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91. 发明专利

JPH01150855A IMAGE MONITORING DEVICE FOR FISHES 失效
公开(公告)号：JPH01150855A
公开(公告)日：1989-06-13
申请号：JP30870487
申请日：1987-12-08
申请人： HITACHI LTD
发明人： YAHAGI TOSHIO , BABA KENJI , WATANABE SHOJI , MATSUZAKI HARUMI , HARA NAOKI , YODA MIKIO , OKI NOBUO
IPC分类号： H04N7/18 , C02F1/00 , G01N33/18
摘要： PURPOSE:To decide an abnormal water quality with high accuracy by providing some set value in the water depth direction of a bleeding water tank and bringing the frequency of fishes for floating up exceeding said value to statistic processing, based on its binary image. CONSTITUTION:Water to be inspected is supplied to a water tank 10 by a feed water pipe 11 and a feed water pump 12. Also, light equipments 15A-15C illuminate a fish 14 in the water tank 10. At the opposite side of the water tank 10 seen from the equipments 15A-15C, an image pickup device 20 such as an industrial television camera, etc. is placed, and in this place, the device 20 brings a bleeding space 19 to image pickup. A signal of the device 20 is led to an image monitoring device 30. In this state, first of all, a photographed image is fetched at every time interval (h) which has been set in advance and a fish body is brought to image recognition, and the center of gravity and a speed of the fish body are calculated. At every time interval (h), the center of gravity and the speed of the fish are calculated successively, and its result is stored in a memory. Based on this memory information, a statistic pattern of the position (center of gravity) and the speed of the fish in a measurement time T which has been set in advance is calculated and an action of the fish 14 is monitored, and based on a result of this monitoring, in the case of abnormality, an alarm is given.

92. 发明专利

JPH01111491A CONTROL DEVICE FOR ACTIVE SLUDGE PROCESS 失效
公开(公告)号：JPH01111491A
公开(公告)日：1989-04-28
申请号：JP26652087
申请日：1987-10-23
申请人： HITACHI LTD
发明人： WATANABE SHOJI , BABA KENJI , YAHAGI TOSHIO , YODA MIKIO , HARA NAOKI
IPC分类号： C02F3/12
摘要： PURPOSE:To stabilize sludge setting properties for a long period without affecting badly active sludge of different kind phase by providing a means to control the injection quantity of an aggregating agent basing on the measured features amount of microbes. CONSTITUTION:Mixed liquid 9 of an aeration tank 1 is photographed by a photographing device 10, and thread-like microbes and aggregating microbes in active sludge contained in the mixed liquid 9 is represented in images by an image recognizing means 20, and then the mixture of the thread-like microbes and average diameter of aggregating microbes are found out of said represented images by a features amount computing means 30. An output value from said computing means 30 is compared with a set value of a setting means 100 by a judging means 40 to judge whether bulking of sludge in or not. As a result, in case bulking of active sludge is judged to exist, sludge settling properties are stabilized for a long period of time by a regulating means 50 actuated correspondingly to the factor of the bulking image, operating an aggregating agent device 80 and controlling the quantity of aggregating agent injected from a storage tank 18 into the aeration tank 1.

93. 发明专利

JPS6412244A MICROORGANISM DENSITY DETECTOR 失效
公开(公告)号：JPS6412244A
公开(公告)日：1989-01-17
申请号：JP16767687
申请日：1987-07-07
申请人： HITACHI LTD
发明人： WATANABE SHOJI , BABA KENJI , YAHAGI TOSHIO , YODA MIKIO , HARA NAOKI
IPC分类号： G01N15/06 , G01N21/17
摘要： PURPOSE:To detect density of microorganisms at a high accuracy with the shape and size unavoidably uncertain, by a method wherein a suspension of a microorganism reaction tank is photographed to recognize and identify a microorganism area and a non-microorganism area and the density of the microorganism is computed based on a projection area of the microorganisms being computed. CONSTITUTION:An inflow sewage 3 and a return sludge 4 are introduced to an aeration tank 1. A suspension camera 11 is immersed into the aeration tank 1 and a density image of the suspension 9 to be taken is converted into a digital signal to be stored into a density image memory means 20. A correction image obtained by a density brightness correction means 30 is applied to an image recognition means 40 to separate and recognize active pollution and a liquid phase part and the number of all pixels in an area where active sludge exists is computed by a characteristic value computing means 50 to be stored into a characteristic value memory means 80. Projection area of the active sludge stored in the means 80 is outputted into a sludge density computing means 100 by judgement with an image recognition/judgement means 90 and the density of the active sludge as computed is outputted and displayed. Thus, the density of the sludge with the shape and size being unavoidably uncertain can be detected at a high accuracy.

