baber/WOPTO huggingface dataset:
Patent KR-20020061463-A (KR)
Inventor: JUNG MIN SEON
IPC: C02F1/42
Filed: 2001-06-26
Abstract: PURPOSE: A water softener is provided, which can use ion exchange resin homogeneously through the whole housing without any wasting by random mixing of the resin during start up and shut down. By increasing flow rate through a second water inlet, water pass only the resin set above the second water inlet thus enabling water to pass the softener rapidly. The water softener can soften hard water of 100 ppm at a rate of 1.2 metric ton per 1 liter of ion exchange resin. CONSTITUTION: The system comprises a housing(110), a pair of mesh nets(118a,118b), a first water inlet(112) and a second water inlet(114). In the housing(110) having a first water inlet(112) at the bottom, a second water inlet(114) at the side top and a water outlet(116) at the top, ion exchange resin(130), protected by mesh nets(118a,118b) at the top and bottom respectively, is filled. The flow rate at the first and second water inlet controlled by a flow control valve(120) is 5:5 to 2:8.
Patent KR-20030000962-A (KR)
Inventor: CHO NAM HONG
IPC: H01L21/28
Filed: 2001-06-27
Abstract: PURPOSE: A fabrication method of a semiconductor device is provided to easily control the line-width of a gate electrode by simultaneously forming a first transistor having a vertical double gate and a second transistor having a horizontal gate. CONSTITUTION: A first conductive layer(12) and an impurity region(14) are formed a first transistor region(A) and a second transistor region(B), respectively. A contact hole is formed in the first transistor region(A), and a channel(24') is formed by filling a conductive layer into the contact hole. A second conductive layer(26) is formed to connect with the first conductive layer(12) via the channel(24'). A vertical double gate electrode(32a) and a first gate insulating layer(30a) are sequentially formed on the first transistor region(A), and a horizontal gate electrode(32b) and a second gate insulating layer(30b) are sequentially formed on the second transistor region(B).
Patent KR-20030002127-A (KR)
Title: Unit pixel in image sensor for improving sensitivity
Inventor: KIM CHAE SEONG
IPC: H04N5/3745
Filed: 2001-06-30
Abstract: PURPOSE: A unit pixel of an image sensor to improve the sensitivity is provided to improve the sensitivity of the sensor by using both hole current and electronic current generated in a depletion region of a photo diode. CONSTITUTION: A unit pixel(200) of an image sensor to improve the sensitivity includes a photo diode absorbing a light capturing an image of an outer subject for generating and accumulating electric charges; a first sensing node(B) receiving electronic current from the photo diode; a second sensing node(C) receiving hole current from the photo diode; a first transfer transistor(M12) connected to the N type of the photo diode and transferring the electronic current to the first sensing node; a first drive transistor(M9) executing a role of a source follower by the level of the first sensing node, and a first select transistor(M10) executing addressing with switching by receiving a first control signal; a second transfer transistor(M5) connected to a P type of the photo diode and transferring the hole current to the second sensing node; and a second drive transistor(M6) executing a role of the source follower by the level of the second sensing node, and a second select transistor(M7) executing addressing with switching by receiving a second control signal.
Patent KR-20030003784-A (KR)
Title: A Chip Antenna
Inventor: PARK HEUNG SU
IPC: H01Q1/36
Filed: 2001-07-02
Abstract: PURPOSE: A chip antenna is provided to mount easily a main body of the chip antenna on a conductive line and reduce thickness of the chip antenna by forming partially a conductive line of the chip antenna on a surface or an inside of a PCB(Printed Circuit Board). CONSTITUTION: A conductive line(120) is formed in the inside of a rectangular antenna body portion(110). A feeder terminal(130) is formed at one side of the rectangular antenna body portion(110). A conductive pattern(140) is formed on an upper portion of a PCB(150). A feeder line(160) is formed at one side of the conductive pattern(140). The feeder line(160) is connected to the feeder terminal(130) of the rectangular antenna body portion(110). A fixing terminal(170) is formed at the other side of the conductive pattern(140). The fixing terminal(170) is connected to the conductive pattern(140) of the rectangular antenna body portion(110).
