baber/WOPTO huggingface dataset:
Patent KR-20010080591-A (KR)
IPC: H04N7/081
Filed: 2000-09-15
Abstract: NVOD 구조에서 VOD 서비스를 에뮬레이트 한다. 내용 정보는 NVOD 구조에서 최종 사용자에게 이용될 수 있게 된다. 내용 정보의 서두 부분은, 예컨대, 밤새 다운로드를 함으로써, 최종 사용자의 장치에 저장된다. 최종 사용자에서 서두 부분이 플레이아웃 되는 동안에, NVOD 구조에서 공급된 가능한 내용 정보는 최종 사용자의 장치에서 버퍼링된다. 상기 장치는 저장된 서두 부분을 플레이아웃하고 있던 것을 버퍼링된 내용 정보를 플레이아웃 하는 것으로 전환하도록 제어된다.
Patent KR-20010086115-A (KR)
IPC: G02F1/153
Filed: 1999-08-09
Abstract: 전기화학 거울은 투명한 제1 전극(106) 및 제2 전극(110)을 구비한다. 제1 및 제2 전극 사이에 배치된 전해질 용액(112)은 전극 상에 전착(電着)될 수 있는 금속 이온(116)을 함유한다. 음의 전기 전위(118)는 제1 전극에 인가되어 침적된 금속이 제2 전극으로부터 전해질 용액 안으로 용해되게 하고, 용액으로부터 제1 전극으로 전착되게 함으로써, 전자기 방사(122)를 위한 거울의 반사성에 영향을 미친다. 제1 전극에 적용되는 표면 변경층(108)은 거울의 반사성을 증가시키는 거울을 초래하는 실질적으로 균일한 전착을 보장한다. 양의 전기 전위(118)는 제1 전극에 인가되어 침적된 금속이 제1 전극으로부터 용해되게 하고 용액으로부터 제2 전극으로 전착되게 함으로써 거울의 반사성을 감소시킨다.
Patent KR-20020007306-A (KR)
Title: Data encoding/decoding device and apparatus using the same
IPC: G11B20/14
Filed: 2000-02-11
Abstract: A data encoding device has a serial data input and an encoded serial data output. The serial input is supplied to an encoding unit which combines each input bit with a plurality of additional encoding bits, to derive an encoded output bit and a plurality of updated encoding bits. The function performed by the encoding unit is selected such that over time the encoded output bit stream comprises substantially white noise. The output has constant and flat frequency response, so that the output of the encoding device is merely noise in the absence of an appropriate decoding device.
Patent KR-20010109310-A (KR)
Title: Substituted 1-oxo-and 1,3-dioxoisoindolines and their use in pharmaceutical compositions for reducing inflammatory cytokine levels
IPC: A61P43/00
Filed: 2000-03-17
Abstract: 1-Oxo- and 1,3-dioxoisoindolines substituted in the 4- or 5-position of the indoline ring reduce the levels of inflammatory cytokines such as TNFalpha in a mammal. A typical embodiment is 4-(4-amino-1,3-dioxoisoindolin-2-yl)-4-carbamoylbutanoic acid.
Patent KR-20020008833-A (KR)
Title: 솔레노이드 밸브를 작동하기 위한 방법 및 회로 장치
IPC: F02D41/20
Filed: 2001-01-25
Abstract: 본 발명은 솔레노이드 밸브(MV), 특히 전자 유압식 연료 교환 밸브 제어 장치, 분사 밸브 또는 엔진의 흡기/배기 밸브를 작동하기 위한 방법 및 회로 장치에 관한 것이다.  솔레노이드 밸브(MV)를 가능한 간단히 제어하기 위해, 솔레노이드 밸브(MV)가 3개의 단계를 포함하는 주기로 제어 작동되는 것이 제안되며, 솔레노이드 밸브(MV)는 3개의 단계를 포함하는 주기로 제어 작동되며, 상기 솔레노이드 밸브(MV)는 작동 개시 전류를 발생시키기 위한 작동 개시 단계에서 소정의 시간(T_1) 동안 소정 높이의 제1 전압(U_1)에 연결되며, 정지 전류를 발생시키기 위한 정지 단계에서 소정 높이의 제2 전압(U_2)에 연결되며, 차단 단계에서 양 전압(U_1, U_2)으로부터 차단된다.
