baber/WOPTO huggingface dataset:
Patent JP-2010515334-A (JP)
Title: 無線通信システムにおいて制御チャネルをモニターリングする方法
IPC: H04J11/00
Filed: 2008-03-17
Abstract: 【課題】無線通信システムにおいて端末のバッテリ消耗を縮める方法を提供する。 【解決手段】無線通信システムにおいて制御チャネルをモニターリングする方法は、モニターリング区間の間にＰＤＣＣＨ(Physical Downlink Control Channel)をモニターリングする段階を含み、前記モニターリング区間はＤＲＸ(DiscontinuousReception)周期の一部であり、前記ＤＲＸ周期は非モニターリング区間が続く前記モニターリング区間の周期的反復を定義する。ＤＲＸ周期(period)を用いた制御チャネルモニターリングを介して端末のバッテリ消耗を減らし、端末の使用時間を延ばすことができる。 【選択図】図６
Patent JP-2010519802-A (JP)
Title: オブジェクト基盤オーディオサービスのための多重オブジェクトオーディオコンテンツファイルの生成、編集、および再生方法と、オーディオプリセット生成方法
IPC: H04S5/02
Filed: 2008-02-18
Abstract: 本発明は、オブジェクト基盤オーディオサービスのための多重オブジェクトオーディオコンテンツファイルの生成、編集、および再生方法と、オーディオプリセット生成方法に関する。本発明の多重オブジェクトオーディオコンテンツファイル生成方法は、オーディオコンテンツを構成するそれぞれのオブジェクトに対して複数のフレームを生成するフレーム化ステップと、生成されたフレームを再生時刻を基準としてグループ化して格納することによって多重オブジェクトオーディオコンテンツファイルを生成するコンテンツファイル生成ステップとを含む。本発明は、オブジェクト基盤オーディオサービスの機能を増大させ、オーディオコンテンツファイルの各オブジェクトへのアクセスの容易性を増加させる。
Patent JP-2010519439-A (JP)
Title: 乾式温水暖房を用いた暖房構造及びその施工方法
IPC: E04F15/18
Filed: 2008-02-20
Abstract: 本発明は、建物内部の乾式温水暖房構造とその施工方法において建物に荷重を与えずに乾式施工することにより、施行期間を短縮し、並びに高度な熟練工への請負を排除し、組み立て式の施工を通じて、各層の間の騒音の伝達を遮断し、急速暖房を可能にしつつ、床の高さを最低限にすることにより衝撃を緩和できるものである。壁面には所定の間合で複数のブラケットを壁面に固定しながら設置した後、ブラケットの前面には補助ブラケットが設置され、補助ブラケットの前面には縁枠が設置され、縁枠の上部には石膏ボードが設置され、床面にはショックアブソーバが設置され、順次にその上に水平梁フレーム、騒音断熱材及び床下フレームが設置され、床下フレームの上に暖房パイプ、床上フレーム、炭マットパネル、水脈防止用のオンドルの床が設置された後、壁の前面に仕上げ枠が設置され、その前面に仕上げキャップが設置される。 【選択図】図１
Patent JP-2010519332-A (JP)
Title: 新規ホスホジエステラーゼ阻害剤
IPC: C07D491/113
Filed: 2008-02-26
Abstract: 本発明は、式I：     ［式中、X、A、G、E、R 1 、R 2 、R 3 は明細書に定義されるとおりである］ で示される化合物、および医薬的に許容されるその塩、水和物、N-オキシドまたは溶媒和物に関する。該化合物は、ホスホジエステラーゼ阻害剤、特にPDE4阻害剤として用いられる。本発明は、医療に使用される該化合物、該化合物を含有する医薬組成物、該化合物を用いる疾患（例えば皮膚疾患）の処置方法、ならびに薬剤の製造における該化合物の使用にも関する。
Patent JP-2010520248-A (JP)
Title: Ｃ末端での抗体ポリペプチドのカップリング
IPC: C07K16/00
Filed: 2008-02-08
Abstract: 本発明は、抗体断片を二量体化する方法、抗体断片二量体、抗体断片二量体を含有する薬学的組成物、並びに治療用途のための医薬におけるそれらの使用に関する。記載された方法は、二重特異性抗体及び／又はその二重特異性断片の生成に有利に使用可能である。
Patent JP-2010520279-A (JP)
Title: 加水分解耐性の有機修飾トリシロキサン界面活性剤
IPC: C09D7/45
Filed: 2007-03-08
Abstract: 基本式：ＭＤＭ’を有する３つのタイプのトリシロキサン界面活性剤が記載され、ここで異なるＭおよびＭ’基上の置換基がＤ基上のペンダントポリアルキレンオキシド置換基とともに、界面活性剤をｐＨ６．０から７．５のｐＨ範囲の外側の塩基性または酸性条件下において加水分解耐性にする。組成物は農業用、家庭用、および化粧用の用途において有用である。 【選択図】なし
Patent JP-2010521710-A (JP)
Title: 案内部に沿って個別的なつり合い質量体を備えるカラーホイール
IPC: G02B5/20
Filed: 2008-02-29
Abstract: 本発明は、つり合い装置を備えるカラーホイールに関する。つり合い装置は、円形の案内部と、これに配置された、案内部に沿って可動の少なくとも２つのつり合い質量体とを含んでいる。つり合い質量体の運動性は、その自重のもとで動くことがないように制限されている。本発明は、カラーホイールをつり合わせる方法も同じく対象としており、この方法によれば、まずつり合い質量体を案内部に配置して、これらのつり合い質量体により形成されるつり合い質量体システムの重心がカラーホイールの回転軸に位置するようにする。次いで不つり合いを測定して位置を判定し、つり合い質量体を案内部に沿って変位させることによって、この特定の位置へとつり合い質量体システムの重心を変位させる。
Patent JP-2010161366-A (JP)
Title: Gas contamination sensor, lithographic device, method of determining level of contaminant gas and method of manufacturing device
Inventor: STEINHOFF JENS ARNO
IPC: H01L21/027
Filed: 2010-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas contamination sensor capable of monitoring the level of contaminant substance in a lithographic device.  <P>SOLUTION: The gas contamination sensor includes an ion source which produces ion beam from the sample of gas to be tested, a first and a second ion detectors while respective first and second ion detectors receive ion from ion beams deflected in different ranges. The first ion detector receives ion produced from primary gas in the gas to be tested while the second ion detector receives the ion produced from the contaminant substance gas in the sample to be tested.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011140774-A (JP)
Title: Transparent sound insulating board
Inventor: OGURA KOJI
IPC: E01F8/00
