baber/WOPTO huggingface dataset:
Patent KR-20030083053-A (KR)
Title: A vacuum forming apparatus
Inventor: KIM SANG HYEON
IPC: B29C51/10
Filed: 2002-04-19
Abstract: PURPOSE: A vacuum forming machine is provided to improve the reliability by reducing the failure rate with modifying the structure of the vacuum forming machine, and to increase the productivity by measuring vacuum pressure accurately regardless of heat or foreign matters and finishing two formed materials simultaneously. CONSTITUTION: A vacuum forming machine is composed of a main frame(10) forming the frame of the machine; a chamber(20) lifting up and down in the main frame; a reduction table(30) installed in the lower part of the main frame and opposed to the chamber with lifting up and down; a sheet clamp(40) installed between the chamber and the reduction table to clamp the sheet; a vacuum mold(80) forming the sheet; and a vacuum mold table(50) installed in the main frame to fix the vacuum mold and move up and down independently of the reduction table. A partition plate(2) is installed in the chamber to divide the chamber into two portions, and a vacuum valve and a vacuum pipe are installed in the divided chamber. The vacuum mold is fixed in the vacuum mold table, and divided into two regions.
Patent KR-20030083942-A (KR)
Title: System and Method for Providing a Call Service Ticket in Mobile Communication Network
Inventor: HWANG MYEONG JU
IPC: H04W4/24
Filed: 2002-04-23
Abstract: PURPOSE: A system for supplying a call gift certificate in a mobile communication network is provided to implement call gift certificates online, and to automatically manage usage of the call gift certificates in a wireless terminal accounting server, thereby preventing a risk of loss with an easy-to-use function. CONSTITUTION: A database(110) stores terminal user information and call gift certificate information. A user authenticator(102) confirms whether a call gift certificate user and a wireless terminal user receiving a call gift certificate are legal users in reference to the database(110). A call gift certificate manager(104) manages kinds of call gift certificates stored in the database(110). A call detail manager(106) manages communication service usage details of the wireless terminal user, and transmits the call details to an accounting server.
Patent KR-20020086831-A (KR)
Inventor: RANDALL STEVEN PAUL
IPC: H02K9/22
Filed: 2002-05-03
Abstract: PURPOSE: A cooling system of electrical machines is provided to discharge efficiently heat from the electrical windigns to the cooling pipe or a heat dissipating part. CONSTITUTION: A cooling system includes a body, at least one electrical winding(26) mounted on the body, and at least one pre-formed heat conducting insert, having the first part in heat conducting contact with the winding, and the second part in heat conducting contact with a heat dissipating part of the body. The second part has a surface in conformity with a surface of the heat dissipating part of the stator body. The heat dissipating part of the body includes a cooling pipe(56).
Patent KR-20030089578-A (KR)
Inventor: CHOI BYEONG RYEOL
IPC: B01J37/02
Filed: 2002-05-16
Abstract: PURPOSE: A method for preparing a catalyst that is used in the production of acrolein and acrylic acid from propylene through partial oxidation in the presence of organic acids is provided. CONSTITUTION: The catalyst is represented as follows: £Mo(a)Bi(b)Fe(c)X(d)Y(e)O(f)|, where X is at least one element selected from the group consisting of Co and Ni; Y is at least one element selected from the group consisting of K and Ru; a, b, c, d, e and f represents atomic ratio of each element, respectively; b is 0.5 to 2, C is 0.5 to 2, d is 3 to 8, e is 0.005 to 0.2 and f is determined by oxidation degree of each element, with the proviso that a is 12. The method comprises the steps of preparing a catalytic suspension by adding organic acid having carbon number of 1 to 10 in metal salt aqueous solution including Mo, Bi, Fe, Co and/or Ni, and K and/or Rb, wherein the organic acid is selected from citric acid, maleic acid and oxalic acid; drying the catalytic suspension under vacuum condition, followed by crushing; and calcining the catalyst powder in air condition.
