baber/WOPTO huggingface dataset:
Patent KR-20040059178-A (KR)
Inventor: PARK SEONG UN
IPC: C21D1/18
Filed: 2002-12-28
Abstract: PURPOSE: A method for manufacturing bearing steel is provided which improves fatigue life of the bearing steel at high temperature and contaminated environment by increasing amount of residual austenite in an alloy in which carbide forming and stabilizing elements are supplemented and micronizing structure of the alloy. CONSTITUTION: The method comprises the steps of controlling carbon concentration on the surface of the steel slab to 0.9 to 1.2 wt.% by carburizing a steel slab comprising 0.30 to 0.50 wt.% of C, 1.20 to 2.00 wt.% of Si, 1.50 to 2.50 wt.% of Mn, 1.1 to 1.30 wt.% of Cr, 0.30 to 0.50 wt.% of V, 0.030 to 0.050 wt.% of Al, 0.020 to 0.030 wt.% of N and a balance of Fe and other inevitable impurities; nitriding the carburized steel slab in the temperature range of 870 to 910 deg.C so that the total concentration of carbon and nitrogen on the surface of the steel slab is maintained to 1.2 to 1.7 wt.%; first quenching the nitrided steel slab; and second quenching the first quenched steel slab in the temperature range of 830 to 860 deg.C, wherein amount of residual austenite on the surface of the bearing steel is 25 to 50 vol.%.
Patent KR-20040061980-A (KR)
Title: Substratr for Reflective liquid crystal display and fabrication method of the same
Inventor: KANG WON SEOK
IPC: G02F1/1343
Filed: 2002-12-31
Abstract: PURPOSE: An array substrate for a reflection-type LCD device is provided to configure a patterned spacer between spaced areas of reflective electrodes, thereby maintaining cell gaps in stable state and preventing light leakage as realizing a high contrast. CONSTITUTION: Pixel areas(P1,P2) are defined on a substrate(100) in matrix type. Gate lines are extended by passing through one side of an adjacent pixel area. Data lines(118) vertically cross the gate lines, and are extended by passing through other side of the pixel area. The data lines(118) are configured inwardly the pixel areas(P1,P2). A TFT(T) is configured in a crossed section of the gate lines and the data lines(118), and consists of a gate electrode(102), an active layer(110), a source electrode(114), and a drain electrode(116). Reflective electrodes(124) are configured in the pixel areas(P1,P2) as being contacted with the drain electrode(116), and cover all the data lines(118). A patterned spacer(150) is configured by corresponding to spaced areas of the reflective electrodes(124).
Patent KR-20020033729-A (KR)
IPC: G02B6/34
Filed: 2000-07-21
Abstract: The invention relates to an optical coupling device for coupling light between the end surfaces of two optical waveguides, in which the geometrical position of the end surface of one optical waveguide can be modified using a longitudinally modifiable element (8). Said element supports one of the two optical waveguides (10) and is fixed to the other optical waveguide by fixing blocks (4, 6). The longitudinally modifiable element is held by a spongy or porous spring element (14) which is supported either directly or indirectly on at least one of the fixing blocks (6) and permits longitudinal displacements of the longitudinally modifiable element by the extension or contraction of the same in its longitudinal direction. Said spring element also suppresses the vertical displacement of the longitudinally modifiable element, in relation to the longitudinal direction of said longitudinally modifiable element.
Patent KR-20020063163-A (KR)
Title: 신규 빵 효모 및 그 효모를 함유하는 밀가루 반죽
IPC: A21D8/04
Filed: 2000-09-22
Abstract: 본  발명은  빵  제조방법의  스트레이트법,  스펀지법  및/또는  냉동법에  있어서,  식염  및  다양한  제빵 재료를  첨가한  고삼투압 밀가루 반죽에서  발효력이  강하고,  비용적이  커서  양호한  빵을  만들  수  있는  빵 효모를  제공한다.  상세하게는,  빵  제조방법의  스트레이트법  및/또는  스펀지법에  있어서  내삼투압성을  구비하고  또한  냉동 내성을  구비하는  빵 효모가  제공된다.
