baber/WOPTO huggingface dataset:
Patent KR-20030002314-A (KR)
Title: Apparatus for exposure
Inventor: PARK JEONG RYEOL
IPC: H01L21/027
Filed: 2001-06-28
Abstract: PURPOSE: An exposure apparatus is provided to fabricate a multilevel mask by forming a multilevel image on a wafer, and to simplify a process by checking a focus through an exposure process. CONSTITUTION: A mask(31) including a Fresnell pattern(32) selectively transmits the light radiated from a light source. A projection lens(33) reduces the light transmitting the mask including the Fresnell pattern in a predetermined ratio. A wafer(35) as a target layer is patterned by the light transmitting the projection lens. The Fresnell pattern is a structure in which concentric circles in a light transmission region defined by a mask layer formed of chrome are disposed at regular intervals.
Patent KR-20030002757-A (KR)
Title: Method of forming a cobalt silicide epitaxy layer
Inventor: KIM DONG JUN
IPC: H01L21/20
Filed: 2001-06-29
Abstract: PURPOSE: A method for forming a cobalt silicide(CoSi2) epitaxy layer is provided to improve thermal stability and resistance by forming a SiO2 layer and a titanium film between a silicon substrate and a cobalt film. CONSTITUTION: A SiO2 layer is formed on a silicon substrate(11). A titanium film is formed on the SiO2 layer. A cobalt film is formed on the titanium film. A titanium nitride layer is formed on the cobalt film. By annealing the resultant structure using RTP(Rapid Thermal Processing), a CoSi2 layer(114) of epitaxy structure and a membrane layer(234) composed of Co-Ti-O-(Si) are sequentially formed on the silicon substrate(11). The membrane layer(234) is used as a diffusion barrier layer of Co atoms. Then, the titanium nitride layer and the membrane layer(234) are removed by cleaning.
Patent KR-20030009848-A (KR)
Title: device for sensing water level in washing machine
Inventor: CHO GI CHEOL
IPC: D06F33/02
Filed: 2001-07-24
Abstract: PURPOSE: A water level sensor for a washing machine is provided to stabilize the inductance value of a bobbin coil, which determines the output frequency characteristics, to obtain desired frequency characteristics by capacitors of uniform capacity. CONSTITUTION: A water level sensor for a washing machine includes an air chamber to introduce or discharge fluid such as water or air according to the rise or drop in the fluid level, a hose for transmitting the fluid to the air chamber, a lower case(1) having a fluid inlet for transmitting a pressure caused by the fluid transmitted via the hose and an upper case(100) detachably coupled with an upper part of the lower case and having a hollow and circular bobbin(150) part in the center, a diaphragm(20) mounted on the lower case to be lifted by the rise or drop in the fluid pressure, a core(40) moving vertically in the bobbin of the upper case according to the lifting of the diaphragm, and a coil(160) wound on the outer peripheral surface of the bobbin.
Patent KR-20010102864-A (KR)
Title: 매매조건의 재조정이 가능한 맞춤형 전자상거래 방법
Inventor: HAN JOON HO
Filed: 2001-07-25
Abstract: 본 발명은 다수의 판매자가 구매자에게 맞는 제품, 서비스, 가격 등의 다양한 판매조건을 제시하면 상기 제시된 판매조건에 대한 공개비교를 통하여 매매조건의 재조정이 가능한 맞춤형 전자상거래 방법에 관한 것이다. 
     본 발명은 구매자가 구매조건을 입력하고 판매자 DB를 열람하여 거래하고자 하는 하나 이상의 판매자를 선택하는 단계, 판매자가 참여판매자로 선택된 사실을 확인하고 거래참여를 신청하는 단계, 참여판매자가 구매조건에 맞는 다양한 판매조건을 입력하는 단계, 구매자가 상기 판매조건 DB를 열람하고 참여판매자들이 서로의 판매조건을 공개 비교하는 단계,  구매자가 상기 참여판매자 중 거래하고자 하는 실질판매자를 선택하거나 구매를 거부하는 단계, 참여판매자는 상기 실질판매자 선택 또는 구매거부 사실을 확인하는 단계, 참여판매자로부터 거래조건에 대한 조정 요청이 없을 경우 실질판매자와 거래가 성사되거나 구매가 거부되는 단계, 신뢰도 평가부가 미리 정의된 평가항목에 따라 구매자와 판매자의 신뢰도를 산출하는 단계, 상기 서버가 상기 신뢰도 산출 정보를 구매자 DB와 판매자 DB에 저장하는 단계를 포함한다.
