baber/WOPTO huggingface dataset:
Patent KR-20040088872-A (KR)
Inventor: AHN HONG JU
IPC: C02F1/46
Filed: 2003-04-14
Abstract: PURPOSE: An apparatus and a method for purifying water through electrical adsorption-desorption cycle having high efficiency regenerative function are provided to increase inorganic ion removal rate and improve electrode regeneration efficiency by minimizing time required for adsorbing and desorbing ions from water containing high inorganic salts. CONSTITUTION: The apparatus comprises a DC power supply unit(18) for impressing negative voltage and positive voltage of 0.1 to 2.0 volts; purification reactors(10) comprising electric adsorption and desorption reactors(12) which are installed in the purification reactors and connected to the DC power supply unit, and one or more of which are connected to each other in a row to desorb and remove the adsorbed inorganic ions after adsorbing inorganic ions contained in water as cations and anions respectively, and water inflow pipe(14) and water outflow pipe(16) for supplying and discharging water, wherein one or more of the purification reactors are arranged in a series; and a regenerated water discharge pipe(24) for discharging regenerated water from the purification reactors, wherein the electric adsorption and desorption reactors are constructed as one or more of unit cells and consisted of spacers(34) through which water flows, anode and cathode current collectors formed of carbon foil connected to positive and negative voltage impressing wires(20,22) of the DC power supply unit, and activated carbon electrodes of anode and cathode for adsorbing and desorbing cations and anions by the positive voltage and the negative voltage.
Patent KR-20040088882-A (KR)
Inventor: CHOO WON SIK
IPC: B60C11/14
Filed: 2003-04-14
Abstract: PURPOSE: A snow tire with protrusions is provided to secure tractive force on a snowy road and to keep same performance as general tires on a paved road by mounting the protrusions with a new pattern on a tread of the tire. CONSTITUTION: In a snow tire(20) having a plurality of grooves on a tread, the groove is composed of main grooves(21) and at least one auxiliary groove formed at left and right sides of the main grooves. Plural protrusions(25,26) are formed in the main grooves and at the left and right sides of at least one auxiliary groove at a constant area. In addition, the groove has wave-shaped auxiliary grooves(23) about one(22a¯22h) of the auxiliary grooves and a plurality of protrusions arranged between one auxiliary groove and the wave-shaped auxiliary groove. The protrusion is a column shape with 2¯5mm diameter.
Patent KR-20040092208-A (KR)
Inventor: AHN SEUNG IK
Filed: 2003-04-25
Abstract: PURPOSE: A method and a system for exchanging cyber money to obtain items on an online MUG(Multi User Game) are provided to enable a gamer to obtain the items by exchanging the cyber money obtained from an avatar during a game to the cyber money obtained from another game. CONSTITUTION: A game server(17) comprises a card game server(17a), a board game server(17b), and an arcade game server(17c). A user database(13) stores member registration information of each user(50). A cyber money database(14) stores a status of the cyber money held by each user. A transaction database(15) stores transaction information if the exchange to a point used in item transaction servers(30,40) from the cyber money held by one user is successful. An item/item obtaining tool database(16) provides the users with a price list for each item/item obtaining tool of each transaction server. A serial number generator(12) generates a serial number for distributing each transaction information when a point exchange transaction is generated. An encryption tool(11) prevents hacking and cracking when the transaction information is transmitted to the item transaction servers.
Patent KR-20040092869-A (KR)
Inventor: HONG JUN BAE
IPC: C07D215/14
Filed: 2003-04-29
Abstract: PURPOSE: A method for preparing optically active 1,2,3,4-tetrahydroquinoline-2-carboxylic acid is provided, thereby improving the preparation yield and optical purity of 1,2,3,4-tetrahydroquinoline-2-carboxylic acid. Therefore, 1,2,3,4-tetrahydroquinoline-2-carboxylic acid can be easily prepared. CONSTITUTION: The method for preparing optically active 1,2,3,4-tetrahydroquinoline-2-carboxylic acid comprises the steps of: hydrogenating quinoline carboxylic acid ester compound with metal catalyst to prepare 1,2,3,4-tetrahydroquinoline-2-carboxylic acid ester compound; selectively hydrolyzing the racemic ester compound with lipase derived from a microorganism in the presence of buffer solution to prepare optically active 1,2,3,4-tetrahydroquinoline-2-carboxylic acid ester compound; and hydrolyzing or metal catalyst hydrogenating the 1,2,3,4-tetrahydroquinoline-2-carboxylic acid ester compound, wherein the metal catalyst is one or two or more metal mixture selected from Pd, Pt, Rh, Ru, Ni and Cu; and the microorganism is Pseudomonas fluorescens.