Patent KR-20020060997-A (KR)
IPC: G01N22/04
Filed: 2000-12-21
Abstract: 본 발명의 목적은 토양에서의 재배에 있어서 pF값에 의한 관수제어를 가능하게 하는 토양의 수분량을 측정하는 방법 및 장치, 그것에 의거하는 pF값에 의한 관수제어를 가능하게 하는 관수제어방법 및 장치를 제공하는 데에 있다. 
     이와 같은 목적을 달성하기 위하여 본 발명은, 토양의 pF값(토양 수분장력)을 측정하는 방법으로서, 
     (a) 측정대상의 토양에 대하여 미리 pF값과 체적 함수율과의 상관관계를 구하고 ; 
     (b) 토양의 체적 함수율을 측정하고 ; 
     (c) 상기 공정(b)에서 측정된 토양의 체적 함수율의 값을, 상기 공정(a)에서 얻어진 pF값과 체적 함수율과의 상관에 의거하여 토양의 pF값으로 환산하는 것을 특징으로 하는 토양의 pF값의 측정방법 및 이와 같은 pF값의 측정에 의거하여 토양의 관수제어를 행하는 방법 및 장치에 관한다.
Patent KR-20020071940-A (KR)
Title: Wireless communication system with selectively sized data transport blocks
IPC: H04L12/56
Filed: 2001-01-12
Abstract: A CDMA telecommunication system utilizes a plurality of protocol layers including a physical layer and a medium access control (MAC) layer such that the MAC layer provides data to the physical layer via plurality of transport channels (TrCHs). Each TrCH is associated with a set of logical channels. The physical layer receives blocks of data for transport such that the transport blocks (TBs) includes a MAC header and logical channel data for a selected logical channel associated with a given TrCH. Each TB has one of a selected limited finite number of TB bit sizes. The logical channel data for each TB has a bit size evenly divisible by a selected integer N greater than three (3). The MAC header for each TB has a bit size such that the MAC header bit size plus the logical channel data bit size equals one of the TB bit sizes. A fixed MAC header bit size is associated with each logical channel for a given TrCH and is selected such that each fixed MAC header bit size equals M modulo N where M is an integer greater than 0 and less than N, i.e. each MAC header for a given TrCH has a bit offset equal to M. <IMAGE>
Patent KR-20020079880-A (KR)
Title: 코팅용의 열경화성 분체 조성물
IPC: C09D167/03
Filed: 2001-12-17
Abstract: 본 발명은 카르복실 그룹을 함유하는 무정형 이소프탈산 함유 폴리에스테르, 카르복실 그룹 함유 지방족 반결정질(semi-crystalline) 폴리에스테르, 임의의 상이한 카르복실 그룹 함유 반결정질 폴리에스테르, 결합제의 전체 중량을 기준으로 하여 5 중량부 이상의 특정한 글리시딜 그룹 함유 아크릴 공중합체 및 폴리에스테르의 카르복실 그룹과 반응성인 작용 그룹을 지닌 경화제를 포함하는 결합제를 포함하는 열경화성 분체 조성물에 관한 것이다.  본 발명의 열경화성 분체 조성물은 뛰어난 유동성, 현저한 내후성 및 우수한 기계적 특성을 지닌 반광택(semi-matt) 코팅을 생성시키는 분체 페인트 및 바니시의 제조에 유용하다.
Patent KR-20020086565-A (KR)
Title: 캔화 리니어 모터
IPC: H02K41/02
Filed: 2001-02-23
Abstract: 가동자의 온도상승을 억제하여 점성제동력을 저감시킨, 캔 강도의 열화가 없는 캔화 리니어 모터를 제공한다. 
     한쪽에 계자인 영구자석을 구비하고 다른쪽에 3상의 전기자 권선과, 동 전기자 권선을 지지하기 위한 권선 고정틀과, 동 전기자 권선의 표면을 냉각시키기 위한 냉매가 흐르는 냉매통로와, 동 전기자 권선과 상기 냉매통로를 덮는 캔(14)과, 동 캔을 밀봉하기 위한 헤더(14')를 구비한 캔화 리니어 모터에 있어서, 상기 캔(14)에 가늘고 긴 슬릿(151),(152)을 서로 평행하게 진행방향으로 여러개 설치했다.