Patent KR-20020008192-A (KR)
Title: 분말 슬러리 코팅 조성물
IPC: C09D7/12
Filed: 2000-05-18
Abstract: 본 발명의 분말 슬러리 코팅 조성물은 하나 이상의 수지 분말을 포함하는 개별적인 미립 물질을 수성 매질에 첨가한 후, 분산된 미립 물질을 평균 입도가 약 15미크론 이하가 되도록 밀링시켜 제조된다.  분말 슬러리 코팅 조성물은 기판 상에 코팅을 형성시키는데 사용된다.  이러한 코팅은 분말이 압축시에서 용융 혼합되고, 압출물을 분쇄시켜 생성된 분말 슬러리 코팅 조성물로부터 얻은 코팅과 동등하다.
Patent KR-20020010665-A (KR)
IPC: H04B1/709
Filed: 2000-05-10
Abstract: 부호 분할 다중 접속 (CDMA) 무선 전화(104)에서 의사 랜덤 (PN) 시퀀스 타이밍을 획득하는 장치(114)가 제공된다.  버퍼(203)는 적어도 하나의 파일럿 신호를 표시하는 샘플을 저장한다.  버퍼(230)에 결합된 상관기(202)는 복수의 상이한 PN 옵셋 각각에서 PN 시퀀스와 샘플의 적어도 일부를 상관하여 대응하는 상관 에너지를 생성하도록 동작할 수 있다.  상관기(202)에 결합된 제어기(116)는, 특정한 PN 옵셋에서의 PN 시퀀스가 에너지 임계 레벨과 동일한 상관 에너지를 생성하자 마자 상관기(202)를 인터럽트한다.
Patent KR-20020025110-A (KR)
Inventor: KIM HONG TAE
IPC: C02F1/74
Filed: 2002-01-28
Abstract: PURPOSE: Provided process is characterized by making an aerobic, microaeration and anoxic zone simultaneously by submerged moving media and reactor volume optimum. CONSTITUTION: The process is characterized by a submerged movable media assembly(17) installed at an aeration tank. Biofilm of uniform thickness is formed on the submerged movable media assembly(17), so unloading(sloughing) of biofilm is prevented. The ratio of reactor volume/surface area of media is optimized to 10-15 L/m¬2 by the submerged movable media assembly(17). DO(dissolved oxygen) concentration of the aeration tank is 0.5-1.5 mg/L. And rotation rate of the submerged movable media assembly(17) is 0.05-0.3 m/s.
Patent KR-20030064924-A (KR)
Title: Apparatus and method of chip test
Inventor: BANG SIN HAN
IPC: H01L21/66
Filed: 2002-01-29
Abstract: PURPOSE: An apparatus and a method for testing a chip are provided to minimize the defective proportion of a semiconductor package by testing the short circuit of a wire, the opening state of the wire, and the leak current of the wire after a die bonding process or a wire bonding process. CONSTITUTION: An apparatus for testing a chip includes a loading unit, a test unit, and an unloading unit. The loading unit is used for loading a strip PCB(Printed Circuit Board). The test unit is used for testing the strip PCB by checking the short circuit of a wire, the opening state of the wire, and the leak current of the wire. The unloading unit is used for unloading the strip PCB by separating the strip PCB according to a decision result of the test unit. The apparatus for testing the chip further includes a marking unit(526) and a host system. The marking unit is used for marking a bad mark to indicate the bad state of the strip PCB. The host system is used for driving the marking unit.
