baber/WOPTO huggingface dataset:
Patent KR-20060116450-A (KR)
Title: Methode for controlling complex device in device link system based television
Inventor: IM KANG HEE
IPC: H04N5/44
Filed: 2005-05-10
Abstract: A method for controlling complex devices in a device link system based on a TV is provided to more efficiently and conveniently operate and control a specific device by connecting various types of devices to a digital TV by a daisy chain type and operating a remote controller of the digital TV. A master device of a device link system based on a TV generates a request message to discover respective slave devices, and transmits the generated request message. The respective slave devices receive the request message, generate a response message, and transmit the generated response message to the master device. A physical ID and a logical ID indicating all of the slave devices are recorded in a destination address of the request message. When the corresponding slave device is a complex device, an intrinsic physical ID and a meaningless logical ID are recorded in a source address of the response message.
Patent KR-20060120987-A (KR)
Title: Conductive ink, method for producing thereof and condoctive substrate
Inventor: JUN BYUNG HO
IPC: H05K3/10
Filed: 2005-05-23
Abstract: Provided are a conductive ink having a low firing temperature, high dispersion stability and excellent electroconductivity, and a conductive substrate having excellent conductivity at a low firing temperature by using the same ink. The conductive ink comprises a mixture of: a metal mixture comprising a metal precursor with an amine compound; metal nanoparticles capped with a dispersant; and an organic solvent. The metal precursor and the metal nanoparticles comprise at least one metal element selected from the group consisting of silver(Ag), copper(Cu), nickel(NI), gold(Au), platinum(Pt), palladium(Pd) and iron(Fe). The metal precursor is at least one selected from the group consisting of AgNO3, AgBF4, AgPF6, Ag2O, CH3COOAg, AgCF3SO3, AgClO4, Cu(NO3), CuCl2, CuSO4, NiCl2, Ni(NO3)2 and NiSO4.
Patent KR-20060121401-A (KR)
Title: Method for controlling dewatering of washer
Inventor: LEE PHAL JIN
IPC: D06F33/02
Filed: 2005-05-24
Abstract: A dewatering control method of a washing machine is provided to minimize the amount of vibration to a system at a dewatering step which is performed at a single load having the high eccentricity of the washing machine. A dewatering control method of a washing machine comprises the steps of: judging kinds of loads of the dewatered objects if a dewatering step starts(S301,S304); rotating a drum alternately to left and right sides to sense the eccentricity according to the kinds of loads or rotating the drum only in one direction(S305); and rotating the drum only in one direction having less vibration and sensing the eccentricity to a standard range when the load is a single load having the laundry concentrated to one point(S306).
Patent KR-20050053044-A (KR)
Inventor: YOON WON JOO
IPC: A23L33/00
Filed: 2005-05-24
Abstract: 본 발명은 갈화 추출물을 함유하는 건강식품에 관한 것으로서, 더욱 상세하게는 갈화(칡꽃,  Pueraria thunberginia )로부터 얻은 추출물이 생체외 실험에서 카스파제-3(caspase-3) 활성을 억제하는 효과를 가지고, 생체내 실험에서는 신경세포를 파괴시키는 192-사포린(192-saporin)에 의한 기억력 저하를 현저히 줄이고, 아세틸콜린 에스터라제(Acetylcholine esterase, AchE) 및 콜린 아세틸 트랜스퍼라제(Choline acetyltransferase, ChaT)의 활성을 증강시킴으로써, 뇌기능 개선 효과를 나타내며 특히, 노화 방지 및 노인성 치매 예방에 유효한 건강식품으로 사용 가능하므로 갈화 추출물을 함유하는 건강식품에 관한 것이다.
Patent KR-20060123790-A (KR)
Title: An electron beam curing apparatus
Inventor: KIM HAK
IPC: H01L21/027
Filed: 2005-05-30
Abstract: An electron beam curing apparatus is provided to cure simultaneously an entire area of a photoresist layer on a wafer by arranging a plurality of tips at a predetermined interval on a semiconductor substrate. A plurality of tips(120) are projected from a lower side of a semiconductor substrate(110) in order to emit electron beams for providing on a wafer on which a photoresist layer is formed. An extractor electrode(140) is used for accelerating the electron beams emitted from the tips. An anode electrode(160) is used for focusing the accelerated electron beams. An aperture plate(180) includes a plurality of apertures through which the electron beams pass. A plurality of deflectors(200) are used for deflecting the electron beams.
