baber/WOPTO huggingface dataset:
Patent KR-20010026353-A (KR)
Inventor: SHIN YONG GU
IPC: C08L33/06
Filed: 1999-09-06
Abstract: PURPOSE: A hard polyvinyl chloride which has an excellent pressing out resistance, low-temperature shock intensity and weather-resistant property is provided. CONSTITUTION: The hard polyvinyl chloride contains an impact modifier, a complex stabilizer, a surfactant, a processing auxiliary agent and a filler. In the hard polyvinyl chloride, based on 100 parts by weight of the polyvinyl chloride, (i) 8-12 parts by weight of a mixture of chlorinated poly ethylene and poly methyl meth acrylate butadiene styrene are used in a ratio of 5:5-7:3, as the impact modifier; (ii) 2.5-3.5 parts by weight of lead or non-lead stabilizer is used as a complex stabilizer; and (iii) 0.3-0.6 parts by weight of stearic acid and polyethylene wax are used as a surfactant.
Patent KR-19990084026-A (KR)
Title: 식품용기용 신소재 조성물 및 이를 이용한 식품용기의제조방법
Filed: 1999-09-07
Abstract: 본 발명은 식품용기용 신소재 조성물 및 이를 이용한 식품용기의 제조방법에 관한 것으로, 황토와 옥을 7 : 3의 비율로 혼합하여 1,280℃에서 12시간 이상 동안 소성하고 분쇄한 소결분 30 ∼ 47중량%, 황토 35 ∼ 52중량%, 고령토 15 ∼ 32중량% 및 석회석 3 ∼ 20중량%로 구성되어지되 각각의 성분들을 혼합하고 1300℃에서 13시간 이상 동안 소성한 것을 특징으로 하는 식품용기용 신소재 조성물과 황토와 옥을 7 : 3의 비율로 혼합하여 1,280℃에서 12시간 이상 동안 소성하고 분쇄한 소결분 30 ∼ 47중량%, 황토 35 ∼ 52중량%, 고령토 15 ∼ 32중량% 및 석회석 3 ∼ 20중량%를 혼합하고 1300℃에서 13시간 이상 동안 소성한 다음, 분쇄한 후 소정의 형상으로 성형하여 음건시키고 열처리하는 방법으로 식품용기를 제조하므로서 환경호르몬이 생성되지 않는 식품용기를 얻을 수 있었다.
Patent KR-20010027124-A (KR)
Inventor: JUNG WON CHANG
IPC: G11C11/24
Filed: 1999-09-10
Abstract: PURPOSE: A boost voltage generator within a semiconductor memory device is provided to regulate boost capability, so consumption power is minimized. CONSTITUTION: The generator includes a voltage level detector(22), a pulse generator(24) and a pumping part(26). The voltage level detector(22) generates a drive signal according to level of boost voltage(VPP). The pulse generator(24) generates a periodical vibration signal(VOSC) according to the drive signal(VOSC). The pumping part(26) boosts level of the boost voltage(VPP). The pumping part(26) includes pumping capacitors(27a,27b) and a diode(29). Only the first pumping capacitor(27a) operates in the first mode. Both the first and second pumping capacitors(27a,27b) operate in the second mode. Thereby, regulate the boost capability can be regulated so that the consumption power is minimized.
Patent KR-20010027439-A (KR)
Inventor: YU YOUNG TAE
IPC: H04N5/222
Filed: 1999-09-14
Abstract: PURPOSE: An electronic album and an apparatus are provided to effectively manage the digital image by outputting the image using not only a built in displayer but also an external output device. CONSTITUTION: An input interface part(10) is connected to all kinds of medium to receive an inputting digital image. A storing part(30) stores the digital image. A display device(50) displays the digital image which is inputted and stored. A controller(20) encodes the digital image inputting through the input interface(10) as a constant image format or decodes the digital image stored in the storing part(30). A key input part(40) selects operation of the controller(20). A display device driving part(60) drives a display device for outputting operating status of the controller(20) according to selecting of the key input part(40). A television signal output part(70) converts the operating status into a television signal so as to output. A printer signal output part(80) receives image outputting from the display device(50) and the television signal output part(70) through the controller so as to output a signal for outputting by a printer(85).
Patent KR-20010027899-A (KR)
Inventor: HWANG YUN JE
IPC: F24F11/00
Filed: 1999-09-16
Abstract: PURPOSE: A method for pre-heating inverter driving compressor is provided to achieve an in-advance prevention against start failure of compressor caused by the viscosity decrease of an oil contained in the compressor. CONSTITUTION: A method comprises a first step of judging whether the outdoor temperature is lower than the preset temperature if an air conditioner is in heating operation; and a second step of avoiding pre-heating operation for compressor if it is judged in the first step that the outdoor temperature if higher than the preset temperature, and starting heating operation for the compressor after repeatedly performing rotating/turning off operations for the rotor during 30 seconds in accordance with the rotor position sensed signal, if it is judged in the first step that the outdoor temperature is lower than the preset temperature.
