baber/WOPTO huggingface dataset:
Patent KR-20040005084-A (KR)
Title: Method of manufacturing semiconductor device
Inventor: CHO IL HYEON
IPC: H01L21/8238
Filed: 2002-07-08
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to prevent the leakage current of a gate electrode by forming a triple gate oxide layer using a high-permittivity oxide layer with the same thickness and a low-permittivity oxide layer with different thickness. CONSTITUTION: An isolation layer(112) is formed on a semiconductor substrate(110) defined by the first, second and third region(A,B,C). The first, second and third oxide layer(120,122,124) having low-permittivity and different thickness are formed on the first, second and third region, respectively. At this time, the thickness of the first oxide layer(120) is thicker than that of the second oxide layer(122) and the thickness of the second oxide layer(122) is thicker than that of the third oxide layer(124). A high-permittivity oxide layer(130) having the same thickness is then formed on the entire surface of the resultant structure. Then, the first, second and third gate electrode(160,162,164) are formed on the first, second and third region.
Patent KR-20040006786-A (KR)
Title: Network connecting system for computer and method of controlling the same
Inventor: YOON JEONG MIN
IPC: H04L12/12
Filed: 2002-07-15
Abstract: PURPOSE: A system for a network connection of a computer and a controlling method thereof are provided to prevent an electric power consumption caused by other network device when a computer is connected to one network in the case that the computer includes a device capable of being connected to a wire network system and a wireless network system. CONSTITUTION: A wireless LAN card(20) supplies a wireless connection to a network. A wire LAN card(30) includes a connector for a connection of a LAN cable. A connector sensing unit(52) checks whether the LAN cable is connected to the connector of the wire LAN card(30). A wireless LAN card driver(56) or a wire LAN card driver(54) controls the wireless LAN card(20) and the wire LAN card(30), respectively. A network control unit(50) enables or disables the wireless LAN card driver(56) and the wire LAN card driver(54) selectively.
Patent KR-20040008370-A (KR)
Title: Circuit for Controlling Heater of the Gas Oven Range
Inventor: LEE SEOK JAE
IPC: F24C3/12
Filed: 2002-07-18
Abstract: PURPOSE: A heater control circuit is provided to allow for an optimum cooking operation by controlling the thermal power of the heater during the automatic cooking operation. CONSTITUTION: A heater control circuit comprises a micro computer(20) having first to third timers for outputting different driving pulses in accordance with the preset first to third thermal powers, wherein the micro computer outputs a control signal to one of the first to third timers in accordance with the manual or automatic cooking mode selected by a user and permits the relevant timer to output the corresponding driving pulse; a heater operation control unit(30) for outputting a phase control signal in accordance with the driving pulse output from the micro computer; and a heater driving unit(40) for controlling phases of an external power and applying the controlled phase to a heater(10) in accordance with the phase control signal output from the heater operation control unit.
Patent KR-20030014126-A (KR)
Title: Iron Base Alloy Plate Material for Voice Coil Motor Magnetic Circuit Yoke and Yoke for Voice Coil Motor Magnetic Circuit
Inventor: MINOWA TAKEHISA
IPC: C22C38/30
Filed: 2002-08-06
Abstract: PURPOSE: To provide an inexpensive magnetic circuit which does not require the formation of a corrosion resistant metallic film. CONSTITUTION: An iron alloy sheet material for a voice coil motor magnetic circuit yoke consists of a iron alloy having a composition containing 0.0001 to 0.02% C, 0.0001 to 5% Si, 0.001 to 0.2% Mn, 0.0001 to 0.05% P, 0.0001 to 0.05% S, 0.0001 to 5% Al, 0.001 to 0.1% O, 0.0001 to 0.03 % N, 0 to 10% Co, 0 to 10% Cr and 0.01 to 5% of alloy elements selected from Ti, Zr, Nb, Mo, V, Ni, W, Ta and B, and the balance Fe, has a sheet thickness of 0.1 to 5 mm, a magnetic field intensity variation of 0 to 10 Hz, a saturation magnetic flux density of 1.7 to 2.3 tesla, the maximum specific permeability of 1,200 to 22,000 and a coercive force of 20 to 380 A/m.