Patent KR-20030009390-A (KR)
IPC: A61K31/497
Filed: 2001-02-23
Abstract: 녹내장과 관련된 시야 손실을 억제하는데 유용한 5-HT 1A 효능제 활성을 갖는 화합물이 개시된다.
Patent KR-20020089429-A (KR)
Title: 피드백 제어 제공 방법 및 장치
IPC: G05B11/28
Filed: 2002-01-22
Abstract: 폐루프 피드백 제어를 제공하는 방법과 장치가 개시된다.  이 방법은 하이브리드 소프트웨어 및 하드웨어 솔루션으로 이루어져, 양자의 유용한 속성들의 이점들을 취한다.  장치에 의한 아날로그 신호 출력은 모든 필요한 고주파수 정보를 제공하기에 충분한 속도로 샘플 추출되고, 하드웨어에서 고속으로 전처리된다.  다음, 전처리단의 출력은 훨씬 더 느린 속도로 소프트웨어에서 작용한다.  이 방법과 장치는 디지털 영역에서 피드백 신호의 복잡한 실시간 처리를 허용하면서도 표준 마이크로-콘트롤러의 비용 효율 및 프로그래밍 유연성(programming flexibility)이 활용되도록 한다.
Patent KR-20030005345-A (KR)
IPC: H03K19/00
Filed: 2001-04-20
Abstract: 본 발명은 입력 신호(450)를 수신하여, 내부 회로에 대해 요망되는 특정 전압으로 클램핑된 출력 신호(600)를 제공하는 전압 조정 회로(11)를 제공한다.  개시된 전압 조정 회로는 입력 전압이 0 V로부터 상승하기 시작할 때 출력 전압이 어떤 전압 강하도 없이 그 입력 전압을 추종하는 전압 추종 부회로(500)를 포함하는 복수의 부회로를 포함한다.  입력 전압이 내부 회로용의 원하는 전압 레벨까지 상승하면, 전압 추종 부회로(500)는 출력 전압을 클램핑하여 그 전압으로 유지되도록 한다.  입력 전압이 더 높은 전압으로 계속 상승하면, 전압 추종 부회로(500)는 정지되고, 복수의 전압 유지 부회로(550, 560, 570) 중 하나가 제어권을 넘겨 받아, 출력 전압이 내부 회로용의 원하는 전압으로 유지되도록 한다.
Patent KR-20030007700-A (KR)
IPC: H01M8/06
Filed: 2002-03-06
Abstract: 연료 저장 매체의 상이한 열 캐패시티를 이용하는 연료 셀의 온도 조정을 위한 장치 및 방법이 개시된다.  온도를 조정하는 방법은, 하나 또는 그 이상의 연료 셀들의 온도를 측정하는 단계, 목표값들에 대해 온도를 비교하는 단계, 비교의 결과에 기초하여 이용 가능한 제어 방법들의 세트로부터 제어 방법을 선택하고, 조정 사이클을 개시 및 제어하도록 상기 제어 방법을 이용하는 단계와, 형성 및 분리의 상이한 엔탈피들을 나타내는 연료 저장 매체를 각각 포함하는 하나 또는 그 이상의 연료 저장 컨테이너들 사이에 연료의 흐름을 변경하도록 선택된 제어 방법을 이용하는 흐름 제어 수단을 작동하는 단계를 포함한다.  조정 처리는 연료 셀 시스템(100)의 온도(110)를 측정하여 시작한다.  이어서, 측정된 온도는 최고 연료 셀 성능을 제공하도록 설계된 이상적인 목표값들의 예정된 세트에 비교(120)된다.  비교 단계 다음에, 제어 방법(130)은 이용 가능한 제어 방법들의 목록으로부터 선택된다.  제어 방법은 흐름 제어 수단(150)을 교대로 작동하는 연료 흐름 개시 처리(140)를 규정하는 필요한 파라미터들 및 로직을 갖는다.  흐름 제어 수단의 작동은 하나 또는 그 이상의 연료 셀들의 온도를 변화시키고, 그 동작 파라미터들(160)을 변경한다.