Patent KR-20030065881-A (KR)
Title: Impact prevention apparatus of Optical pick-up and optical write and read apparatus comprising thereof
Inventor: WANG JI SEOK
IPC: G11B7/08
Filed: 2002-02-01
Abstract: PURPOSE: An apparatus for preventing an impact of an optical pickup and an optical recording/playback apparatus having the same are provided to remove a limit on a space and an effect of interference in designing a deck base, and improve ability of absorbing the impact. CONSTITUTION: A deck base(1) has an aperture hole(1a) in the middle part. A main shaft(5) and a supplementary shaft(5') are arranged on both sides of the aperture hole in parallel with each other. End parts of the main shaft and the supplementary shaft are supported by a plurality of support members(6) to adjust a tilt. An optical pickup(4) is transferred following the main shaft and the supplementary shaft. A transfer gear part(10) transfers the optical pickup. A pair of tension members(100) are attached to the support members for absorbing impact force of the optical pickup when the optical pickup moves following the main shaft and the supplementary shaft.
Patent KR-20030067382-A (KR)
Title: Multi-channel digital audio player
Inventor: PARK YONG HAE
IPC: G11B20/10
Filed: 2002-02-08
Abstract: PURPOSE: A multichannel digital audio player is provided to simultaneously listen to various music selected by several people to their taste with a single player in a limited space. CONSTITUTION: An HDD(Hard Disk Drive)(16) stores a plurality of audio files and a simultaneous play program simultaneously playing one or more audio files. A plurality of selecting switches(18) are connected to a CPU(10) for selecting wanted audio files among the plurality of audio files. A codec(20) of each channel receives playback signals of the selected files by the time divided channel for decoding the playback signals. An amplifier(24) of each channel is connected with each codec for amplifying the decoded signals to be output to a plurality of speakers or head sets(22).
Patent KR-20030069738-A (KR)
Title: Process for preparing non-acetal artemisinin derivative and 10-benzenesulfonyldihydroartemisinin
Inventor: LEE SEOK JOON
IPC: C07D493/18
Filed: 2002-02-22
Abstract: PURPOSE: A process for preparing non-acetal artemisinin derivatives and 10-benzenesulfonyldihydro artemisinin is provided, thereby cheaply and easily preparing the non-acetal artemisinin derivatives and benzenesulfonyldihydro artemisinin. CONSTITUTION: A process for preparing non-acetal artemisinin derivatives of the formula (2) comprises reacting benzenesulfonyldihydro artemisinin of the formula (1) with Grignard reagents in the presence of zinc chloride, wherein R is allyl, benzyl, phenyl, vinyl or n-butyl; and the reaction is carried out by dissolving Grignard reagents in diethylether, and reacting the compound of the formula (1) with a solution of methylene chloride and zinc chloride under nitrogen conditions. A process for preparing benzenesulfonyldihydro artemisinin of the formula (1) as an intermediate of the compound of the formula (2) comprises oxidizing thiophenoxydihydro artemisinin of the formula (5) or (6).
Patent KR-20030071023-A (KR)
Title: Method of producing loess board
Inventor: SONG IN SU
IPC: B28B3/16
Filed: 2002-02-27
Abstract: PURPOSE: A method for preparing loess board is provided, which admixes various natural plant powders and forms the admixture into a shaped product in order to give excellent sound-absorption, heat-insulation and absorption properties and to protect human being from various diseases. CONSTITUTION: The method comprises steps of preparing different powders of paper mulberry, salt, potato starch, activated carbon, elvan stone, edible soda and jade together with the loess; grinding all of the materials in a grinder; boiling the paper mulberry at above 100deg.C; introducing the material from the step into a mixer after completion of the second and the third steps and; pouring the mixed material from the fourth step into a mold; passing a flat roller over the mixture in the mold; moving and drying the mold along a conveyor; attaching a paper board on top/bottom sides of the mixture after the seventh step; and cutting the obtained product then storing it.