Patent KR-20060133251-A (KR)
Title: Device for testing liquid crystal display and method for manufacturing the same
Inventor: KIM JONG DAM
IPC: G02F1/1345
Filed: 2005-06-20
Abstract: A test apparatus for an LCD panel and a manufacturing method thereof are provided to improve a test speed and reduce a manufacturing cost by using a surface contact method at the time of a defect test of the LCD panel. A printed circuit board includes a plurality of signal line patterns. When an input test signal is applied from the signal line patterns through an input channel, an output test signal is applied to a gate line or a data line of an LCD panel(200) through an output channel. A flexible circuit board mounts the driver chip at one side, and includes an input line pattern having a pitch corresponding to the signal line pattern, and an output line pattern having a pitch corresponding to the gate line or the data line, and contacts the output line pattern with the gate line or the data line. A probe plate includes attachment marks having intervals corresponding to the output line pattern, and electrically connects the output line pattern with the gate line or the data line by compressing another surface of the flexible circuit board.
Patent KR-20060133266-A (KR)
Title: Method for certificating a user with a service to inform of caller's phone number
Inventor: SUNG HYUN MAN
IPC: G06F15/00
Filed: 2005-06-20
Abstract: A method for certificating a user with a CID(Caller ID) service is provided to generate expenses according to transmission of text messages by transmitting a certification number needed for certification without transmitting the text message to the user. A certification server selects a caller phone number or multiple phone numbers assigned to the certification server as the caller phone number(S23). The certification server displays the caller phone number to a telephone by connecting to a call to the telephone of the user(S30). The certification server receives data from a user computer through the Internet(S61). The certification server certifies the user in case that the caller phone number is matched with the received data(S65). The certification server terminates call connection after the call is connected to the telephone of the user(S40).
Patent KR-20060133671-A (KR)
Title: Image-based deformation of objects in real scenes
Inventor: LEE IN KWON
IPC: G06T19/00
Filed: 2005-06-21
Abstract: A method for warping an object within an actual background image for interacting with a CG(Computer Graphic) character is provided to geometrically warp the object of an actual image by using a simplified auxiliary 3D model and apply lighting effects to the object by using ERI(Expression Ratio Image), thereby warping the object itself of a background and easily making an image having quality of the level of an actual image. A method for making interaction between an actual background image and a CG character comprises the following steps of: obtaining lighting information which is changed according to coordinate information and movements of each part of a 3D model by moving the 3D(3Dimension) model which simply represents an object within a background; geometrically warping the object within the background through image warping by using the obtained coordinate information; reflecting the changed lighting effects to the object of the background warped through ERI by using the obtained lighting information; and making a result by composing the warped background image with the CG character.
Patent KR-20060049415-A (KR)
Inventor: TAKENAKA KENICHI
IPC: B60N2/66
Filed: 2005-06-21
Abstract: 차량이 추돌당해 착석자가 반동에 의해 후방으로 이동하면, 시트 백 (3) 의 뒤로 기울어진 정도에 상관없이 착석자의 허리부의 후방 이동 하중이 작동력 발생 수단 (10) 의 수압판 (10A, 20C) 으로부터 작동력 발생 기구 (10B) 에 충분히 입력된다.     그리고, 작동력 발생 기구 (10B) 의 종동 부재인 수압 롤러 (10P) 가 인장 케이블 장치 (11, 11) 의 이너 케이블 (11B, 11B) 을 크게 휘어지게 하여 충분히 끌어 당기는 조작을 하여, 헤드레스트 프레임 (7) 의 양 단부를 원활하게 상방으로 이동시킨다.     그 결과, 헤드레스트 프레임 (7) 이 원활하고 확실하게 상방 이동하여, 헤드레스트 (4) 가 착석자의 머리부를 향하여 앞쪽 상방으로 원활하고 확실하게 이동한다.