Patent KR-20040019207-A (KR)
Title: Organic electro-luminescence device and apparatus and method driving the same
Inventor: PARK JAE YONG
IPC: G09G3/00
Filed: 2002-08-27
Abstract: PURPOSE: An organic electroluminescence device and its driving apparatus and method are provided to improve reliability of an electroluminescence cell(OLED) and to improve image quality of a moving picture. CONSTITUTION: Data is supplied to a number of column lines(CL). A number of row lines(RL) crossed with the column lines are designed to select a scan line. An electroluminescence cell is formed on a pixel area between the column lines and the row lines. And a cell driving voltage source(VDD) supplies a driving voltage to the electroluminescence cell. A cathode port of the electroluminescence cell is connected to a base voltage source(GND) and a common voltage source(VCC) selectively where a reverse bias voltage is applied. A branch switch(SW) connects the cathode port of the electroluminescence cell to the common voltage source and the base voltage source selectively.
Patent KR-20040021216-A (KR)
Title: Method for transferring the materials for the converter process
Inventor: JUN GI CHUN
IPC: B65G65/30
Filed: 2002-09-03
Abstract: PURPOSE: A method for feeding materials for a converter process is provided to lengthen the life span of a material feeding equipment by controlling the speed of a vibrator feeder and the load of a driving motor for a bucket elevator according to information about the materials. CONSTITUTION: A method for feeding materials for a converter process comprised the steps of: a truck driver inputting information about the materials into an operator panel; setting the speed of a vibrator feeder according to the information; setting a ground hopper according to the information; moving a tripper car to the ground hopper; operating a belt conveyor, a bucket elevator, and the vibrator feeder successively; measuring the load of a driving motor for the bucket elevator; resetting the feedback speed of the vibrator feeder; and controlling the speed of the vibrator feeder.
Patent KR-20040023937-A (KR)
Title: Case of semiconductor module incapable of separating bush
Inventor: LEE GWANG BOK
IPC: H01L23/02
Filed: 2002-09-12
Abstract: PURPOSE: A semiconductor module case with a separable bush structure is provided to make a bush move vertically while the bush is not separated, by inserting the bush into a hole of a semiconductor module case and by coupling the bush to a heat sink. CONSTITUTION: A semiconductor chip is disposed in the semiconductor module case(20) that exposes an electrical terminal(300) electrically connected to the semiconductor chip to the outside. The first side parts(210) are disposed to confront each other, defining the right and left regions of the inner space of the semiconductor module case in the first direction. The second side parts(220) are disposed to confront each other, defining the right and left regions of the inner space of the semiconductor module case in the second direction vertical to the first direction. A hole is formed in a connection part(230) which protrudes to the outside of the second side parts under the semiconductor module case. The bush is inserted into the hole to provide a space where a screw is coupled, defining a depth that is inserted into the hole by the protrusion.
Patent KR-20040025112-A (KR)
Title: Device for preventing gas from leaking in the track of sintering truck
Inventor: NAM CHU SEOP
IPC: F27B21/08
Filed: 2002-09-18
Abstract: PURPOSE: A device for preventing air leakage at the track part of sintering car is provided to shorten sintering time by completely blocking an external air at sealing bar and wearing bar adhered to the sintering car, thereby reinforcing available air volume of raw material charging layer. CONSTITUTION: In a device for blocking air flown in air suction box from the outside at sliding track(25) of sintering car during sintered ore operation, the device comprises an inverted "L" shaped sealing bar(211) continuously fixed to sealing bar base(5) formed at lower both side parts of the sintering car; a sealing type "L" shaped wearing bar(212) continuously fixed to the sliding track so that grease pocket(215) is formed in a central part of the "L" shaped wearing bar with the wearing bar being correspondingly contacted with the inverted "L" shaped sealing bar; and grease supply holes connected to grease supply pipe(23) and formed on the "L" shaped wearing bar with being spaced apart from each other in a certain distance to consistently supply grease to the grease pocket formed in the central part of the "L" shaped wearing bar by contact between the inverted "L" shaped sealing bar and the "L" shaped wearing bar.
Patent KR-20040025368-A (KR)
Title: Method of advertisingprinting with advertisement and advertisement system using the same
Inventor: CHAE SEONG WON
IPC: G06Q30/02
Filed: 2002-09-19
Abstract: PURPOSE: A method and a system for an AD(ADvertisement) using a printing device are provided to generate the user printing data and the AD printing data by converting the user and the AD data based on the layout information selected by a user, synthesize the user printing data and the AD printing data through an overlay method, and print the synthesized printing data. CONSTITUTION: A user data processor(22) generates the user printing data by converting the user data to be printed into a printer language according to the layout information provided from a layout setter(21). An AD data processor(25) generates the AD printing data by processing the AD data according to the layout set from the layout setter. A synthesizer(26) generates the synthesized AD printing data by synthesizing the user printing data and the AD printing data. A printer(17) prints the synthesized AD printing data to a printing paper.