Patent KR-20030075930-A (KR)
Title: A System for Setting a Customized Bell Sound and Ring Back Tone in a Telecommunication System, and a Method thereof
Inventor: NAM GI BEOM
IPC: H04M3/42
Filed: 2002-03-21
Abstract: PURPOSE: A system and method for an on-demand bell sound and ringback tone setup service in a communication system is provided so that a called subscriber can select and use desired audio contents as a bell sound for his terminal and a ringback tone for a calling terminal. CONSTITUTION: A BiBell service system(100), a system for an on-demand bell sound and ringback tone setup service, comprises a BiBell contents server(111) and a BiBell sending server(113). The BiBell contents server(111) to provide a BiBell contents service comprises an ARS server(115) and a web server(117). The ARS server(115) and the web server(117) help a subscriber to set and use audio contents as his own bell sound and ringback tone. When a subscriber selects one of the audio contents provided from the BiBell contents server(111), the BiBell contents server(111) downloads the selected audio contents to the subscriber's terminal so that the subscriber can use the selected audio contents as his own bell sound. In case that a caller makes a phone call to a subscriber who sets and uses desired audio contents as his own bell sound and ringback tone, the BiBell sending server(113) sends the audio contents to the caller's terminal. Receiving the information of a called terminal user from an HLR(131) and an MSC(133), the BiBell sending server(113) judges whether the called terminal user is a service subscriber.
Patent KR-20020076146-A (KR)
Title: Organic el drive circuit and organic el display device using the same
Inventor: FUJISAWA MASANORI
IPC: G09G3/10
Filed: 2002-03-25
Abstract: PURPOSE: An organic EL drive circuit and an organic EL display device using the same are provided which reduce the luminance variation in a display screen thereof and have a high integration density. CONSTITUTION: A column driver(20) of an organic EL drive circuit includes a column control circuit and a column line current drive circuit. The column control circuit(9a) includes a 4-bit D/A converter circuit(91) and a switching control circuit(92). The column line current drive circuit(8a) includes a reference current inversion circuit(21), a drive current regulator circuit(22) for laser trimming, a drive current generator circuit(23), a plurality (n) of k-time drive current generator circuits(82) each for amplifying an output current of the drive current regulator circuit(22) k times and a plurality (n) of current mirror output circuits(83) each for amplifying the output of each k-time drive current generator circuit(82) k times. The n k-time current generator circuits(82) and the n current mirror output circuit(83). In a case of a color display, the D/A converter circuit(91) and the column line current drive circuit(8a) are included in a column terminal drive IC for each of colors R, G and B.
Patent KR-20030077137-A (KR)
Title: Online Career Service and System using Acquaintance Information
Inventor: KIM NAM IL
IPC: G06Q99/00
Filed: 2002-03-25
Abstract: PURPOSE: A method and system for supplying person employment information using acquaintance information is provided to supply a stable employment supporting service by increasing a coefficient of reliability between a personnel manager of a job offering company and a job hunter by on-line using the Internet. CONSTITUTION: A service provider server(D2S) is connected to a plurality of employee clients(D22) and a plurality of employer clients(D21) through the Internet. Information is exchanged through a plurality of personal acquaintances(D23) or the Internet. The employer client(D21) connects to the service provider server(D2S) through the Internet and inputs one's history information and the first acquaintance information. The service provider server(D2S) stores the history information and automatically prepares data to be transmitted to each acquaintance(D23) based on first acquaintance information. The first acquaintance information supplied from each employer client(D21) is stored in a database and the prepared transmission data request information to the acquaintances(D23) through the Internet. Data supplied from the acquaintances(D23) prepared related to the employer client(D21) become the second acquaintance information, are transmitted to a system server through the Internet, and are stored in an acquaintance information database(D2A). The collected second acquaintance information is publicized with personal history information in accordance with a request of the employee client(D22) and used as employment information.
Patent KR-20020077179-A (KR)
Inventor: AOYAGI KENICHI
IPC: B29C70/34
Filed: 2002-03-28
Abstract: PURPOSE: A robot hand member and a manufacturing method of the robot hand member are provided to improve precision and rigidity of a robot hand member. CONSTITUTION: A robot hand member(16) makes a form on which a cross section is formed in a hollow rectangular shape and at least one rib(16B) extending along between longer sides of the cross section and extending in the longitudinal direction of an inside space is formed in the inside space of an FRP(Fiber Reinforced Plastic) made constitutional member(16A) extending in the longitudinal direction. Consequently, each of the longer sides of the cross section is connected to each other through the rib. Additionally, dents roughly at a central part of the longer sides are reduced as the rigidity is improved, and precision is improved. Additionally, the robot hand member is easily manufactured by arranging rectangular cross-sectional core materials on both sides of a rectangular cross-sectional shape rib constitutional member.
