baber/WOPTO huggingface dataset:
Patent KR-20010001324-A (KR)
Inventor: JUNG JAE YEOL
IPC: B60H1/00
Filed: 1999-06-03
Abstract: PURPOSE: A heating system is provided to achieve a rapid and effective heating and reduce warm-up time for engine by arranging an auxiliary heater. CONSTITUTION: A heating system comprises a heater unit, and a blower fan, and an auxiliary heater(10) arranged at a water circulation line between the heater unit and an engine, and which generates a frictional heat by being rotated by an engine driving force and heats the water flowing into the engine through the heater unit. The auxiliary heater includes a heater body(13) having a hollow portion(11) formed within the auxiliary heater and a plurality of water channels(12) formed at an inner wall of the heater body, and a rotor(16) for receiving a power from the engine by using a pulley(14). The water channel is communicated with the water circulation line. The rotor is installed within the hollow portion and generates a frictional heat with a silicon oil(15) coated to the wall of the hollow portion. Thus-generated frictional heat is transferred to the water flowing along the water channel, to thereby heat the water flowing into the engine.
Patent KR-20010005055-A (KR)
Inventor: SEO JI YUN
IPC: B60G11/12
Filed: 1999-06-30
Abstract: PURPOSE: A bush for a suspension of a vehicle is provided to form displacement parts or stiffness maintaining beads to an elastic element mounted between an inner steel and an outer steel for simultaneously providing low placement-high stiffness and high displacement-low stiffness properties to control motion of the inner steel, thereby guaranteeing steering stability in case of corner driving. CONSTITUTION: A bush(10) for a suspension of a vehicle which is mounted with an elastic element(20) between an inner steel and an outer steel to link, includes securing parts(22) to be closely fitted with a part of an outer periphery of the inner steel, stiffness maintaining beads(24) protruded inwardly at environmental areas of the securing parts for restraining deviation of the inner steel out of the securing parts, and displacement parts(26) extended from the stiffness maintaining beads and curvedly formed for inserting the inner steel when the inner steel is deviated from the securing part.
Patent KR-20010009214-A (KR)
Inventor: MIN BYEONG CHEOL
IPC: H01P1/203
Filed: 1999-07-08
Abstract: PURPOSE: A microstrip superconductive filter is provided to prevent an interference with other frequency band by having a steep skirt property and a strong out-of-band rejection property of an output frequency. CONSTITUTION: A superconductive filter comprises a board, a number of pi-shaped capacitors(20) provided on the board to form resonators, a number of loop-shaped microstrip lines(10), a feed line(30), a ground surface on the lower part of the board and a gold thin film formed on the ground surface. The board is made of a dielectric material on which a superconductive thin film can grow. The feed line(30) is formed on the board at the both ends of the resonators for receiving an external signal and sending a filtered signal from the resonators. The ground surface is made of a superconductive material. The gold thin film is formed on the superconductive ground surface to strengthen the ground between the filter and a package.
Patent KR-20010010618-A (KR)
Inventor: CHO GYEONG HUN
IPC: F25D23/00
Filed: 1999-07-21
Abstract: PURPOSE: A method is provided to prevent the matters caused by microorganism harmful to food by humidifying the humidifying water purified and sterilized by driving of a heater installed in a humidification device. CONSTITUTION: A sterilization humidification device and the control method for a refrigerator using a heater is for maintaining the best degree of humidity and freshness inside the refrigerator by always preserving a proper temperature of water(80-90 deg.C) in a humidification tank. When a humidification cooling switch is on, a microcomputer(400) decides whether the current water temperature in the humidification tank is the predetermined proper temperature(80-90 deg.C). If it is at the proper temperature, a heater is off and humidification cooling is directly started and if not at the proper temperature, the heater(700) is on and humidification cooling and sterilization of the water in the humidification tank are simultaneously conducted. Therefore, the food in a refrigerator is preserved fresh without putrefaction of microorganism in food moisture of a refrigerator.