Patent KR-20020005467-A (KR)
Title: System and method for detecting electrode-tissue contact
Inventor: GOLDIN ALEXANDER
IPC: A61B5/296
Filed: 2001-07-06
Abstract: PURPOSE: A system and a method for detecting contact between an electrode and tissue is provided to detect an electrode-tissue contact by comparing electrode-tissue contact using a contact electrode to a reference electrode having no contact with tissue. CONSTITUTION: A system for detecting contact of an electrode with tissue comprises a catheter(20), a reference electrode(25), and a contact detection circuit(25). The catheter(20) includes a signal generator(28) for sending test signals to the contact electrode and to the reference electrode, and a circuit to measure a differential electrical response to the test signals. The differential electrical response indicates the contact of the contact electrode with tissue. The contact electrode is positioned at the catheter distal tip. The reference electrode is positioned on the catheter. The reference electrode is protected from making contact with tissue.
Patent KR-20030006823-A (KR)
Title: Semiconductor memory device capable of reducing power consumed by sense amplifier circuit
Inventor: KANG SANG CHEOL
IPC: G11C7/06
Filed: 2001-07-16
Abstract: PURPOSE: A semiconductor memory device capable of reducing power consumption of sense amplifier circuit is provided, which is capable of reducing current unnecessarily consumed by a sense amplifier circuit. CONSTITUTION: A sense amplifier circuit(120) senses and amplifies a voltage difference between bit lines(BL,BLB) in response to a signal(PSEN). A precharge and equalization circuit(130) precharges and equalizes output terminals(SAS,SASB) with a power supply voltage in response to the signal(PSEN). A control circuit(140) generates a sense amp enable signal(PSA) and a data output enable signal(PMX) in response to an address transition sense signal(ATD). A detection circuit(150) generates a sense period signal(PSEN) in response to the signals(PSA,PMX). The sense period signal(PSEN) is activated when the enable signal(PMX) is activated, so that a sense operation of the circuit(120) is stopped. The sense period signal(PSEN) is activated when the signals(PSA,PMX) are maintained at different states. A data latch circuit(160) latches an output signal(SASB) of the circuit(120) during a high level of the output signal(PSEN). A data output circuit(170) latches output data of the data latch circuit(160) in response to the data output enable signal(PMX).
Patent KR-20030009645-A (KR)
Title: Circuit for voltage vontrolled oscillator in cable television
Inventor: YOON JONG NAM
IPC: H04N7/10
Filed: 2001-07-23
Abstract: PURPOSE: A voltage controlled oscillating circuit used for a cable television tuner is provided to offer a stabilized oscillation frequency by constructing a voltage oscillating circuit using a low-current cascode amplifier. CONSTITUTION: A voltage controlled oscillating circuit used for a cable television tuner includes an oscillating circuit(100) and a low-current cascode amplifier(200). The oscillating circuit has a varactor diode(D11) whose capacitance varies with input voltage, the first capacitor(Cx) connected to the varactor diode, a strip line(L11) connected to the first capacitor, a switching transistor(Q11), the second, third and fourth capacitors(C11,C12,C13) for charging/discharging, connected to the strip line in parallel. The low-current cascode amplifier includes a transistor(Q12) for amplification that shares bias current with the transistor.
Patent KR-20020012136-A (KR)
Inventor: HIRABAYASHI SHIGEFUMI
IPC: H04W4/06
Filed: 2001-08-02
Abstract: PURPOSE: To provide a distribution system for map information or the like for suppressing the processability of an information center and the cost of a mobile navigation device to some degree by entering a pay navigation contract. CONSTITUTION: The information center 2 of this distribution system for map information or the like 1 comprises a database 8 for storing map information and various pieces of information other than the map information, and a transmitting means for transmitting at least the map information to the mobile navigation device with the pay navigation contract as a precondition. A mobile navigation device 4 comprises position detecting means 30, 32 and 34 for detecting the present position of a mobile, a CPU 16 for displaying the map information for the periphery of the present position of the mobile, and a receiving device 18 for receiving at least the map information from the information center provided out of the mobile with the pay navigation contract as the precondition, and a control means displays the received map information on a display.
