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公开(公告)号：JPH02268228A
公开(公告)日：1990-11-01
申请号：JP8963189
申请日：1989-04-11
Applicant: TORAY INDUSTRIES
Inventor： KATO TOMIO , HASHIMOTO NOBUO , TAKEDA SHUZO
Abstract: PURPOSE:To prevent damages of a piezoelectric film and to measure flow rates highly sensitively by introducing fluid pressures into pressure chambers on both sides of the macromolecular piezoelectric film through two curved introducing paths, and detecting the differential pressure on both sides with the piezoelectric film. CONSTITUTION:Fluid from the element part of a flowmeter is introduced into pressure chambers 7 and 8 on both sides of a macromolecular piezoelectric film 2 through input nozzles 16 and 17 and curved introducing paths 14 and 15. The reverse differential pressures alternately act on both surfaces of the film 2. The film 2 is deformed alternately. Electric charges are generated in electrode layers 3 and 4 of the film 2 by spontaneous polarization, and the alternating potential difference is generated. The potential difference is transmitted to an amplifier 20 through holder electrodes 5 and 6 and lead wires 18 and 19. A voltage signal is outputted from the amplifier 20. Therefore, the minute fluctuation in pressure can be detected highly sensitively, and the damages of the film 2 due to foreign matters in the fluid can be prevented. The flow rate can be measured highly sensitively with a simple structure.
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公开(公告)号：JP2001015030A
公开(公告)日：2001-01-19
申请号：JP18596999
申请日：1999-06-30
Applicant: TORAY INDUSTRIES
Inventor： SASAMOTO HIROMASA , KIMURA KATSUMI , TAKEDA SHUZO
Abstract: PROBLEM TO BE SOLVED: To provide a device for accurately detecting color irregularity by radiating ultraviolet to an RGB phosphor layer, arranging an image pickup means so that an angle between the image pickup direction and a rear plate is in a specific range, detecting light emission from the RGB phosphor layer, outputting a video signal, comparing the video signal with a predetermined reference value, and determining the quality of a coated state of the RGB phosphor layer. SOLUTION: An angle between the image pickup direction and a rear plate 1 is preferably in a range of 5-45 degrees. Image pickup devices 6a-6c decompose a certain range on a plasma display panel rear plate 1 into picture elements, luminance for each picture element is measured, converted to a video signal, and transmitted to an image processing device 8. Light receiving elements are one-dimensionally arranged and stored in the image pickup devices 6a-6c, and one-dimensionally output video along a stripe direction of an RGB phosphor. As the image pickup devices 6a-6c, color line sensor cameras are used. The pickup devices 6a and 6b inspect color irregularity and detect light emission from a side surface of the phosphor layer.
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公开(公告)号：JP2000304651A
公开(公告)日：2000-11-02
申请号：JP11782999
申请日：1999-04-26
Applicant: TORAY INDUSTRIES
Inventor： SASAMOTO HIROKATA , KIMURA KATSUMI , HIRATA HAJIME , TAKEDA SHUZO , TSUDA TAKAHARU
Abstract: PROBLEM TO BE SOLVED: To reduce the generation of ozone by detecting the emission of a fluorescent substance for every coating position with a photo detector that is arranged one- dimensionally and comparing an image signal to be outputted with a specific reference value. SOLUTION: When a carrying device 3 carries a rear-surface plate 1 to an image pickup position, it gives a rear-surface plate approach signal to a control device 10. The control device 10 gives an image read start signal to an image-processing device 8, and the image-processing device 8 starts reading an image signal that is outputted from an image pickup device 6. An RGB signal amplification device 9 amplifies each RGB signal with a magnification being determined for each type for an image signal being inputted from the image pickup device 6 and outputs the signal to be image- processing device 8. The image-processing device 8 stores an image signal and detects a defect that is generated in the rear-surface plate 1 by image processing, thus installing an ultraviolet ray application means close to the rear-surface plate, reducing the intensity of ultraviolet rays, and maintaining a specific inspection performance. Also, the need for an ozone treatment facility is eliminated to reduce the cost.
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公开(公告)号：JPH075112A
公开(公告)日：1995-01-10
申请号：JP4245594
申请日：1994-03-14
Applicant: TORAY INDUSTRIES
Inventor： TAKEDA SHUZO , NAGAYAMA TAKASHI , KAWADA ISAMU
IPC: G01B11/24 , A61M1/18 , B01D63/02 , G01B11/245 , G01N21/88 , G01N21/93 , G01N21/952
Abstract: PURPOSE:To allow easy and highly accurate detection of abnormal hollow fiber in the resin agent layer of a hollow fiber module. CONSTITUTION:A resin agent layer C1 is irradiated, on the side face thereof, with light emitted from a light emitting ring section 202 and the light, reflected on an abnormal hollow fiber toward the end face of the resin agent layer C1, forms a high quantity of light part thereon. A quantity of light measuring unit 3 measures the quantity of light on the end face of the resin agent layer C1 and a binarizing section 403 separates a part having luminance higher than a predetermined threshold. When an deciding section 503 makes a decision that the total area of high luminance part exceeds a reference value, an operating section 7 delivers a command for discriminating the inspected hollow fiber module M. A display section 6 displays the decision results. This equipment allows highly accurate automatic detection of the presence of abnormal hollow fiber.