Patent KR-20030080712-A (KR)
Title: Photo-curable urethane acrylate containing UV-absorber functional groups and process for preparing thereof, and its photo-curable resin composition
Inventor: CHOI CHEOL GYU
IPC: C08F20/56
Filed: 2002-04-10
Abstract: PURPOSE: Provided are a reactive urethane acrylate derivative having an ultraviolet absorbent, which is excellent in weather resistance and friendly to environment, a preparation thereof, and a photocurable resin composition containing the reactive urethane acrylate derivative. CONSTITUTION: The reactive urethane acrylate derivative(formula 1) is produced by a process comprising the steps of: injecting 0.005-1mol of trifunctional isocyanate into an organic solvent and keeping temperature 25-90deg.C; adding 0.005-0.2mol of the ultraviolet absorbent for 30 minutes to 4 hours in the presence of a tin-based catalyst; reacting the mixture at 40-100deg.C for 30 minutes to 5 hours; adding 0.005-0.3mol of an acrylate containing a hydroxy group and reacting it for 1-8 hours. The photocurable resin composition contains 30-70wt% of an acryl-based prepolymer having at least one acryl group, 20-60wt% of a monofunctional or multifunctional acryl-based monomer or vinyl ether-based monomer, 2-7wt% of a photo-initiator, and 0.1-10wt% of the reactive urethane acrylate derivative(formula 1). In the formula, Acryl is a monofunctional or multifunctional acrylate group, R is a compound induced from bifunctional isocyanate or trifunctional isocyanate, R2 is benzophenone or triazole, m is an integer of 1-2, and p is an integer of 1-2.
Patent KR-20030080763-A (KR)
Title: 3d display system
Inventor: JANG HYEONG UK
IPC: H04N13/00
Filed: 2002-04-10
Abstract: PURPOSE: A 3D video display system is provided to use a cathode ray tube of high resolution as a projection engine for increasing the color to be realized while increasing the resolution, thereby obtaining 3D images of high quality. CONSTITUTION: A 3D video display system includes a projection engine such as a cathode ray tube(17) mounted in a housing(10), for realizing 2D images, an optical system for projecting images projected from the engine to a screen, and a driving part for rotating the screen at a uniform speed. The optical system is positioned between the cathode ray tube and the screen and has fresnel lenses(24,25), an off-axis lens(23), at least one reflection mirror(18-20) and at least a mirror(21,22) fixed between the cathode ray tube and the fresnel lens by a predetermined angle. The driving part has a rotator(12) rotatively mounted at an upper part of the housing and vertically mounted with the screen, a rotation shaft(11) axially coupled with the housing at a lower part of the rotator, and a driving motor(14) connected to the rotation shaft for rotating the rotator at a uniform speed.
Patent KR-20030080781-A (KR)
Title: Apparatus for processing fiber-reinforced composites using fiber mat and its manufacture
Inventor: SEO DEOK HYEON
IPC: D04H1/485
Filed: 2002-04-10
Abstract: PURPOSE: A method and an apparatus of manufacturing composite material by using fiber parts is provided to uniformly maintain the interfacial adhesiveness between the reinforce fiber and the matrix resin, thereby obtaining a high-strength composite material. CONSTITUTION: The method of manufacturing a complex material by using fiber parts comprises the steps of: mixing thermoplastic fibers with reinforce fibers; dispersing the mixed fiber composite; fixing the aligned reinforce fiber; and needle-punching the fiber composite to uniformly disperse the reinforce fiber and maintain the three-dimensional structure thereof. The composite mat fixed at the needle-punching step is pre-heated, melt-pressurized and cooled to make a composite plate.
