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公开(公告)号：US20210293723A1
公开(公告)日：2021-09-23
申请号：US17006935
申请日：2020-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Hiroshi OHNO , Takashi USUI
Abstract: An optical inspection device 1A includes a light selection unit 30, a detection element 40, and a first image formation element 20. The light selection unit 30 has the plurality of wavelength selection regions 32 that selectively transmits or reflects the light rays L of mutually different wavelength regions. The detection element 40 detects scattering characteristic information of the light rays L having reached the light receiving surface 41 via the light selection unit 30. The first image formation element 20 causes scattered light scattered by a subject S to enter a light receiving surface 41 via the light selection unit 30. The plurality of wavelength selection regions 32 has different azimuth angles with respect to the optical axis Z of the first image formation element 20.
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公开(公告)号：US20210231616A1
公开(公告)日：2021-07-29
申请号：US17006937
申请日：2020-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Takashi USUI , Hiroshi OHNO
IPC: G01N29/04 , G10K11/162 , G10K11/172
Abstract: A detection apparatus according to an embodiment includes a convergence member and a sensor. The convergence member comes into contact with a test object and has an elastic-modulus distribution in which an elastic modulus decreases as a distance from a center of the convergence member increases. The sensor is placed in an area including the center of the convergence member. The sensor detects, through the convergence member, an elastic wave generated from the test object.
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33.发明申请公开(公告)号：US20200217822A1
公开(公告)日：2020-07-09
申请号：US16737004
申请日：2020-01-08
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Keiichiro SOMEDA , Takashi USUI , Kazuo WATABE , Shuichi HIRANO
Abstract: According to one embodiment, a detection system includes a plurality of sensors, a locator, a first counter, and a determiner. The plurality of sensors that detect an elastic wave, the sensors being disposed separately from each other in a direction in which the welded portion extends and each being installed on the first member or the second member. The locator that locates a generation source position of the elastic wave on the basis of outputs of the plurality of sensors. The first counter that accumulates information of generation source positions of a plurality of elastic waves located by the locator to calculate a distribution of generation source positions of the plurality of elastic waves over a predetermined time. The determiner that determines the position of the crack on the basis of the distribution calculated by the first counter.
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公开(公告)号：US20200080970A1
公开(公告)日：2020-03-12
申请号：US16284282
申请日：2019-02-25
Inventor： Takashi USUI , Yasuo Yoshii , Kazuo Watabe
IPC: G01N29/14 , G01M13/045
Abstract: According to one embodiment, a detection system includes a base member, a plurality of sensors, and one or more processors. The plurality of sensors are provided on the base member, and detect an elastic wave from a test object of a plurality of test objects. The elastic wave propagates through a connecting member among a plurality of connecting members that connect the test objects with the base member. The connecting members each have a thickness smaller than a wavelength of the elastic wave. The one or more processors detect an abnormality of the test objects based on the detected elastic wave.
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公开(公告)号：US20190285590A1
公开(公告)日：2019-09-19
申请号：US16117710
申请日：2018-08-30
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Junko HIROKAWA , Ena ISHII , Yasutaka ITO , Yuki UEDA , Takashi USUI , Takahiro OMORI , Kazuo WATABE
Abstract: According to an embodiment, a detection system includes a wheel, at least one sensor, a generation unit, and a diagnosis unit. The wheel has an outer edge including an inner wall in which an installation surface is provided. The at least one sensor is installed on the installation surface to detect an elastic wave transmitted from at least one of the wheel and a structure making contact with the wheel. The generation unit is configured to generate time information representing time at which the elastic wave is detected, and feature information representing features of the elastic wave. The diagnosis unit is configured to diagnose, on the basis of the time information and the feature information, a position of a damaged portion of at least one of the wheel and the structure, and a degree of damage of the damaged portion.
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Patent Agency Ranking
公开(公告)号：US20190064118A1
公开(公告)日：2019-02-28
申请号：US16163706
申请日：2018-10-18
Applicant: Kabushiki Kaisha Toshiba
Inventor： Takashi USUI , Kazuo WATABE
CPC classification number: G01N29/14 , G01N29/32 , G01N29/4436
Abstract: According to an embodiment, a detection system includes a plurality of first sensors, a second sensor, a first calculator, and a second calculator. Each of the first sensors is configured to detect an elastic wave generated from a structure, and convert the elastic wave into a detection signal. The second sensor is configured to detect a noise propagating from surroundings, and convert the noise into a reference signal. The first calculator is configured to calculate a plurality of difference detection signals based on the respective detection signals and the reference signal. The second calculator is configured to calculate a position of a generation source of the elastic wave from the plurality of difference detection signals.