Patent KR-20030090941-A (KR)
Inventor: KIM YONG HO
IPC: F25B39/04
Filed: 2002-05-24
Abstract: PURPOSE: A multistage gas and liquid phase separation type condenser is provided to improve degree of super-cooling when high temperature and high pressure gaseous refrigerant is super-cooled for the first time after being introduced for the first time, condensed, divided into gas and liquid and returned. CONSTITUTION: A condenser(1) is divided into a superheat removing and condensing area(dm1) cooling down gaseous refrigerant introduced at high temperature and high pressure to remove superheat, and condensing the refrigerant; a first condensing area(dm2) placed on an upper part of the overheat removing and condensing area to re-condense the gaseous refrigerant; a second condensing area(dm3) penetrating into a receiver drier(20), and placed on an upper part of the first condensing area to re-condense so that ratio of liquid refrigerant is higher than in the first condensing area; a pre-sub-cool area(dm4) placed on a downstream of the overheat removing and condensing area to super-cool liquid refrigerant; a first sub-cool area(dm5) penetrating into the receiver drier to join with liquid refrigerant passing the second condensing area, and placed on a downstream of the pre-sub-cool area to super-cool refrigerant more than in the pre-sub-cool area; and a second sub cool area(dm6) placed on a downstream of the first sub-cool area to super-cool and discharge liquid refrigerant passing the second condensing area and the first sub-cool area and joined. 0.02 <= A_S/A_TOTAL <= 0.15 where A_S is first channel area of the pre-sub-cool area and A_TOTAL is total heat transfer area of the condenser.
Patent KR-20030091292-A (KR)
Title: lead frame transferring apparatus
Inventor: CHOI DONG GYU
IPC: H01L21/68
Filed: 2002-05-27
Abstract: PURPOSE: A lead frame transfer apparatus is provided to be capable of securing a constant interval between a sprocket wheel and a pressure roller when passing a rivet between the sprocket wheel and the pressure roller for improving the yield of a lead frame and increasing the lifetime of a belt. CONSTITUTION: A lead frame transfer apparatus includes a pressure roller(220). At this time, the pressure roller is provided with an upper O-ring part(221), a lower O-ring part(223), and a connecting part(222) located between the upper and lower O-ring part. A groove(224) is formed along the peripheral portions of the upper and lower O-ring part for loading a rubber O-ring. The connecting part has a smaller diameter than those of the upper and lower O-ring part.
Patent KR-20030093365-A (KR)
Inventor: KIM BYUNG MAN
IPC: H01C10/36
Filed: 2002-05-29
Abstract: PURPOSE: A variable resistor is provided to reduce the frictional resistance between a rotary contactor and a resistor by supplying the lubricant to the rotary contactor or the resistor. CONSTITUTION: A variable resistor includes a rotary plate(13), a rotary shaft(14), a resistor substrate(20), a fixing plate(24), and a knob(26). A rotary contactor(12) is formed at an end of the rotary plate(13). The rotary shaft(14) is extended from the rotary plate(13). The resistor substrate(20) is opposite to a resistor(16) and connected to a plurality of terminals(18). The fixing plate(24) and a nut(22) are used for fixing the rotary shaft(14). The knob(26) is inserted into the rotary shaft(14). A connective hose guide hole(102) is formed on the rotary plate(13). A first lubricant guide hole is formed in the inside of the rotary shaft(14). A connective hose(106) is connected to the first lubricant guide hole in order to inject the lubricant.
Patent KR-20030095779-A (KR)
Title: Method of contact plug for DRAM Direct contact hole
Inventor: KONG YU CHEOL
IPC: H01L21/28
Filed: 2002-06-14
Abstract: PURPOSE: A method for forming a contact plug of a semiconductor device is provided to be capable of reducing process cost by changing processes. CONSTITUTION: A contact hole is formed by selectively etching an interlayer dielectric of a semiconductor substrate(S100). A barrier metal is deposited at the upper portion of the resultant structure by carrying out a blanket type depositing process(S110). A tungsten layer is deposited on the entire surface of the resultant structure for completely filling the contact hole(S120). The first dry etching process is carried out at the resultant structure for exposing the barrier metal by using the barrier metal as an etching stop layer(S130). The second dry etching process is carried out at the resultant structure for removing the exposed barrier metal(S140).