Patent KR-20010011655-A (KR)
Inventor: KIM U YEON
IPC: G02F1/1335
Filed: 1999-07-29
Abstract: PURPOSE: A light guide panel of a flat panel display device and method of fabricating the same is provided to increase the luminescence of a back light device, by securing transparency of the light guide panel and coating light reflecting elements on the surface of the light guide panel. CONSTITUTION: A light guide panel made of optically transparent material comprises a transparent substrate(1000) and plural protrusions(320). The transparent substrate(1000) is made of optically transparent material with a refractive index in a range of 1.4 to 1.6. The plurality of protrusions(320) made of a photosensitive liquid polymer has the width in a range of 5 to 300 micrometers and the thickness in a range of 5 to 200 micrometers. The plurality of protrusions(320) formed on the transparent substrate(1000) reflects the light emitted from a fluorescent lamp(400) and the reflected light exits in a vertical direction for a light discharge surface of the light guide panel.
Patent KR-20010016971-A (KR)
Inventor: BAEK GI HO
IPC: G03F7/039
Filed: 1999-08-06
Abstract: PURPOSE: Novel photoresist polymer and a photoresist composition are provided to supply excellent resistance against etching, reproducibility, durability, adhesive property, and resolution. CONSTITUTION: By reducing a polymer including more than one compound of chemical formula 2a or 2c, a compound of chemical formula 3a or 3c is obtained. Herein, the compound of chemical formula 3a or 3c is reacted with more than one compound supplying an acid liable protecting group. Then, the acid liable protecting group is substituted for portion of hydroxy group to obtain compound polymer of the compound of chemical formula 1a or 1c. In a reaction formula 1, R1, R2, and R3 are alkyl having carbons for one to four. R4, R5, and R6 are hydrogen or the acid liable protecting group partially substituted to the hydroxy group.
Patent KR-20010017314-A (KR)
Inventor: KO GWANG JUN
IPC: B01F15/02
Filed: 1999-08-10
Abstract: PURPOSE: Disclosed is a powder feeder that is capable of controlling the amount of powder fed to a mixer homogeneously. CONSTITUTION: The powder feeder is composed of a powder bag loading part(32), a hopper of a scale part(20) tuning the content of feeding, a chute(22) connected with an inlet of a mixer(30), a vibrating part(24) which prevents powder from clogging or chocking in the powder passageway. A gate valve(26) which plays the opening or closing role of a powder and installed between a chute(22) and a mixer(30), an opening sensor(27), and a closing sensor(28).
Patent KR-20010018248-A (KR)
Inventor: KIM JEONG SIK
IPC: B60P1/00
Filed: 1999-08-18
Abstract: PURPOSE: A rear door hinge bracket enables to make a needed strength even by using a thin iron plate. CONSTITUTION: An iron plated is processed to extend supporting fragments(10,12) having shaft holes(6,8) and fixing fragments(18,20) having fixing holes(14,16) from the upper portion and the lower portion of connecting fragments(2,4). The fixing fragments(18,20) and the connecting fragment(4) are cut and separated along a boundary line. The fixing fragments(18,20) is perpendicularly bent from the supporting fragments(10,12) to the same directions. The supporting fragments(10,12) are perpendicularly bent from the connecting fragments(2,4). The connecting fragment(4) is fixedly welded between the fixing fragments(18,20).
Patent KR-20010036912-A (KR)
Inventor: KO SEOK HO
IPC: D06F33/02
Filed: 1999-10-12
Abstract: PURPOSE: A usage count informing method informs a user of information about total usage count and usage count for each course or stroke. CONSTITUTION: A usage count informing method comprises a data reading step, a storing-by-functions step, a function completion determination step, a data storing step and a data informing step. The date reading step is to read initial data of all usage counts of a washing machine already stored in a memory device(55) when power is supplied to a system. The storing-by-functions step is to store data by functions selected by the user with a key input part(10). The function completion determination step is to determine whether appropriate functions the user selects after washing operation by the functions and duration the user selects is completed. The data storing step is to add '1' to the usage count of the initial data of the function the user selects and store the usage count to the memory device(55) if the function the user selects is completed. The data informing step is to read data stored in the memory device(55) and display current usage count by functions when the user orders to inform data of the all usage count of the washing machine.