Patent KR-20010028171-A (KR)
Inventor: NAM JANG HYEON
IPC: B60N3/02
Filed: 1999-09-18
Abstract: PURPOSE: A cold air discharging device provides a pleasant environment to standing passengers and elevates the air-conditioning efficiency of indoors. CONSTITUTION: A cold air discharging device comprises a piston(22), a cylinder(20), a spring(34) and a cold air inflow pipe(36). The piston(22) mounted on a ring connecting member(44) for connecting the hand rail(46) of the passage side and the ring(42) of a bus has a blocking slot(28) along an inner wall circumferential surface. The cylinder(20) has an upper blocking jaw(24) and a lower blocking jaw(24) formed therein for restraining the vertical displacement of the piston(22). The spring(34) elastically biases the piston(22). The cold air inflow pipe(36) connected through an air-conditioner duct provides a cold air into the cylinder(20).
Patent KR-20010035754-A (KR)
Inventor: KIM HYE JU
IPC: E02B3/12
Filed: 1999-10-02
Abstract: PURPOSE: A biotechnological revetment method is provided to protect a riverside from erosion by flowing water using crushed stones, a wire cylinder and branches of a willow tree and to reduce construction expenses. CONSTITUTION: A biotechnological revetment(100) method comprises the steps of; executing pit excavation on a riverside vertically and horizontally, and filling with crushed stones(132) of a large diameter and crushed stones(122) of a small diameter at the sate of leaving a site for installing a wire cylinder(110) on the upper section of the pit-executed riverside; arranging the wire cylinder horizontally on a riverside lower end boundary surface(114) according to the droughty water level of a river; heaping up the crushed stones of a large diameter to the planned gradient on the crushed stones of a small diameter, planting two third of branches of a willow tree(130) of over 4-centimeter diameter into the space among the large crushed stones, then spraying sand and water of rivers.
Patent KR-20010036291-A (KR)
Inventor: LEE GUN SEOK
IPC: G01K7/00
Filed: 1999-10-07
Abstract: PURPOSE: A surrounding temperature compensating device of a temperature measuring apparatus using a bolometer type infrared ray sensor is provided to compensate surrounding temperature without using a micom by adding additional resistance on a compensating sensor or a detecting sensor. CONSTITUTION: A surrounding temperature compensating device of a temperature measuring apparatus using the bolometer type infrared ray sensor includes a compensating sensor part(20) connected to a static voltage terminal and having compensating resistance and a temperature compensating sensor(30), a detecting sensor part connected between the compensating sensor part and a ground terminal and outputting first partial voltage together with the compensating sensor part, first and second resistances connected parallel to the compensating sensor part and the detecting sensor part between the static voltage terminal and the ground terminal and outputting second partial voltage, and a differential amplifier(6) for differently amplifying and outputting first and second partial voltages.
Patent KR-20010036377-A (KR)
Inventor: KIM CHEOL
IPC: H03K7/00
Filed: 1999-10-08
Abstract: PURPOSE: A circuit for modulating pulse width using an ossillator is provided to enable an accurate PWM circuit using a frequency of a slow oscillator by using delay occurring when forming a ring oscillator. CONSTITUTION: In a circuit of modulating pulse width, a ring oscillator(20) produces a TAP signal using the delay between an oscillator frequency and a signal between an inverter and a buffer. A TAP counter(22) produces the phase count value by counting phase tap signals corresponding to the oscillator frequency of the ring oscillator(20) A ring count converter(24) produces a ring count value at the rising edge of the clock using the TAP signal and the phase count value. A resolution generator(26) produces a resolution by subtracting the ring count value a clock earlier from the current ring count value. Space converters(28,29) converts the starting and end points of the pulse into ring count values to be used inside. Adders(32,33) add ring count values with offset values. Edge generators(30,31) produces edges selecting one of the TAP signals. An XOR gate produces the final pulse using the output of the edge generators(30,31).
Patent KR-20000006679-A (KR)
Inventor: KIM SUK UN
IPC: C02F3/30
Filed: 1999-10-13
Abstract: PURPOSE: A wastewater treating method is provided which has a high dissolved oxygen rate. CONSTITUTION: The net connected by a wire is horizontally and vertically installed in aerobic and anaerobic tank and formed a plug by swirl phenomenon. A micro-organism and gas are easily separated by crushing to the net. The plug formed by the swirl phenomenon serves a role as a precipitating tank, and net serves a role as microorganism collector.
