baber/WOPTO huggingface dataset:
Patent JP-2008519360-A (JP)
Title: 圧縮リード・オンリ・メモリ・ファイル・システム（ｃｒｍｆｓ）画像の更新
IPC: G06F11/00
Filed: 2005-11-08
Abstract: 【課題】  原画像のブロックの部分レベルの差異検出およびブロック・レベルの更新を含む、ＣＲＡＭＦＳファイル・システム差異検出および更新のためのシステムおよび方法を提供する。 【解決手段】  差異検出および更新は、ＣＲＡＭＦＳファイル・システム構造情報およびブロック情報を用いて、ＣＲＡＭＦＳ画像を部分に分割し、ＣＲＡＭＦＳ分割モジュールからのヒント／リスト・ファイルを用いて、従属性分析を実行する。新ＣＲＡＭＦＳ画像の部分毎にデルタ・ファイルを生成する（部分レベルの差異検出）。デルタ・ファイルは、新ＣＲＡＭＦＳ画像の部分と、当該新ＣＲＡＭＦＳ画像部分が対応する原ＣＲＡＭＦＳ画像の部分との間の差異の情報を含む。デルタ・ファイルをデバイスに転送し、デルタ・ファイルの情報を用いて、デバイスの目標ＣＲＡＭＦＳ画像をブロック毎に更新する。更新により、ホスト・デバイスＲＡＭにおいてブロック内の新ＣＲＡＭＦＳ画像の全部分を再現し、再現したブロックをホスト・デバイスのＲＯＭに書き込む。 【選択図】      図１
Patent JP-2008523077-A (JP)
Title: 収穫種子の品質の改良方法
IPC: A01N53/06
Filed: 2005-12-08
Abstract: 本発明は、種子産生植物から収穫した種子の品質を改良するための方法に関する。当該方法は、種子産生植物の播種前の種子を種子処理殺虫剤で処理し、そして得られた植物を茎葉殺虫剤の茎葉適用により処理し；または種子産生植物の播種前の種子を種子処理殺虫剤で処理し；または種子産生植物を茎葉殺虫剤の茎葉適用により処理することを含んで成る。
Patent JP-2008526103-A (JP)
Title: 所望のマルチメディアコンテンツの選択／取得
IPC: H04H1/00
Filed: 2005-07-08
Abstract: 家庭用電子装置（１０）は、商業ラジオ放送局（７０）が送信する放送信号を受信する受信部（３６）、コントローラ（３０）および通信インターフェース（３２）を備える。ラジオ放送信号は、ユーザにレンダリングされてもよいマルチメディアコンテンツと、マルチメディアコンテンツを特定する情報とを備える。コントローラ（３０）は、マルチメディアコンテンツを特定する情報を使用して、マルチメディアコンテンツのダウンロード要求を生成する。通信インターフェース（３２）は、通信ネットワーク内のサーバ（８０、８８）に要求を送信し、そのサーバは、コンテンツが入手可能な場合、ユーザ指定の装置に要求のマルチメディアコンテンツをダウンロードする。
Patent JP-2008527713-A (JP)
Title: 画像投影システム用ｌｅｄ光源
IPC: H01L33/48
Filed: 2005-12-16
Abstract: 画像投影システム用光源は、高温度動作用にパッケージ化された１個以上のＬＥＤを有する。ＬＥＤダイは、１個以上の熱的接続パッドが底部にあるセラミックでコーティングされた金属ベースを備え、また電気的接続パッドが底部にあるパッケージ上に配置され、各ＬＥＤダイは熱的接続パッドに金属ベースを介して熱的に連結し、電気的接続パッドに電気的に連結する。ＬＥＤはベースの金属上、あるいは金属上の電気絶縁体の薄膜上に直接実装することができる。当該パッケージ化ＬＥＤダイのアレーは金属上の低温同時焼成セラミック技術(ＬＴＴＣ−Ｍ)技術を用いて組立てられ、ＬＴＴＣ−Ｍパッケージ化アレーと称される。側面が先細りしているキャビティの列にＬＥＤを実装し、ＬＥＤからの光を反射する。高温ＬＥＤ光源が、様々な前面及び背面投影システム及びディスプレイにおけるＨＩＤランプに代用でき、特に、背面投影システムに有用である。 【選択図】図１
Patent JP-2008527937-A (JP)
Title: 電子文書に署名情報を追加するための方法および装置
IPC: H04L9/32
Filed: 2006-01-12
Abstract: 【課題】  電子文書に署名情報を追加するための方法および装置を提供する。   【解決手段】  一実施形態において、本発明は、電子文書に署名情報を追加するための方法および装置である。本発明の方法の１つの実施形態は、電子文書に対応する署名データ・フィールド・テンプレート内に署名情報を追加するステップと、追加された署名情報を含む署名データ・フィールド・テンプレートを画像ファイルに変換するステップと、画像ファイルを電子文書上に重畳して署名済みの電子文書を生成するステップと、を伴う。本発明の方法は、電子文書の署名におけるヒューマン・エラーおよびセキュリティ違反の可能性を実質的になくす。 【選択図】  図５
Patent JP-2008529813-A (JP)
Title: 移動ビームを備えるマイクロ機械デバイス
IPC: H01H59/00
Filed: 2006-02-02
Abstract: 本発明は移動ビーム（１）を備えるマイクロ機械デバイスに関し、前記ビームはその２つの端部（２）によって硬質フレーム（３）に対して取り付けられ、硬質フレーム（３）にはそれぞれが２つの端部（５）を有する２つのアーム（４）が設けられている。アーム（４）の端部（５）はそれぞれ移動ビーム（１）の２つの端部（２）に固定される。各アーム（４）は、対応するアーム（４）の２つの端部（５）間に配置された中央部分（６）を有している。各アーム（４）の中央部分（６）の後面はベース支持体（１０）に取り付けられている。フレーム（３）は、ビームの応力状態を調整するための少なくとも１つの応力要素（１１）を備えている。応力要素（１１）は、対応するアーム（４）の前面と後面との間に中心付けることができる。フレーム（３）は、アーム（４）の前面および後面上に互いに対向するようにそれぞれ配置された前側および後側応力要素（１１）の対を備えることができる。
Patent JP-2009164317-A (JP)
Title: Method for manufacturing soft magnetism composite consolidated core
Inventor: MIYAHARA MASAHISA
IPC: B22F3/24
Filed: 2008-01-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a soft magnetism composite consolidated core capable of suppressing reduction in the specific resistance in a surface portion.  <P>SOLUTION: An oxide coating soft magnetism particle constituted of an Mg containing oxide film is mixed with an inorganic binder to be consolidated by a die for manufacturing the soft magnetism composite consolidation core. After the soft magnetism composite consolidation core is removed from the die, its surface is cleaned with an inorganic acid, Fe oxidation scale of the surface is removed, and a soft magnetism metal particle, after consolidation, removes a continuity part which extends along the surface and is formed by plastic deformation. Thus, the inside consolidated soft magnetism metal particle and an oxide film coating it are brought into a state of being exposed to the surface so as to increase the specific resistance.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009160620-A (JP)
Title: Short side shape measuring device for continuously cast slab
Inventor: GOTO TAKATOSHI
IPC: G01B17/06
Filed: 2008-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shape measuring device which can measure the shape of the short side of a continuously cast slab even during the change of its width.  <P>SOLUTION: Disclosed is a shape measuring device for the short side of a slab provided with at least three distance measuring apparatuses each of which is composed of a water column nozzle forming a water column to the short side face of a continuously cast slab and an ultrasonic probe provided at the inside of the water column nozzle and measuring the distance with the short side face of the slab via the water column and which are arranged in parallel in the short side width direction of the slab. The shape measuring device is arranged at the downstream of a slab short side support roll, also, the width data of a mold are tracked, or, on the basis of the distance between the shape measuring device and the short side face of the slab measured immediately before, the distance between the shape measuring device and the short side face of the slab is fixedly controlled.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008148709-A (JP)