Patent KR-20010038280-A (KR)
Inventor: CHOI JAE UK
IPC: H02H3/08
Filed: 1999-10-23
Abstract: PURPOSE: An overcurrent detecting device of a USB hub is provided to reduce the number of outer pins of the USB hub by recognizing the overcurrent through a differential data line by the USB hub. CONSTITUTION: An upstream port(200) is used as a connecting member for connecting a USB(Universal Serial Bus) hub controller or an upper hub. Differential data is inputted from the upstream port(200), and is transferred to a down stream port(400). A USB hub(100) controls the power supply of the down stream port(400), and detects the overcurrent during the supply of the power by using a signal inputted through the differential data lines. A power control section(300) supplies the power by using a power supplying signal of the USB hub(100), and detects the overcurrent during the supply of the power. A power switching section(500) is controlled by the overcurrent detecting signal of the power controlling section(300), and outputs the signal to the differential data lines. The downstream port(400) receives the differential data from the USB hub(100). The power source is supplied to the down stream port(400) through the power controlling section(300).
Patent KR-20010039023-A (KR)
Inventor: SHIN HONG JAE
IPC: G09G3/20
Filed: 1999-10-28
Abstract: PURPOSE: A driving circuit of a field emission display (FED) is provided to decrease power consumption and enable high speed action by installing a switch equipped with NMOS transistor at the lower part of a cathode so that the cathode is separated from a cathode line, thereby being connected only to picture elements to which data is applied. CONSTITUTION: In a driving circuit of a field emission display, the driving circuit of a field emission display (FED) comprises a gate scan driving circuit part (470) sequentially applying a certain voltage pulse width to the gate line by being connected to a gate line and a gate electrode respectively; a cathode data driving circuit (430) part outputting data signals; a plurality of switching elements equipped at the lower part of the cathode of each FED picture elements by being drawn out from the cathode line; a buffer (473) connected to the switching element of each FED picture elements; and a controller (410) applying image signals applied from the outside to the gate scan driving circuit part (470) and the cathode data driving circuit part (430) as a certain voltage signal.
Patent KR-20010048589-A (KR)
Inventor: PARK HYEON SU
IPC: B23K20/00
Filed: 1999-11-27
Abstract: PURPOSE: Provided is a method for welding bolts for fuel tank of car to prevent resistance heat from being concentrated to only one spot and to strengthen welding spot which is usually weak because of pores and minute cracks. CONSTITUTION: The method for welding bolts for fuel tank (10) of car comprises the steps of: i) forming a semicircular projection on a bolt made of S10C or SWRCH10K and fixing bracket of a fuel tank with the projection (11); ii) putting a pressure on the bracket with bolt inserted between a fixed arm (21) and movable arm (31) at 500-600kgf/cm¬2 for 35-45 seconds; and iii) sending electric current of 14000-17000A for 4-8 seconds for binding the bracket with the projection (11) and keeping the bracket intact for 5-15 seconds.
Patent KR-20010048609-A (KR)
Inventor: LIM HO
IPC: H04M1/64
Filed: 1999-11-27
Abstract: PURPOSE: An audio message reservation transmission of an audio recording apparatus and a response recording method are provided to record an audio message in an audio recording apparatus, automatically output the recorded message to multiple opponents, record the response again and inform the same messages to multiple opponents. CONSTITUTION: A user judges a command mode with respect to an input(S11,S12). If the command is an audio recording function, data are managed in such a manner that an audio message is recorded, reproduced and deleted and multiple audio messages are stored. The recorded audio message includes a certain message number and a simple title for an easier separation(S13). If the command is a transmission reservation function, the user registers, amends and deletes the information concerning when the recorded audio message is transmitted(S14). If the command is a transmission function, a call is made so that the recorded audio message is actually transmitted to a reserved receiver. In case that the receiver receives, a corresponding audio message is reproduced, and the response is recorded after the reproducing operation(S15). If the command is a response display function, a result of the reservation transmission is informed to a reserving unit(S16).
Patent KR-20000012417-A (KR)
Inventor: KIM SUN KON
Filed: 1999-12-03
Abstract: PURPOSE: A wireless responding bid system for an electronic auction and driving method therefor are provided, which transmits data according to an essence number of each wireless responding bid device received from a receiver when performing an electronic auction. CONSTITUTION: A wireless responding bid system for an electronic auction comprises: a CPU (1) for controlling an entire system; a wireless set (2) for transmitting and receiving data with a receiver according to the CPU (1); a modem (3) for modulating and demodulating data transmitted and received through the wireless set (2); a digital switch (4) for setting an essence number of a responding bid device; a key matrix (5) for inputting a responding bid price; a key input unit (6) for inputting the responding bid price to the CPU (1); and a display unit (8) for displaying the responding bid price on a 7-segment (7) according to the control of the CPU (1). Thereby, the size of the entire system is decreased.