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公开(公告)号：JPH02268229A
公开(公告)日：1990-11-01
申请号：JP8963289
申请日：1989-04-11
Applicant: TORAY INDUSTRIES
Inventor： KATO TOMIO , TAKEDA SHUZO , HASHIMOTO NOBUO
Abstract: PURPOSE:To remove a noise component and to make it possible to detect pressure highly accurately applying a first pressure on both surfaces of one of two piezoelectric elements, applying first and second pressures on both surfaces of the other alternately, and offsetting the outputs of both elements. CONSTITUTION:A fluid pressure P1 is introduced to both surfaces of a piezoelectric element 2 and to one surface of a piezoelectric element 3 from one outlet port of the element part of a flowmeter through a nozzle 29 and an introducing path 33. A pressure P2 from another outlet port is introduced to the other surface of the element 35 through a nozzle 30 and an introducing path 35. Therefore, the pressures P1 and P2 are alternately applied to the element 3, and the potential difference due to the deformation is generated on both surfaces. The same pressure P1 is applied on both surfaces of the element 2. The output which is obtained by subtracting the output of the element 2 from the output of the element 3 is sent into an amplifier 5. A detected pressure-fluctuation signal is outputted. A noise component is removed with the element 2 at the same time. Thus, the highly accurate pressure detection without the effect of the noise can be performed.
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Patent Agency Ranking
公开(公告)号：JPH08271240A
公开(公告)日：1996-10-18
申请号：JP7632295
申请日：1995-03-31
Applicant: TORAY INDUSTRIES
Inventor： TAKEDA SHUZO , NAGAYAMA TAKASHI
Abstract: PURPOSE: To detect accurately at high speed recessed parts such as air bubble mark, etc., generating on the end face of a resin agent layer in a hollow fiber module. CONSTITUTION: A slit light from a light irradiating device 2 is radiated on the slit irradiated part prepared on the end face C11 of a resin agent layer, and the reflecting light from the slit irradiated part is directed to a light measuring device 3 thereafter. The device 3 measures the one-dimensional luminance distribution on the slit irradiated area, prepares a picture data through vertical scanning, and constitutes a two-dimensional picture thereby.
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公开(公告)号：JPS615735B2
公开(公告)日：1986-02-20
申请号：JP2556576
申请日：1976-03-11
Applicant: Toray Industries
Inventor： TAKEDA SHUZO , BANDO MOTONOBU , YAMAGUCHI KATSUHIKO
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公开(公告)号：JPH075113A
公开(公告)日：1995-01-10
申请号：JP5354194
申请日：1994-03-24
Applicant: TORAY INDUSTRIES
Inventor： TAKEDA SHUZO , NAGAYAMA TAKASHI , KAWADA ISAMU
IPC: G01B11/24 , A61M1/18 , B01D63/02 , G01N21/88 , G01N21/952
Abstract: PURPOSE:To allow highly accurate detection of a depression DP, e.g. a mark of bubble, made in the end face of resin agent layer in a hollow fiber module. CONSTITUTION:A light projection unit 2 projects a slit light onto a slit-like part set on the end face C11 of a resin agent layer C1 and the reflected light impinges on a photometric unit 3 which measures the luminance within a window set in the incident region corresponding to the slit-like part for each pixel. The intensity of slit light is set 1-4 times as high as the intensity of light at a moment when the luminance of at least a part of pixel in the window begins to saturate. The luminance of each pixel is binarized at a binarizing section 403 thus detecting a depression DP in the end face C11 caused by a bubble, for example. This equipment allows high accurate detection of a depression in the end face of resin agent layer using an optical means.
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公开(公告)号：JPH04147027A
公开(公告)日：1992-05-20
申请号：JP27098890
申请日：1990-10-09
Applicant: TORAY INDUSTRIES
Inventor： TAKEDA SHUZO , KATO TOMIO , HASHIMOTO NOBUO
Abstract: PURPOSE:To enable flow to be detected highly accurately by forming two piezoelectric element-holding surfaces in a pair which hold a piezoelectric element on a slant surface. CONSTITUTION:A piezoelectric element 102 is formed as merely a circular flat film before assembly. Also, with two holders 108 and 109 in a pair, piezoelec tric element holding surfaces 108a and 109a are formed in a same direction on a slanted surface at a same angle. Therefore, when the element 102 is held by the holders 108 and 109, a circular edge part of the element 102 is forced to be deformed along the slanted surfaces 108a and 109a and the entire element 102 is extended in diaphragm state, thus enabling the element 102 to be produced easily and flow to be detected highly accurately with high sensitivity.
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公开(公告)号：JPH03156349A
公开(公告)日：1991-07-04
申请号：JP29553989
申请日：1989-11-14
Applicant: TORAY INDUSTRIES
Inventor： TAKEDA SHUZO , KITAGAWA KATSUICHI
Abstract: PURPOSE:To make it possible to extract a specified foreign matter highly accurately by obtaining the feature quantity associated with the size of an object to be judged from binary-coded image data, and determining the judging threshold value associated with luminance in consideration of the feature quantity. CONSTITUTION:The image of an object to be judged is picked up with a CCD camera 5. The light and shade image data are stored in a memory 7. Then, the light and shade data are read out of the memory 7 and are binary-coded at a specified threshold value. The first feature quantity associated with the size of the object to be judged is obtained from the binary-coded image data obtained by the binary coding. Then, the position of the object to be judged is obtained from the binary-coded data. The second feature quantity associated with the luminance of the object to be judged at the obtained position is obtained from the light and shade image data. The first judging threshold value associated with the luminance is obtained from the threshold value and the first feature quantity. The magnitudes of the first judging threshold value and the magnitude of the second feature quantity are compared, and whether the object to be judged is a specified foreign matter or not is judged.
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