Patent KR-20020013769-A (KR)
Title: Optical recording medium and porphycene compound
Inventor: INOUE SHINOBU
IPC: G11B7/247
Filed: 2001-08-10
Abstract: PURPOSE: A light recording medium and porphycene compounds are provided to record and regenerate information efficiently by using a laser having wavelength of 300-500 nm as high-density light recording medium, and by using a laser having wavelength of 500-700 nm as CD-Recordable. CONSTITUTION: A light recording medium is composed of a substrate(1), a recoding layer(2), a reflective layer(3) and a protective layer(4). The recording layer is laminated on the substrate, and the reflective layer is formed on the recording layer. The protective layer is bonded by inserting an adhesive layer. The write-once type light recording medium performs good recording and regeneration by using a laser having wavelength of 300-500 nm and/or 500-700 nm. At least one kind or more of compounds are selected from porphycene compounds, and formed into a metal complex to incorporate into the recording layer. Information is recorded and regenerated, and the quality is improved with manufacturing the optimal color medium by using the laser.
Patent KR-20030013932-A (KR)
Title: Optical illumination system of projector using optical device with function of homogenizing and polarizing optical beam
Inventor: PARK TAE SU
IPC: G02B5/02
Filed: 2001-08-10
Abstract: PURPOSE: A lighting optical system of a projector using an optical element equalizing quantity of light and polarization is provided to reduce the volume of the optical system while improving equalization of light distribution and light efficiency, thereby reducing the size and weight of the projector. CONSTITUTION: A lighting optical system of a projector includes a light source(30) generating light to be focused; an optical element(32) for equalizing light distribution and polarization formed in a rod type, equalizing light distribution and converting incident light having non-polarization components into incident light having polarization components by repeatedly total reflecting incident light at an inner border surface; and a space multiplexing optical element(38) overlapping lights emitted through different emitting surfaces of the optical element for equalizing light distribution and polarization.
Patent KR-20030013968-A (KR)
Inventor: LEE CHEOL SANG
IPC: C12N15/85
Filed: 2001-08-10
Abstract: PURPOSE: Provided is a recombination plasmid pGHOPG(KCTC 1019BP) to mass-produce human osteoprotegerin(hOPG) having biological activity in a mammary gland. CONSTITUTION: The recombination plasmid pGHOPG(KCTC 1019BP) contains 5.5kb of beta-casein gene promotor derived from a black goat, the exon1, exon 2, and intron 1 of human growth hormone, a transcription terminator and cDNA of human OPG. It stably produces human osteoprotegerin(hOPG) by the steps of: injecting the plasmid pGHOPG(KCTC 1019BP) into a fertilized egg of the mammal(excepting a human) to transform it; and separating hOPG from a mammal gland thereof.
Patent KR-20030016588-A (KR)
Title: Driving Carrier of Welding Robot for Vertical Steel Beam
Inventor: HWANG SEONG HO
IPC: B25J5/02
Filed: 2001-08-21
Abstract: PURPOSE: A traveling carrier of a vertical steel frame welding robot is provided to make a welding robot able to weld even during a travel along a guide rail and able to travel on a curved portion. CONSTITUTION: A traveling carrier of a vertical steel frame welding robot comprises a guide rail(3) installed corresponding to the size and sort of a vertical steel frame, a drive unit installed on the guide rail and driving a traveling carrier, a guide unit installed spacing apart from the drive unit and preventing the generation of a rotational moment, and a robot mount installed on the upper end of the drive unit and the guide unit, connecting the drive unit with the guide unit, and loading the welding robot.
Patent KR-20030023021-A (KR)
Title: Method For Controlling Of Battery Charge In Electric Vehicle
Inventor: PARK SEON SUN
IPC: H02J7/04
Filed: 2001-09-11
Abstract: PURPOSE: A method for controlling a battery charging operation of an electric vehicle is provided to prevent damage of battery and improve reliability, while enhancing durability of the battery. CONSTITUTION: A method comprises a first step(S101,S102) of detecting voltages of each battery module, and detecting an average voltage level of battery packs based on the detected voltages of each battery module; a second step(S103,S104) of comparing the average voltage level and voltages of each battery module, and counting the battery modules having voltages higher or lower than the average voltage level; a third step(S105) of judging whether the number of battery modules having voltages level higher than the average voltage level is larger than a preset number; a fourth step(S106) of reducing the charging current being supplied to each battery module, if it is judged in the third step that the number of battery modules is larger than the preset number; and a fifth step(S108,S109) of ending the battery charging mode upon detection of full charging of battery packs.
