baber/WOPTO huggingface dataset:
Patent KR-20010021336-A (KR)
Title: A semiconductor laser device
Inventor: KURONAGA KOICHI
IPC: H01S5/323
Filed: 2000-08-17
Abstract: PURPOSE: A semiconductor laser device is provided to reduce the height of band gap discontinuity, and to improve an operating voltage and an operating current by forming an active layer with bulk structure with a specific film thickness at the first laser element, and by forming the active layer with the lamination structure of quantum well and barrier layers in a second laser element. CONSTITUTION: Laser elements(40, 41) that have wavelength 780 and 650 nm, respectively, are formed on the same n-type GaAs crystal substrate. In both the laser elements(40, 41), second p-type cladding layers(18, 28) are machined to projecting strip called a ridge, and both the sides are buried by a GaAs current element layer(31), thus constricting current flowing into an active layer, and generating strip-shaped gain distribution in the active layer. In this case, an active layer(14) has an undoped layer of AlGaAs with a layer thickness of 0.01 μm or more and 0.1 nm or less, namely, bulk structure, and an active layer(24) is a multi quantum well active layer being composed of the undoped well layer and a barrier layer.
Patent KR-20000072218-A (KR)
Inventor: SEO GI WON
IPC: G06F15/16
Filed: 2000-08-18
Abstract: PURPOSE: A method for managing and synchronizing a security data in an internet using encryption and digital signature is provided to maintain security of stored data by using symmetry and public key encryption and message digest. CONSTITUTION: The system for a security data managing and synchronizing method includes a synchronizing server(14), a plurality of data communication apparatuses(11, 12, 13), and the internet(16) as a computer connection channel. The synchronizing server(14) inter-works with a database(15) for storing an information of a user who wants to receive a service of the present invention, an information with respect to a data communication apparatus, an information with respect to an object which will be synchronized, and an encrypted data.
Patent KR-20020015924-A (KR)
Inventor: CHO DONG HYUN
IPC: C02F1/461
Filed: 2000-08-23
Abstract: PURPOSE: Provided is a water purifying device using electrolysis. In detail, the device can make purified water by passing water through the narrow space discharged by a negative pole between a circular pole and a circular pipe. CONSTITUTION: The water purifying device using electrolysis comprises an upper supporting part(2) and a lower supporting part(6) equipped with bolt holes with a large diameter and circular holes with a small diameter, a circular pole(10), a metal plate(11), a silicon plate(12), a circular pipe(14), an open/close hole(18), a narrow space(20) with the interval of 1-3mm and a switch(21) with on/off by a magnet(19).
Patent KR-20020017064-A (KR)
Title: Mass production of exo-polysaccharide from submerged cultivation of Ganoderma lucidum by agitation and aeration effect under bi-staged pH controlling system of jar fermenter
Inventor: LEE HAK SU
IPC: C12P19/04
Filed: 2000-08-28
Abstract: PURPOSE: Provided is a mass production of exo-polysaccharide from the submerged cultivation of Ganoderma lucidum by agitation and aeration effect under bi-staged pH controlling system of jar fermenter, thereby establishing scale-up conditions to maximize the production of exo-polysaccharide. CONSTITUTION: The method is characterized by the submerged cultivation of Ganoderma lucidum by stirring and aeration under bi-staged pH controlling system, wherein 0.1%(w/v) of polyacrylic acid is added to the submerged cultivation; stirring speed is 100-700 rpm and aeration rate is 0.3-2 vvm; and submerged cultivation is carried out at pH3, and 6-48 hours later, at pH6.
Patent KR-20010039851-A (KR)
Title: Disk storage device and method of deciding the position of the head
Inventor: ABE JIRO
IPC: G11B21/10
Filed: 2000-08-30
Abstract: PURPOSE: To attain settling response characteristic after switching from a speed controller to a position controller and to reduce access time by reducing the variation of a time until switching from the speed controller to the position controller to stabilize a time for moving. CONSTITUTION: A position controller 70 generates the driving signal 22 of the linear function of time so as to respond by the cubic function of time where a positional deviation signal becomes zero in a desired finite settling time. Further a feedforward signal generator 73 is provided in order to reduce a following error with respect to a target position signal outputted by a target position signal generator 72. In addition, a switch judging device 51 starting judging switching after the position deviation signal becomes prescribed position deviation and switching from the speed controller 41 to the position controller 70 at the time when the position deviation signal becomes equal to or lower than a value obtained by proportionally multiplying a speed signal is provided.