Patent KR-20040094180-A (KR)
Inventor: CHO GUK CHUN
IPC: H03F3/185
Filed: 2003-05-02
Abstract: PURPOSE: An apparatus and a method for generating a signal are provided to reduce the pop noise due to the transient response by reducing the transient response generated from a switching operation of a voice signal regenerator at a power-on state, a power-off state, a mute-on state, and a mute-off state. CONSTITUTION: An apparatus for generating a signal includes a power sense circuit and a pulse signal generator. The power sense circuit(110) is used for sensing a power-on state and outputting a sense signal according to a sensed result. The pulse signal generator(120) is used for generating one or more pulse rows in response to the sense signal. A first pulse width of the pulse rows is smaller than the width of the n-th pulse rows.
Patent KR-20040100015-A (KR)
Inventor: KIM IL UK
IPC: H01L21/285
Filed: 2003-05-21
Abstract: PURPOSE: A method of manufacturing a semiconductor device is provided to prevent effectively the increase of contact resistance due to a native oxide layer by removing the native oxide layer from a contact interface using a hydrogen gas or a reducing gas. CONSTITUTION: An interlayer dielectric(43) with a contact hole(45) is formed on a semiconductor substrate(41) with a junction region(42). Dry and wet cleaning processes are alternately performed on an exposed portion of the substrate through the contact hole. A native oxide layer is removed from the contact hole region by performing a pre-treatment under a reducing gas atmosphere. An ion-implantation for compensating the junction region for impurity loss is performed by using in-situ processing. A conductive layer(46) is deposited on the resultant structure including the contact hole by using in-situ processing. The reducing gas is a hydrogen gas or an ammonia gas.
Patent KR-20040102996-A (KR)
Inventor: KIM BYEONG OK
IPC: G06F17/00
Filed: 2003-05-30
Abstract: PURPOSE: A system and a method for offering a GUI(Graphic User Interface) of a wireless terminal application through the GML(GUI Markup Language) are provided to download the GUI information analyzed/displayed through a UI engine, and independently express a UI module by using the GML expressing the GUI information. CONSTITUTION: A UI main engine(202) includes a resource manager(210), an FUA(Flexible UI Application) manager(220), and a DUP(Downloadable UI Package) manager(230). The resource manager manages multiple resources, which is a necessary condition of each UI resource. The FUA manager manages each FUA information(200), which is written in a form that a function module(110) and the UI module(120) are separated, in order to be discriminated with existing general applications. The DUP manager stores/manages/removes a DUP(302) using the GML(300) and downloaded from a UI server in a file system. A UI engine library(252) includes a data manager(250), a rendering module(260), and a parsing module(270).
Patent KR-20040103035-A (KR)
Title: Digital delay locked loop and method for controlling thereof
Inventor: KIM GYEONG HUN
IPC: G11C11/4076
Filed: 2003-05-30
Abstract: PURPOSE: A digital delay locked loop(DLL) and a method for controlling the same are provided to improve the reliability of the DLL circuit by minimizing jitter. CONSTITUTION: A digital delay locked loop(DLL) includes a clock generation unit(80), a delay line(81), a delay model(82), a phase comparison unit(83), a jitter detection unit(84) and a delay control unit(85). The clock generation unit generates a source clock and a reference clock. The delay line is provided with a plurality of unit delays to delay the source clock by a predetermined time. The delay model reflects the delay time of the practical inner circuit on the output of the delay line. The phase comparison unit compares the reference clock with the phase of the feedback clock outputted from the delay model. The jitter detection unit detects the maximum jitter time in response to the phase comparison signal outputted from the phase comparison unit to output the multi-delay enable signal. And, the delay control unit controls the delay amount of the delay line to the unit delay or the multi-delay unit in response to the phase comparison signal and the multi-delay enable signal.