Title: Multisignal labeling reagent, labeling method, and quantification method using the same
Inventor: RABBANI ELAZAR
IPC: G01N33/53
Filed: 2008-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multisignal labeling reagents that are useful for a number of biochemical applications, including the manufacture of biomolecular probes and their use in detection or amplifying analyte-specific moieties.  <P>SOLUTION: The composition comprises an oligomer or polymer including the following components: (a) the label component in which one or a plurality of labels are chemically bonded to the oligomers or polymers; (b) one or more of reactive groups and (c) one or more of electrically charged group. The charged groups are covalently bonded to (i) oligomer or polymer, or (ii) a part of oligomer or polymer main chain, or (iii) their combinations.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009171726-A (JP)
Title: Motor control unit and electric power steering system
Inventor: UEDA TAKESHI
IPC: H02P21/00
Filed: 2008-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To drive a brushless motor so as to suppress the generation of torque ripple caused by resistance differences among phases.  <P>SOLUTION: An open loop control unit 22 obtains command voltage values v<SB>d</SB>, v<SB>q</SB>on dq axes based on command current values i<SB>d</SB><SP>*</SP>, i<SB>q</SB><SP>*</SP>on dq axes, the number Φ of armature winding interlinkage magnetic flux and the angular speed ω<SB>e</SB>of a rotor in the motor. A dq axes/three-phase conversion unit 23 converts the command voltage values v<SB>d</SB>, v<SB>q</SB>into phase voltage command values Vu, Vv, Vw. A data acquisition unit 41 obtains angle dependence data indicating dependence on an electrical angle indicated by a second-order harmonic component concerning the electrical angle of the d-axis component or the q-axis component of motor current based on a current detection value i<SB>a</SB>and an electrical angle θ. A correction coefficient determination unit 42 determines a correction coefficient for correcting the phase voltage command values so as to reduce the dependence based on the angle dependence data. A correction execution unit 43 corrects the phase correction values Vu, Vv, Vw obtained by the dq axes/three-phase conversion unit 23 based on the determined correction coefficient.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008197640-A (JP)
Title: Optical device and optical head device
Inventor: OSADA KENSUKE
IPC: G11B7/135
Filed: 2008-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical device having low polarization dependence and an optical head device using the same.  <P>SOLUTION: A liquid crystal lens device 21 has: a liquid crystal layer 29, disposed in between a first transparent substrate 22 and a second transparent substrate 23, and a first electrode layer 24 and a second electrode layer 26, respectively arranged in between these transparent substrates and the liquid crystal layer 29. The liquid crystal layer 29 is constituted of a liquid crystal composition containing a uniaxial liquid crystal and a biaxial liquid crystal, where the liquid crystal composition satisfies inequality: 0.8≤(¾n<SB>x1</SB>-n<SB>y1</SB>¾a)/(¾n<SB>y2</SB>-n<SB>z2</SB>¾b)≤1.2, where (a) represents the content (mol%) of the one liquid crystal in a birefringent material, and (b) represents the content (mol%) of the other liquid crystal in the birefringent material, respectively.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009168182-A (JP)
Title: Vibration control device
Inventor: SOMEYA KATSUMI
IPC: F16F13/18
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vibration control device capable of improving durability of a second elastic body closing a side face opening part.  <P>SOLUTION: The side face opening part 19 opened in a main liquid chamber 24 is formed in a first mounting member 11, and the second elastic body 26 for closing the side face opening part 19 is provided. A fiber 27 for regulating expansion deformation of the second elastic body 26 is bonded to the outer surface of the second elastic body 26.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009166754-A (JP)
Title: Brake control device
Inventor: IIDA MASAHITO
IPC: B60T17/18