Patent KR-20060133711-A (KR)
Title: Method of manufacturing thin film transistor substrate for liquid crystal display
Inventor: YOU CHUN GI
IPC: G02F1/136
Filed: 2005-06-21
Abstract: A method for manufacturing a thin film transistor substrate for an LCD is provided to reduce the contact resistance between connected upper and lower metal layers, by forming a contact hole for exposing a lower metal layer, performing thermal treatment, forming an upper metal layer, and forming a passivation layer at a high temperature. An active layer(110) is formed on a substrate(100). A gate insulating layer(122) is formed to cover the active layer. A gate pattern having a gate electrode(120) and a gate line(151) is formed on the gate insulating layer. An interlayer insulating film(160) is formed on the gate pattern. A source contact hole(181), a drain contact hole(191), and a lower gate contact hole(152) are respectively formed in the interlayer insulating film and the gate insulting layer. A thermal treatment is performed on the resultant substrate using a furnace. A data line having a source electrode, a drain electrode, and a lower gate pad are respectively formed on the interlayer insulating film. A passivation layer is formed under an atmosphere having a temperature, at which metal atoms are diffusible in the lower gate pad.
Patent KR-20060046514-A (KR)
Title: A system and process for generating a two-layer, 3d representation of a scene
Inventor: ZITNICK CHARLES III
IPC: G06T13/00
Filed: 2005-06-23
Abstract: A system and process for generating a two-layer, 3D representation of a digital or digitized image from the image and a pixel disparity map of the image is presented. The two layer representation includes a main layer having pixels exhibiting background colors and background disparities associated with correspondingly located pixels of depth discontinuity areas in the image, as well as pixels exhibiting colors and disparities associated with correspondingly located pixels of the image not found in these depth discontinuity areas. The other layer is a boundary layer made up of pixels exhibiting foreground colors, foreground disparities and alpha values associated with the correspondingly located pixels of the depth discontinuity areas. The depth discontinuity areas correspond to prescribed sized areas surrounding depth discontinuities found in the image using a disparity map thereof.
Patent KR-20060135231-A (KR)
Title: The scheme of bit lines on the memory cell array of a memory device
Inventor: KIM DONG SEOK
IPC: G11C11/4097
Filed: 2005-06-24
Abstract: A bit line structure of a memory cell array of a memory device is provided to prevent the memory device from erroneously operating by arranging bit lines in respective different memory cells. First sense amplifies(31,32,33) are arranged at the upper part of a first memory cell matrix(310). Second sense amplifiers(34,35,36) are arranged at the lower part of the first memory cell matrix. The second sense amplifies are also arranged at the upper part of a second memory cell matrix(311). Third sense amplifiers(37,38,39) are arranged at the lower part of the second memory cell matrix. Each sense amplifier is connected to first and second bit line pairs, where the first and second bit line pairs are separately arranged in the same direction and one of the first and second bit line pairs are formed in a folded bit line configuration. The first and second sense amplifiers are alternately arranged. One of the first and second bit line pairs are formed in a folded bit line configuration.
Patent KR-20070000746-A (KR)
Title: System and method for providing of tide information
Inventor: IN JOUNG WHAN
IPC: G06Q50/30
Filed: 2005-06-28
Abstract: A system and a method for offering tide information are provided to offer the tide information of a specific region according to a user request or offer the tide information of the region based on a user location by using a mobile terminal. A controller(210) controls entire operation of a tide information providing system. A database(260) stores the tide information according to the control of the controller. A tide information collector(220) collects and stores the tide information to the database in real-time. A tide information extractor(240) extracts the daily/regional tide information from the database according to the user request. A tide information provider(250) transmits the extracted tide information to the mobile terminal of a user, generates a flood tide warning message based on the tide information stored in the database, and periodically transmits the generated message to the mobile terminal of the user. A user manager(230) stores personal information received from a wired/wireless terminal of the user to the database.
Patent KR-20050074944-A (KR)
Inventor: KIM HO DONG
IPC: G06Q50/02
Filed: 2005-06-28
Abstract: 본 발명은 소매점에서 축산물을 소비자에게 판매할 때 이력관리를 수행하고 있는 이력축산물인지 아니면 일반 축산물인지를 소비자가 즉각적으로 인식할 수 있도록 표시음을 표출하도록 하기 위한 축산물 이력관리에 따른 표시음 표출방법 및 그 장치에 관한 것으로 특히, 축산물 이력관리 시스템에 연결되어진 소매점의 시스템 운영방법에 있어서: 소매점의 시스템이 한개 이상의 라벨프린터기능을 갖는 전자저울과, 전자저울들의 중앙통제를 위한 저울서버, 및 계산대의 POS시스템을 구비하고; 축산물의 종류에 따른 음향 데이터를 구비하는 제 1과정과; 소비자에 의한 주문에 따른 축산물 부분육의 분할 판매시 판매되는 축산물이 이력관리 대상 축산물인가를 확인하는 제 2과정; 및 상기 제 2과정에서 이력관리 대상 축산물이 판매되는 것으로 확인되는 경우 상기 제 1과정을 통해 구비되어진 축산물 종류에 따른 음향을 소매점의 시스템 운영자 또는 판매자 또는 소비자에게 표출하는 제 3과정을 포함하는 것을 특징으로 하는 축산물 이력관리에 따른 표시음 표출방법 및 그에따른 장치를 제공하면 소비자는 자신이 주문 혹은 선택한 상품이 이력관리가 되고 있는 이력축산물인지 아니면 일반 축산물인지를 청각으로 확인할 수 있으며, 그로 인해 구매에 대한 신뢰성을 갖게 되고, 판매자 혹은 운영자의 경우는 실시간으로 판매동향을 파악할 수 있다는 효과가 있다.