Patent KR-20030095264-A (KR)
Inventor: SUN IL SIK
IPC: G01N21/33
Filed: 2003-06-04
Abstract: PURPOSE: An apparatus for evaluating performance of a photo catalyst for removing volatile organic compounds by photolysis is provided to evaluate the performance of the photo catalyst by measuring decomposition efficiency of volatile organic compounds using a continuous flow method. CONSTITUTION: An apparatus for evaluating performance of a photo catalyst includes an electric control section, a reaction gas introducing section, a reaction section and a measuring section. The electric control section controls power and fluid supplied to the apparatus. The reaction gas introducing section includes a fluid feeding section(60), electronic valves(15,25,35), MFCs(16,26,36), a gas mixing reservoir(70) and a temperature/humidity adjusting chamber(40). The fluid feeding section(60) stores and feeds nitrogen gas(10), reaction gas(11), and purified air(12). The reaction section includes a UV ray generating part and a reactor. Mixed reaction gas is introduced into the reactor, reacted with UV ray and photo catalyst and introduced into the measuring section. A PID(Photo Ionization Detector) and gas chromatographic flame photometric detector are used to detect and analyze density of mixed reaction gas in order to evaluate decomposition efficiency.
Patent KR-20040107656-A (KR)
Inventor: KIM SANG YEONG
IPC: B60S1/32
Filed: 2003-06-09
Abstract: PURPOSE: A plasma wiper system for a vehicle is provided to enable remarkable improvement in securing a driver's visual field in sub-zero weather or rainy weather by including frost removal and hydrophilic treatment functions to a setting mode. CONSTITUTION: A plasma wiper system for a vehicle includes a wiper blade(10) comprising an edge member(11) having friction with a windshield glass; a connection member fixed to a wiper arm; and a vertical connection member softly bending in a direction opposed to the moving direction of the edge member according to the working direction of the wiper arm. The vertical connection member is vertically formed between the edge member and the connection member. Two contact surfaces(11a,11b) are formed to the lower end of the edge member coming in contact with the windshield glass. The contact surfaces maintain a gap in a state of interposing a depressed groove between the contact surfaces. A plasma production unit is installed to the inside of the depressed groove. The plasma wiper system wipes the windshield glass through plasma treatment.
Patent KR-20030095342-A (KR)
Title: Ｉｃ 카드 및 ｉｃ 카드간 암호통신 방법
IPC: G06K19/10
Filed: 2003-06-10
Abstract: 각각에 IC 카드가 접속되는 서버와 이용자 단말기가 상호 데이터 통신을 시작할 때 또는 IC 카드와 티켓 회수기(ticket collecting machine)가 상호 데이터 통신을 시작할 때, 그들 사이에 상호인증의 시작 시에 교환된 공통으로 이용 가능한 암호 알고리즘에 대한 정보에 따라서 상호인증 및 전송될 내용(contents)의 은폐(concealment)를 위하여 그들 모두 동적으로 암호 알고리즘을 변경하며, 상호인증의 시작시의 이 절차는 장치간에 신속하고 보안된 암호통신을 가능하게 하는 전자티켓 유통시스템에서의 IC 카드간 암호통신 방법을 제공한다.
Patent KR-20040110739-A (KR)
Inventor: KIM JONG SU
IPC: B60H1/12
Filed: 2003-06-20
Abstract: PURPOSE: A cylindrical door of an air conditioning system for a vehicle is provided to reduce operation force demanded in moving a rotary door by limiting a part contacting the rotary door with a door cover by a seal and installing a friction reducing member. CONSTITUTION: A cylindrical door installed movably in an air conditioner case to regulate an opening area of plural blowing opening units(3,4,5) comprises a rotary door(20) rotated to form an opening unit(22) communicating with the blowing opening units and a door cover(21) fixed in the case with covering the rotary door and composed of an opening unit communicating with the blowing opening units, a seal(26) stuck on a surface contacting with the rotary door to prevent air-leakage, and a friction reducing member(27) attached on the upper part of the seal.
Patent KR-20050001047-A (KR)
Inventor: KIM KANG EUN
IPC: B31F5/00
Filed: 2003-06-26
Abstract: PURPOSE: A mold of a packing buffer material forming device is provided to make various sized packing buffer materials by adjusting positions of a side support plate, a thickness regulating block, and a movable support plate without making a jig corresponding to the standard of various channel-type packing buffer materials. CONSTITUTION: In a packing buffer material forming device for making a corrugated cardboard paper tube wound by a thickness regulating block lifted up and down by an operating cylinder, a mold for the packing buffer material forming device is composed of a gear box(22) installed on a base(11) and mounted with a gear therein; a plurality of screws(23) arranged at both sides of the gear box, engaged with the gear, and formed with threads in the opposite direction; a movable support plate(24) engaged with the screw to move horizontally; a lower support plate(25) connected with the movable support plate to hold up a lower part of the packing buffer material in pressurizing; and a side support plate(26) coupled with the movable support plate and the lower support plate to prop up the lateral sides of the packing buffer material.