Patent KR-20020094193-A (KR)
Inventor: KIM JIN SOO
IPC: B43K1/00
Filed: 2000-08-28
Abstract: PURPOSE: Provided is an anti-drying device for pen-point without point cap to prevent the pen containing high-volatile ink from being dried by applying a rubber packing capable of sealing the pen-point at going backward. CONSTITUTION: The anti-drying device comprises a protrusion(8) for inserting a rubber packing(3) formed inside rear portion of an exit(7) for the pen-point(1); a cylindrical part(4) for securing the rubber packing(3); and another protrusion(9) for securing the rubber packing(3) having a diameter larger than the protrusion(8). The pen-point(1) is placed into a hole formed straightly along the exit(7) inside the rubber packing(3) to prevent drying of the pen-point by sealing it from atmosphere. The pen comprises two taps(11,12) to go the pen-point and an ink-cartridge(6) forward/backward, respectively.
Patent KR-20020018747-A (KR)
Title: Shift lever-vibration-reducing device for manual transmission
Inventor: SUNG YUN SEOK
IPC: B60K20/02
Filed: 2000-09-04
Abstract: PURPOSE: A device for reducing the vibration of a shift lever is provided to improve the shifting quality by controlling the rpm of a motor for rotating an eccentric mass body depending on the vibration of a shift lever. CONSTITUTION: An inertia body(17) is fixed on the lower end of a knob(13) of a shift lever(1) via a bracket(15). Front and rear acceleration sensors(20') are mounted on the front and rear ends of the inertia body. The acceleration sensors are electrically connected to a motor control unit. A rotating motor(40) is fixed in the shift lever. An eccentric mass body(43) is mounted on a rotating shaft(41) of the rotating motor. The rotating motor is electrically connected to the motor control unit. The acceleration sensors output control signals. The rpm of the rotating motor is decided depending on the control signal outputted from the motor control unit. The rotating motor centrifugally vibrates by the control signal. According to the centrifugal rotation of the eccentric mass body, the vibration of the shift lever is damped.
Patent KR-20020021965-A (KR)
Title: Manufacturing method of refining phospho-gypsum for cement
Inventor: CHO NAM GIL
IPC: C04B11/26
Filed: 2000-09-18
Abstract: PURPOSE: Provided is a manufacturing method of purified phospho-gypsum for cement by purifying phospho-gypsum, a by-product of phosphate processing, through neutralization and high pressure steaming processes. CONSTITUTION: The purified phospho-gypsum, Ca3(PO4)2, is obtained by adding an alkali material such as CaO, Ca(OH)2, cement, cement clinker powder or NaOH to phospho-gypsum, a by-product of phosphate processing, including impurities(e.g. soluble P2O5, insoluble CaH4(PO4)2·H2O, and soluble HF and H2SiF6), followed by steaming under high pressure(3-5kg/cm¬2) to decompose CaHPO42·2H2O in the interstice of crystal lattice into Ca3(PO4)2.
Patent KR-20000072831-A (KR)
Inventor: LEE BU SEOP
IPC: H04L12/66
Filed: 2000-09-30
Abstract: PURPOSE: A speech system on the internet is provided to allow mutually different telephone numbers to each user, and to establish a database storing Each user internet protocol(IP) address in an internet server, so as to make a first user call a second user for speech. And, the system prevents the generation of a communication error due to loads of the internet server. CONSTITUTION: If a first user connected to an internet server(4) inputs a telephone number of a second user through an internet terminal(6), the internet server(4) searches a database(8) to confirm an internet protocol(IP) address of the second user, and calls the internet terminal(6) of the corresponding IP address. If the second user responds to the call, the internet server(4) connects the internet terminal(6) of the first user with an internet terminal(6) of the second user, and transmits the IP address of the second user to the internet terminal(6) of the first user. The internet terminal(6) of the first user is directly connected to the internet terminal(6) of the second user without passing the internet server. The internet terminal(6) inputs and outputs an audio signal or a video signal, and transceives the audio/video signal through the internet to perform audio speech or video speech. A client program(7) periodically communicates with the internet server(4), and transmits a user ID inputted in the client program(7) and IP address of the internet terminal(6) installed with the client program(7) of the internet server(4). The client program(7) plays the audio and video signals received in the internet terminal(6) in a call of a user. After the client program(7) is installed and the internet terminal(6) is connected to the internet, the client program(7) automatically communicates with the internet server(4), and transmits the user ID and the IP address of the internet terminal(6) to the internet server(4).