94. 发明专利

JPS6347519B2 失效
公开(公告)号：JPS6347519B2
公开(公告)日：1988-09-22
申请号：JP6712480
申请日：1980-05-22
申请人： HITACHI LTD
发明人： KIMURA KENICHI , SUZUKI NAOTO , OGASAWARA HITOSHI , BABA KENJI , MATSUDA KAZUO
IPC分类号： C02F11/04

95. 发明专利

JPS6390761A IMAGE MONITORING DEVICE FOR AQUATIC ANIMAL 失效
公开(公告)号：JPS6390761A
公开(公告)日：1988-04-21
申请号：JP23462086
申请日：1986-10-03
申请人： HITACHI LTD
发明人： BABA KENJI , YAHAGI TOSHIO , WATANABE SHOJI , HARA NAOKI , YODA MIKIO
IPC分类号： G01N33/18 , C02F1/00 , G01D21/00
摘要： PURPOSE:To accurately pick up the image of behavior of fishes by arranging partition plates and a bottom plate matching with the angle of an image pickup operation and disabling the plane part of a wall which constitutes a breeding space to be seen by an image pickup device. CONSTITUTION:The inside of a water tank 10 is partitioned by partition plates 18A and 18B such as wire netting, porous plates, etc., and the partition plates 18A and 18B allow water to pass, but not allow fishes 14 to pass. The bottom part plate 18C is installed at the bottom of the breeding space 19. A translucent plate 16 made of a translucent material such as ground glass, paper, etc., is provided between a lighting device 15 and the water tank 10 and the image pickup device 20 picks up light obtained from the lighting device 15 through the translucent plate 16. Then when the angle of the image pickup operation of the image pickup device 20 is denoted as theta, the partition plates 18A and 18B arranged on a flank are slanted by (1/2)theta. Consequently, the breeding space 19 is picked up all over by the image pickup device 20.

96. 发明专利

JPS6366461A AQUATIC ANIMAL MONITOR 失效
公开(公告)号：JPS6366461A
公开(公告)日：1988-03-25
申请号：JP21080086
申请日：1986-09-09
申请人： HITACHI LTD
发明人： HARA NAOKI , YODA MIKIO , MORI SHUNJI , BABA KENJI , YAHAGI KATSUO , WATANABE SHOJI
IPC分类号： G01N33/18 , G01P13/00
摘要： PURPOSE:To secure the safety of an inflow water at a purification plant and a sewage treating plant, by detecting an abnormal behavior of fish from a gravity center position and speed of fish. CONSTITUTION:A camera device 3 recognizes an image of fish 11 in a water tank 1 and sends an electric signal corresponding to the brightness of a pixel recognized to an image processor 4. The processor 4 recognizes fish 11 based on image information thereof 11 obtained with the device 3 to calculate the gravity center G thereof 11. An output signal of the gravity center G from the processor 4 is transmitted to a central arithmetic unit 6 to compute a moving speed of the fish 11 from a signal of the gravity center G. This processing is repeated for a specified time to compute a distribution of gravity centers and speeds of the fish 11. Here, when the distribution thus obtained gives a difference above a deviation preset in comparison with the normal distribution, the behavior of the fish 11 is determined to be abnormal and the results of the judgement are sent to an alarm 8. Thus, the behavior of the fish 11 is monitored continuously and quantitatively according to the gravity center position and the moving speed thereof thereby securing the safety of water at a purification plant or the like.

97. 发明专利

JPS6355512A IMAGE PICKUP DEVICE FOR MINUTE MATERIAL 失效
公开(公告)号：JPS6355512A
公开(公告)日：1988-03-10
申请号：JP19885786
申请日：1986-08-27
申请人： HITACHI LTD
发明人： WATANABE SHOJI , BABA KENJI , YODA MIKIO , HARA NAOKI , NOKITA SHUNSUKE
IPC分类号： G02B21/00
摘要： PURPOSE:To change the enlarging power without changing an optical element to observe a minute living body in accordance with its properties by moving an enlarging optical element incorporated in an immersed part and a photodetector, which transmits the enlarged optical image of the expanding optical element to the outside, in the direction of the optical axis to change their relative positions by an external control mechanism. CONSTITUTION:An objective lens 21 moved forward and backward by a driver 31 is set on the side of a transmission window 28 to obtain the enlarged optical image of a suspension in a slit 29. This enlarged optical image is transmitted out of an image pickup body 3 by an image fiber 22, which is provided at the rear of the objective lens 21 and can be moved forward and backward by a driver 32, and passes an eyepiece lens 4 and is received by an ITV camera 5, and the image is converted to an electric signal and is projected on a monitor TV 6. Position adjusters 9 and 10 control extents of driving of drivers 31 and 32 in accordance with deviations of new input signals from current position signals, and the enlarging power is arbitrarily changed by this operation without interchanging the objective lens.