Patent KR-20030097021-A (KR)
Title: IPA Vapor dryer with automatic concentration control system
Inventor: LEE MAN YEONG
IPC: H01L21/304
Filed: 2002-06-18
Abstract: PURPOSE: An isopropyl alcohol(IPA) vapor dry unit with an automatic concentration control system is provided to maximize drying capacity by automatically controlling the concentration of IPA while a large quantity of carbon on a wafer dried by excessive evaporation of the IPA is not detected. CONSTITUTION: The wafer(51) is soaked in deionized water in a bath(55) capable of supporting the wafer. The IPA and nitrogen are supplied to a chamber(59) so as to be injected to the wafer. The chamber is so positioned on the bath to sufficiently cover the bath. A densitometer controls the concentration of the IPA and nitrogen, positioned in the chamber. An IPA and nitrogen supply unit supplies the IPA and nitrogen to the chamber. An IPA and nitrogen exhaust unit exhausts the nitrogen and IPA, positioned in a side of the chamber.
Patent KR-20020070180-A (KR)
Inventor: CHO GYU SEONG
IPC: H04L29/06
Filed: 2002-06-19
Abstract: PURPOSE: An apparatus for implementing IPv6 protocols, a physical medium interface unit used for the same, an IPv6 header processing unit, and an upper layer interface unit are provided to implement an IPv6 protocol without a loss of a communication speed. CONSTITUTION: A physical medium interface unit(110) is a logic circuit connected with a physical interface layer(180). An IPv6 header processing unit(130) is a hardware for processing a header of an IPv6 standard protocol. The IPv6 header processing unit(130) is connected with the physical medium interface unit(110) by a header bus(104). The IPv6 header processing unit(130) performs a communicating operation with the first buffer unit(140), an upper layer interface unit(150), an ICMPv6 processing unit(160), and an external security unit(185). The first buffer unit(140) is used as a space for data storage. The upper layer interface unit(150) is an interface logic circuit connected with an upper layer protocol(190). The ICMPv6 processing unit(160) processes an ICMP message. The second buffer unit(170) is a space for storing temporary data.
Patent KR-20040003274-A (KR)
Title: The manufacture method and receptacle
Inventor: LIM SANG GEUN
IPC: B09B3/00
Filed: 2002-07-02
Abstract: PURPOSE: Provided is a vessel and a method for fabricating the same using casting which is obtained from earth worms cultured by using garbage and organic waste, the vessel being advantageous in generating no secondary sewage sludge and being produced in short time. CONSTITUTION: The vessel comprises a casing(110), a penetrating hole(111) formed at the bottom of the casing(110), a protrusion(112) extending from the penetrating hole(111) toward the inside of the casing(110), a coupling cylinder(113) combined with an upper portion of the protrusion(112), and a pad(120) with a plurality of holes and placed on the coupling cylinder(113) to completely cover a lower portion of the vessel. The method comprises the steps of (a) retreating garbage and organic waste by collecting, separating, crushing, mixing and washing the garbage and organic waste, (b) introducing the retreated garbage and organic waste to a vermiculture apparatus, (c) collecting casting and earth worms, (d) adding starch to the casting and earth worms, (e) adding hardness reinforcements such as pine resin to the casting, (f) mixing the casting, starch and reinforcements, and (g) moulding a vessel by introducing the mixture in a mould.
Patent KR-20040006268-A (KR)
Title: The display panel of a washer
Inventor: CHOI DONG HA
IPC: D06F39/00
Filed: 2002-07-11
Abstract: PURPOSE: A display panel for a washing machine is provided to simplify the fixing structure by mounting the printed film on the back of a fixing panel in injection-molding, and to show characters and signs printed on the film to a user accurately by restricting inflow of moisture between the fixing panel and the printed film in hot water washing. CONSTITUTION: A display panel of a washing machine is composed of a fixing panel(52) attached to a control panel(50); an operation film(54) mounted in the upper part of the fixing panel and composed of three-dimensional buttons(54a); and a printed film(56) mounted to the back of the fixing panel to show characters and signs through the fixing panel to a user with printing characters and signs thereon. The operation film is mounted on the fixing panel having holes(52b), and the printed film is mounted in the back of the fixing panel excluding a display window(52a) and the holes. The operation film and the printed film are fastened at both sides of the injection mold of the fixing panel, and mounted on and under the fixing panel by inserting resin into the mold.
Patent KR-20040007886-A (KR)
Title: control apparatus for display of mobile phone
Inventor: LEE CHUNG GYU
IPC: H04B1/38
Filed: 2002-07-11
Abstract: PURPOSE: A display control device for a mobile phone is provided to correctly display picture information displayed on a display unit included in a folder irrespective of the position of the display unit. CONSTITUTION: A sensing unit(10) senses whether a folder is opened and closed from a body, and outputs a picture converting signal. A display control unit(20) controls the arrangement of picture information data displayed on the display unit(40) according to the picture converting signal outputted from the sensing unit(10). The sensing unit(10) installed in the body senses whether the folder is contacted with the body.