Filed: 2008-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a brake control device improving pressure intensifying response of wheel cylinder pressure when booster function is decreased.  <P>SOLUTION: The brake control device executes: a first brake control mode applying pressure from a master cylinder M/C to a first wheel cylinder group, and performing pressure intensifying control of pressure of a second wheel cylinder group by a pump P according to a brake controlled variables; and a second brake control mode performing a pressure intensifying control of pressure of the first wheel cylinder group by the pump P according to the brake controlled variables when decrease in booster function is detected.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009175249-A (JP)
Title: Fixing device and control method therefor
Inventor: FUJIMARU MASAHIRO
IPC: G03G15/20
Filed: 2008-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To securely prevent fixing failure of first recording paper as a result of deprivation of heat of the external surface of a heat roller by a press roller, while minimizing an increase in consumption power in the fixing device of an image forming apparatus.  <P>SOLUTION: A memory 40 stores a first threshold value (Tm1) and a second threshold value (Tm2) lower in temperature than the first threshold value (Tm1) as threshold values to define a driving timing for the heat roller 23. If the external surface temperature (T2) of the press roller 24 exceeds a predetermined temperature (Tc) when an image forming instruction is received, the first threshold value (Tm1) is selected. If the external surface temperature (T2) is equal to or lower than the predetermined temperature (Tc), the second threshold value (Tm2) is selected. When the second threshold value (Tm2) is selected, the heat roller 23 is driven and rotated earlier after the start of the supply of power to a heater 27, compared with the case where the first threshold value (Tm1) is selected.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009175436-A (JP)
Title: Composition for forming resist underlayer film exhibiting barrier property, and method of evaluation barrier property of resist underlayer film
Inventor: ISHIDA TOMOHISA
IPC: C08G59/14
Filed: 2008-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a composition for forming a resist underlayer film exhibiting a barrier property, and a method of evaluation the barrier property of the resist underlayer film by converting it into a proper numeric value.  <P>SOLUTION: This composition for forming the resist underlayer film exhibiting the barrier property, contains a compound having an aromatic ring bonded with at least one hydroxyl group, an organic solvent, and a crosslinking agent. The barrier property of the resist underlayer film is evaluated using results obtained by determining: an amount of a sublimate generated when baking the first resist underlayer single layer in a prescribed condition; an amount of a sublimate generated when forming the second resist underlayer single layer by baking of a prescribed condition; and an amount of a sublimate generated when forming the second resist underlayer on the first resist underlayer by baking in a prescribed condition.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008112471-A (JP)
Title: Information processing apparatus and information processing method
Inventor: SCHWESIG CARSTEN
IPC: G06F3/048
Filed: 2008-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data input means and an interface means which interact with an apparatus when a user physically operates a casing of the apparatus, and is suited to the apparatus.  <P>SOLUTION: A user interface device having a flexible portion includes a 1D analog sensor 102 for detecting the deformation of the flexible portion and a processor unit 108a for detecting one of input states based on the value of the detected deformation and executing a task. The task is related to the selected input state. The input state is related to the dynamic or static positive/negative deformation of the flexible portion.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009173799-A (JP)
Title: Polyester resin
Inventor: TANEDA YUJI
IPC: C08L67/02
Filed: 2008-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polyester resin which has excellent crystallinity irrespective of its low melting point, which is produced with excellent operability, and which is suitably used for, starting from a binder fiber, various uses of adhesives.  <P>SOLUTION: The polyester resin is a polyester made of: a dicarboxylic acid component containing terephthalic acid of 70 mol% or more and an aliphatic dicarboxylic acid of 5-30 mol%; and a diol component containing 1,6-hexanediol of 80 mol% or more, wherein the melting point of the polyester is 100-150°C, the polyester contains a crystalline nucleus agent of 0.01-5.0 mass%, and its DSC curve showing crystallization with temperature lowering determined by DSC satisfies inequality (1): b/a≥0.05(mW/mg×°C).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009173230-A (JP)
