baber/WOPTO huggingface dataset:
Patent KR-20000022167-A (KR)
Title: Switched-mode power supply having an improved start-up circuit
Inventor: SEINEN ERWIN GERHARDUS REGINAL
IPC: H02M1/36
Filed: 1998-03-16
Abstract: PURPOSE: A switched-mode power supply is provided to reduce loss of a necessary electric circuitry by an improved start-up circuit. CONSTITUTION: A switched-mode power supply comprises; a transformer(TR) provided with a primary winding(p) having a first primary terminal(1) and a second primary terminal(2); switching means (SM) coupled between the second primary terminal (2) and the ground terminal (GND); and a start-up circuit (ST) for starting up the switched-mode power supply. The first primary terminal(1) is coupled to receive a voltage(U) with respect to a ground terminal(GND) and the second primary terminal(2) is coupled to a drain of MOSFET(SM) forming the switching means with a source coupled to the ground terminal(GND). The start-up circuit (ST) comprises a field effect transistor (T) of the normally-on type having a drain coupled to the second primary terminal (2), a source, and a gate. A resistor is coupled between the gate and source of the field effect transistor(T). The start-up circuit (ST) has been improved in that it comprises, interalia, a voltage stabilizer (VS) is coupled to the source of the field effect transistor(T) and an internal supply terminal(VINT) in order to supply an internal supply voltage to the internal supply terminal(VINT).
Patent KR-20000022402-A (KR)
Title: Rotary acoustic horn
Inventor: GOPALAKRISHNA HAREGOPPA S
IPC: B06B3/04
Filed: 1996-10-15
Abstract: PURPOSE: A rotary acoustic horn is provided which can weld parts over a relatively wide width (such as 12.7 cm) with a controlled amplitude profile. CONSTITUTION: A rotary acoustic horn imparts energy at a selected wavelength, frequency, and amplitude. The horn includes a cylindrical shaft with input and output ends, and a cylindrical welding portion mounted on and coaxial with the output end. The diameter of the welding portion is greater than the diameter of the shaft. The welding portion includes a cylindrical weld face having a diameter that expands and contracts with the application of acoustic energy, and first and second opposing end portions. At least one end portion is formed with a first cylindrical undercut; the radial width and the depth of the first undercut is selected to affect the amplitude of vibration at the cylindrical weld face to provide a desired amplitude profile along the axial length of the cylindrical weld face.
Patent KR-20000022410-A (KR)
Title: Valve for changing the direction of flow in pipes leading to/from a heat-exchanger
Inventor: BLOMGREN RALF
IPC: F16K11/074
Filed: 1997-07-03
Abstract: PURPOSE: A valve is provided which changes the flow direction of a fluid in conduits, which conduct the fluid to and from, respectively, a heat exchanger. CONSTITUTION: A valve(12) comprises a rotatable valve body(18) and a surrounding valve housing consisting of a cylindrical casing(14) with end plates(13a,13b), the valve body(18) having a rotational axis coinciding with the imaginary axis of the cylindrical casing(14), and four through passages(19-22) extend through the valve body(18) so oriented that the main flow directions of the fluid are parallel with the rotational axis of the valve body(18) and such that the openings(19a-20b) in two through passages(19,20), when the valve body(18) is in a first rotational position, are right in front of two openings in the respective end plate(13a,13b) and that the openings(21a-22b) in the two other through passages(21,22), when the valve body(18) is in a second rotational position, are right in front of the openings in the end plates(13a, 13b).
Patent KR-20000060169-A (KR)
Inventor: HAN GYEONG SU
IPC: B60R16/04
Filed: 1999-03-12
Abstract: PURPOSE: A method for measuring dark current of a vehicle is provided to exactly calculate actual dark current by measuring self-discharge by kinds of batteries. CONSTITUTION: A method for measuring dark current of a vehicle includes a first step of calculating actual current flowing inside the vehicle turned off(S100), a second step of determining the kind of a battery(S200), a third step of checking an amount of self-discharge from a manual showing amounts of self-discharge obtained through a long-term test by the kind of batteries(S300), and a fourth step of adding up the actual current and the amount of self-discharge obtained through the first and third steps and determining dark current of the vehicle(S400).