Patent KR-20030080888-A (KR)
Title: water-purification equipment using photo-catalyst for installing at inside of water tank
Inventor: YOON SEONG SU
IPC: C02F1/72
Filed: 2002-04-11
Abstract: PURPOSE: Provided is a water purification system using photocatalyst is provided to remove organic materials and prevent proliferation of microorganism in the water tank. CONSTITUTION: The apparatus comprises a support frame(4), a plurality of honeycomb shape cells(500), each having photocatalyst therein, arranged to fill outer surfaces of the support frame(4), and a UV light installed in the center of the support frame(4) to be surrounded by the cells(500).
Patent KR-20020060109-A (KR)
Inventor: KIM JOUNG CHUL
IPC: A45D40/04
Filed: 2002-04-29
Abstract: PURPOSE: A case formed by a moving hole with almost the same outer diameter as a core and a guide groove to move a support part to both sides of the moving hole is provided. Therefore, it permits easy upward and downward movement of the core. CONSTITUTION: The multiuse case comprises: a medium case(200) mounted on the upper part of a lower case(100); a core fixing device(300) formed by an operating rod(310) at full length in an axial direction to be screwed with the medium case and for supporting the lower part of a core at the upper part of the operating rod; and an upper case(400) rotatively coupled with the medium case and formed by a moving hole(410) to move the core in an axial direction. It also contains a support part(315) vertically formed at the upper end of the operating rod to support the lower part of the core; and a guide groove(420) formed at both sides of the moving hole to move the support part easily up and down.
Patent KR-20030087176-A (KR)
Title: Data extraction/insertion method for digital signal processor and device thereof
Inventor: JUNG SEUNG JAE
IPC: G06F9/312
Filed: 2002-05-07
Abstract: PURPOSE: A method and a device for extracting/inserting data of a DSP(Digital Signal Processor) are provided to save a memory by efficiently and continuously extracting/inserting a data packet, which is not a byte or a word unit. CONSTITUTION: A data extracting/inserting part(610) extracts or inserts the data from a source register to an object register by receiving a pre-position value and an offset value representing a size of the extracting data, and responding to the first logic level of a flag signal, and receives and stores the data from the memory to the source register or the object register by responding to the second logic level of the flag signal. A position value generator(620) generates the position value by adding the pre-position value inputted from the outside to an offset value inputted from the outside. A flag signal generator(640) generates the position value as the pre-position value if the position value is smaller than a modulo value, generates the value subtracting the modulo value from the pre-position value as the pre-position value if not, and generates the flag signal according to a result comparing the position value with the modulo value.
Patent KR-20030046294-A (KR)
Title: Optical Pick-up Apparatus and its Adjusting Method
Inventor: KAIHO NAOKI
IPC: G11B7/1369
Filed: 2002-05-14
Abstract: PURPOSE: An optical pick-up device and a method for controlling the optical pick-up are provided to correct aberration caused by a deviation in the disk thickness or dispersion of wavelength of light from a semiconductor laser. CONSTITUTION: An optical pick-up device includes a semiconductor laser(1) and a photo-diode(13) for detecting light that is emitted from the semiconductor laser and reflected from an optical pick-up(14). The optical pick-up device further includes a relay lens(21) and an aberration correction lens(23) placed between the semiconductor laser and an object lens(25). The relay lens and aberration correction lens correct wave front aberration or remaining wave front aberration, or both of the wave front aberration and remaining wave front aberration.
Patent KR-20030089311-A (KR)
Inventor: CHO SU MIN
IPC: H01L29/423
Filed: 2002-05-17
Abstract: PURPOSE: A flash memory cell is provided to prevent an over-erase phenomenon and make a threshold voltage converge to a target voltage by controlling the type and density of impurities doped to a floating gate and a control gate. CONSTITUTION: A tunnel oxide layer(401) is formed on a semiconductor substrate(400). The first polysilicon layer doped with impurities is formed on the tunnel oxide layer. A dielectric layer(403) is formed on the first polysilicon layer. The second polysilicon layer doped with impurities is formed on the dielectric layer. A source/drain(405a,405b) is formed in the semiconductor substrate at both sides of the first polysilicon layer. The doping density of the first polysilicon layer is smaller than that of the second polysilicon layer so that the emission of electrons decreases to stop at the target voltage while a depletion layer is formed in the first polysilicon layer as the threshold voltage decreases in an erase operation.