Title: Turning resistance device for railroad vehicle
Inventor: SHIMOZAWA KAZUYUKI
IPC: B61F5/24
Filed: 2008-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a turning resistance device in a simple configuration, which gives turning resistance according to a relative turning angle of a truck to a vehicle body.  <P>SOLUTION: The turning resistance device 30 provided for a railroad vehicle 1 having the vehicle body 10 and the truck 20 which are relatively turnable is configured such that a contact 31 provided for one of the truck and the vehicle body and a contact provided for the other abut on each other, a sliding surface 32a on which the contact slides when the vehicle body relatively turns and a pressing means 33 to press the contact against the sliding surface side are provided, and that the sliding surface is formed in such a shape so as to compress the pressing means as the relative turning angle of the truck to the vehicle body increases.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009177707-A (JP)
Title: Output circuit, output method, and electronic equipment
Inventor: SAITO TADAMORI
IPC: H03K17/687
Filed: 2008-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an output circuit or the like, having a simple structure.  <P>SOLUTION: The output circuit 14 has: an output transistor OD having a gate; and a switching element 42 for transmitting the waveform of a first strobe signal STB to the gate according to pixel data LT. The output circuit 14 can further have a signal generation circuit 44 for inputting a second strobe signal XSTB to generate a third strobe signal STB based on the second one. The rise time 72 of the third strobe signal STB is longer than that of the second one XSTB, and/or the rise time 74 of the third strobe signal STB is longer than that of the second one XSTB. The switching element 42 can transmit the waveform of the third strobe signal STB to the gate according to the pixel data LT.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008211194-A (JP)
Title: Semiconductor device
Inventor: NAKASHIBA YASUTAKA
IPC: H01L21/82
Filed: 2008-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To stabilize transmission characteristics in wiring that are destabilized in a conventional semiconductor device.  <P>SOLUTION: The semiconductor device 1 is provided with the wiring 10 and a dummy conductor pattern 20. The wiring 10 is a wiring in which current having a frequency of 5 GHz or higher flows. The dummy conductor pattern 20 is disposed in the vicinity of the wiring 10. A planar shape of the dummy conductor pattern 20 is equal to a diagram having an interior angle of exceeding 180°.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008190039-A (JP)
Title: Method and article relating to high strength erosion resistant titanium alloy
Inventor: THAMBOO SAMUEL VINOD
IPC: F01D5/28
Filed: 2008-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a titanium alloy suitable for use in a turbine rotor blade, particularly a steam turbine rotor blade having a blade length of >45 inches.  <P>SOLUTION: A method of treating an article including a titanium alloy having 5 to 6.5% aluminum by weight; 1.5 to 2.5% tin by weight; 1.5 to 2.5% chromium by weight; 1.5 to 2.5% molybdenum by weight; 1.5 to 2.5% zirconium by weight; and titanium. The method includes heat treating the titanium alloy without exposing the titanium alloy to a β anneal process. The heat treatment includes a forging starting temperature in a specified temperature range, α-β annealing treatment, and aging treatment. There is also an article that has been subjected to a heat treatment process that does not include a β anneal.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009182737-A (JP)
Title: Portable electronic apparatus
Inventor: SHIGETA SAAYA
IPC: G06F3/048
Filed: 2008-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a portable electronic apparatus exhibiting an electronic tag function without deteriorating usability for a user as much as possible even if a display screen is small.  <P>SOLUTION: A control part 17 displays a standby screen on a display part 14, divides the standby screen into a plurality of regions selectable by an operation part 12, can associate with the respective divided regions, processes different from one another and including text information display processing displaying text information previously stored in a storage part 16 and selected by the operation part 12, and reads the associated text information from the storage part 16 to display it on the display part 14, when the divided region corresponding to the text information display processing is selected by the operation part 12 during the display of the standby screen on the display part 14.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008189473-A (JP)