Patent KR-20040019832-A (KR)
Inventor: LEE BONG JIK
IPC: E04F15/20
Filed: 2003-01-06
Abstract: PURPOSE: A sound insulation sheet is provided to improve performance of absorbing and insulating sound. CONSTITUTION: A sound insulation sheet(1) to be layered to a concrete slab of a building includes a sound insulation layer(3). The specific gravity of the sound insulation layer is over 2, and plural separation projections(5) are formed to the outer surface of the sound insulation layer. A contact area of the separation projections and the concrete slab is formed at a rate of 1¯20 percent to the gross area. The sound insulation sheet includes a foam material layer layered to the sound insulation layer.
Patent KR-20040067487-A (KR)
Inventor: KIM JAE YEOL
IPC: F01N13/00
Filed: 2003-01-23
Abstract: PURPOSE: A device for preventing burn of a sound-absorbing material for a muffler of a vehicle is provided to prevent burn of the sound-absorbing material caused by exhaust gas without lowering the function of the sound-absorbing material. CONSTITUTION: In a device for preventing burn of a sound-absorbing material(40) for a muffler(50) of a vehicle, a tube(10), in which warps and wefts are woven in a cylindrical body shape, is fitted to the outer surface of a filter pipe(20). The weft constituting the tube is one of such an inorganic thread as a glass fiber or, such a metallic thread as a stainless fiber or an aluminum fiber, or such an organic thread as a polyolefin-type synthetic fiber. The weft is one of such an organic thread as a glass fiber, or such a metallic thread as a stainless fiber or an aluminum fiber.
Patent KR-20040068372-A (KR)
Inventor: KIM TAE GYU
IPC: H04M1/72
Filed: 2003-01-25
Abstract: PURPOSE: An apparatus and a method for transmitting and receiving information between a main body and a portable unit in a cordless phone is provided to increase service quality and added value by enabling processed data to be transmitted and received mutually between a main body and a portable unit. CONSTITUTION: In case that processed data to be mutually updated at a main body or a portable unit exist(410), the main body or the portable unit confirms whether the user sets up an automatic transmission function for the processed data(412). If the user sets up the automatic transmission function, the main body or the portable unit establishes a transport channel(414) and transmits a processed data packet(416). Then the main body or the portable unit waits for a response for the transmitted packet for preset time(418). If there is no response for the transmitted packet, the main body or the portable unit transmits the processed data packet again.
Patent KR-20040069014-A (KR)
Inventor: NOH BONG GYU
IPC: G02F1/13
Filed: 2003-01-28
Abstract: PURPOSE: An active-matrix LCD(Liquid Crystal Display) having a liquid crystal layer with a large thickness allowance and a liquid crystal projector using the LCD are provided to reduce variations in transmissivity and reflectivity of the LCD to improve picture quality of production yield. CONSTITUTION: An active-matrix LCD includes a pixel electrode(120), an alignment film(130), and a dielectric layer(116) formed between the pixel electrode and the alignment film. The LCD further includes a common electrode. The alignment film, dielectric layer, a liquid crystal layer, and an alignment film of a common electrode substrate are serially connected between the pixel electrode and the common electrode. The dielectric index of the liquid crystal layer is 4 to 20.
Patent KR-20030065387-A (KR)
IPC: H03K19/00
Filed: 2003-01-29
Abstract: 본 발명은, 논리회로 및 반도체장치에 관한 것으로, 서브 스레숄드전류를 억제하고, 논리게이트부의 출력논리를 고정하기 위한 회로의 간소화를 도모하는 기술을 제시한다. 