Patent KR-20020027028-A (KR)
Title: A method for a manufacturing an arc induced long period gratings in optical fiber
Inventor: JUNG CHEOL
IPC: G02B6/10
Filed: 2000-10-04
Abstract: PURPOSE: A method for fabricating a long period grating of an optical fiber fabricated with an arc is provided, which fabricates the long period grating more stably without using an expensive ultraviolet light source, an amplitude mask and a photo sensitive fiber. CONSTITUTION: According to the method, an optical fiber(18) is fixed and a weight(17) is connected to a contrary side of the optical fiber so that a constant tensile force is applied to the optical fiber. And a long period grating is formed by generating a high voltage as moving an electrode plug installed on a side of the optical fiber by a constant interval. The above long period grating formation step is repeated on the formed grating several times. An optical signal is inputted to the optical fiber and a variation of a wavelength is measured by a wavelength measurement apparatus, and then the long period grating formation step is repeated according to the extent of a coupling from a core mode to a clad mode. The movement interval of the electrode plug is 300-800 micrometer.
Patent KR-20020031762-A (KR)
Title: Handle Apparatus for Heavy Door
Inventor: YOUN YOUNG SOON
IPC: E05C1/08
Filed: 2000-10-24
Abstract: PURPOSE: Provided is a handle apparatus for a large door capable being opened/closed when controlling a latch of a door lock of the large door to be easily repaired and to have improved workability by applying a guide device able to selectively set arrangement of stopper and spring. CONSTITUTION: The handle apparatus comprises an inside/outside securing frame(10) fixed and coupled each other along length of a door(1) at opened end; an inside/outside hinge frame(20) fixed at both sides into a bored cavity of the frame(10); an inside/outside pivoting frame(30) engaged to the hinge frame(20) and elastically supported to a securing frame(10); and an inside/outside breaking bar(40) coupled at right angle at one end of the pivoting frame(30). The pivoting frame(30) is passed through the hinge frame(20) and elastically engaged to a hinge shaft and has a pushing bar to control the latch(5) along to movement of a moving plate(4) of a door lock(3).
Patent KR-20020031788-A (KR)
Title: An Automatically Expanded Sunvisor
Inventor: SHIN YEONG GON
IPC: B60J3/02
Filed: 2000-10-24
Abstract: PURPOSE: An automatic expansive sun visor is provided to offer convenience to a driver and to secure the visual field by automating an expansive sun visor. CONSTITUTION: A sun visor body(30) has an elastic repulsive member(32) to offer a propulsive force to an expansive sun visor(31) and a power unit(34) to lead in and out the expansive sun visor via the elastic repulsive member. A control unit(36) in connection with the power unit supplies the power of a battery(35) to the power unit. Upon downward rotating the sun visor body, the expansive sun visor is pulled by a rope(34c) wound on a roper(34b) against the compressive force of the elastic repulsive member. When the sun visor is attached to a windshield glass, the expansive sun visor is not expanded. When the sun visor body is turned toward a side window, the expansive sun visor is withdrawn automatically.