Patent KR-20030010414-A (KR)
Title: Method for mobile phone positioning using forward link pilot channel in the cdma system
Inventor: KONG SEUNG HYEON
IPC: H04B7/26
Filed: 2001-07-27
Abstract: PURPOSE: A system for measuring terminal location using forward pilot channels of a code division multiple access mobile communication system and a method for tracking location are provided to obtain different wireless channel environments in the plurality of forward pilot channels to improve positioning. CONSTITUTION: A base station sends a CFSR(Candidate Frequency Search Request) to a terminal to measure a pilot channel received in a frequency channel and report to the base station(911). The terminal shifts frequency to a candidate frequency channel designated by the base station to search for the pilot channel, and transmits a CFSRM(Candidate Frequency Search Response Message) to the base station after returning to the frequency channel(912).
Patent KR-20030012342-A (KR)
Title: A caster assembly for chair
Inventor: HWANG JOO HWAN
IPC: B60B33/00
Filed: 2001-07-31
Abstract: PURPOSE: A caster device is provided to improve the using convenience of a folded chair by selectively installing a caster. CONSTITUTION: A housing body(10) contains guide holes(10a) in both ends. The guide holes are formed a "V" shape in different heights of the housing body. An elastic spring(13) supports rotating shafts(12) of roller wheels(11) elastically by connecting the one end of the elastic spring with the rotating shafts. The other end of the elastic spring is fixed on the housing body. The position of a seat with the caster is freely moved by the caster while a passenger seats. The moving function of the seat is limited in an uneven road by locating the roller wheels inside the housing body. The damage of the caster by shock is prevented by dismantling the caster from the seat.
Patent KR-20030014000-A (KR)
Title: Establishing structure of PCB
Inventor: CHOI YONG HAN
IPC: H05K7/14
Filed: 2001-08-10
Abstract: PURPOSE: An installation structure of a printed circuit board is provided to combine firmly and easily the printed circuit board with a cabinet by combining a combination hook with a guide rail and a fixing slot of the printed circuit board. CONSTITUTION: A guide rail(10) is formed on an inner wall of a cabinet(1). A plurality of fixing slots(21) are formed at one side of a printed circuit board(20). The printed circuit board(20) is combined with the guide rail(10) by using a plurality of combination hooks(30). The combination hook(30) has a hook body(31). A moving section(32) is formed at both sides of a lower end portion of the hook body(31). A couple of insertion sections is inserted into a fixing slot(21) of the printed circuit board(20). A fixing projection(35) is formed at an end portion of the insertion section.
Patent KR-20020020197-A (KR)
Title: Power generating display device
Inventor: BURTIS JOHN
IPC: H01L27/30
Filed: 2001-09-05
Abstract: PURPOSE: A portable display system is provided to improve usable power energy without reducing a usable surface space when being incorporated into a device. CONSTITUTION: The electric power generating display device(10) comprises a photoelectric cell(14) for generating electric energy and an OLED(Organic Light Emitting Diode) display panel(12). The OLED display panel(12) further includes a light transmissive and light emitting OLED display element which propagates light and, at the same time, radiates the light and a transparent substrate which is disposed on the photoelectric cell(14) and propagates the light. The electric power generating display(10), for example, is applied for portable telephone, etc.
Patent KR-20020024530-A (KR)
Inventor: KAMEYAMA SHIGEKI
IPC: G09G3/28
Filed: 2001-09-12
Abstract: PURPOSE: Plasma Panel Display apparatus are provided, which is related to a display apparatus in which the display brightness is determined by the number of times light is emitted and in which the number of times each cell of the display frame of a display emits light is changed. CONSTITUTION: As shown in FIG.7, the power control part(20) comprises the frame length operation part(21), the load rate operation part(22), and the sustain frequency operation part(23), and moreover, a sustain frequency judgment part(24), a time judgment part(25), and a sustain frequency control part(26). The sustain frequency judgment part(24), the time judgment part(25), and the sustain frequency control part(26) are realized by a CPU.
Patent KR-20030023910-A (KR)
Title: System for managing and supplying information of oil supply facility
Inventor: SON MUN SEON
IPC: G06F17/00
Filed: 2001-09-14
Abstract: PURPOSE: A system for managing an oil station and supplying information is provided to receive management data including an oil price from oil stations of the whole country in real time and to supply event information including positions of the oil stations and oil price information for users at each local area. CONSTITUTION: The first server(10) receives and manages an oil price, event information, a client inquiry, and an advertisement request from a plurality of oil station terminals. A DB server(20) stores various data being inputted from the first server(10) and a second server(30) as a field form, extracts the data as a necessary form, and includes a plurality of storage DBs. The second server(30) receives oil station information, oil price information, and oil station advertisement information from the DB server(20) and outputs information being requested through a user terminal. The second server(30) stores the oil price information of the oil stations being inputted from monitoring staffs.