Filed: 2010-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a transparent sound insulating board which is excellent not only in weatherability and impact resistance hardly causing scattering of broken pieces, even when it is broken by receiving a strong impact but also in transparency and visibility.  <P>SOLUTION: This transparent sound insulating board includes an acrylic resin layer (A), a flexible epoxy resin layer, and an acrylic resin layer (B). In the transparent sound insulating board, the acrylic resin layer (A), the flexible epoxy resin layer, and the acrylic resin layer (B) are stacked in this order. Preferably, at least one of the acrylic resin layers (A) and (B) contains a phosphoric ester. Preferably, the phosphoric ester is a halogenated phosphoric ester.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011146893-A (JP)
Title: Image processing device, imaging apparatus, and image processing program
Inventor: KUNIBA HIDEYASU
IPC: H04N9/07
Filed: 2010-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To perform interpolation processing of a color filter array image influenced by noise with high precision.  <P>SOLUTION: An image processing device performs data interpolation of the color filter image obtained by detecting one of a plurality of color components in each pixel by a color image sensor in which the color filter 4 with a plurality of different transmission characteristics is arranged on the front surface of an image sensor 6. The image processing device includes: a photographing condition acquisition means 9 for acquiring photographing conditions in the color image sensor; a band division-setting means 8 for changing division of a frequency band according to the photographing conditions; an extraction means 8 for extracting luminance and a plurality of color difference components by dividing the frequency band of the color filter image; and a color conversion means 8 for performing color conversion to predetermined color components using the luminance and the plurality of color difference components.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010192883-A (JP)
Title: Optical and electric combined substrate and method of manufacturing optical and electric combined substrate
Inventor: FUJIWARA MAKOTO
IPC: H05K3/28
Filed: 2010-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical and electric combined substrate that can protect an optical device and a driving device and advantageous for miniaturization, and the method of manufacturing the optical and electric combined substrate.  <P>SOLUTION: The optical and electric combined substrate 1 includes: a flexible substrate 10 constructed by a flexible plate member which is bent at a bending portion 104 on the midway of plate and has a first flat part 106 formed close to an edge than the bent portion 104, and a second flat part 105 formed close to another edge from the bent portion 104 and facing the first flat part 106 via a space 103; an optical element 50 disposed at a part of the first flat part 106 adjoining to the space 103; and an electric element 60 disposed at a part of the second flat part 105 adjoining to the space 103 and electrically connected to the optical element 50 to drive the optical element 50, wherein the space 103 is filled with a filling material 3.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011142890-A (JP)
Title: Alcoholic beverage with reduced irritant odor of alcohol
Inventor: KUDO MIKA
IPC: C12G3/04
Filed: 2010-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an excellent means for reducing an irritant odor of alcohol in an alcoholic beverage containing gaseous carbon dioxide even among low-caloric alcoholic beverages, particularly a packaged beverage.  <P>SOLUTION: Thickening polysaccharides are included in the low-caloric alcoholic carbonated beverage.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011151275-A (JP)
Title: Nitride semiconductor light emitting element, and electronic device
Inventor: NOZU SHUNSUKE
IPC: H01L33/32
Filed: 2010-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nitride semiconductor light emitting element that has superior light emission characteristics and life characteristics.  <P>SOLUTION: The nitride semiconductor light emitting element includes an active layer composed of a quantum well layer "a", a barrier layer "b" and an intermediate layer "c", wherein the intermediate layer "c" is disposed between the quantum well layer "a" and barrier layer "b", the quantum well layer "a" includes "In", and the intermediate layer "c" includes oxygen, a concentration of the oxygen in the intermediate layer c being ≥1×10<SP>17</SP>cm<SP>-3</SP>.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011148468-A (JP)