Patent KR-20000060568-A (KR)
Inventor: LEE HUI JUN
IPC: H05K13/04
Filed: 1999-03-17
Abstract: PURPOSE: A part mounting apparatus is provided to enable detection of positional errors of parts when mounted on a printed circuit board by adopting a one unit part recognition device. CONSTITUTION: A nozzle unit(21) for absorbing an electric part(100) is carried to Z direction by a Z axis transport unit(23). A header unit(20) has a rotation unit for rotating the nozzle unit(21) in random angles. The header unit(20) is moved to XY axis directions by an XY axis transport unit(22). A link unit(36) is pivotally provided to the header unit(20). A mirror assembly(37) is coupled to the link unit(36) to project the electric part(100). A recognition camera(49) photographs an image of the parts projected on the mirror assembly(37). The rotational center of the link unit(36) is coupled to the header unit(20) so that it is positioned on the part when the part is recognized on a bisecting point of the distance between the rotational center and the surface of the mirror assembly(37) by which the part is projected.
Patent KR-19990046108-A (KR)
Title: 스팀분사식불고기구이장치
Filed: 1999-03-22
Abstract: 본 발명품은 각종 육류의 불고기구이 기구 및 방식에 관한 것으로, 구이판(11)에 스팀 분사장치를 결합시킨 것인데 이는 스팀분사 장치고정대(2)에 가열물통(1)과 스팀분사기(3)를 결합하여 구이판(1)에 훅 타입으로 끼워 조립하고 스팀분사에 필요한 적절한 압력유지와 수시로 물을 보충하기 위한 적절한 무게의 보조통(40을 뚜껑으로 활용한 것으로 보조통(4)에 보충수 발브몸체(6)를 끼워 발브(7)와 복귀스프링(9)을 삽입 후 노즐(5)을 조여서 고정시키고 손잡이(8)를 마지막에 결합 한 것으로 불고기 구이시 조리 및 사후관리가 편리하게 한 것이다.
Patent KR-20000030044-A (KR)
Inventor: KIM SANG NAM
IPC: A61H33/06
Filed: 1999-04-22
Abstract: PURPOSE: A heating furnace for elvan using brown gas is provided to supply a hermitic heating furnace for regularly keeping the temperature of a furnace with a small amount of fuel by using brown gas having an inherent characteristic as fuel and not to injure an environment and health even if it is used indoors. CONSTITUTION: A heating furnace for elvan is composed of a base(10) installed with two burner installation holes on an upper face, a door(2) on a front side face and a hollow part inside, a heater installed with a regulation valve on a branch tube for branching off certain places of a supply tube(11) for supplying the brown gas and installed in the center of the two burner installation holes, a heating unit for piling up fire-resisting bricks crossing vertically and horizontally on the upper face of the burner installation hole and a cover(37) for forming an outlet(35) between blocks(36) on the upper part of the outer wall(33). Thereby, the heating furnace for elvan is utilized as an infrared heater in a living room and so on by producing into a small size since a pollution material is not discharged in a combustion process.
Patent KR-20000073767-A (KR)
Inventor: YEO TAE HYEON
IPC: H01L21/18
Filed: 1999-05-14
Abstract: PURPOSE: An apparatus for supplying gas of a semiconductor equipment is provided to reduce unnecessary gas consumption, by selectively controlling respective valves of respective gas storing units. CONSTITUTION: An apparatus for supplying gas of a semiconductor equipment comprises a plurality of gas storing units(2,4,6,8), a plurality of valves(22,24,26,28), a plurality of gas selection units(12,14,16,18), a valve driving signal generator(10) and a valve driving signal switching unit(20). The plurality of gas storing units(2,4,6,8) store various kinds of gases. The plurality of valves(22,24,26,28) control a gas outflow of the gas storing unit according to a supplied valve driving signal, established in the plurality of gas storing units(2,4,6,8). The plurality of gas selection units(12,14,16,18) detect whether the plurality of gas storing units(2,4,6,8) use the gas. The valve driving signal generator generates the valve driving signal for controlling the plurality of valves(22,24,26,28). The valve driving signal switching unit(20) receives the valve driving signal according to the respective detection signals of the plurality of gas selection units(12,14,16,18), and supplies the detection signals to the plurality of valves(22,24,26,28), so that the gas of a specific gas storing unit flows out.