Patent KR-20030026158-A (KR)
Title: Supplier Relationship Management System and Method by using Digital Credit Certificate
Inventor: AHN JOONG WOOK
Filed: 2001-09-25
Abstract: PURPOSE: An electronic credit certificate based company management system and its method are provided to issue an electronic certificate to a company, and to manage changes of the issued electronic certificate. CONSTITUTION: A company drives a target company management module, generates a screen of an electronic credit certificate issue application, inputs basic data on the screen, and requests a server system to issue an electronic credit certificate(S60). The request data is transmitted to an electronic credit certificate generation module and an electronic certificate generation/check module via a reference management module. And the request data is stored at a company management database(S61). The electronic certificate generation/check module generates an electronic certificate, and offers the electronic certificate to the electronic credit certificate generation module(S62). The electronic credit certificate generation module converts company information and a credit level, offered by a credit assessment organization or stored at a database, into an XML type document(S63), and generates an electronic credit certificate by combining the XML type credit relevant document with the electronic certificate(S64). The generated electronic credit certificate is transmitted to the target company management module over the internet(S65).
Patent KR-20030026501-A (KR)
Title: Voice analog signal/digital data signal transmission system using LAN cable
Inventor: HONG EUN YOUNG
IPC: H04L12/66
Filed: 2001-09-26
Abstract: PURPOSE: A system of transmitting voice analog signal/digital data signal using an LAN cable is provided to simultaneously transmit voice analog signals transmitted to an MFC phone terminal with digital data signals transmitted to an LAN card of a PC by using one LAN cable, thereby applying a VoIP technology without another telephone line. CONSTITUTION: A general hub, a PBX, and many splitters(344) are used in 'B'. The PBX separates analog voice signals coming through a telephone line from a PSTN(310) by ports of each destination telephone, and transmits the analog voice signals to front slitters of the destination telephones among the splitters(344). The general hub separates data signals coming through an LAN line from an Internet network(302) by ports of each destination PCs, and transmits the data signals to front splitters of the destination PCs among the splitters(344). The splitters(344) unite the signals together coming from the telephone line and the LAN line, and transmit the signals to a user splitter through one LAN line. The user splitter separates the signals coming through the one LAN line, and transmits the signals to each destination telephone line and the LAN line.
Patent KR-20030029710-A (KR)
Title: Synchronizing of manual transmission
Inventor: JUN JONG AN
IPC: F16H3/00
Filed: 2001-10-08
Abstract: PURPOSE: A synchronizer of a manual transmission is provided to prevent a jump out of a gear lever by an axial directional run-out of a speed gear caused by an endplay of a gear in rotations of the speed gear. CONSTITUTION: A synchronizer of a manual transmission is composed of a synchronizer hub(4) splined to an input axis of the transmission, a sleeve(6) engaged to move toward an axial direction on a peripheral gear unit of the synchronizer hub, a speed gear(8) installed on both sides of the synchronizer hub, a clutch gear(10) rotated with the speed gear in one body, a synchronizer ring(12) performing a frictional effect with the clutch gear, and a holder gear(20) preventing run-out in the axial direction caused by a gear end play when the speed gear rotates.
Patent KR-20020035433-A (KR)
Inventor: IBARAKI NOBUHIKO
IPC: C22C38/58
Filed: 2001-10-11
Abstract: PURPOSE: To provide a wire rod for wire drawing having excellent twisting properties as well as wire drawability and to provide a useful method for producing the same wire rod. CONSTITUTION: This wire rod is composed of eutectoid steel or hyper-eutectoid steel respectively containing 0.1 to 2% Si and 0.2 to 2% Mn. The wire rod further has a microstructure in which the ratio of a pearlitic structure is >=80%, and also, the maximum length of ferrite to form a second phase is < =10 μm. The wire rod for wire drawing is obtained by subjecting a wire rod to wire drawing at a true strain of >=1.5, heating the same to a temperature T (°C) prescribed by a prescribed relational formula and performing patenting treatment.
Patent KR-20030034638-A (KR)
Title: Power amplitude module
Inventor: NAM HYEONG GI
IPC: H03F3/00
Filed: 2001-10-26
Abstract: PURPOSE: A power-saving power amplifier module is provided, which is capable of increasing efficiency of the power amplifier module by reducing bias current consumption when amplifying a signal. CONSTITUTION: A basic amplification part(40) amplifies a power of an externally input signal. A low-power amplification part(50) amplifies a signal amplified by the basic amplification part. A high-power amplification part(60) consists of a plurality of transistors(Q16-Q18) and operates simultaneously with the low-power amplification part when an output signal of an output stage(64) is over an established value so as to amplify an amplified signal of the basic amplification part. A basic bias part(45) supplies bias current to the basic and low-power amplification parts. At least one extended bias part(61) supplied bias current to the transistors. An operation signal input stage(61a,61b) is configure to receive a signal for determining whether the bias parts operate.