Title: Simulation method and simulation device
Inventor: OSAWA YASUO
IPC: B60C19/00
Filed: 2010-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simulation method and a simulation device capable of analyzing a deformation state of a tire with a high degree of accuracy.  <P>SOLUTION: The simulation method includes a step S101 for setting a tire model 1, a step S102 for setting material constants for a belt layer model 2 and a ply layer model 3 composing the tire model 1 and a step S103 for calculating an evaluation value by a simulation using the tire model 1. In the step S101, in the belt layer model 2, an angle formed by an axial direction D<SB>A</SB>of a reinforcing code in a center region A and a circumferential direction D1 of the tire model 1 is set to be smaller than an angle formed by axial directions D<SB>B</SB>, D<SB>C</SB>of the reinforcing code in the shoulder regions B, C and the circumferential direction D1 of the tire model 1. In the step S102, elastic moduli in the axial directions D<SB>A</SB>to D<SB>C</SB>of the reinforcing code which should be set for the ply layer model 3 as the material constants are changed within a range in which distortions in the axial directions D<SB>A</SB>to D<SB>C</SB>of the reinforcing code of the ply layer model 3 are smaller than a predetermined threshold value.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011153036-A (JP)
Title: Optical glass and optical element
Inventor: TAGUCHI YOSHIHITO
IPC: C03C3/21
Filed: 2010-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical glass which has optical constants such as a refractive index (nd) of 1.51-1.59 and an Abbe's number (νd) of 60-67, a glass transition temperature (Tg) of 480°C or less, a specific gravity of 3.0 or less and excellent weather-resistance.  <P>SOLUTION: The optical glass (all mass%) in terms of oxide includes P<SB>2</SB>O<SB>5</SB>:35-44.5%, Al<SB>2</SB>O<SB>3</SB>:8.5-20%, B<SB>2</SB>O<SB>3</SB>:3-16%, SiO<SB>2</SB>:0-3.5%, BaO:0-20%, SrO:0-15%, CaO:6.5-20%, MgO:0-15%, ZnO:0.1-22%, Li<SB>2</SB>O:0-0.5%, Na<SB>2</SB>O:3-20%, K<SB>2</SB>O:0-20%, TiO<SB>2</SB>:0-2%, ZrO<SB>2</SB>:0-10%, and Ta<SB>2</SB>O<SB>5</SB>:0-7%, on condition that BaO+SrO+CaO+MgO+ZnO:14-35%, Li<SB>2</SB>O+Na<SB>2</SB>O+K<SB>2</SB>O:6-24% and Al<SB>2</SB>O<SB>3</SB>+SiO<SB>2</SB>+CaO+MgO+ZrO<SB>2</SB>+Ta<SB>2</SB>O<SB>5</SB>:15-35%.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011154522-A (JP)
Title: System and method for supporting simulation
Inventor: ITO YASUHIRO
IPC: G06F11/28
Filed: 2010-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate management while avoiding occurrence of trouble between simulators introduced to a simulation system providing a simulation service, configured by a large number of computers.  <P>SOLUTION: The simulation support system includes a mechanism for distributing and introducing software to a plurality of kinds of operating system to avoid trouble among pieces of software, and generating a set of the operating systems satisfying a request of a user when executing simulation. By testing correlation of non-verified simulators, simulation performance is optimized.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011152723-A (JP)
Title: Mold apparatus for injection molding and injection molding method
Inventor: ISHIZU SEIICHI
IPC: B29C45/40