Patent KR-20000035259-A (KR)
Inventor: ONO KAZUHIRO
IPC: C08G73/10
Filed: 1999-11-05
Abstract: PURPOSE: A polyimide film is provided, which has high elasticity, low absorption rate, small moisture-absorption expansion coefficient, small linear expansion coefficient and high measurement stability and which can be used for preparing various electric/electronic device such as a laminate for a flexible print connection board, an adhesive film and a magnetic record base film. CONSTITUTION: Provided is a polyimide film of which modulus of tensile elasticity is less than700 kg per square millimeter and of which moisture-absorption expansion coefficient is less than 20 ppm. The polyimide film comprises the repeating unit illustrated by formula 1; and optionally the repeating unit illustrated by formula 2 and/or the repeating unit illustrated by formula 3. A laminate for a flexible print connection board is obtained by forming a metal layer on at least one surface of the polyimide film. An adhesive film is obtained by forming an adhesive layer on at least one surface of the polyimide film.
Patent KR-20010047298-A (KR)
Inventor: CHOI UNG
IPC: G02B6/12
Filed: 1999-11-19
Abstract: PURPOSE: A planar optical amplifier using an aerosol process and a method for manufacturing the same are to dope plenty of erbium into the optical amplifier without a clustering phenomenon by utilizing the aerosol process, thereby reducing a length of the amplifier and a manufacturing cost. CONSTITUTION: A planar optical amplifier includes a silicon substrate(10), an underclad(20), a core(30) which is formed by an aerosol process, and an overclad(40) formed by using the aerosol process. In a method for manufacturing a planar optical amplifier, an underclad is formed on a silicon substrate. A core layer is formed using an aerosol process. The core layer is patterned into a predetermined configuration, thereby forming a core. An overclad is formed using the aerosol process. In the manufacturing step of the core layer, a sol solution is prepared in advance. An aerosol is formed using the sol solution and is deposited on the underclad. An annealing process is carried out for melting the deposited aerosol. A glass film is formed by cooling the melted aerosol.
Patent KR-20000030097-A (KR)
Inventor: EOM KYEONG JIN
IPC: D04B15/32
Filed: 1999-12-01
Abstract: PURPOSE: A knitting cam unit is provided to easily produce by having a simple and slimming structure, and to effectively arrange the other adjunctive apparatuses by having an occupied size of the other upper face. CONSTITUTION: A knitting cam unit for a weaving machine of socks has a simple and slimming structure by arranging an air cylinder as an operator to operate a moving cam inside a cam block. The device comprises of: a piston block(30) formed an installing hole of piston(32) to face to a center of a cylinder; the cam block(140) formed an inserting hole of spring(142) in parallel with an installing groove(141); the moving cam(16) extended a guide pin(165) inserted with a spring(166) into the inserting hole of spring(142) of the cam block(140) in the rear face of a cam(162); and a piston(200) moved during maintaining a sealing inside the installing hole of piston(32) of the piston block(30).
Patent KR-20010054201-A (KR)
Inventor: BAN DONG SU
IPC: H04W76/02
Filed: 1999-12-03
Abstract: PURPOSE: A trunk allocation message control apparatus and method using a V5.2 BCC protocol in a WLL system are provided to effectively perform maintenance and management of a trunk allocation message by checking whether a trunk allocation response message has been received from a subscriber unit and sequentially transmitting it, and stabilize a WLL system by preventing loss of the trunk allocation message. CONSTITUTION: A call processor(1100) mounted in a WLL exchanger(1000) outputs a call process control signal to a BCC protocol processor(1200) when a call is attempted from an external source. The BCC protocol processor(1200) mounted in the WLL exchanger(1000) receives the call process control signal from the call processor(1100), generates a trunk allocation message and outputs it to a level 2 protocol processor(1300). When the BCC protocol processor(1200) receives a trunk allocation response message from the level 2 protocol processor(1300), it allocates a trunk to perform a call processing. The BCC protocol processor(1200) includes a memory(1210) and a BCC V5.2 entity(1220). The memory(1210) mounted in the BCC protocol processor(1200) includes a trunk allocation message storing table(1211), a non-use queue managing table and a BBC queue managing table(1213), and stores the trunk allocation message generated by the BCC V5.2 entity(1220) if the BCC protocol is in a standby state for transmission.