Patent KR-20000053697-A (KR)
Inventor: JEONG JAE WOO
IPC: H04N7/173
Filed: 1999-12-07
Abstract: PURPOSE: A method for supplying information of moving pictures is provided, so that subscribers can display the information of stored moving pictures without connecting to the internet, by setting up the information to store the information in subscriber computers, and by displaying the information on one side of an internet messenger. CONSTITUTION: A method for supplying information of moving pictures using an internet messenger comprises the steps of: if request information on moving pictures plots including types, kinds, updated cycles of the information of the moving pictures which are preset by subscribers is inputted via the internet, extracting the information on the moving pictures plots; transmitting the extracted information and additional information to computers of the subscribers, and storing the extracted information and the additional information in the computers; if purchase requests for the full-version information of the moving pictures about the plots are generated from the computers, while displaying the plots, automatically connecting the computers to sites supplying the full-version information of the moving pictures.
Patent KR-20010055234-A (KR)
Inventor: KIM JEONG UK
IPC: H04R9/00
Filed: 1999-12-10
Abstract: PURPOSE: A vibration and sound generating device is provided to prevent a collision between a magnetic generating part and a lower cover by forming a spring and the lower cover as one body using an elastic body, and suppress a right and left rolling of the magnetic generating part. CONSTITUTION: A terminal plate(54) is attached on one side of a case(50). A magnetic generating part(52) generates a magnetic field and is embodied at a lower side of the case(50). A voice coil(56) is placed at a top of the magnetic generating part(52) and generates an electric field when a power is supplied. A vibration plate(58) generates a sound and is placed at a top of the voice coil(56). An elastic member(60) is interposed between a lower side of the magnetic generating part(52) and an inner side of the case(50) and transfers the vibration from the magnetic generating part(52) into the exterior.
Patent KR-20010055914-A (KR)
Inventor: JUNG JAE YONG
IPC: G01N1/00
Filed: 1999-12-13
Abstract: PURPOSE: A method for manufacturing a SCM(Scanning Capacitance Microscope) sample is provided to smoothly observe doping profile of a semiconductor by reducing the surface roughness by removing scratch generated in the surface of the sample with a sputtering method, thereby accurately measuring the result of performing a semiconductor process. CONSTITUTION: A method for manufacturing a SCM sample includes the step of preparing sample pieces to be observed in regular size(S100), vertically cutting the bonded sample(S120), coating metal on the cut surface(S140), attaching the metal-coated part to a mount(S160), inserting the result material into a doughnut-shaped sample holder(S180), polishing the sample on a lapping film(S200), etching the surface by using a sputtering machine(S220), and observing doping profile of the sample from the sample etching scratch by using a SCM(Scanning Capacitance Microscope)(S220).
Patent KR-20010055935-A (KR)
Inventor: JUNG HUI SANG
IPC: G02B6/10
Filed: 1999-12-13
Abstract: PURPOSE: An L-band EDFA(Erbium Doped Fiber Amplifier) is provided to be capable of securing a large gain by using an EDF length of the second amplification stage longer than that of the first amplification stage. CONSTITUTION: The first amplification stage(100) has the first EDF(102) of a predetermined length and a reverse-direction pump 980nm laser diode(103) in order to lower a noise figure of an input light of a long wavelength band, and it amplifies the input light. The second amplification stage(300) has the second EDF(303) of a predetermined length and a bidirectional pump 980nm laser diode(302) in order to adjust a gain magnitude, and it amplifies the primarily amplified input light. The length of the second EDF is ten to twentieth times as long as that of the first EDF. An isolator(200) is connected between the first and second amplification stages so as to isolate the first and second amplification stages.