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公开(公告)号：US20160282311A1
公开(公告)日：2016-09-29
申请号：US15075621
申请日：2016-03-21
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Junko HIROKAWA , Kazuo WATABE , Takahiro OMORI , Takashi USUI , Osamu NISHIMURA , Akihiro KASAHARA
CPC classification number: G01N29/14 , G01N29/07 , G01N29/36 , G01N2291/0234 , G01N2291/2698
Abstract: According to an embodiment, a detection system detects deterioration of a rope through at least one sheave. The system includes a plurality of sensors and a calculator. The sensors are configured to detect an elastic wave generated from the rope and convert the elastic wave into a detection signal. At least one of the sensors is installed near an end portion of the rope. At least one of the sensors is installed at the sheave. The calculator is configured to calculate a position of the rope where the elastic wave has been generated, based on a propagating speed of the elastic wave, time difference information of a plurality of detected times of the elastic waves detected by the respective sensors, and positional information indicating positions of the respective sensors.
Abstract translation: 根据实施例，检测系统通过至少一个滑轮来检测绳索的劣化。 该系统包括多个传感器和一个计算器。 传感器被配置为检测从绳索产生的弹性波并将弹性波转换成检测信号。 至少一个传感器安装在绳索的端部附近。 至少有一个传感器安装在滑轮上。 计算器被配置为基于弹性波的传播速度来计算已经产生弹性波的绳索的位置，由各个传感器检测到的弹性波的多个检测时间的时间差信息和位置 指示各个传感器的位置的信息。
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公开(公告)号：US20160282310A1
公开(公告)日：2016-09-29
申请号：US15070981
申请日：2016-03-15
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Takashi USUI , Kazuo Watabe
IPC: G01N29/14
Abstract: According to an embodiment, a detection system includes a plurality of first sensors, a second sensor, a first calculator, and a second calculator. Each of the first sensors is configured to detect an elastic wave generated from a structure, and convert the elastic wave into a detection signal. The second sensor is configured to detect a noise propagating from surroundings, and convert the noise into a reference signal. The first calculator is configured to calculate a plurality of difference detection signals based on the respective detection signals and the reference signal. The second calculator is configured to calculate a position of a generation source of the elastic wave from the plurality of difference detection signals.
Abstract translation: 根据实施例，检测系统包括多个第一传感器，第二传感器，第一计算器和第二计算器。 每个第一传感器被配置为检测从结构产生的弹性波，并将弹性波转换成检测信号。 第二传感器被配置为检测从周围传播的噪声，并将噪声转换为参考信号。 第一计算器被配置为基于各个检测信号和参考信号来计算多个差分检测信号。 第二计算器被配置为从多个差分检测信号计算弹性波的发生源的位置。
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公开(公告)号：US20250095176A1
公开(公告)日：2025-03-20
申请号：US18817826
申请日：2024-08-28
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Hiroshi OHNO , Takashi USUI
Abstract: According to an embodiment, an optical processing method includes: inputting an image including direction information of light from an object as hue information for each pixel into an artificial neural network; and acquiring depth information of the object for the image based on a result output from the artificial neural network.
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40.发明申请公开(公告)号：US20250094785A1
公开(公告)日：2025-03-20
申请号：US18761806
申请日：2024-07-02
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Takashi USUI , Hiroshi OHNO
IPC: G06N3/0475 , G06N3/08
Abstract: According to one embodiment, a waveform signal processing system according to an embodiment includes a neural network, a learner, and an extractor. The neural network is configured to generate at least first time-series data on noise and second time-series data on a signal other than noise on the basis of input random noise. The learner is configured to update parameters of the neural network on the basis of a loss function including a main limitation term of which a value becomes lower as synthetic time-series data obtained by adding the first time-series data and the second time-series data generated by the neural network and an observed time-series waveform including noise become more similar to each other. The extractor is configured to extract at least one of the first time-series data and the second time-series data generated by the neural network as a target signal on the basis of the parameters updated by the learner.
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