Title: Device for counting printed matter of layer transport flow
Inventor: ZEMP ANDREAS
IPC: B65H43/00
Filed: 2008-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for counting printed matter of a layer transport flow capable of providing high count precision even in an irregular layer transport flow.  <P>SOLUTION: The device for counting the printed matter 1 of the layer transport flow S includes a first measuring means M1 for detecting an edge part 3 of the printed matter orienting in a transverse direction with respect to a propelling direction of the layer transport flow S, and an evaluation unit A for receiving a signal of the first measuring means M1 in order to count the printed matter 1, and includes a second measuring means M2 for detecting a feature of the different layer transport flow S from the edge part of the printed matter. A count result of the first measuring means M1 can be calibrated by the evaluation unit A by using a measurement result of the second measuring means M2.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009183579-A (JP)
Title: Vacuum cleaner
Inventor: NAKAI KOICHI
IPC: A47L9/20
Filed: 2008-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner which permits an automatic dust collector to be immediately operated after cleaning ends and a power switch is turned off.  <P>SOLUTION: The vacuum cleaner immediately operates the dust collector 24 in response to the turning off of the power switch 35. At that time, the cleaner turns off a solenoid 22 and closes a communication hole 20 by an opening and closing lid 21 to reduce the suction force of an electric blower 3 linked with the operation of the dust collector 24. Even if the dust collector 24 is operated simultaneously with the turning off of the power switch 35, it can perform good automatic dusting in a prescribed time without being hindered by the suction force.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009190636-A (JP)
Title: Operating device of air conditioning device for vehicle
Inventor: SUZUKI KAZUHIKO
IPC: B60H1/00
Filed: 2008-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compactly composed operating device of an air conditioning device for a vehicle by arraying a plurality of dials for mechanically switching-over the air conditioning device in a reduced space while keeping ease of mechanical operability of the air conditioning device.  <P>SOLUTION: The operating device includes a first shaft member jointed to the first operation dial 20 and a second shaft member jointed to the second operation dial 22 coaxially with the first shaft member. A flat first rotating member 36 that is mechanically jointed to a first working member is jointed to the other end of the first shaft member to axially rotate in the different direction from the first and second shaft members. A flat second rotating member 40 that is mechanically jointed to a second working member is jointed to the other end of the second shaft member to axially rotate in the different direction from the first and second shaft members.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009195808-A (JP)
Title: Circulating water reuse apparatus and reuse method in cooling system for open circulating system
Inventor: TSUJIMOTO WATARU
IPC: C02F1/44
Filed: 2008-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method in a circulating water cooling system of an open circulating system in which salt crystallization and development of organisms are prevented, a stable circulating water quality is maintained, sticking of polluting matters including oil is prevented, the development of microorganism is restrained and which is cheap and easy for maintenance control.  <P>SOLUTION: Part of the circulating water of an open circulating system in the steel industry is branched at a bypass tube, filtered and separated at a reverse osmosis membrane. The filtered water is reused as a water for steel process which carries out cooling of a roll or a hydraulic apparatus at the steel facilities, and carries out dilution of a rolling oil or a chemical. Part of the enriched drain is flowed into an electrolyte tank which is separated by a diaphragm having an ion permeability. An acid electrolytic water generated at the anode side of the electrolyte tank and an alkali electrolyte water generated at the cathode side are mixed into the circulating water alternately, and injected into a cooling tower intermittently. By doing this, sticking of polluting matters including oil to the cooling tower cell or the circulation piping is prevented and the development of microorganisms is restrained.  <P>COPYRIGHT: (C)2009,JPO&INPIT