Patent KR-20010061019-A (KR)
Inventor: PARK HYEON
IPC: H01L21/027
Filed: 1999-12-28
Abstract: PURPOSE: A method of pattern forming in a semiconductor device is provided to enable a selective formation process by using a mask simultaneous with pattern formation in a pattern forming process. CONSTITUTION: A mask(32) is positioned over a lower layer(31) with a uniform distance from the lower layer(31). A pattern forming film(33a) is deposited on the front surface of a structure including the lower layer(31) and the mask(32). The mask is one selected from a group including a hard mask, a solid mask and an image mask. In sputtering, atoms from a target are deposited on a portion where the mask(32) does not exist. If the thickness of deposition is larger than the added value of the lower layer(31) and the mask(32), the thickness is adjusted. A pattern layer is formed on the lower layer(31) in a portion where the pattern is formed by the mask(32).
Patent KR-20010061099-A (KR)
Inventor: KIM JIN UNG
IPC: H01L21/28
Filed: 1999-12-28
Abstract: PURPOSE: A method for forming a contact of a semiconductor device is provided to perform a self alignment contact process by using a SiCN:H layer as an etching barrier. CONSTITUTION: A word line(3) is formed on an upper portion of a semiconductor substrate(1). A spacer as an oxide layer is formed at both sides of the word line(3) by using the oxide layer as a hard mask. A SiCN:H layer(5) is deposited on an upper portion of the whole structure. An interlayer dielectric(7) is formed on an upper portion of the SiCN:H layer(5). A photoresist mask is formed on an upper portion of the interlayer dielectric(7). A self-alignment contact etching process is performed by using the SiCN:H layer(5) as an etching barrier.
Patent KR-20010061309-A (KR)
Title: Method for manufacturing ferroelectric memory device
Inventor: KWON SUN YONG
IPC: H01L27/105
Filed: 1999-12-28
Abstract: PURPOSE: A method for manufacturing a ferroelectric memory device is to improve an electrical characteristic of a top electrode of a capacitor and a metal wiring. CONSTITUTION: The first interlayer dielectric(24) is formed on a substrate with an impurity diffused layer(23a,23b), and a capacitor comprising a bottom electrode, a ferroelectric film, and a top electrode(29) is formed on the first interlayer dielectric. The second interlayer dielectric is formed on the substrate comprising the top electrode of the capacitor. The second interlayer dielectric is patterned to expose the top electrode and the impurity diffused layer. The first TiN is formed on the entire surface of the substrate, and is patterned to form a diffusion barrier film so that the first TiN is on only the top electrode of the capacitor. Tantalum and the second TiN are deposited on the entire surface, and is patterned to a metal wiring(36) connecting the top electrode and the impurity diffused layer.
Patent KR-20010065677-A (KR)
Inventor: KIM DONG YEOL
IPC: H01L21/66
Filed: 1999-12-30
Abstract: PURPOSE: An apparatus for connecting a bit mapper is to analyze defect of kinds of semiconductor devices having various package types using a single sheet of dut board, thereby facilely and conveniently analyzing the defect. CONSTITUTION: A protruded mounting portion(25) is protruded toward an upper portion of a center portion of a bit mapper(10). A dut board is disposed at recessed portion(15) which is formed at a circumferential face of the protruded mounting portion to be recessed in a desired depth. A socket(50) is mounted on a socket board(35) to be contacted with a pogo ring(30) disposed at an upper portion of the protruded mounting portion. A plurality of pogo pins is also disposed at the socket board. An electric signal of the bit mapper is transmitted to the dut board and then received to the pogo pin. The signal is withdrawn from the pogo pin and then transmitted through the socket board to the socket.
Patent KR-20010058992-A (KR)
Inventor: CHOI YONG SU
IPC: H01L21/302
Filed: 1999-12-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device by using a chemical mechanical polishing(CMP) method is provided to increase uniformity in a wafer after a polishing process and to shorten the entire manufacturing time, by preventing dishing of a metal interconnection layer and erosion of an oxide layer. CONSTITUTION: A polishing target layer is formed on a polishing stop layer formed on a semiconductor substrate(1). The polishing target layer is eliminated by the first chemical mechanical polishing(CMP) process while a portion of the polishing target layer is left on the polishing stop layer. Slurry of a lower temperature than that of the first CMP process is supplied while the polishing target layer is polished to expose the polishing stop layer by the second CMP process.