Patent KR-20050006319-A (KR)
Inventor: KWON O BUM
IPC: C07C217/80
Filed: 2003-07-08
Abstract: PURPOSE: Provided are a novel diamine compound which is improved in reactivity by minimizing the steric hindrance of a side chain, a poly(amic acid) prepared by using the diamine compound, a liquid crystal alignment layer obtained by using the poly(amic acid) which has a high heat resistance, a high transparency in a range of a visible ray, an excellent aligning property and a high voltage holding ratio, and a LCD device containing the LC alignment layer. CONSTITUTION: The diamine compound is represented by the formula 1, wherein A is H or a methyl group; B is -O-, -COO-, -CONH-, -OCO- or -(CH2)n- (wherein n is an integer of 1-10); and C is a C1-C20 linear, branched or cyclic alkyl group, a C6-C30 aryl group, an arylalkyl group or an alkylaryl group, is substituted with a functional group containing 1-10 halogen atoms at its terminal, and can contain at least one hetero functional group selected from the group consisting of -O-, -COO-, -CONH- and -OCO-.
Patent KR-20040044090-A (KR)
Inventor: TERADA TAKASHI
IPC: H01L21/00
Filed: 2003-07-16
Abstract: PURPOSE: A semiconductor device manufacturing method is provided to reduce a manufacturing cost by reducing number of masks required. CONSTITUTION: An electrode portion and another electrode portion(5) are formed with a spacing apart from each other on a main surface of a semiconductor substrate(1). Each of the electrode portions are sealed by a first insulating film(2). A second insulating film having an etching property different from that of the first insulating film is formed on the semiconductor substrate in order to cover the one electrode portion and the another electrode portion. A first opening exposing a portion of a region of the semiconductor substrate lying between the one electrode portion and the another electrode portion is formed in a self-aligned manner on the second insulating film. A second opening(12b) exposing a surface of the one electrode is formed in the second insulating film and the first insulating film.
Patent KR-20050011029-A (KR)
Inventor: HEO GOCK JI
IPC: A47G1/00
Filed: 2003-07-21
Abstract: PURPOSE: A plastic mirror and a method for manufacturing the plastic mirror are provided to enable automated production and manufacturing of large-sized plastic mirrors having enhanced durability and ensured user's safety by providing a uniformly reflective film formed by spraying a silver nitrate solution with a reducing agent on a transparent plastic substrate. CONSTITUTION: The method comprises: performing pre-treatment for removing foreign matter sticking to a surface of a plastic substrate using isopropyl alcohol(15); forming an adhesion layer by a spray method to increase adhesiveness between the substrate and a reflective film(10); primarily rinsing using pure water(11); forming an reflective film by spraying a silver nitrate solution and a reducing agent in the same amount using a two-head spray gun(20); secondly rinsing using pure water(21); primarily drying for removing water sprayed in the rinsing(22); forming a coating layer for preventing physical and chemical changes of the reflective film(30); and secondly drying for facilitating solidification of the coating layer(32).
Patent KR-20050011191-A (KR)
Inventor: HAN DAE SUNG
IPC: G06F15/00
Filed: 2003-07-22
Abstract: PURPOSE: A high-speed network system for transmitting a data packet to each local network through the Internet and an operating method thereof are provided to minimize loss of data transfer due to operation in case that a lot of data is suddenly transmitted, construct whole system simply, and realize speed and stability enhancement. CONSTITUTION: NICs(Network Interface Card)(310a,310b) transmit/receive the data packet in a state connected to the local network. An application continuously stores the data packet received through the RX(Reception) reading of the first NIC to a ring buffer(320) of a predetermined size through a polling method, transfers the stored packet to a user mode through a DMA(Direct Memory Access) mapping method, and performs the TX(Transmission) writing of the second NIC again. An HDD(Hard Disk Drive)(330) stores each data packet transferred through the application.
Patent KR-20050017073-A (KR)
Inventor: JUNG IN SOO
IPC: F01M9/10
Filed: 2003-08-13
Abstract: PURPOSE: A structure of a plunger for an oil relief valve is provided to operate the relief valve stably, and to drive the oil pump actively by bypassing oil through a bypass hole to an oil pan without inflow of oil into the spring storage space for elastically supporting the plunger. CONSTITUTION: An oil relief valve(40) is elastically supported by a spring in a housing in the middle of an oil line of an oil cooler for regulating pressure of oil to open a bypass hole(34) by moving a plunger(41) in increasing pressure of oil flowing into the oil cooler over the predetermined pressure. A processing part(42) is formed from the forward position of the plunger to the penetration position of the bypass hole in front of the plunger, and the outer diameter of the processing part is smaller than the outer diameter of the plunger. A penetration hole(43) is formed in the middle of the processing part.