Patent KR-20000075268-A (KR)
Inventor: HAN YEON TAEK
IPC: G11B20/02
Filed: 1999-05-31
Abstract: PURPOSE: A method of controlling a special reproduction mode according to detecting of program grade data is provided to prevent performing of a special reproduction mode during reproduction of a video signal in which the program grade data is added. CONSTITUTION: A method of controlling a special reproduction mode according to detecting of program grade data comprises the steps of: determining whether the program grade data is detected from an image signal reproduced in a general reproducing mode of an image signal recording/reproducing apparatus; and interrupting performing of a controlling operation corresponding to a special reproduction key order if the program grade data is detected and a special reproduction key order is input to a controlling portion of the image signal recording/reproducing apparatus. In the method, the special reproduction key order is a double speed reproduction key order, a slow reproduction key order or a steel key order. The controlling operation corresponding to the special reproduction key order is interrupted by a program for performing the general reproduction mode after storing a table of the special reproduction key order in a memory. The general reproducing mode is set to be necessarily performed for a desired time to detect the program grade data when an order for reproducing a recording medium is input.
Patent KR-20000005951-A (KR)
Inventor: ONODERADADASI
IPC: G05F3/24
Filed: 1999-06-05
Abstract: PURPOSE: A band gap reference voltage generating circuit is provided to improve generating speed of the band gap reference voltage. CONSTITUTION: A band gap reference voltage generating circuit comprises a first, a second, and a third unit circuit coupled with parallel between a power supply voltage source and a ground voltage source. The circuit further comprises a fourth unit circuit including an N-channel FET turning on in response to a bias voltage loaded to a gate of the N-channel FET. The second unit circuit is coupled to the fourth unit circuit through a capacitor having one section coupled to a drain of the N-channel FET. Since the voltage of one section of the capacitor is great when the N-channel FET of the fourth unit circuit is turned on by loading the bias voltage, gate voltages of the N-channel FETs included in the first and the second unit circuits and operated in a weak reverse state are determined rapidly and the reference voltage is generated in a short time.
Patent KR-20000006088-A (KR)
Inventor: BROWN PATRICK
IPC: B44D3/04
Filed: 1999-06-10
Abstract: PURPOSE: A case is provided to maintain a paper, a noting tool, and plural drawing disks. CONSTITUTION: A case storing drawing disks includes:a container unit(12); doors(18, 19) containing a first pivot adhering unit against the container unit for being pivoted to open and close the container unit; and a plate containing a second pivot adhering unit against the door for forming a separating chamber by using the door.
Patent KR-20010002794-A (KR)
Inventor: JANG YONG GYU
IPC: H01L29/786
Filed: 1999-06-17
Abstract: PURPOSE: A method for manufacturing a thin film transistor substrate for the reflex liquid crystal display is to reduce the number of a mask when fabricating the thin film transistor substrate for the reflective liquid crystal display. CONSTITUTION: A gate interconnection includes a gate line(200) formed on an insulating substrate, a gate pad(240) connected to the gate line and for receiving a scan signal from the outside, and a gate electrode(220) being a branch of the gate line. A gate insulating layer is formed successively on the gate interconnection except for a pad portion formed with the gate pad. A semiconductor layer(400) is formed on the insulating film, and has a shape equal to the gate insulating layer. A resistivity contact layer pattern is formed on the semiconductor layer. A data interconnection includes a data line(600) intersecting the gate line and defining a pixel region, a source electrode(610) being a branch of the date line, a drain electrode(620) which is opposite to the source electrode at the center of the gate electrode, and a data pad(640) connected to the data line and receiving a picture signal.
Patent KR-20010004059-A (KR)
Inventor: HWANG HONG CHUL
IPC: F26B21/02
Filed: 1999-06-28
Abstract: PURPOSE: A dehumidifying dryer using a refrigerator is provided to rapidly dry foods with stopping the maturing of foods for maintaining the quality of foods. CONSTITUTION: A dehumidifying dryer using a refrigerator includes a compressor compressing a refrigerant, a condenser liquefying the refrigerant, and a refrigerator(2) having a cooling cycle of an evaporator taking heat from an expansion valve rapidly expanding the liquefied refrigerant with evaporation heat, and dries the stored foods in a dry chamber(1) by circulating the cooled air by the refrigerator, wherein the dehumidifying dryer using a refrigerator includes a vacuum unit(8) installed in the outside of the dry chamber and discharging the air within the dry chamber to make the inside of the dry chamber vacuum state, and a nitrogen supply unit(9) supplying the dry chamber with nitrogen gas to make the dry chamber nitrogen gas atmosphere.