Filed: 2010-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mold apparatus for injection molding and a molding method which reduce the possibility of occurrence of poor appearances in the periphery of hard-to-release parts during releasing the hard-to-release parts of an injection molding.  <P>SOLUTION: The mold apparatus includes a movable-side template 110b having a through-hole 113b and an outer concave portion 115b corresponding to the outside of the outer wall of a tubular portion 11 formed in the peripheral edge of the through-hole 113b, a fixed-side template 110a combined with the movable-side template 110b so as to form a cavity C, with the through-hole 113b communicating with between the movable-side template 110b and the cavity C, a movable insert 130b inserted into the through-hole 113b in a freely movable way and having, at the tip, an inner concave portion 131b corresponding to the inside of the outer wall of the tubular portion 11, a clamping device 400 positioning and fixing the movable insert with the outer concave portion 115b and an inner concave portion 131b in a combined state and a coil spring 140b releasing the movable insert 130b from the inside of the outer wall of the tubular portion 11 when the positioning and fixing operation is released.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011157451-A (JP)
Title: Polyol mixture, and polyurethane using the mixture as raw material
Inventor: TANIGUCHI TAKANORI
IPC: C08G18/61
Filed: 2010-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polyol mixture having excellent uniformity, and suitable for the production of a polyurethane or a polyurethaneurea extremely useful for an elastic fiber, film or the like having high separability.  <P>SOLUTION: The polyol mixture containing a polysiloxane polyol having a specific structure and a polyether polyol has 0-10 ppm of a content of a metal having hydrosilylation ability in the polyol mixture. The polyurethane is obtained by using the mixture of the polyols, a polyisocyanate compound and a chain extender as raw materials.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010151137-A (JP)
Title: Vane for impeller, impeller using the vane, and axial flow fan using impeller
Inventor: BRADBURY PHILLIP
IPC: H02K11/00
Filed: 2010-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an axial flow fan reducing shaft width while maintaining a performance parameter and restriction of design.  <P>SOLUTION: The axial flow fan 100 is provided with a print circuit board mounted with a circuit for operating a motor. A voltage adjustment unit IC for a two-pole type winding motor and a drive IC are mounted on the print circuit board. A fan housing 70 is adopted as a heat sink for the voltage adjustment unit. The axial flow fan is further provided with a plurality of vanes 11 for cooling electronic components, and the vane is provided with a plurality of particularly designed wing components. The respective components have a cross section shape characterized by the maximum wing thickness substantially consistently arranged between from approximately 19% chord of the wing to approximately 20% chord of the wing and the maximum camber substantially consistently arranged between from approximately 45% chord of the wing to approximately 46% chord of the wing along the substantially whole length. The circuit, the housing and the vane are designed such that the width of the axial flow fan is reduced while maintaining the performance parameter and restriction of the design.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011156624-A (JP)
Title: Apparatus and method for removing broaching cutting chip
Inventor: FUJITA YOSHIHITO
IPC: B23Q11/00
Filed: 2010-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and method for efficiently removing broaching cutting chips attached in a blade groove, by advancing a brush to the innermost part of the blade groove of the broach.  <P>SOLUTION: Provided is the broaching cutting chip removing apparatus for removing cutting chips from a broach 11 in which cutting blades 12 are provided in multiple steps in its axial direction at even intervals. The apparatus is equipped with: a motor 22 for moving the broach 11 in the axial direction; a brush 33 threadedly planted in the same leads as the pitches of the cutting blades 12, and engaged with blade grooves 13 formed between the cutting blades 12; a motor 41 for rotating the brush 33 about its axial center; and an NC device 51 for controlling the broach moving motor 22 and the brush rotating motor 41 so that the blade grooves 13 and the brush 33 are engaged with each other.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011158395-A (JP)