Patent KR-20030037956-A (KR)
Title: timber furniture having natural beauty
Inventor: KIM SOON JA
IPC: A47B96/20
Filed: 2001-11-07
Abstract: PURPOSE: Furniture with natural beauty is provided to maximize an interior decoration effect and a user's feeling of satisfaction by transplanting the natural beauty of a material wood to furniture as it is using the material wood as it is. CONSTITUTION: A material wood of a natural state is fallen. The fallen material wood is dried. The dried material wood is cut into the shape of parts of a target furniture. The cut parts are combined so as to be a piece of furniture of a desired shape. The surfaces of the piece of furniture whose parts are combined are coated. The coated surfaces are dried.
Patent KR-20030039283-A (KR)
Inventor: CHO SUN HI
IPC: B22C1/02
Filed: 2001-11-12
Abstract: PURPOSE: Provided is a composition for investment casting wax with excellent productivity, dimension stability and low solidification shrinkage. CONSTITUTION: The composition for investment casting wax comprises 12 to 52 parts by weight of paraffin having at least one straight saturated hydrocarbon with carbon number of 20 to 36; 3 to 10 parts by weight of micro crystallizing wax; 5 to 15 parts by weight of carnauba wax; 11 to 20 parts by weight of aromatic hydrocarbon paraffin resin; 24 to 36 parts by weight of aliphatic hydrocarbon paraffin resin; 1 to 3 parts by weight of ethylene-vinyl acetate copolymer. The composition for investment casting wax further comprises 20 to 50 parts by weight of terephthalic acid and 0.001 to 0.015 parts by weight of colorant.
Patent KR-20010114192-A (KR)
Title: 단자 띠 권취 릴 구조
Inventor: SHIN CHUL SUNG
IPC: B65H75/02
Filed: 2001-11-16
Abstract: 본 발명은 띠형으로 제조되는 단자 띠를 차기 공정에 적용하기 위하여 릴 상태로 권취 시켜주는 데 이용되는 단자 띠 권취 릴의 구조에 관한 것으로 좀더 구체적으로는 상호 결합되어 권취 릴을 구성하는 한 쌍의 원판형의 릴 플랜지 연부에 등간격으로 다수의 결속공을 두고 이에 지지핀을 착탈 가능하게 결합시킴으로써 충격이나 외력의 발생 시 권취릴의 가장자리부위의 지지 강성을 보강시켜 형태의 변형을 억제시킬 수 있도록 하여 내부에 권취된 단자의 변형과 훼손을 방지토록 함과 아울러 일측의 릴플랜지로 돌출되는 지지핀의 단부가 끼워질 수 있도록 상기 타측 릴플랜지에 결속공의 사이마다 결속공과 동일한 등간격으로 삽지공을 두어 다수의 권취릴을 적층 상태로 보관 또는 운반하는 경우 적층되는 각 권취릴이 지지핀과 삽지공을 통해 상호 결속되도록 하여 유동이나 붕괴를 방지할 수 있도록 함으로써 적층상태의 안정성을 통해 단자의 보호와 적재량을 증가를 추구할 수 있도록 한 것이다.
Patent KR-20020044086-A (KR)
Title: Fuel injection valve
Inventor: MUNEZANE TSUYOSHI
IPC: F02M51/06
Filed: 2001-12-04
Abstract: PURPOSE: To provide a low-cost and productive fuel injection valve enhancing atomizing injected fuel and forming a large injection angle (e.g. 15° or larger) of the atomized uniform mist flow to facilitate processing a nozzle hole part of a plate. CONSTITUTION: Several nozzle holes formed on a plate member forming a fuel cavity between the plate member and a fuel passage are arranged only on a portion with a pitch diameter ΦP of a center shaft center of the fuel passage as the center. Where the nozzle hole diameter is Φd, the fuel passage diameter is ΦD1, and an axial depth of the fuel cavity is t; ΦD1+Φd< ΦP and t< Φd. Thereby atomizing the injected fuel is enhanced and the large injection angle (e.g. 15° or larger) of the atomized uniform mist flow can be formed. Since a processing angle of the plate is small, processing the nozzle hole part of the plate is facilitated and the low-cost and productive fuel injection valve can be provided.