Patent KR-20030026043-A (KR)
Title: Automobile Door Checker Apparatus
Inventor: CHA JIN SU
IPC: B60J5/04
Filed: 2001-09-24
Abstract: PURPOSE: A door checking apparatus for a vehicle is provided to install the door checker conveniently, and to lengthen the life span of the door checker by reducing parts of the door checker with modifying the structure. CONSTITUTION: A door checker of a vehicle is composed of a body bracket(30) installed at a side of a vehicle body with an arc guide hole(31); a door bracket(40) installed in the body bracket, and turned around a hinge pin(43); and a fitting member(50) integrally fixed in the body bracket. A protrusion(41) of the door bracket is placed in the guide hole, and an end(42) of the door bracket is installed in a door of the vehicle. A checker part(51) is elastically contacted to the protrusion of the door bracket, and is formed in the fitting member. The door checker is installed easily, and wrong operation is prevented with reducing parts with simple structure.
Patent KR-20030027599-A (KR)
Title: The road structure that has a sound effect
Inventor: HWANG JUNG HYUN
IPC: E01F9/529
Filed: 2001-09-29
Abstract: PURPOSE: A road structure having sound effect is provided to prevent over-speed and to give pleasure to a driver and passengers. CONSTITUTION: The road structure emitting sounds is formed by installing grooves or projections on the appointed section of a road to produce oscillation frequencies corresponding to the frequency of each scale for emitting sounds when vehicles pass through.
Patent KR-20030029199-A (KR)
Title: Apparatus and method for time domain echo canceller of DMT
Inventor: SONG IN CHEOL
IPC: H04L27/00
Filed: 2001-10-05
Abstract: PURPOSE: A time domain echo canceller device of a DMT(Discrete Multitone Modulation) and a control method thereof are provided, which improve performance of an echo canceller by obtaining an echo impulse response of time domain in a CO(Central Office). CONSTITUTION: According to the DMT echo canceller comprising an encoder(11), the first IFFT(Inverse Fast Fourier Transform)(12), a P/S(Parallel to Serial) conversion part(13), a transceiver hybrid filter(14), the first delay part(22) and the third add part(23), the second delay part(31) delays a signal of the transceiver hybrid filter. The first add part(15) adds an output of the second delay part and an output of the fourth add part. The third delay part(32) delays an output of the first add part. A S/P conversion part(16) converts serial data of the third delay part into parallel data. A FFT(Fast Fourier Transform)(17) performs FFT of an output of the S/P conversion part. The second add part subtracts an output of an echo canceller(20) from an output of the FFT. The echo canceller receives an output of the second add part and an output of the encoder and then performs echo cancelling. The second and the third IFFT(33,34) perform IFFT as to the output of the echo canceller respectively. A signal compensation part(35) performs signal compensation by receiving outputs of the third add part and the second IFFT. And the fourth add part(36) adds outputs of the signal compensation part and the third IFFT and then outputs it to the first add part.
Patent KR-20030030359-A (KR)
Title: After-pay traffic cash system with k-cash card and method thereof
Inventor: HA JIN SIK
IPC: G07B15/00
Filed: 2001-10-10
Abstract: PURPOSE: A fare post payment system is provided to enable persons having a bank account to use and a fare to be paid from own or other account. CONSTITUTION: A user(300) uses a traffic means(330) using an issued K-cash card. A card issuing company(310) supplies the K-cash card to a bank(320) and settles a post payment according to settlement request from a bus association(350). The bank(320) issues a card to the user(300) and transfers an account to the bus association(340) according to transfer request of the card issuing company. The traffic means(330) refers and approves B/L of the user, transfers transit information to a traffic management organ(340), and updates the B/L according to a result transferred from the organ. The traffic management organ(340) requests the settlement to the bus association according to the transferred transit information and updates the B/L according to a result transferred from the traffic means. A bus/subway association(350) resets the settlement to the card issuing company according to settlement request of the traffic management organ and updates the B/L according to a result transferred from the traffic management organ.