Patent KR-20040025459-A (KR)
Title: Menu display method for mobile terminal
Inventor: LEE SEONG BEOM
IPC: H04B1/40
Filed: 2002-09-19
Abstract: PURPOSE: A method for displaying menus of a portable terminal is provided to decide which menus are frequently used by a user through the user's menu selection frequency, and to automatically move a selection function to the most frequently used menu according to a menu selection mode, thereby minimizing key operations of the user. CONSTITUTION: If a user selects a main menu or a sub menu by pressing a key of a terminal, the terminal decides counter values of each menu and displays basic menus if all the decided counter values are '0'. If the all the decided counter values are not '0', the terminal locates a selection function on a menu having the biggest counter value. The terminal increases the counter value of the corresponding menu when the user selects the corresponding menu. If the increased counter value is more than a preset value, the terminal makes the counter value of the menu '2', makes counter values of the rest menus '0', and completes the procedure. If the increased counter value is less than the preset value, the terminal decides whether a menu having the same value as the selected menu exists. If so, the terminal decreases a counter value of the menu having the same counter values as the rest menus except the selected menu.
Patent KR-20040025460-A (KR)
Title: Driving control apparatus and method for reciprocating compressor
Inventor: LEE CHEOL UNG
IPC: F04B49/12
Filed: 2002-09-19
Abstract: PURPOSE: An apparatus and a method for controlling operation of a reciprocating compressor are provided to improve efficiency of a system by keeping steady TDC regardless of load. CONSTITUTION: An apparatus includes a current detecting part(40) detecting current impressed to a motor; a voltage detecting part(50) detecting voltage impressed to the motor; a stroke estimating unit(60) calculating stroke estimation using the detected voltage and the detected current impressed to the motor and a motor parameter; a mid position calculating part(70) calculating mid point using the stroke estimation; a stroke command value determining unit(10) comparing the mid position with the previous mid position, adding and subtracting corresponding stroke command compensating value to and from stroke command value to determine the stroke command value; a comparator(20) comparing the stroke command value and the stroke estimation to output signal corresponding with the difference; and a stroke control unit(30) comparing the stroke command value and the stroke estimation, and changing voltage impressed to the motor correspondingly to control stroke.
Patent KR-20030027701-A (KR)
Title: Schottky barrier diode and method of fabricating the same
Inventor: ASANO TETSURO
IPC: H01L29/872
Filed: 2002-09-24
Abstract: PURPOSE: To solve the problem in the conventional art where a polyimide layer is arranged below a bonding pad, in order to prevent generation of fracture, and the bonding pad is formed by using gold plating. CONSTITUTION: An insulated region is arranged below an anode bonding pad, so that the anode bonding pad can be fixed directly on a substrate. Parasitic capacitance below the bonding pad is almost eliminated, and further, a nitride film can be used as an interlayer insulating film, so that the cost is reduced. Moreover, the manufacturing flow is simplified, and fracture and peeling due to stress at bonding are eliminated.
Patent KR-20040031257-A (KR)
Inventor: CHOI YONG HA
IPC: B60K35/00
Filed: 2002-10-04
Abstract: PURPOSE: Sealing efficiency improvement structure of a speed sensor assembly for a vehicle is provided to prevent moisture from infiltrating into the shaft housing by improving sealing efficiency of the speed sensor assembly, and to cut down maintenance cost by extending the life span of the speed sensor assembly. CONSTITUTION: An internal thread of a shaft housing is combined with an external thread(41) of a driven gear housing(40), and a sealing adhesive(51) is spread on the surface of the external thread to prevent the gap between the external thread and the internal thread in assembling the shaft housing with the driven gear housing. A PCB(Printed Circuit Board) is mounted in a sensor housing, and the end of the sensor housing is inserted to the shaft housing. Epoxy resin is spread on the end of the sensor housing protruded for the front of the PCB to restrict direct connection of the PCB and the space of the shaft housing in assembling the shaft housing with the sensor housing.
Patent KR-20040032708-A (KR)
Title: Hight prostressed spacial wood.