98. 发明专利

JPS62150139A MICROORGANISM CAMERA 失效
公开(公告)号：JPS62150139A
公开(公告)日：1987-07-04
申请号：JP29062385
申请日：1985-12-25
申请人： HITACHI LTD
发明人： WATANABE SHOJI , BABA KENJI , NOKITA SHUNSUKE , YODA MIKIO , HARA NAOKI
IPC分类号： G01N21/17
摘要： PURPOSE:To obtain a correct sample, by providing a fixed transmitting window and a mobile transmitting window at liquid introduction section communicating with the suspension of a container body while an objective lens, an image fiber, an optical fiber are mounted on the container body from outside to enable the sterilizing operation by heat. CONSTITUTION:A water-proofed cameral body 40 is mounted on a reaction tank 1 holding a suspension 10 containing microorganism or the like. The body 40 is provided with two waterproof chambers and a sample chamber 49 communicating with suspension 10 is provided between the two chambers. A fixed transmitting window 52A and a mobile transmitting chamber 52B are mounted on the surface facing the sample chamber 49 and the distance between two windows are freely expandable. An objective lens 42 for a microscope and an image fiber 60 is mounted on the center axis line of the windows and further, an optical fiber 70 is mounted therebelow, all installed to a unit body 40 from outside. Light emitted from the optical fiber 70 is introduced to the objective lens 42 via prisms 51A and 51B and the transmitting windows 52B and 52A to form an image of aq microorganism on an end face of the image fiber 60.

99. 发明专利

JPS6253791A APPARATUS FOR DETECTING MICROORGANISM 失效
公开(公告)号：JPS6253791A
公开(公告)日：1987-03-09
申请号：JP18960385
申请日：1985-08-30
申请人： HITACHI LTD
发明人： HIRAOKA MASAKATSU , TSUMURA KAZUYUKI , BABA KENJI , WATANABE SHOJI , YODA MIKIO , HARA NAOKI
IPC分类号： C02F3/12 , C02F3/34 , C12M1/34 , G01N15/00 , G01N15/02 , G01N15/14 , G01N33/48
摘要： PURPOSE:To automatically detect the state of a microorganism phase by extracting the number of picture elements corresponding to a microorganism, by setting an arbitrary brightness level to the brightness information only of the microorganism. CONSTITUTION:A liquid specimen is sampled through a sampling pipe 101 and guided to slide glass. An image magnifying optical apparatus 2 such as an optical microscope is arranged on the slide glass 1 and, when the microorganism phase of the sampled liquid specimen is magnified by the optical microscope 2, an original image having contrast can be formed. The original image is converted to brightness information by an image pickup apparatus 3, for example, an industrial TV camera (hereinafter referred to as ITV). The brightness information obtained by ITV3 is rocessed by an information processor 4 and displayed on a monitor. By this method, reliability is enhanced and the number of times in maintenance such as the washing of a microorganism detection part can be reduced to a large extent.

100. 发明专利

JPS6253790A APPARATUS FOR DETECTING MOTIVE ORGANISM 失效
公开(公告)号：JPS6253790A
公开(公告)日：1987-03-09
申请号：JP18960785
申请日：1985-08-30
申请人： HITACHI LTD
发明人： HIRAOKA MASAKATSU , TSUMURA KAZUYUKI , BABA KENJI , WATANABE SHOJI , YODA MIKIO , HARA NAOKI
IPC分类号： C02F3/00 , C02F3/12 , C12M1/00 , C12M1/34 , G01N33/48 , G06K9/00 , G06T1/00
摘要： PURPOSE:To perform highly accurate classification, by finishing the taking-in of an input image in such a state that the area of matter extracted from a differential image or an OR image became almost equivalent to the previous value to classify a motive organism. CONSTITUTION:The operation quantity of a sewage treatment process corresponds to the quantity of air supplied to an aeration tank 1, the quantity of sludge 3 and the quantity of excessive activated sludge 10 withdrawn to the outside of the system from a sedimentation basin 8 and the microorganism phase appearing in activated sludge changes corresponding to said operation quantity. The appearing microorganism phase discriminated by a motive matter judge apparatus 60 is classified by a control unit 80. With due regard to the water quality state of treated water 9 from a water quality meter 9', the control state of the process is estimated to control control units 6', 3', 10' of various operation quantities. By this method, the discrimination and classification of the microorganism can be performed within a short time.

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