     입력된 제어신호에 따라 상기 논리게이트부에의 전원공급을 차단가능한 n채널형 제 1 트랜지스터(103)와, 상기 제 1 트랜지스터에 의한 상기 전원공급의 차단동작에 연동하여 논리게이트부의 출력노드를 하이 레벨로 고정가능한 p채널형 제 2 트랜지스터(104)를 갖고, 상기 제 1 트랜지스터의 임계치는 상기 논리게이트부를 구성하는 트랜지스터의 임계치보다도 높게 설정된다. 논리게이트부에의 전원공급을 차단하는 수단, 및 그에 연동하여 논리게이트부의 출력노드를 하이 레벨로 고정하는 수단을, 각각 상기 제 1 트랜지스터 및 제 2 트랜지스터로 구성하므로써, 서브 스레숄드전류를 억제하고, 논리게이트부의 출력논리를 고정하기 위한 회로의 간소화를 도모한다.
Patent KR-20040072808-A (KR)
Inventor: BAEK JUNG HYEON
IPC: H01L23/40
Filed: 2003-02-11
Abstract: PURPOSE: A pincers-shaped device for radiating heat generated from a semiconductor module is provided to radiate effectively the heat by using a pincers-shaped structure stuck to a package of the semiconductor module. CONSTITUTION: A plurality of heat exchange members(100,200) face each other. A semiconductor module including packages is inserted between the heat exchange members. A connection part(300) is used for connecting the heat exchange members to each other by using a hinge joint method. An elastic member(400) is inserted between the heat exchange members in order to be stuck to surfaces of the packages of the semiconductor module when the semiconductor module is inserted between the heat exchange members.
Patent KR-20030071504-A (KR)
Inventor: KOYAMA KAZUYA
IPC: C25C1/12
Filed: 2003-02-24
Abstract: PURPOSE: An economical process for recovering metal copper through electrolysis using reduced electric energy, an electrolytic process for recovering metal copper from waste such as printed circuit boards containing metal copper, and an electrolytic cell apparatus for effectively producing metal copper from copper contained solution are provided. CONSTITUTION: In an electrolytic process for producing metal copper in an electrolytic cell comprising anode chamber and cathode chamber divided by porous member, anode positioned in the anode chamber, and cathode positioned in the cathode chamber, the electrolytic process comprises a step of supplying an ammonia alkaline electrolyte solution containing Cu(I) ions of diamine to the anode chamber and cathode chamber respectively; and producing metal copper at the cathode and producing Cu(II) ions of tetramine at the anode by impressing DC to the anode and cathode. In an electrolytic cell apparatus(1) comprising anode chamber(4) and cathode chamber(3) divided by porous member(2), anode(6) positioned in the anode chamber, cathode(5) positioned in the cathode chamber, and DC power(8) connected to the anode and cathode, the electrolytic cell apparatus is characterized in that the anode chamber and cathode chamber respectively include an ammonia alkaline electrolyte solution(7) containing Cu(I) ions of diamine, wherein the electrolytic cell apparatus further comprises regenerating chamber(9), supply passageway, recirculation passageway, and purification unit(12).
Patent KR-20040079560-A (KR)
Inventor: WI SOON IM
IPC: H01J31/15
Filed: 2003-03-07
Abstract: PURPOSE: An AC vacuum fluorescent display having a carbon nanotube is provided to improve contrast by using two filaments on which the carbon nanotube is mounted. CONSTITUTION: An AC vacuum fluorescent display(10) having a carbon nanotube comprises a vacuum glass tube(11) having a predetermined vacuum space and an inner surface on which a phosphor layer is deposited; a first and second filament(13a,13b) having a surface on which a plurality of carbon nanotube(14) are mounted and located at the vacuum space of the vacuum glass; and a first and a second electrode having an end part connected to the first and second filament and the other end part for receiving a driving power from AC power(19).
Patent KR-20040080245-A (KR)
Inventor: BAEK JEONG HUI
IPC: G06F17/40
Filed: 2003-03-11
Abstract: PURPOSE: A method for storing data and verifying the data forgery/alteration is provided to store the information stored in a database and needing the long time storage as a document file format, offer a service when a user requests the document file, and verify the forgery/alteration of the raw data by using the stored document file. CONSTITUTION: A keyword for searching the data to be stored from the data of the database is prepared(S1). The data is extracted by searching the database with the keyword(S2). An empty document form including a section for inserting the keyword and the data is prepared(S3). The document is generated by inserting the keyword and the extracted data into each section of the empty document form(S4). The document is stored in a predetermined file format and kept(S6).