Patent KR-20060048740-A (KR)
Inventor: HOSOI YASUNARI
IPC: H01L43/08
Filed: 2005-06-30
Abstract: 가변저항소자는 제1 전극(1)과 제2 전극(3) 사이에 페로브스카이트형 산화물(2)을 설치하여 형성되어, 제1 전극(1)과 제2 전극(3) 사이에 일정 극성의 전압펄스를 인가함으로써 제1 전극(1)과 제2 전극(3) 간의 전기저항이 변화되고, 또한, 전압펄스의 인가에 있어서의 누적펄스 인가시간의 증가에 대하여 저항값의 변화율이 플러스로부터 마이너스로 변화되는 저항이력 특성을 갖는다. 누적펄스 인가시간이, 저항이력 특성에 있어서의 누적펄스 인가시간의 증가에 대한 저항값의 변화율이 플러스로부터 마이너스로 변화하는 특정 누적펄스 인가시간을 넘지 않도록 가변저항소자에 전압펄스를 인가한다.
Patent KR-20060048766-A (KR)
Inventor: ROSENBERG JONATHAN P
IPC: G06F3/0484
Filed: 2005-06-30
Abstract: 문서 미리보기를 생성하기 위한 방법 및 장치가 제공된다.  이 방법에 따르면 미리보기 핸들러는 하나 이상의 프리뷰어에 인터페이스를 제공한다.  프리뷰어는 하나 이상의 문서 타입에 대한 시각적인 미리보기를 생성할 수 있는 소프트웨어 콤포넌트이다.  호스트 애플리케이션으로부터의 문서에 대한 미리보기를 생성하라는 요청에 응답하여, 미리보기 핸들러는 문서에 대한 미리보기를 생성하기 위한 적절한 프리뷰어를 식별하도록 동작한다.  미리보기 핸들러는 그 다음 프리뷰어를 호출하고 프리뷰어에 문서를 로드하고 호스트 애플리케이션을 호출함으로써 제공되는 윈도우의 서브-윈도우에 미리보기를 보여주라고 지시한다.  
       
     문서 미리보기, 미리보기 핸들러, 인터페이스, 프리뷰어, 호스트 애플리케이션
Patent KR-20070003369-A (KR)
Title: A method and apparatus for efficiently utilizing radio resources of voice over internet protocol using predefined length indicator in a mobile telecommunication system
Inventor: KIM SOENG HUN
IPC: H04L12/66
Filed: 2005-07-01
Abstract: A method for controlling a data rate of a voice service in a mobile communication system which supports a voice service through a packet network and a device therefor are provided to enable an RNC(Radio Network Controller) to transmit a DL(Downlink) AMR(Adaptive Multi Rate) rate control message to a terminal, so that the terminal can properly set a CMR(Change Mode Request) field value of a UL(Uplink) VoIP(Voice over Internet Protocol) packet. A control message receiver(930) detects desired DL frame type information of a DL voice CODEC(Coder Decoder) rate control message received from an RNC, and detects desired UL frame type information of a UL rate control message received from the RNC. A CMR field controller(920) determines a CMR field value indicative of a DL rate in accordance with the desired DL frame type information. An AMR rate controller(910) determines a UL rate according to the desired UL frame type information. An AMR header inserter(915) inserts the CMR field value into a header of a UL voice packet. An AMR CODEC(905) converts a voice signal into voice data according to the determined UL rate, and converts voice data included in a DL packet into a voice signal. A transceiver(935) transmits a UL voice packet including the voice data and the header to an RNC, and receives a DL voice packet from the RNC to send the received packet to the CODEC(905).