Patent KR-20040006458-A (KR)
Title: A multiplexed input buffer for use of a semiconductor memory device
Inventor: SON JONG HO
IPC: G11C7/10
Filed: 2002-07-12
Abstract: PURPOSE: A multiplexed input buffer for a semiconductor memory device is provided to receive an address signal and a data input signal using the same pin. CONSTITUTION: According to the multiplexed input buffer(200) used in a semiconductor memory device, the first path part comprises the first and the second output port. The first path part outputs an input signal of the semiconductor memory device through the first output port if the first control signal is the first level, and outputs the input signal through the second output port if the first control signal is the second level. The first latch part(212) latches a signal being output from the first output port of the first path part. The second latch part(214) latches a signal being output from the second output port of the first path part. And the first delay part delays an output signal of the second latch part.
Patent KR-20040005547-A (KR)
Inventor: LEE SANG HA
IPC: F03G7/04
Filed: 2002-07-09
Abstract: PURPOSE: A method is provided to pump up a large amount of water by using cold water to cool the hot air and vacuuming the gap between the main body of a device and tube. CONSTITUTION: A tube(2) is blown with hot air through an air pump(4) after valves(8,9) are open. When the tube expands, the air existing in the gap between the tube and a main body(1) of a device flows into the valves. The valves are shut when the tube tightly contacts the main body of the device such that the flow of the air into the gap between the tube and the main body is prevented. The air pump has an outlet which is blocked so as to prevent the air from being escaped from the tube. When cold water is injected into a steel or copper pipe(3) through a water pipe(10), the steel or copper pipe in the tube cools the hot air such that the volume of the air in the steel or copper pipe is reduced. When the tube contracts, the gap between the main body and the tube is completely vacuumed, and the water is pumped up into the main body from the water storage.
Patent KR-20040008918-A (KR)
Title: A liquid crystal display apparatus
Inventor: KIM YEONG GI
IPC: G09G3/20
Filed: 2002-07-19
Abstract: PURPOSE: A liquid crystal display is provided to reduce the voltage change between a free-charge voltage in driving a master data driver and a slave data driver, and a picture data voltage to be displayed originally, thereby improving a charge characteristic of a liquid crystal display. CONSTITUTION: A storage unit of a slave data driver stores a picture data voltage applied to a plurality of data lines for a horizontal scan period before one period. A plurality of driving circuits of the slave data driver are formed of inversion driving parts inverting the polarity of the data line voltage and applying the inverted voltage as a free-charge voltage to the data lines for a free-charge period of the current horizontal scan period. The plurality of driving circuits are installed at every data line on a liquid crystal panel.
Patent KR-20040009635-A (KR)
Title: Antenna for microwave repeater highly improving front-to-back ratio
Inventor: YANG YEONG MO
IPC: H01Q17/00
Filed: 2002-07-24
Abstract: PURPOSE: A front-to-back ratio improvement antenna is provided to obtain high efficiency of communication by suppressing the radio radiation of side and rear directions of the radiator. CONSTITUTION: A front-to-back ratio improvement antenna comprises radiator elements(112) arranged on the front surface of a reflector plate(118) for reflecting wave, and which radiate wave; a coaxial line arranged in rear of each of the radiator elements, and which feeds the radiator elements with the power applied through a branch feed line(116); and a shield screen(122) arranged in a vertical direction along the side portion of the front surface of the reflector plate, and which attenuates the wave being radiated from the radiator elements in side and rear directions.
Patent KR-20020070924-A (KR)
Title: Method for displaying bird's eye view map and navigation apparatus
Inventor: LIM JI SU
IPC: G08G1/13
Filed: 2002-08-06
Abstract: PURPOSE: A method for displaying bird's eye view map and navigation apparatus are provided to display effectively a three-dimensional map by determining correctly peripheral map meshes around a center map mesh. CONSTITUTION: A position of a moving body is detected on a map. A center map mesh including the detected position is searched. A viewpoint of a predetermined altitude is selected from a rear position of a center point on the searched center map mesh. A size of a display window is controlled according to the viewpoint of the predetermined altitude. The number and positions of peripheral maps mesh arranged around the center map mesh are determined by a window object matching method. The center map mesh and the determined peripheral map mesh data are accessed. An airplane view is displayed by suing the accessed map data.