Title: Detection method and detector of information on cross-sectional structure of paper sheet
Inventor: FUJIWARA KAZUO
IPC: G01N21/17
Filed: 2010-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To detect information on the cross-sectional structure of sheets through the use of Optical Coherence Tomography (henceforth, OCT).  <P>SOLUTION: Sheets to be detected 10 set in a transfer mechanism 20 are irradiated with low-coherence light from an OCT signal detector 30 to receive light reflected from the sheets 10 and to detect the intensity of interfering light (to detect OCT raw signals) acquired inbetween with reference light. Acquired OCT raw signals are provided for a data processing and determiner 50 to perform profile computation processing in the depth direction of reflectance (S1), profile analysis processing in the depth direction of reflectance (S2), and determination processing (S3) as data processing and determination processing.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011157523-A (JP)
Title: Coating liquid for use in transparent high-gas barrier film, and coating film obtained by using the same, as well as laminate film
Inventor: EBINA TAKEO
IPC: B32B9/00
Filed: 2010-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coating liquid for use in a transparent high gas-barrier film; and a coating film obtained by using the same; as well as a laminate film.  <P>SOLUTION: The coating liquid comprises principal solid components of a synthesized smectite and a sodium salt of carboxymethyl cellulose, and a principal liquid component of a solvent of water or of water and alcohol; the coating film is made by applying, drying and adhering this coating liquid onto a substrate of a plastic film or the like; furthermore the laminate film is made by laminating an inorganic substance on this coating film by means of vacuum-deposition method or the like. There are provided the coating liquid to give a coating film having the gas barrier property and the excellent transparency and flexibility, and the coating film obtained by using the same, as well as the laminate film with steam-barrier property, in the packaging materials and surface protective materials for foodstuffs, medicinal supplies, chemicals, and precision electronic parts, etc.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011163366-A (JP)
Title: Vibration control device
Inventor: KOBORI TATSUYA
IPC: F16F1/38
Filed: 2010-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To suppress noise and damage of first mounting members caused by looseness between the first mounting members and a bracket member.  <P>SOLUTION: A vibration control device 1 includes the bracket member 3 connected to one of a vibration generator and a vibration receiver, and vibration control members 2A, 2B. The vibration control members 2A, 2B include the cylindrical first mounting members 20A, 20B fitted to the inside of a fitted part 30 provided at the bracket member 3, and connected to one of the vibration generator and vibration receiver through the bracket member 3; second mounting members 21A, 21B connected to the other of the vibration generator and vibration receiver; and elastic bodies 22A, 22B elastically connecting the first mounting members 20A, 20B to the second mounting members 21A, 21B. A collar 6 internally mounted to the fitted part 30 and externally mounted to the first mounting members 20A, 20B is interposed between the inner peripheral surface of the fitted part 30 and the outer peripheral surfaces of the first mounting members 20A, 20B.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011164814-A (JP)
Title: On-vehicle controller
Inventor: FUJIMOTO SHINYA
IPC: G06F7/38