Patent KR-20040082835-A (KR)
Inventor: LEE GYEONG WON
IPC: H01B1/24
Filed: 2003-03-20
Abstract: PURPOSE: A semiconductive composition for a high voltage cable is provided to optimize scorch time, a degree of crosslinking and mechanical and electric properties, to improve blooming properties and to reduce impurities by using a cresol-based antioxidant. By using the semiconductive composition, excellent interfacial properties are obtained in long-term use at high temperature. CONSTITUTION: The semiconductive composition for a high voltage cable, which can both used in the inner and the outer semiconductive layers comprises: 100pts.wt of a polyethylene acrylate copolymer having 10-20wt% of the acrylate content and 1.8-8g/10min of melt index or 100pts.wt of a matrix resin where a polyethylene acrylate copolymer having 10-20wt% of the acrylate content and 1.8-8g/10min of melt index is blended with any one of polyethylene butylacrylate having 25-40wt% of the acrylate content and 15-300g/10min of melt index and polyethylene ethylacrylate having 15-30wt% of the ethylacrylate content and 15-300g/10min. of melt index; 45-70pts.wt of a carbon black; 0.1-5pts.wt of a process oil; 0.2-2pts.wt of a crosslinking agent; and a cresol-based antioxidant being used alone or together with a phenol-based antioxidant, in which the cresol-based antioxidant is 4,6-bis(octylthiomethyl)-o-cresol.
Patent KR-20040084299-A (KR)
Inventor: KIM JONG UN
IPC: H04B1/38
Filed: 2003-03-27
Abstract: PURPOSE: A camera module coupling structure of a portable video terminal is provided to automatically rotate a camera as many as an open angle of a folder by interworking the camera with the folder. CONSTITUTION: A body(10) is formed with hinge fixing parts(13) protruded from both ends of a body case. A folder(20) is formed with a hinge fixing part(22) protruded from a folder case to rotate between the hinge fixing parts(13) of the body(10). A camera(40) is rotatively coupled with a center of the hinge fixing part(22), and photographs image information. An elastic support(50) rotates the camera(40) with the folder(20) when the folder(20) is rotatively open/shut from the body(10), and elastically supports one side of the camera(40) for rotation by a manual operation.
Patent KR-20030079739-A (KR)
Title: ＦｅＲＡＭ 장치와 그 장치에 의한 프로세스 및 다중 비교동작 방법
IPC: H01L21/8242
Filed: 2003-04-02
Abstract: 비교기 타입 감지 증폭기(comparator-type sense amplifier)는 FeRAM 셀에서 판독된 일정한 전압을 일련의 기준 전압 레벨과 비교한다.  다중 비교 동작(multiple comparison operation)은, 비트 라인(bit line)으로의 데이터를 판독하는 단계(a)와, 제 1/다음 기준 전압을 인가하는 단계(b)와, 비트 라인 전압을 인가된 기준 전압과 비교하는 단계(c)와, 단계(b) 및 단계(c)를 한 번 이상 반복하는 단계(d)를 포함한다.  다중 비교 동작은 FeRAM 셀의 동작을 특징짓고, 비트 에러가 발생될 수 있는 FeRAM 셀을 예측하거나 검출하며, 또는, FeRAM 셀로부터의 다중 비트 값(multi-bit value)을 판독하기 위해서 사용될 수 있다.
Patent KR-20040091438-A (KR)
Inventor: BAE BOK HAN
IPC: G10L15/22
Filed: 2003-04-21
Abstract: PURPOSE: An apparatus for controlling a remotely located motor using voice recognition is provided to control a motor, remotely located, according to a user's voice command. CONSTITUTION: An apparatus for controlling a remotely located motor includes a voice recognition and RF transmitting unit(100), a motor controller(200), and a motor driver(41). The voice recognition and RF transmission unit is controlled by the first microprocessor(21), synthesizes data corresponding to a user's voice command and a unique address code allocated to the motor and transmits the synthesized data as an RF signal. The motor controller is controlled by the second microprocessor(39), receives the RF signal and demodulates the RF signal into the original signal. The motor controller confirms the unique address signal from the demodulated signal and outputs a control signal for driving the motor in response to the user's voice command. The motor driver outputs a signal for rotating the motor in a forward or reverse direction in response to the control signal.