Patent KR-20010004364-A (KR)
Inventor: LEE SEOK JAE
IPC: H01L27/10
Filed: 1999-06-28
Abstract: PURPOSE: A method for manufacturing a semiconductor memory device capable of preventing a lifting phenomenon is provided to improve reliability and an electrical characteristic, by preventing an electrode from being lifted or separated from a dielectric material, and by maximumly controlling migration of a Pt electrode in a high temperature thermal process. CONSTITUTION: The first interlayer dielectric is formed on a semiconductor substrate(30) having a transistor. An etching stop layer is formed on the first interlayer dielectric. The second interlayer dielectric is formed on the etching stop layer. The second interlayer is selectively etched to form a trench defining a storage electrode region in the second interlayer dielectric. The first metal layer to form a storage electrode(36) of a capacitor is formed on the entire structure and is polished to form the storage electrode in the trench. A dielectric layer is formed on the entire structure. The second metal layer to form a plate electrode of the capacitor is formed on the dielectric layer. The second conductive layer and the dielectric layer are selectively etched to form a dielectric layer pattern covering the storage electrode and the second interlayer dielectric adjacent to the storage electrode, and to form a plate electrode pattern of which an area is smaller than that of the dielectric layer pattern.
Patent KR-20010008457-A (KR)
Inventor: PARK SEUNG MO
IPC: H01Q1/24
Filed: 1999-07-01
Abstract: PURPOSE: A dipole antenna is provided to easily carry a terminal and satisfies the electrical efficiency by mounting a case and a cover of a communication terminal. CONSTITUTION: A dipole antenna is mounted to a communication terminal. An impedance matching means matches an inputted electromagnetic wave to predetermined impedance. The first and the second coupling means make a coupling of an electromagnetic wave impedance matched by the impedance matching means. The first radiating means radiates the electromagnetic wave coupled by the first coupling means. The second radiating means radiates the electromagnetic wave coupled by the second coupling means. The dipole antenna is disposed on the circuit board, and is mounted to the communication terminal.
Patent KR-20010009483-A (KR)
Inventor: KIM JONG HAE
IPC: G08G1/00
Filed: 1999-07-09
Abstract: PURPOSE: A remote control electronic variable lane system for road is provided to form an electronic lane for illuminating lines dividing a road and analyze/control a stream of cars through a CCTV, thereby controlling the number of lanes using a host computer of a traffic control center. CONSTITUTION: The remote control electronic variable lane system for road comprises plural lane displayers(21,22,23), controllers(1-1,1-N), CPUs(2-1,2-N) controlling the controllers, address designators(4-1,4-N) and a remote control communication units(3-1,3-N). The lane displayers(21,22,23) comprise plural LEDs embedded in a line with a constant gap. The controllers(1-1,1-N) control the power supply, color and flickering of the displayers on respective lane. The address designators(4-1,4-N) provide the CPU with electronic addresses. Communication between the CPU and a host computer is performed by the remote control communication units(3-1,3-N).
Patent KR-20010010166-A (KR)
Inventor: JUNG IL HYEOK
IPC: C09K11/08
Filed: 1999-07-16
Abstract: PURPOSE: The titled phosphor controlled the particle shape and size of phosphors to be suitable to a phosphor for a plasma display picture and made the particle size distribution uniform by adding boron oxide in an excess amount as much as a specified ratio is provided, which has excellent color coordinate, brightness and long persistance characteristics and is suitable for use as a PDP. CONSTITUTION: In a green emitting phosphor represented by formula: TBO3:Tb, a ratio of (Y, Tb) : BO3 is 1 : 1.015 to 1 : 1.08 and the phosphor has a particle diameter of 2 to 4.5 micrometer. The green emitting phosphor is prepared by dry mixing of Y2O3, Tb4O7 and B2O3 in a ratio of B2O3 of 1.015 to 1.08 times by mole based on Y2O3 and Tb4O7, pouring a mixed gas of 5% H2 and 95% N2 into the mixture and sintering at about 1,200deg.C for about 2 hr in a reducing atmosphere.
Patent KR-20010010513-A (KR)
Inventor: JUNG YONG JUN
IPC: H01L21/283
Filed: 1999-07-21
Abstract: PURPOSE: A method for forming a tungsten interconnection of a semiconductor device is to prevent a leakage current being generated by suppressing a titanium micro bridge. CONSTITUTION: A tungsten interconnection formation method of a semiconductor device comprises the step of: depositing a CVD tungsten layer on a titanium barrier metal layer; executing a photolithography, an etching, an ashing for removing a photoresisit, and an organic stripping for removing a polymer in this order; and supplying a vapor and applying a plasma in the ashing step. The step of supplying a vapor and applying a plasma is performed before the ashing step is performed by an in-situ, and the vapor is supplied by a vapor inlet system of an equipment. The step of supplying a vapor and applying a plasma is executed under the temperature of 250 ±100 deg.C and the pressure of 2.5 ±20 Torr for 30 ±25 seconds.