Patent KR-20030030522-A (KR)
Title: Bypass device for scroll compressor
Inventor: JUNG JONG HUN
IPC: F04C18/02
Filed: 2001-10-11
Abstract: PURPOSE: An apparatus for bypass of a scroll compressor is provided to accurately open and close a bypass hole. CONSTITUTION: An apparatus includes a bypass hole(20) formed on a fixed scroll(3) for refrigerant compressed in a compression chamber to be discharged; an expanding hole(30) formed on an upper end of the fixed scroll concentrically with the bypass hole; and an opening and closing device placed on the expanding hole and comprising a bypass valve(40) placed in the expanding hole to move up and down and having a refrigerant penetrating hole(41) not to face the bypass hole, and a fixing jig(50) placed on the expanding hole to restrict distance of vertical movement of the bypass valve so as to open and close the bypass hole.
Patent KR-20030031690-A (KR)
Title: Electricity-Air Converter
Inventor: YAHAGI MASAAKI
IPC: F15B5/00
Filed: 2001-10-15
Abstract: PURPOSE: An electric/pneumatic converter is provided to reduce the height of a body of the converter and to decrease the size and the weight of the entire system by forming the round assembling opening part. CONSTITUTION: An electric/pneumatic converter converts an electric signal into a pneumatic signal, and comprises an electric/pneumatic converter body(52) mounting a terminal die(64), and a joint member(58) connecting lead wires(86a,86b) of a cable(56) to the terminal die by forming a round assembling opening part(60) at the side of the body. A guide part(78) is installed in the joint member, and composed of an inclined surface(80) to guide the cable to the terminal die arranged over the assembling opening part.
Patent KR-20030033779-A (KR)
Title: Apparatus for controlling microwave oven using mouse
Inventor: NAM WON GI
IPC: G06F3/0354
Filed: 2001-10-25
Abstract: PURPOSE: A device for controlling an electronic range using a mouse is provided to improve reliability and a convenience for operating a device by adding a control selection device of a mouse shape to the device. CONSTITUTION: A display unit(110) displays a menu screen of an electronic range. A control panel(120) inputs a control selection signal for operating the electronic range through a menu screen. A micro computer operates the electronic range in accordance with the control selection signal. A hinge and hinge shaft(121) is mounted at a predetermined angle at the lower surface of the control panel(120). A cover(123) is mounted at the lower surface of the control panel(120) for being rotated by the hinge and hinge shaft(121). A cover locking unit(125) is mounted at a side of the upper surface of the cover(123) and the opposite surface of the upper panel for fixing the cover(123) and the control panel(120) when the cover(123) is shut. A cover locking sensing unit senses a locking of the cover locking unit(125), transmits a sensing signal to the micro computer, and controls a power of the display unit(110). A mouse(129) is mounted at the upper surface of the cover(123) and inputs a control selection signal for operating the electronic range through a menu screen displayed on a screen. A mouse groove(131) is formed at a portion located in the mouse(129) and the opposite surface of the control panel(120). When the cover(123) is locked, the mouse(129) is inserted into the mouse groove(131).
Patent KR-20030035538-A (KR)
Title: Tourmaline gushing liguid to add the bathing water
Inventor: CHAE JEOM SIK
IPC: C11D9/04
Filed: 2001-10-31
Abstract: PURPOSE: A tourmaline effluent and its preparation method are provided, wherein tourmaline effluent generates anions and weak current useful to the human body and is added to the bath water. CONSTITUTION: The tourmaline effluent is prepared by pulverizing tourmaline raw ore into the size of 3 micrometer or less, and removing the impurities comprising lead by centrifugation; inserting it into a melting furnace and heating it at a temperature of 1,200-1,250 deg.C; and spraying distilled water to the heated one, collecting the generated steam, extracting the collected one, cooling the extracted one rapidly, filtering the cooled one to remove the dust, heating the obtained one at a temperature of 400 deg.C to remove the viscous materials and the impurities, collecting the vaporized one, and condensing the collected one into the liquid phase. Preferably the tourmaline effluent comprises further 0.1-10 vol% of the extract of green tea.
Patent KR-20030035716-A (KR)
Title: Method for automatic detection of scene changes in video and apparatus thereof
Inventor: HUH YEONG SIK
IPC: G06T7/00
Filed: 2001-11-02
Abstract: PURPOSE: A method and an apparatus for automatically detecting scene change in motion picture data are provided to prevent erroneous detection of scene change according to automatic binarization based on a local statistical value of video feature. CONSTITUTION: A predetermined distribution function that indicates brightness distribution of pixels for each frame in video data is obtained. A histogram distance between neighboring frames is calculated on the basis of the distribution function. A threshold for each frame is obtained base on the histogram distance(103). The histogram distance is compared with the threshold and a predetermined minimum histogram distance and, when the histogram distance is larger than the threshold and the minimum histogram distance, the video data is selected as cut(105).