Patent KR-20040013785-A (KR)
Title: Method and apparatus for driving liquid crystal display
Inventor: PARK JONG JIN
IPC: G02F1/139
Filed: 2002-08-08
Abstract: PURPOSE: A liquid crystal display and a method for driving the same are provided to maintain a value of the mean voltage of pixel voltages larger than a transition voltage even if an external shock is applied, thereby preventing a band state from easily changing to a splay state. CONSTITUTION: A liquid crystal display panel has thin film transistors formed at crossing parts of a plurality of gate lines and data lines. A normal driving period is divided into a data input period and a reset period(Trst). A gate driver supplies gate high voltages(Vgh) and gate low voltages(Vgl) for the data input period while supplying gate reset voltages(Vrst) to the gate lines in order for the reset period. For a period of turning on the thin film transistors, the gate driver supplies the gate high voltages to the gate lines. For a period of turning off the thin film transistors, the gate driver supplies the gate low voltages to the gate lines. A data driver supplies data voltages to the data lines according to the gate voltages.
Patent KR-20040014032-A (KR)
Title: Ultrasonic flaw detecting tester
Inventor: KIM JIN GU
IPC: G01N29/04
Filed: 2002-08-09
Abstract: PURPOSE: An ultrasonic detector is provided to automatically measure data and position information about defects of non-destructive test sample and to convert position information and detection signals into data values. CONSTITUTION: An ultrasonic probe is connected to an ultrasonic detector(24) so as to receive pulse signals from the ultrasonic detector(24) and to transfer detection signals to the ultrasonic detector(24). An automatic position detector(26) is provided to output position information according to a rotation of three mouse balls. A scan information obtaining section(25) is provided receive position information outputted from the automatic position detector(26) and the detection signals of the ultrasonic detector(24). A personal computer(28) displays a defect position of an object on a screen of a monitor.
Patent KR-20040020487-A (KR)
Title: Apparatus and method for prediction of roll chattering in hot rolling process
Inventor: CHAE HONG GUK
IPC: B21B38/00
Filed: 2002-08-30
Abstract: PURPOSE: A system and a method for predicting generation of roll chatter in hot rolling mill are provided to judge relative risk of roll chatter using resonant frequency of rolling stand and torsional vibration of spindle of the rolling stand and detect generation of chatter in advance based on information on chatter generation ratio per workpiece region. CONSTITUTION: In a system for predicting generation of roll chatter in a rolling mill comprising a plural rolling mill stands, the system comprises a rolling mill stand vibration sensor part(21) adhered to at least one rolling mill stand in a plural rolling mill stands to measure vibration of the at least one rolling mill stand; a torsional vibration sensor part(23) for measuring torsional vibration of a work roll driving spindle installed at the at least one rolling mill stand; and an operation control part(25) for determining the maximum intensity of frequency at vibration signal inputted from the rolling mill stand vibration sensor part during generation of chatter as a resonant frequency (fr) of the rolling mill stand and judging as a chatter generation relative risk a ratio of the sum (Mfr) of frequency components in a split region corresponding to the resonant frequency in the sum of frequency components of the analyzed total band by analyzing vibration signal inputted from the torsional vibration sensor part.
Patent KR-20040020498-A (KR)
Title: Apparatus for spurious deleting of transmission/receive band in a BTS monitoring system
Inventor: KWAK YEONG DAL
IPC: H04W24/00
Filed: 2002-08-30
Abstract: PURPOSE: A device for canceling a transmission/reception band spurious signal generated during the operation of a base station monitoring device is provided to cancel the spurious signal generated in a PLL(Phase Locked Loop) by controlling the PLL so that the PLL is operated when a receiving antenna is only diagnosed. CONSTITUTION: A switching transistor(110), operated according to a voltage control signal inputted when a receiving antenna is diagnosed, outputs a PLL driving voltage. A regulator(120) generates the PLL driving voltage outputted from the switching transistor(110) as a constant voltage, and provides the generated driving voltage to a PLL(130) which generates a frequency for diagnosing the receiving antenna.