Patent KR-20070013004-A (KR)
Title: Steering apparatus for a ship
Inventor: KIM YOUNG CHOONG
IPC: B63H25/08
Filed: 2005-07-25
Abstract: A steering apparatus for a ship is provided to maintain a state of a steering handle without holding the steering handle after the steering handle is rotated in one direction. A steering apparatus for a ship includes a speed reduction assembly, a direction regulation assembly, a fixation assembly, and a first assembly. The speed reduction assembly includes a steering shaft(1), a lower case(2), a shaft gear(3), and gears(4). The direction regulation assembly includes a direction regulation plate(5) and a cable(6). The fixation assembly includes an upper case(7) and a rolling support member(8). The first assembly includes a fixation body(9), a ball(10), a compression coil spring(11), and a fixation cover(120). A catching worm gear is formed on the outer peripheral surface having a shaft hole so as to be engaged with the steering shaft. A covering section is extended from the upper surface of the shaft hole. A fixation shaft is formed on the lower surface of the direction regulation plate so as to be engaged with the gears. The cable regulates the direction of a pivot engine section.
Patent KR-20070014620-A (KR)
Title: Membrane/electrode assembly for fuel cell and fuel cell system comprising the same
Inventor: KIM HEE TAK
IPC: H01M8/02
Filed: 2005-07-29
Abstract: Provided are a membrane electrode assembly for a fuel cell which is excellent in the supply of fuel, water and an oxidant at an anode and a cathode and improves the performance of a fuel cell, and a fuel cell system containing the assembly. The membrane electrode assembly comprises an anode and a cathode which face each other; and a polymer electrolyte membrane which is located between the anode and the cathode, wherein at least one of the anode and the cathode comprises an electrode base comprising a carbon fiber and a catalyst layer(102,102'), and the catalyst layer comprises a carbon fiber and the catalyst(103) coated on the carbon fiber(104). Preferably the electrode base has a porosity of 50-95 %, the catalyst layer has a porosity of 20-85 %, and the carbon fiber has a thickness of 1-200 micrometers.
Patent KR-20050090064-A (KR)
Inventor: JUNG TEA SEOK
IPC: E01C5/00
Filed: 2005-08-10
Abstract: 본 발명은 보도블록을 시공할 때 조립식으로 설치할 수 있도록 하여 시공을 간편하게 하고 보도블록에 작용하는 국부하중을 분산시키는 구조로 하여 보도블록의 침하를 방지하도록 한 도로의 조립식 보도시설물 설치구조에 관한 것으로, 인도(30)와 차도(32)의 경계부분에 설치되고 양단에 위치결정돌기(34a)와 위치결정홈(34b)이 형성되며 우측변에 받침턱(34d)이 형성되고 그 받침턱(34d)에 복수의 걸림구멍(34h)이 일정한 간격을 두고 선형으로 형성되는 차도경계블록(34)과; 차도경계블록(34)과 일정한 거리를 두고 설치되며 양단에 위치결정돌기(36a)와 위치결정홈(36b)이 형성되고 좌측변에 받침턱(36d)이 형성되며 그 받침턱(36d)에 복수의 걸림구멍(36h)이 일정한 간격을 두고 선형으로 형성되는 보도경계블록(36)과; 차도경계블록(34)과 보도경계블록(36)에 각각 형성된 받침턱(34d)(36d) 위에 얹혀지고 상면에는 복수의 위치결정핀(42)이 일정한 형태로 반복 설치되며 저면에는 모래(60)에 박히는 복수의 스파이크(44)가 설치되고 양측에는 차도경계블록(34)과 보도경계블록(36)에 각각 형성된 걸림구멍(34h)(36h)에 삽입되어 걸리는 걸림핀(46)(48)이 설치되는 침하방지판(40)과; 침하방지판(40) 상면 설치된 위치결정핀(42)에 결합하도록 복수의 핀구멍(52a)(52b)을 갖는 보도블록(50)으로 구성된 것이다.