Patent KR-20020031999-A (KR)
Title: Method of Servicing a Electronic Commerce Centered a Public Purchase
Inventor: SUNG SHIN WOONG
Filed: 2000-10-25
Abstract: PURPOSE: A method for network electronic commerce is provided, in which product price is re-calculated in accordance with the quantity of products to buy, to thereby allow users to easily compare prices and improve reliability for electronic commerce. CONSTITUTION: A method comprises a first step(S1) of establishing membership information database by receiving membership information from the product supplier, seller and buyer, and grouping the information; a second step(S2) of establishing purchase price information database including delivery cost for each seller, product and quantity of product to buy, and estimated price for product supplier, product and quantity of product to sell; a third step(S3) of establishing purchase request status database including joint or general buying request status of sellers or buyers, in the unit of buying type, product type and supplier; a fourth step(S4) of creating a pricing program for automatically calculating, upon request of sellers or buyers, the price of product through the use of price information database; a fifth step(S5,S6) of receiving information regarding the new products and education, registering the received information in the unit of sellers or buyers, and providing the information to the sellers or buyers if requested from sellers or buyers; a sixth step(S7,S8) of receiving information regarding the products in need, registering the received information in the unit of suppliers, and providing the information to the suppliers if requested from suppliers; a seventh step(S9,S10) of registering purchase request status to the purchase request status database, if there exists a purchase request from sellers or buyers; an eighth step(S11,S12) of calculating product price by executing the pricing program through the use of the purchase price information database, and displaying the result, if there exists a price check request from sellers or buyers; and a ninth step(S13,14) of requesting supplier to deliver, in the calculated price, the product registered in the purchase request status database.
Patent KR-20020032266-A (KR)
Inventor: LEE SEOK AN
IPC: A61N5/06
Filed: 2000-10-24
Abstract: PURPOSE: A soil/stone bed construction method is provided to completely eliminate the harmful electromagnetic wave generated from a magnetic field by containing black oak charcoal powder, and to reduce electric charges by installing the piping of a boiler. CONSTITUTION: The soil/stone bed comprises a mattress frame work mounted with various useful materials. More particularly, the mattress frame work comprises an A portion mounted with multi functional ceramics having an indoor air purifying function, a B portion containing jades and stone as well as anion emitting materials capable of purifying the brain, and a C portion for allowing a user to conveniently select the direction of an electric code.
Patent KR-20020036160-A (KR)
Title: Apparatus and Method for Electrically Disposing a Hypodermic Needle
Inventor: CHO GIL WAN
IPC: A61M5/178
Filed: 2000-11-08
Abstract: PURPOSE: An apparatus and a method for electrically eliminating a needle of an injector are provided to automate the whole process of the eliminating method, and to allow the eliminating work of the injector needle to be smoothly performed even if an insertion angle of the injector needle is changed. CONSTITUTION: The apparatus for electrically eliminating a needle of an injector is comprised of an insertion device(20) for inserting an injector needle(23); an electrode plate(22) contacting with the inserted injector needle for supplying electric force to the injector needle; an electrode wing(24) having a polarity opposite with that of the electrode plate and contacting with the free end of the injector needle for melting it; a motor(25) for rotating the electrode wing; a motor control part; a display device for informing various information such as the elimination degree of the injector needle, and so on; and a fan driving device for discharging heat and bad smell. The electrode wing is formed with a convex-concave portion for the contact with the injector needle.
Patent KR-20020039871-A (KR)
Title: Bead filler extruder
Inventor: KIM DONG GYU
IPC: B29D30/48
Filed: 2000-11-22
Abstract: PURPOSE: A bead filler molding machine is provided to maintain extruding speed of a bead filler base and a bead filler edge so to increase a durability of a bead filler. CONSTITUTION: The bead filler molding machine comprises an auxiliary die(50) formed between an extruding die and a molding die(30), wherein a hole for controlling the extruding speed is formed on the auxiliary die(50) so that the extruding speed of rubber material that is extruded from a molding hole(B) of the molding die(30) is maintained constant through an exit(B2) of the molding hole(B). Consequently, the durability of the bead filler can be increased and a dipper effect generated when the circular bead is attached to a bead filler, can be reduced.
Patent KR-20020039912-A (KR)
Title: Outside mold for manufacturing the composite guide beam
Inventor: BANG GYEONG GEUN
IPC: B29C63/00
Filed: 2000-11-22
Abstract: PURPOSE: An outer mold for manufacturing a guide beam is provided to reduce the manufacturing cost thereof and to improve the surface state of the guide beam by attaching silicon rubber having a high thermal expansion rate with a low strength to the outer mold. CONSTITUTION: A guide beam has a rectangular pipe(10a) made of aluminum. Complex material(10b) is attached to an outer surface of the rectangular pipe(10a). The guide beam is used for conveying parts. Since the surface of the complex material(10b) acts as a guide surface when the parts are conveyed, the surface of the complex material(10b) has to be finely processed. In order to improve the function of an article and to reduce the manufacturing processes, a pressing member is attached to the outer mold. The strength of the guide beam is calculated so as to determine the thickness and angle of the rectangular pipe(10a) and the complex material(10b). After attaching the complex material(10b) to the outer surface of the rectangular pipe(10a), a silicon rubber plate(24) is placed in an outer mold(22). Then, a mold cover is coupled to the outer mold(22) by means of a bolt.