Inventor: UH KYUNG HAE
IPC: B27M1/00
Filed: 2002-10-10
Abstract: PURPOSE: A method for making a high-strength ps hardwood is provided to increase the tensile strength of wood materials so that the wood materials can be used as a horizontal member such as a floor and a crossbeam. CONSTITUTION: The method for making a high-strength ps hardwood comprises inserting a reinforcing material(1) having a high tensile strength into laminating wood materials. The reinforcing material(1) is inserted by inserting a case for the reinforcing material, and then the reinforcing material is imprinted and bonded. Particularly, the reinforcing material is an aramid fiber, a carbon fiber, a pc(Prestressed Concrete) steel wire, or the like.
Patent KR-20040034083-A (KR)
Title: SDH transmission system
Inventor: JUN GI YONG
IPC: H04L12/43
Filed: 2002-10-21
Abstract: PURPOSE: An SDH(Synchronous Digital Hierarchy) transmission device is provided to install multiplexers and clock units in bit leaking block units consisting of many bit leaking blocks, and to multiplex signals of the bit leaking block units, thereby remarkably reducing the number of line ports of PDH(Plesiochronous Digital Hierarchy) signals demultiplexed from each of the bit leaking block units. CONSTITUTION: Bit leaking block units(1A-1N) demultiplex received PDH signals, and consist of many blocks. A data extraction processing unit(2) extracts predetermined clocks and parallel data among serial data inputted from an exchange. An SDH processor(3) sequentially processes STM-1 reframing, AU pointer interpretation, and TU pointer interpretation functions by using clock signals and the parallel data, and outputs control clock signals and data to each of the bit leaking block units(1A-1N). A multiplexer address unit(4) 4-demultiplies the clock signals, generates 4-phase 6M clock signals, and generates a multiplexer address signal to read data in different phases.
Patent KR-20040036286-A (KR)
Title: Device and method for controlling driver of sled motor
Inventor: JANG YEONG UK
IPC: G11B7/085
Filed: 2002-10-24
Abstract: PURPOSE: A device and a method for controlling a driving part of a sled motor are provided to make the driving part disable when an output value of a sled filter is below a predetermined threshold value, and make the driving part enable when the output value is over the predetermined threshold value. CONSTITUTION: A low pass filter(241a) outputs a sled drive signal by responding to a tracking drive signal to drive a tracking actuator included in an optical pickup of an optical disc playback system. A controller(240a) drives the sled motor by transferring the output value of the low pass filter to the driving part of the sled motor if an absolute value of the output value from the low pass filter is larger that the threshold value. If the absolute value of the output value from the low pass filter is not larger than the threshold value, the controller makes the driving part disable. The controller includes a comparison/control signal generator(243a), the first storage(244a) storing a value of an off signal, the second storage(245a) storing the value of a control signal, and a selector(246a).
Patent KR-20040038248-A (KR)
Title: Timing recovery apparatus in digital TV receiver
Inventor: JUN JEONG SIK
IPC: H04N7/015
Filed: 2002-10-31
Abstract: PURPOSE: A clock recovery device of a digital TV receiver is provided to remove a remaining phase error that is not perfectly removed in a carrier recovery portion by using a nonlinear device in a clock recovery unit, thereby performing a stable clock recovery process without being influenced by the remaining phase error. CONSTITUTION: Remaining phase error removing portions(401,402,403) square real number components with imaginary number components, respectively, and add the squared number components. Phase dividing portions(404,405) divide VSB(Vestigial Side Band) signals outputted from the remaining phase error removing portions(401,402,403) into real number component and imaginary number component signals. A resampling portion(406) interpolates the divided VSB signals by using inputted offsets and mask signals, and outputs the interpolated signals. VSB/OQAM(Offset Quadrature Amplitude Modulation) converters(407,408) convert the interpolated signals into OQAM signals. Timing error detectors(409,410,411,412,413) nonlinearly operate the OQAM signals, and detect timing error information. A loop filter(414) and NCOs(Numerically Controlled Oscillators)(408,415) filter low band signal components only from timing error information, estimate symbol clocks to calculate time differences between a current A/D sample and a substantial symbol sample, generate the mask signals, and output the mask signals to the resampling portion(406).
Patent KR-20040039933-A (KR)
Title: Gas valve lock apparatus
Inventor: KIM SEONG GEUN
IPC: F24C3/12
Filed: 2002-11-05
Abstract: PURPOSE: A gas shut-off device is provided to prevent the leaking and overheating of gas caused by carelessness and absent-mindedness of users by sensing human bodies with a supersonic sensor of high reliability without malfunctions. CONSTITUTION: A gas shut-off device is composed of a supersonic sensor unit(10) and a gas circuit breaker(20). The supersonic sensor unit transmits supersonic waves and receives a reflected supersonic wave-detecting signal to decide the existence of persons. The gas circuit breaker settled to interlock with a gas valve(100) installed to open and close a gas pipe(110) by rotation operates the supersonic sensor unit when a user rotates the gas valve to open the gas pipe and closes the gas pipe by rotating the gas valve in the opposite direction if deciding that persons don't exist for the pre-set standby time to the supersonic wave-detecting signal transmitted from the supersonic sensor unit.