Patent KR-20010054321-A (KR)
Inventor: KIM SANG IN
IPC: H04B10/00
Filed: 1999-12-06
Abstract: PURPOSE: A three-dimensional optical code encoder and decoder is provided to generate more codes than two-dimensional optical codes and to generate three-dimensional optical codes having a strong orthogonal degree. CONSTITUTION: A three-dimensional optical code encoder is composed of a luminous source(1), an optical circulator(Cir1), an AWGM(Arrayed Waveguide Grating Multiplexer)(20), a plurality of optical fiber delay lines, and a plurality of optical fiber gratings. The luminous source(1) emits light having various wavelength components of a wide band and provides the optical signal to the input port(In1) of the optical circulator(Cir1). The optical circulator(Cir1) supplies the optical signal provided from the optical circulator(Cir1) to the AWGM(20). The AWGM(20) separates the supplied optical signal by wavelength components and provides them to the optical fiber delay lines and the optical fiber gratings, connected to each port in turn, through each port.
Patent KR-20010055574-A (KR)
Inventor: CHO SEONG SU
IPC: B01D46/42
Filed: 1999-12-11
Abstract: PURPOSE: A vertical rapper for electro static precipitator is provided, which can drive rapping hammers using single vertical shaft and cam driving method sequentially and can be smoothly operated even in bad condition of dust flowing by mediation of pin type cam and disc pin without any trouble. CONSTITUTION: The system comprises the followings: (i) a main body of electro static precipitator that has an inlet and an outlet at both sides and has two vertical shafts (50) set parallel to each other; (ii) two vertical shafts (50) that are driven by motors (40), to which two cams (13) of pin type are fixed at the upper and lower part with opposite directions for rotating round discs (61) at a fixed interval; (iii) two round discs (60) which have many pins (61) set at a constant circumferential distance and is fixed to disc shaft (80) to rotate together; (iv) two latchers (70) which are fixed to the disc shaft (80); (v) two rapping hammers (35) for rapping dust collecting electrode; and (vi) a driving motor (40) for rotating vertical shaft (50).
Patent KR-20010055751-A (KR)
Inventor: CHAE SEUNG JIN
IPC: F02M37/00
Filed: 1999-12-13
Abstract: PURPOSE: An electric fuel pump is provided to prevent the defective ignition of an engine by raising the pressure of fuel in vapor locking. CONSTITUTION: An electric fuel pump(7) has a motor armature(6) for supplying fuel to an injector through a fuel filter and a fuel rail connected to a fuel pressure controller. An electrically driven pressure limiter(9) is installed in a fuel intake port(8) before the motor armature. A check valve(11) is installed in a fuel discharge port(10) opposite of the fuel intake port. If the temperature of fuel is over 100deg.C, the pressure of fuel is raised in a short time by applying an electrical signal to the pressure limiter while the pressure of the fuel pressure controller is controlled to be same. Fuel is injected on the basis of fuel compensation according to the temperature of fuel in cranking and a predetermined fuel pressure.
Patent KR-20010058420-A (KR)
Inventor: CHOI JAE YUL
IPC: F24F11/00
Filed: 1999-12-13
Abstract: PURPOSE: A hold power reducer of a SMPS(Switching Mode Power Supply) is provided to minimize the hold power in stopping a product by actuating the SMPS while input power of a control unit is under a specific voltage. CONSTITUTION: A SMPS of an air conditioner comprises a rectifying section(10) rectifying normal alternating current(AC); a flat unit(30) removing ripple element in power of direct current level of the rectifying unit; a voltage transforming unit(30) supplying the current power to a control unit(50) and each lod; a switching mode control unit(40) controlling to supply intermittently the current power to the voltage transforming unit; a switching unit(60) actuating/stopping the switching mode control unit by contacting between the earth and the switching mode control unit; and an input power detecting unit(70) sensing input power of the control unit from the voltage transforming unit and the switching unit. The control unit actuates the switching mode control unit in stopping while the input power detected in the input power-detecting unit is lower than the reference voltage. Thereby, the stand-by power is minimized in stopping by actuating the SMPS.
Patent KR-20010064795-A (KR)
Inventor: CHOI IK SEONG
IPC: H04B1/40
Filed: 1999-12-18
Abstract: PURPOSE: A method for minimizing the power consumption of a portable phone is provided to minimize the power consumption of a portable phone by turning off the power of the LCD when the line is busy. CONSTITUTION: If a telephone call is received, a user holds the portable terminal's receiver to his ear(S41). At this moment, a sensor installed in the receiver senses it(S42). The power of the LCD of the portable phone is turned off by the sensing of the sensor(S43). In this manner, when the user puts the portable phone to his ear, a main control unit judges that the line is busy, and turns off the power of the LCD. In addition, when the user puts the portable phone into his pocket or bag, the sensor also detects it so that the power of the LCD can be turned off.