Patent KR-20030041271-A (KR)
Title: Ventilation apparatus of cooktop portion for gas oven range
Inventor: HWANG YUN SEOK
IPC: F24C15/20
Filed: 2001-11-19
Abstract: PURPOSE: A ventilation apparatus of a cooktop part of a gas oven range is provided to prevent damage of components installed in the cooktop part due to heat. CONSTITUTION: A ventilation apparatus includes a ventilation channel body(36) installed to have an upper side attached on a lower side of a glass(31) covering upper parts of a first front end burner(32), a second front end burner(33), a first rear end burner(34) and a second rear end burner(35) placed on a cooktop part(30) to form a central vent part(37), a first rear end vent part(38) and a second rear end vent part(39) discharging combustion gas generated by the burners; and a main vent part(40) connected with the vent parts formed on the ventilation channel body, respectively, to discharge received combustion gas to the outside. The central vent part is extended to a rear end of the cooktop part through a gap between the first front end burner and the second front end burner to discharge combustion gas generated by the first front end burner and the second front end burner. The first rear end vent part and the second rear end vent part are extended from the first rear end burner and the second rear end burner to the rear end of the cooktop part to discharge combustion gas generated by the first rear end burner and the second rear end burner separately from the central vent part.
Patent KR-20030042141-A (KR)
Inventor: HA CHANG SU
IPC: C21C5/46
Filed: 2001-11-21
Abstract: PURPOSE: Improvements in molten metal exit of convertor for decreasing whirl stream of molten metal flowing out of the exit is provided to improve molten steel clarity and entrapment of slag into the molten steel during tapping process. CONSTITUTION: The improved the molten metal exit of a convertor that decreases whirl stream of molten steel is characterized in that replaceable refractory brick(1) for the molten steel exit of a convertor is protruded inward the inner circumferential surface of a blast furnace; and a hole(5) is formed on one side wall of protrusion part of the replaceable refractory brick, wherein total cross sectional area of the hole(5) occupies 10 to 80 % of cross sectional area of tap hole.
Patent KR-20030042196-A (KR)
Inventor: LEE BYEONG JUN
IPC: B65G21/20
Filed: 2001-11-22
Abstract: PURPOSE: An apparatus for transferring a printed circuit board(PCB) is provided to reduce the cost for purchasing and maintaining equipment by using one transferring apparatus to transfer the PCB having various width size. CONSTITUTION: LM(Linear Motion) guides(50,51) are installed on both sides of a base plate(10) at a predetermined distance in a vertical direction. First and second LM blocks(52,53) are installed on the respective LM guides(50,51) so as to slide. A conveyer is comprised of a pair of first and second conveyers(40) provided on the first and second LM blocks(52,53) through each frame(31,41). The conveyer moves and supports a printed circuit board(PCB). A transferring unit moves the conveyer to a convergence direction or a divergence direction.
Patent KR-20030047106-A (KR)
Title: Fabrication method using centrifugal casting for silica glass
Inventor: BAEK YEONG MIN
IPC: G02B6/00
Filed: 2001-12-07
Abstract: PURPOSE: A method for preparing silica glass using centrifugation molding method is provided, which is useful to prepare a multiple mode optical fiber and is improved in the reproducibility of thickness of a molded layer owing to the centrifugal force. CONSTITUTION: The method comprises the steps of (23) mixing a starting material with deionized water, and adding a dispersant to the mixture to prepare sol; (31) injecting the sol into a cylindrical mold, and (33) gelling the sol into a certain thickness along the circumference of the mold with rotating the mold; and repeating the centrifugation molding process at least two times with changing the content of dopant of the sol added to the mold step by step according to the distribution of refractive index of the molded silica glass. The closer the centrifugation molding layer to the center of the mold, the greater the addition amount of the dopant.
Patent KR-20030052328-A (KR)
Inventor: JUN JAE HO
IPC: C23C2/02
Filed: 2001-12-21
Abstract: PURPOSE: A pre-plating process for aluminized stainless steel sheets suitable for use in exhaust manifold of automobiles or suitable for use under corrosive atmosphere is provided, which is characterized in that Fe-C layer is formed on stainless steel sheet to improve wettability before aluminum melt is applied. CONSTITUTION: The method includes the steps of forming a plated layer consisting of C 0.0005 to 0.3 wt.% and a balance of Fe in the thickness of 0.1 to 2 g/m¬2 on a steel sheet containing at least one element selected from Cr less than 30 wt.% and Si 0.3 to 5.0 wt.%; applying aluminum melt on the Fe-C plated layer, wherein the thickness of the plated layer satisfies below inequality: t>=0.07Cr(wt.%)-0.07.