Patent KR-20040040655-A (KR)
Title: Device for fixing pda gps
Inventor: OH SANG GIL
IPC: B60R11/02
Filed: 2002-11-07
Abstract: PURPOSE: An accessory holder is provided to prevent the removing by reinforcing the absorbing force and sustaining power of a vacuum absorbing pad and installing an auxiliary supporting unit. CONSTITUTION: A storing pocket(10) holds an accessory(1) for a mobile phone. A supporting bar has a first supporting member(21) to be connected with the storing pocket and a second supporting member(22) to be vertically extended from the first supporting member. A vacuum absorbing pad(30) is fixed in a room mirror(5) by connecting with the second supporting member. The vacuum absorbing pad has a double absorbing structure to include an auxiliary vacuum absorbing portion(33) inside a main vacuum absorbing portion(32). Thereby, the vacuum absorbing pad is not easily removed from the room mirror by vibration or shock.
Patent KR-20040041801-A (KR)
Title: Method for manufacturing the ferrite stainless steel
Inventor: KIM DONG SIK
IPC: C21C7/04
Filed: 2002-11-11
Abstract: PURPOSE: A method for manufacturing ferritic stainless steel is provided to improve cleanliness of molten stainless steel by dividing deoxidizing process of molten stainless steel into two steps in AOD refining furnace and using a deoxidizer comprising aluminum and iron. CONSTITUTION: In a method for manufacturing ferritic stainless steel comprising a refining step of decarburizing and deoxidizing molten stainless steel in an AOD (argon oxygen decarburization) refining furnace, and gas agitating the refined molten stainless steel in a ladle, wherein the ferritic stainless steel comprises 0.01 to 0.04 wt.% of C, 16 to 19 wt.% of Cr, 0.4 to 0.5 wt.% of Mn, 0.5 wt.% or less of Ni, 0.01 wt.% or less of Al, 15 ppm or less of N and 0.2 to 0.3 wt.% of Si, the method is characterized in that deoxidizing process in the refining step comprises first deoxidizing process of injecting 65 to 70 wt.% of ferro silicon (Si-Fe) and 60 to 70 wt.% of ferro manganese (Mn-Fe) into the molten stainless steel; and second deoxidizing process of injecting a ferro alloy comprising 15 to 20 wt.% of Ca, 50 to 60 wt.% of Si, 1.2 to 2 wt.% of Al, 10 to 15 wt.% of Mn and 10 to 15 wt.% of Fe into the molten stainless steel.
Patent KR-20040042350-A (KR)
Title: Clutchless Compressor with Parting Part
Inventor: SON EUN GI
IPC: F04B35/00
Filed: 2002-11-14
Abstract: PURPOSE: A clutchless compressor with tearing parts is provided to reduce the parts required for coupling and separating and surely block the power after the separation without disturbing the rotation of a pulley. CONSTITUTION: A clutchless compressor with tearing parts includes a pulley(100) formed with a plurality of insertion holes(101) on a side surface to secure a disc plate, and the disc plate connected to a compressor. The disc plate has insertion parts(201) on a bottom surface facing the pulley, wherein the insertion parts are inserted into the insertion holes of the pulley. The disc plate has a hub fixing part(202) in the center of a top surface, wherein the hub fixing part has a plurality of tearing parts at a lower end. Molded insertion parts(300) formed of buffering elements surround the insertion parts, wherein the molded insertion parts are inserted into the insertion holes, thereby connecting the pulley to the disc plate.
Patent KR-20030072197-A (KR)
IPC: H01L29/78
Filed: 2002-11-14
Abstract: 일단 더미 사이드월(22)을 형성하고, 소스, 드레인영역(23)을 형성한 후, 더미 사이드월(22)을 제거하여 소스, 드레인영역(23)을 확장하는 경우에, 게이트전극(21)이나 소스, 드레인영역(23)의 주표면에 보호산화막(38)을 형성하고 나서 더미 사이드월(22)을 제거한다. 종래와 같은 게이트전극의 상면과 불순물영역의 더미 사이드월 제거에 따른 표면 거칠함을 효율적으로 방지할 수 있다.