Patent KR-20010080785-A (KR)
Inventor: WOO YOUNG JIN
IPC: B66C13/22
Filed: 1999-12-20
Abstract: PURPOSE: An overload isolator of a hoist and a crane is provided to protect an equipment from overload by sensing overcurrent flowing through a power wire of a motor in driving a hoist and a crane, displaying the sensed state and isolating operation of a rising switch in a control unit. CONSTITUTION: An overload isolator of a hoist and a crane consists of: a current sensor(2) detecting the electric current state of a motor(11) through a CT(Current Transformer); a comparator(6) converting the analog output of the current sensor into digital data, comparing the digital data with input digital data of a deep switch(8) and a key pad(9), and outputting the corresponding digital data; an alarm unit(7) consisting of an LED(Light Emitting Diode) and a buzzer driven in overload of the output from a switch drive unit(3) and the comparator; a displayer(4) displaying the electric current value in the overload; and a control unit(1) outputting control signals to the switch drive unit, the displayer and the alarm unit. In case of the overload state of a hoist and a crane, the buzzer and the LED are driven. A worker recognizes the overload state of the equipment by referring to the alarm unit and the displayer. Therefore, the worker takes prompt action on the overload to prevent the equipment from damage.
Patent KR-20010057250-A (KR)
Inventor: SON JEONG UK
IPC: B41J2/17
Filed: 1999-12-21
Abstract: PURPOSE: A cartridge for an ink-jet print head is provided to easily form appropriate negative pressure and adjust the negative pressure for stably forming a meniscus and maximize use efficiency of ink, thereby reducing cost required for using a printer and improving the competitiveness in a market. CONSTITUTION: A cartridge for an ink-jet print head includes a hollow tube type case(10), a bellows(20) forming one end fixed at the upper surface of the case and filled with ink, a weight(30) coupled with the lower end part of the bellows for generating negative pressure with expanding the bellows by the own weight, an ink supply element(40) inducing ink within the bellows to an ink discharge port(11), wherein the ink supply element includes a passage(41) vertically passing through the weight, and a tube(42) connecting the lower end part of the passage and the discharge port.
Patent KR-20010063238-A (KR)
Inventor: CHOI BYEONG YEOL
IPC: H01L21/306
Filed: 1999-12-22
Abstract: PURPOSE: A method for simultaneously etching a poly silicon layer and an oxide silicon layer is provided to etch the poly silicon layer and the oxide silicon layer at a same etching speed. CONSTITUTION: A poly silicon layer(16) and an oxide silicon layer(14) are formed on a silicon substrate(10). The poly silicon layer(16) and oxide silicon layer(14) are successively etched in a same etching equipment by C1HmFn(1,m,n: natural number) gas. A ratio of 1 plus m:n is minimum 1:3.
Patent KR-20010063381-A (KR)
Title: Funnel for cathode ray tube
Inventor: KIM JU HYEONG
IPC: H01J31/10
Filed: 1999-12-22
Abstract: PURPOSE: Disclosed is a funnel for a cathode ray tube having a light weight which is capable of enduring any outside mechanical shock by controlling a range of compressive stress applied to the funnel. CONSTITUTION: The cathode ray tube includes a panel and a funnel(22). The funnel(22) is engaged with the panel so that the cathode ray tube can be formed. The compressive stress applied to the funnel(22) is about 3MPa=< omega<15MPa. The thickness of combining portion between the panel and the funnel(22) is below 10.5mm. Since the thickness of combining portion is reduced, the weight of cathode ray tube is also reduced. The funnel(22) is cooled at the temperature of 470°C and thereby a compressive stress is created at the surface thereof. Thereby, the funnel(22) sufficiently overcomes the fatigue of vacuum tensile stress and the dynamic fracture.
Patent KR-20010057932-A (KR)
Title: Work roll latch
Inventor: AHN CHEOL HWA
IPC: B21B28/00
Filed: 1999-12-23
Abstract: PURPOSE: A work roll latch is provided to improve productivity by easily separating the work roll latch from a pusher bar latch when the work roll latch is replaced with a new one. CONSTITUTION: A work roll latch includes a body(30) and a rotational angle control bolt(22). The body is connected to a lower portion of a work roll chock(2) to rotate on a latch pin(19), mounted on a pusher bar latch(10) and rolls on a rail(5) by balls(16) mounted inside. The body is hollowed at a central portion to minimize a contacted surface with the rail when a work roll is moved on the rail. The rotational angle control bolt is screwed at the lower portion of the work roll chock for controlling a rotational angle of the body.