Patent KR-20010018279-A (KR)
Inventor: LEE JIN HUI
IPC: H02J7/00
Filed: 1999-08-18
Abstract: PURPOSE: A constant voltage generating device using a magnetic field is provided to stably supply a power source to a sensing/communication module by obtaining a constant voltage source from a magnetic field generated in a bus-bar or a power source cable. CONSTITUTION: The device includes a current converter(100) and a constant voltage generating section(200). The current converter(100) induces a variable AC current from the magnetic field generated by the current flowed in a bus bar or a power source cable. The constant voltage generating section(200) generates a constant voltage source by using the variable AC current induced in the current converter(100). The constant voltage generating section(200) comprises a rectifying section(210), a charger(220), a charging reference voltage setting section(230), a comparator(241), a comparing section(240), a voltage set-up section(250), and a constant voltage section(260).
Patent KR-20010018478-A (KR)
Title: Refrigerator
Inventor: PARK IL UNG
IPC: F25D23/06
Filed: 1999-08-19
Abstract: PURPOSE: A refrigerator is provided to prevent deformation of an inner case by foaming insulating material filled in a gap between the inner case and an outer case. CONSTITUTION: A gap between an inner case(2) and an outer case(8) is filled with insulating material. A sidewall duct(14) is installed before injecting the insulating material. Herein, a section of the sidewall duct is in triangular while installing corner units of the sidewall duct to face the inner case. Therefore, space between the inner case and the sidewall duct is reduced for minimizing a portion receiving relatively large foaming pressure. Thus, deformation of the inner case is prevented.
Patent KR-20010026423-A (KR)
Inventor: NAM YONG U
IPC: H01L21/66
Filed: 1999-09-06
Abstract: PURPOSE: A method for measuring a mask error is provided to determine a degree of distortion of a real mask, by measuring an offset quantity of a reference reticle with a pattern of the real mask to guarantee precise mask registration data. CONSTITUTION: A blank mask having a scaled pattern is prepared. The blank mask is aligned with a test mask of a predetermined pattern. A predetermined light source is used to obtain a projected image in which an image of the test mask is overlaid with an image of the blank mask. A degree of distortion is determined by measuring a distance from the projected image to the first position of the predetermined pattern of the test mask and the distance from the projected image to the second position of the scaled pattern of the blank mask.
Patent KR-20010026751-A (KR)
Inventor: PARK DU IL
IPC: H04N7/015
Filed: 1999-09-08
Abstract: PURPOSE: An automatic vertical sideband mode changing method of a digital transceiver is provided to automatically change a receiving mode according to a VSB mode of a data received when a VSB digital receiver receives a digital broadcasting. CONSTITUTION: It is judged whether a vertical sideband mode of a data received by a digital transceiver is a vertical sideband mode set in the digital transceiver. When the vertical sideband mode of a data received by a digital transceiver is the vertical sideband mode set in the digital transceiver, the digital transceiver maintains the set vertical sideband mode. When the vertical sideband mode of a data received by a digital transceiver is not the vertical sideband mode set in the digital transceiver, the vertical sideband mode set in the digital transceiver automatically changes until the vertical sideband mode set in the digital transceiver corresponds to a vertical sideband mode of the received data.
Patent KR-20000023042-A (KR)
Inventor: KASKAWA SHINJI
IPC: H01J9/34
Filed: 1999-09-10
Abstract: PURPOSE: An apparatus is provided to enhance a convergence and color purity of a cathode ray tube by maintaining a glass bulb without a misarrangement between an axis of the glass bulb and a center axis of the neck of the electron gun. CONSTITUTION: A fixture unit(28) includes at least 3 fixture members(321, 322, 323), and each of the fixture members(321, 322, 323) has a nect contact surface positioned on a single plain parallel with the center axis of the neck. The fixture unit(28) further includes fixture member support member for supporting the fixture members(321, 322, 323) for the neck contact surface of each of the fixture members(321, 322, 323) to move from a peripheral portion of the neck to the center axis of the neck.