Patent KR-20020040254-A (KR)
Title: Using vehicle washing water inclusion sludge into feeding pipe prevention device
Inventor: LIM JAE U
IPC: B60S3/00
Filed: 2000-11-24
Abstract: PURPOSE: A waste inlet preventer of a waster supplying pipe for a vehicle is provided to improve reliability by preventing a malfunction and to reduce time cleaning a tub. CONSTITUTION: A waste inlet preventer of a water supplying pipe in a vehicle comprises a plural water tubs(42,44,46) receiving water; a watertight booth(48) resupplying the water filtrated by the plural tubs; a circulating pump(50) circulating the water by a supplying pipe(62); a hood valve(52) preventing counter flowing of the water by being mounted on an end portion of the circulating pump; a strainer(54) preventing a sludge(66) contained in the third tub from letting in the hood valve by surrounding the hood valve; a compressed air generator(56) generating compressed air; a solenoid valve(58) controlling current of the compressed air by being opened by a driving signal; an injecting nozzle(60) installed on an end portion of an air pipe(68); and a control unit(70) generating a driving control signal to supply the compressed air with interval.
Patent KR-20020043277-A (KR)
Title: Sale control method and apparatus for popcorn automatic vending machine
Inventor: CHOO YONG HO
IPC: G07F13/00
Filed: 2000-12-01
Abstract: PURPOSE: A method and device for control of popcorn vending machine are provided to control driving voltage of a heat supplying device according to the change of input voltage and environmental temperature to cook popcorns in a constant condition. CONSTITUTION: The device for control of popcorn vending machine comprises an input AC voltage detecting means for converting input alternate current voltage to direct current voltage having a certain level for detecting a change of the input AC voltage; a sensor to detect a temperature surrounding the popcorn vending machine; a control means to output switching control signals to connect/disconnect an input/output tab of a transformer for driving a heater, wherein, the sensor outputs the detected results to the control means; a motor for supplying wind towards a cook chamber under control of the control means for evenly transmitting heat to popcorns during cook and remove residue and; a switching means of input/output tab for connecting/disconnecting the input/output tab of the transformer for driving the heater according to the switching control signals.
Patent KR-20010062462-A (KR)
Inventor: JOHN K ROTH
IPC: H02P7/00
Filed: 2000-12-15
Abstract: PURPOSE: A circuit and method for driving actuator of voice coil is provided to determine the speed of a voice coil in a magnetic field with an influence of eddy current eliminated, in conducting the determination for controlling movement thereof after the stopping of the driving current of the voice coil. CONSTITUTION: A circuit for driving actuator of voice coil includes a circuit for terminating a driving current in the coil, a circuit for applying a current to the coil to generate a magnetic field against eddy current induced in a structure approaching the coil(20) by the driving current, and a circuit for measuring BEMF in the coil after the current against eddy current is given.
Patent KR-20020049248-A (KR)
Title: Spindle cooling device of machine tools
Inventor: LEE JONG TAE
IPC: B23Q11/00
Filed: 2000-12-19
Abstract: PURPOSE: A spindle cooling device of machine tool is provided to reduce the deformation of a main shaft and the deterioration of accuracy caused by the heat expansion of the main shaft. CONSTITUTION: The spindle cooling device of machine tool comprises a spindle housing(110) coupled to the outer side of a spindle so as to support the rotation and the linear movement of the spindle; a plurality of bearing(120) coupled between the lower side of the spindle and the spindle housing so as to support the rotation of the spindle; a collar part(130) comprised of plural inner collars coupled between the lower side of the spindle and each bearing and plural outer collars coupled between the spindle housing and each bearing for supporting the rotation of the bearings; and an oil jacket(140) mounted between the outer collars and the spindle housing and formed with inlet and outlet ports so as to make a cooling oil to be flown through a passage wound circumferentially.