Patent KR-20050018297-A (KR)
Inventor: BAE BEOM SIK
IPC: H04B7/24
Filed: 2003-08-16
Abstract: PURPOSE: A broadcasting service method for supporting a relay method in a high-speed packet data system is provided to supply a procedure of registering in a broadcasting service by receiving a broadcasting service ID showing broadcasting contents information, and to supply two ID transmitting methods, thereby flexibly coping with various network situations. CONSTITUTION: An SO33 of an MT(Mobile Terminal)(170b) is set(200). A PDSN(140) informs a terminal(170a) of an SDP(Session Description Protocol) of an application service layer(205). The terminal(170a) transmits session information of a broadcasting service through an IGMP(Internet Group Management Protocol) message(215). The PDSN(140) sends a broadcasting service ID identical with the session information to a PCF(150)(220). The PCF(150) transmits a broadcasting service update message including the service ID(225). A BS(160) sends broadcasting contents information(230), and transmits information showing that the service ID is successfully transmitted(240). The BS(160) sends an overhead message(250), and sends a broadcasting service setup message(260). The PDSN(140) sends a broadcasting service registration response(270). Broadcasting contents are transmitted to the MT(170b)(280). The MT(170b) sends the broadcasting contents to the terminal(170a)(290).
Patent KR-20050020122-A (KR)
Inventor: OH SEOUNG JAE
IPC: B01D53/26
Filed: 2003-08-21
Abstract: PURPOSE: To provide an exhaust system of a heat-treating apparatus, which is able to keep the pressure of an exhaust line including a discharge pipe stable by smoothly discharging moisture in a drainage tank. CONSTITUTION: The system comprises a reactor tube (10), a discharge pipe (14) which is connected with the reactor tube to discharge the remaining gas and moisture in the processing chamber, a separator (18) which is connected with the discharge pipe to separate moisture from gas, a drainage tank (22) which is connected with the separator through a pipe to temporarily receive the separated moisture, and a overflow pipe (40) which has a pipe-shape that is inserted from the lower part of the drainage tank to the inner upper side thereof. The upper side portion of the overflow pipe is inclined at an angle of about 10-75 degrees regarding a longitudinal direction.
Patent KR-20050022438-A (KR)
Inventor: KIM JAE SOUNG
IPC: H01L21/762
Filed: 2003-08-30
Abstract: PURPOSE: A method for forming a shallow trench isolation layer is provided to prevent a void or a seam from being formed in a shallow trench isolation layer, by forming a trench in a semiconductor substrate by a dry etch process, by decreasing the slope of the sidewall of the trench by an oxide process and a wet-etch process while rounding the lower corner of the trench and by forming a sidewall oxide layer and gap-filling an oxide layer. CONSTITUTION: A pad oxide layer and a silicon nitride layer(106) are formed on a silicon substrate(102). The pad oxide layer, the silicon nitride layer and a predetermined depth of the substrate are selectively removed to form a trench(110) by using a mask pattern having an arbitrary pattern. The first oxide process using an arbitrary process condition is performed to form a thin sacrificial sidewall oxide layer in the trench. The sacrificial sidewall oxide layer is removed by a wet-etch process to round the lower corner of the trench. The second oxide process is performed to a thin sidewall oxide layer in the trench. A thick insulation layer is formed to fill the trench. The insulation layer formed on the silicon nitride layer is planarized to complete a shallow trench isolation layer.
Patent KR-20040024479-A (KR)
Inventor: KIMURA MASATOSHI
IPC: H04L12/28
Filed: 2003-09-08
Abstract: PURPOSE: To provide a gateway card, a gateway device, a gateway control method and a gateway control program capable of reducing power consumption. CONSTITUTION: A personal computer 520 and the gateway card 510 connected to the personal computer 520 to adjust a communication protocol between different networks(WAN 200, LAN 400) are provided. At the gateway card 510, when an access request from a client 3001 corresponds to access to external devices(servers 1001-100n), the power mode of the personal computer 520 is maintained at a power-saving mode and the client 3001 is made to access the external device. At the personal computer 520, when a predetermined cause of transfer occurs, its power mode is shifted from a normal power mode to a power-saving mode.