (20) resonant at a first frequency not detectable by the store's EAS equipment (18). To activate them, one capacitor (24, 25) is disabled, thereby making the tags (20) resonant at a different frequency which is detectable. <IMAGE>
Patent KR-960005881-B1 (KR)
Inventor: MINAMIDE KATSUHIRO
IPC: B21B27/00
Filed: 1992-01-09
Granted: 1996-05-03
Abstract: 내용 없음.
Patent KR-950003257-B1 (KR)
Title: Electric current control device of an inverter welder
Inventor: YUN JONG-MIN
IPC: B23K9/073
Filed: 1993-02-10
Granted: 1995-04-07
Abstract: The device for increasing the quality of the welding by generating the stabilized arc current, has a micro-processor CPU for controlling the increasing speed of the current when the output is short. The device has the current detectors (15,18) for detecting secondary output current of the current supply section (5); amplifier (19) for amplifying the sccondary current; a detector (20) for detecting the short of the secondary output; a comparing device (22) for controlling the output of pulse-width modulation signal in PWM generating circuit (21). The device comprises a level changing circuit (30) for changing the level for adapting the amplified current to the digital signal switching; an A/D convertor (31) for changing the analog signal to the digital signal for reading the signal in CPU (32).
Patent KR-960002516-B1 (KR)
Title: Waste hg recovering method and apparatus using porosimeter
Inventor: LEE KWON-SOO
IPC: B01D11/02
Filed: 1993-03-13
Granted: 1996-02-22
Abstract: The removing method of a mercury comprises (a) filtering a waste mercury mixed with a solid material and an oil used in the porosimeter by the filter, (b) passing the filtered residual oil and the waste mercury through the vertical separating column to separate the mercury and the oil, (c) layer separating the separated mercury and the oil from the polar solvent-contg. layer by the their density differences, and (d) separating the low density oil from the upper layer of the solvent, and the high density mercury from the lower layer of the solvent. The polar solvent is acetone, alcohol, ether, chloroform or ethyl acetate.
Patent KR-950003261-B1 (KR)
Title: Linear welding device of a lower side flame in power shovel
Inventor: KIM TAE-JU
IPC: B23K37/02
Filed: 1993-03-13
Granted: 1995-04-07
Abstract: The apparatus for automatically welding a lower side frame having a plurality of the reinforced plates with the base plate, comprises the welding-wire tracking guide rollers (52)(53) having a plurality of power mollers (22)(23) for loading / unloading welding torches (25)(26) running forward or backward along the rollers (52)(53); a feeding section on the device (27), for supplying the welding wire (61) to the torches (25)(26); subsidiary rollers (33)(34) for helding the power moller, lifting when the welding material is input/output. The apparatus simultaneously welds the left/right sides after the welding material input to the power moller is fixed according to the already-input program.
Patent KR-100274799-B1 (KR)
Title: Apparatus for controlling power on/off sequence of liquid crystal display(lcd)
Inventor: OH JAE CHEOL
Filed: 1993-04-24
Granted: 2001-02-01
Abstract: PURPOSE: An apparatus for controlling a power on/off sequence of a liquid crystal display(LCD) is provided, which controls a power off sequence properly while turning the power off. CONSTITUTION: The apparatus performs a timing control during a power off, and includes a power switch(1), a voltage delay unit(10), an LCD power sequence control logic(2), an LCD(3) and a high voltage discharger(11). An input voltage(+5V DC) is inputted to the power switch through an input port(20) and is supplied or blocked to the LCD power sequence control logic according to an on/off operation of the power switch. The LCD power sequence control logic supplies a high voltage(-19V) power and a low voltage(+5V) power to the LCD device with an appropriate timing. The voltage delay unit is charged with +5V when the power switch is on, and supplies the charged voltage(+5V) to the LCD power sequence control logic when the power switch is off. The high voltage discharger is connected to a front stage of the power switch with a signal line(25) to sense an on/off of the power switch.
Patent KR-950010993-B1 (KR)
Title: Gas burner
Inventor: SO JU-BONG
IPC: F23D99/00
Filed: 1993-05-11
Granted: 1995-09-26
Abstract: The gas burner is designed to heat the contents within a non-metallic bowl such as a disposable styrofoam bowl by submerging the heating head of the burner into the bowl and igniting the burner. It comprises an adapter(20) having a hole(21) and a fuel supply passageway(22) connected to a fuel gas vessel; the burner head(10) including a nozzle member(30) with a multiple of jet holes(31) and the other fuel supply passageway(32); a water-proof cap(40) covering the nozzle member(30); a fastening ring(60), fixed between the adapter(20) and the nozzle member(30), having a multiple of support rods(61) and air flow passageways(62).
Patent KR-960010423-B1 (KR)
Title: Angular vibration sensor fastening apparatus
Inventor: PARK KYU-YEUN
IPC: G01C19/56
Filed: 1993-05-31
Granted: 1996-07-31
Abstract: The apparatus imposes a prior pressure on the angular vibration sensor by selecting a screw fastening method when assembling the sensor in order to remove a measurement error caused by a thickness of a conductive epoxy adhesive. The apparatus comprises: a ceramic piezo-electric body(30) having poling electrodes on a upper and a lower surface; a seismic inertia(20) arranged on the upper surface of the ceramic piezo-electric body(30) to generate a stress correspondent to an angular vibration displacement; a printed circuit board(40) contacting with the lower surface of the ceramic piezo-electric body(30); a bolt(10), passing through holes(21,31,41) to fasten with a nut(50) at the lower face of the printed circuit board(40).