Patent KR-20040095927-A (KR)
Inventor: KIM PIL SEUNG
IPC: H01L21/304
Filed: 2003-04-29
Abstract: PURPOSE: A method for fabricating semiconductor device using CMP process is provided to improve thickness uniformity and planarizing characteristics by adjusting hole density and hole size of a shower head of CVD equipment. CONSTITUTION: A predetermined layer(51) is formed on an upper surface of a semiconductor substrate(50). The predetermined layer is polished as much as a predetermined thickness thereof by performing a CMP process. A thickness of the predetermined layer corresponding to an edge part of the substrate is thicker than a thickness of the predetermined layer corresponding to a center part of the substrate. The predetermined layer is formed by the CMP process.
Patent KR-20040096671-A (KR)
Inventor: CHO HAN JIN
IPC: E01D2/02
Filed: 2003-05-10
Abstract: PURPOSE: A construction method for a prefabricated slab bridge using a unit prestressed steel reinforcement concrete girder manufactured by a T-shaped steel plate is provided to reduce the period and cost of construction by emitting an installation work for a slab. CONSTITUTION: The construction method for a prefabricated slab bridge using a unit prestressed steel reinforcement concrete girder manufactured by a T-shaped steel plate comprises the steps of installing a unit prestressed steel reinforcement concrete girder(30) on a pier or an abutment(1), installing a horizontal connection(40) to connect the unit prestressed steel reinforcement concrete girders(30) longitudinally, installing a vertical connection(50) between the unit prestressed steel reinforcement girders(30) installed adjacently, connecting the unit prestressed steel reinforcement concrete girders(30) mutually by placing a steel strand(31) to a through hole installed widthwise, waterproofing the upper part of an upper flange, and paving with asphalt concrete, then installed to a bridge.
Patent KR-20030090514-A (KR)
Title: 곡물검사기의 곡물받침접시
IPC: B07B13/02
Filed: 2003-05-16
Abstract: 본 발명은, 검사대상물인 곡물을 얹어놓는 곡물받침접시와, 곡물의 데이터를 채취하는 검출기와, 곡물받침접시를 회전시키는 회전모터를 포함하여 이루어지는 곡물검사기의 곡물받침접시에 관한 것이다.  곡물받침접시는, 금속으로 된 회전판과, 수지를 사출성형으로 형성하여 회전판의 바깥둘레부에 장착한 받침판을 포함하여 이루어지며, 받침판을 사출성형하여 회전판에 장착한 후에 받침판에 발생하는 압축응력을 완화하기 위해서, 복수의 응력완화홈을 받침판에 설치하였다.
Patent KR-20040100212-A (KR)
Inventor: CHOI JEONG PIL
IPC: G09G3/288
Filed: 2003-05-22
Abstract: PURPOSE: An energy recovery circuit and a method for driving the same are provided to save the manufacturing cost by using the switch with low withstanding voltage since the voltage smoothly rising to the reference voltage is supplied during the initial operation. CONSTITUTION: An energy recovery circuit includes a panel capacitor(Cp), a source capacitor(Cs), an inductor(L), a first switch(S1), a second switch(S2) and a reference voltage supplying unit(30). The panel capacitor is equivalently formed on the discharge cell. The source capacitor is charged by recovering the voltage of the panel capacitor as well as it supplies the charged voltage to the panel capacitor again. The inductor is installed between the panel capacitor and the source capacitor. The first switch is installed between the inductor and the source capacitor to form the charge/discharge path of the source capacitor. The second switch is installed between the inductor and the source capacitor to form the charge/discharge path of the source capacitor. And, the reference voltage supplying unit supplies one of a rising pulse and a reference voltage having a predetermined voltage value.