Filed: 2010-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To prevent control failures in control even if a computational result of data in a floating-point format becomes a nonnumeric number and in other control.  <P>SOLUTION: In an intake control initialization step (step S1301), a CPU initializes a variable at which a nonnumeric number is generated, and collectively initializes variables when they are affected by the variable at which the nonnumeric number is generated, such as variables calculated on the basis of the variable. The variables initialized in a main process may not necessarily be all variables used in the intake control process. Variables affected by the variable at which the nonnumeric number is generated, for example, variables that secondarily become nonnumeric numbers when a certain variable becomes a nonnumeric number, may also be initialized. Other optional variables may be the subject of initialization.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011165247-A (JP)
Title: Electronic device
Inventor: WAKASA TAKAHIRO
IPC: G11C11/406
Filed: 2010-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique which prevents performance degradation of a DRAM based on refreshment.  <P>SOLUTION: An electronic device 100 includes a memory control circuit 130 that performs: a first distributed refresh process for issuing refresh commands to the DRAM 140 at a predetermined interval so that storage elements of which the DRAM 140 is configured are refreshed at least once in a predetermined period Ts; a concentrated refresh process which is triggered by a predetermined request to the DRAM 140 and issues the refresh command a predetermined number of times Nc intensively at an interval that is shorter than the predetermined interval; and a second distributed refresh process for, when the refresh command has been issued the predetermined number of times Nc, calculating a refresh interval Tr for refreshing remaining storage elements that have not yet been refreshed in the predetermined period Ts and issues the refresh commands at the calculated refresh interval Tr.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011165253-A (JP)
Title: Optical disk device
Inventor: SATO NOBUAKI
IPC: G11B7/09
Filed: 2010-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device wherein satisfactory focus servo control is performed by reducing an adverse effect of the leakage of a TE signal to an FE signal.  <P>SOLUTION: With respect to the FE signal of a DAD system, when the signal is generated by adding the FE signal of a sub focus system to that of a main focus system, a multiplier coefficient K to the error signal of the sub focus system is so adjusted as to minimize the amplitude of the FE signal or automatically adjusted in a predetermined period, thereby minimizing the influence of the leakage from the TE signal to the FE signal.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011169665-A (JP)
Title: Flow velocity measuring method and ultrasonic flowmeter
Inventor: ITO KITARU
IPC: G01P5/00
Filed: 2010-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To highly accurately measure a flow rate by deciding a transmission frequency at which flow rate measurement errors are minimal.  <P>SOLUTION: A vibrator 31 is attached to a reflector 5, and the relation between the transmission frequency of the vibrator 31 and the signal strength of a reflection signal reflected and sent from the reflector 5 is acquired with respect to a predetermined transmission frequency range. Moreover the vibrator 31 is attached to a pipe for flow measurement, and the relation between the transmission frequency of the vibrator 31 and the signal strength of a reflection signal from the pipe itself or its transmission signal is acquired with respect to the predetermined frequency range. Next, this signal strength is divided by the strength of the reflection signal from the reflector 5, and based on the relation between the signal strength after the division and the transmission frequency of the vibrator 31 an optimum transmission frequency is decided. A flow velocity is measured by the transmission frequency.  <P>COPYRIGHT: (C)2011,JPO&INPIT