Patent KR-950005431-B1 (KR)
Title: Method for preparing of wholly aromatic polyamide fibers
Inventor: CHOE WON-JUN
IPC: D01F6/60
Filed: 1993-06-08
Granted: 1995-05-24
Abstract: An aromatic diamine compound and an aromatic dicarboxylic acid compound were polymerized to give a wholly aromatic polyamide polymer having an inherent viscosity more than 4.5. The polymer was mixed at 70-85 deg.C within 10 min in a sulfuric acid solvent of the concentration of 99-101%, defoamed at 75-90 deg. C within 30 min and filtrated gave an optical anisotropic sulfuric acid dope. The dope was spun through a spinning nozzle to give a wholly aromatic polyamide fiber. Thus, p-phenylene diamine and terephthaloyl chloride were polymerized, and the obtained poly-p-phenylene terephthalic acid amide(inherent viscosity 5.2) was mixed in 99.7% sulfuric acid, defoamed and spun to give the polyamide fiber.
Patent KR-960011861-B1 (KR)
Title: Semiconductor device isolation method
Inventor: YANG WON-SUK
IPC: H01L21/32
Filed: 1993-06-10
Granted: 1996-09-03
Abstract: The method of isolating semiconductor device comprises the steps of : forming a buffer layer(24) on a semiconductor substrate(20); forming an oxidation-preventive pattern(26) having an open to reveal some of the buffer layer(24) and defining an isolation region on the buffer region(24); forming an undercutting region(27) by etching the revealed buffer layer(24) isotropically; forming an oxidation-preventive spacer(28) burying the undercutting region(27); forming a field oxide film(30) by oxidizing the exposed buffer layer(24) and the surface of the substrate.
Patent KR-950010949-B1 (KR)
Title: Apparatus for detecting abnormal phenomenon of transmission line
Inventor: KIM SANG-RYONG
IPC: G06F13/38
Filed: 1993-07-20
Granted: 1995-09-26
Abstract: The circuit detects the short between transmission line and power source or ground in the data transmission, and improves the confidence of data transfer by protecting the system from over current. The circuit includes a data input uint(1) which controls the input of transfer data by control signal(TCTL1), a data transmission unit(2) which amplifies the output of data input(1), a fault sensing unit(3) which outputs the signal(STL) of specified level, a fault detection unit(4) which outputs the control signal(TCTL2) and error signal(ERR), and a data transmission control unit(5) which outputs the control signal(TCTL1) to the data input unit(1), the data transfer unit(2), and the fault sensing unit(3).
Patent KR-0139834-B1 (KR)
Inventor: HIEDA KATSUHIKO
IPC: H01L27/08
Filed: 1993-09-22
Granted: 1998-08-17
Abstract: 본 발명의 메모리 억세스 메모리장치는 트렌치가 형성된 반도체 기판과 기판상의 메모리셀의 어레이를 포함한다. 각 메모리셀은 1-비트 데이터저장 캐패시터와 전송게이트 MOS트랜지스터를 포함한다. 상기 캐패시터는 상기 트렌치에 매립된 절연층을 포함하면서 저장 노드로서 역할을 한다. 상기 섬형상층은 적어도 부분적으로 기판상에서 저장노드층을 덮고, 그에 따라 연결된다. 상기 트랜지스터는 상기 기판간의 채널영역을 한정하는 소오스 및 드레인을 갖추고, 절연된 게이트는 채널영역을 오버레이한다. 이들 중 다른 것이 연결된 대응 데이터전송선(비트선)과 접촉되는 동안 상기 소오스 및 드레인중 하나는 직접적으로 상기 섬형상층에 연결된다.
Patent KR-950014013-B1 (KR)
Title: Power source control apparatus
Inventor: LEE JANG-HON
IPC: G05F1/14
Filed: 1993-10-12
Granted: 1995-11-20
Abstract: The device protects the power factor decrement, wave distortion, and THD increment for AC power supply voltage, and controls the AC power supply for reducing the power consumption. The device includes the input unit(11), the transformer(10) which has the variable and fixed taps, the control unit(12) which controls the transformation ratio, the voltage detecting unit(20) which detects the 2nd terminal voltage, the voltaeg compensation unit(24) which generates the analog control signal, the ladder circuit unit(26) which converts an analog control signal into a digital signal, the control switch unit, the current detecting unit(14), the starting voltage step-up unit(16), and the over load protection unit(18)
Patent KR-960002793-B1 (KR)
Title: Burner
Inventor: CHOE JIN-MIN
IPC: F23D11/24
Filed: 1993-11-04
Granted: 1996-02-26
Abstract: The apparatus is for supplying the air for the oil burner in order to realize perfect combustion. It comprises a 1st tube(1); a 2nd tube(2); an air diffusion tube(5) installed within the 1st tube(1); an air stabilizer(3); an air circulation plate(7) perforated with a hole(7a); and a block circumference part(6) horizontally formed in the air diffusion tube(5) for diffusing the air supplied from the 1st tube(1). It delays the air flow so that it can improve the combustion efficiency.