Patent KR-20070020668-A (KR)
IPC: G06K17/00
Filed: 2005-08-16
Abstract: 본 발명은 이동 리더기간의 충돌 회피방법에 관한 것으로, 특히 본 발명은 주변 이동 리더기가 태그정보 판독중인지를 확인한 후 태그정보 판독을 개시하는 방식으로 이동 리더기간에 태그 판독이 동시에 수행되지 않도록 하여 여러 이동 리더기가 동일 태그에 대하여 태그정보 판독을 동시에 수행할 경우 발생할 수 있는 이동 리더기 충돌을 보다 효과적으로 회피시킴으로서 태그 판독에 대한 에러율을 최소화할 수 있어 수율을 증가시킬 수 있고, 에너지 효율을 향상 시킬 수 있는 효과가 있다. 
     	이를 위해 본 발명은 이동 리더기에서 태그정보 판독을 시작할 때, 주변 이동 리더기와의 통신을 통하여 주변 이동 리더기가 태그정보 판독 중인지를 판단하고, 주변 이동 리더기가 태그정보 판독 중이면, 주변 이동 리더기가 태그정보 판독이 완료된 후에 태그정보 판독을 개시하는 것을 특징으로 한다.
Patent KR-20070022956-A (KR)
IPC: H01J11/44
Filed: 2005-08-23
Abstract: 본 발명은 플라즈마 디스플레이 장치의 글라스로 소다라임 글라스를 사용하여 재료비를 절감시킬 수 있는 플라즈마 디스플레이 장치에 관한 것으로, 소다라임 글라스 상부에 착색막을 형성하여 급속 열처리 방식 및 집속 복사 스캔닝 방식을 통한 건조나 소성공정시 열적 변형을 방지 할 수 있는 효과가 있다. 
     이러한 본 발명은 전면 또는 후면기판과 전면기판 또는 후면기판에 형성된 착색막과  착색막 상부에 형성된 전극과 이러한 전극 상부에 형성된 유전체층을 포함하는 것을 특징으로 한다. 
       
     플라즈마 디스플레이 패널, 급속 열처리 방식(RTP), 소다라임 글라스
Patent KR-20060051020-A (KR)
Title: Methods and apparatus for forming cable media
Inventor: HOPKINSON WAYNE
IPC: H01B13/32
Filed: 2005-09-05
Abstract: A method for forming a cabling media includes providing a wire pair including first and second conductor members. Each of the first and second conductor members includes a respective conductor and a respective insulation cover surrounding the conductor thereof. The first and second conductor members are twisted about one another to form a twisted wire pair having a twist length that purposefully varies along a length of the twisted wire pair. The method may include: imparting a purposefully varied pretwist to the wire pair using a wire pair twist modulator; and imparting additional twist to the wire pair using a wire pair twisting device downstream of the wire pair twist modulator.
Patent KR-20070025876-A (KR)
Title: Gateway, gatekeeper and server located in voip network and recording medium
Inventor: KIM JAE HYUNG
IPC: H04L12/66
Filed: 2005-09-07
Abstract: A gateway, a gatekeeper, and a server located in a VoIP(Voice over Internet Protocol) network and a recording medium are provided to send predetermined information or data to a terminal having a VoIP module even though the second terminal connected to the terminal equipped with the VoIP module is a wire phone or a cellular phone, thereby remarkably reducing a data communication charge of the second terminal. A receiver(105) receives predetermined command data(or signal) sent from the second terminal(145) through a connected communication network. An information(or data) obtainer(110) obtains response information(or data) corresponding to command data(or signal) that the receiver(105) receives, by associating with a storage medium operation server(125) or a storage medium(130) for associating the command data(or signal) provided from the second terminal(145) with the response information(or data) corresponding to the command data(or signal) to pre-store the associated information. An information(or data) provider(115) provides the obtained response information(or data) to a terminal(140) equipped with a VoIP module(1200).
Patent KR-20070028931-A (KR)
Title: Apparatus for floating prevention of algal clump
Inventor: OH HEE MOCK
IPC: C02F1/40
Filed: 2005-09-08
Abstract: A floating prevention apparatus of algal clump is provided to inhibit the floating of spirogyra and the algal clump clod, thereby maintaining a water purification function of the algal clump by means of a net with a floating prevention weight. A floating prevention sinker(11) is attached with a net(10) made of environmental friendly materials. The net is manufactured by the environmental friendly materials such as a small cord, a cotton yarn string and a nylon string in order to prevent the secondary damage of the water environment. Plural strings are crossed perpendicularly and horizontally so that a net is weaved. The plural floating prevention sinkers are hooked at the net with a constant distance. The materials of the sinker are metal with large specific gravity. The outside of the sinker is coated with plastic or vinyl in order to prevent the corrosion.