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    DETECTION METHOD, SURFACE DENSITY DEVICE, DETECTION APPARATUS, AND STORAGE MEDIUM
    2.
    发明公开
    DETECTION METHOD, SURFACE DENSITY DEVICE, DETECTION APPARATUS, AND STORAGE MEDIUM 审中-实审

    公开(公告)号：EP4397955A1

    公开(公告)日：2024-07-10

    申请号：EP23789483.7

    申请日：2023-04-27

    申请人： Contemporary Amperex Technology Co., Limited

    发明人： WANG, Qiangjun ,  ZHANG, Jingdong ,  ZHAN, Bingyang ,  ZHEN, Zhihui ,  CHEN, Weigang

    IPC分类号： G01N9/24

    CPC分类号： Y02E30/30 ,  G01N9/24

    摘要： A detection method, a surface density device (100), a detection means (200), and a storage medium are provided. The surface density device (100) includes a radiation source (10) and an ionization chamber (20) spaced from the radiation source (10). The detection method includes: obtaining, during operation of the surface density device, a first current pose of the radiation source (10) and a second current pose of the ionization chamber (20); determining a first pose deviation of the radiation source (10) based on the first current pose; determining a second pose deviation of the ionization chamber (20) based on the second current pose; and determining whether the radiation source (10) has undergone a pose change with respect to the ionization chamber (20) based on the first pose deviation and the second pose deviation.

    SNOW DENSITY MEASUREMENT INSTRUMENT
    5.
    发明公开
    SNOW DENSITY MEASUREMENT INSTRUMENT 审中-公开

    公开(公告)号：EP4212848A1

    公开(公告)日：2023-07-19

    申请号：EP22151594.3

    申请日：2022-01-14

    申请人： Eidg. Forschungsanstalt für Wald, Schnee und Landschaft WSL

    发明人： Schneebeli, Martin ,  Walter, Benjamin ,  Löwe, Henning

    IPC分类号： G01N9/24

    摘要： The disclosed invention shows a snow density measurement instrument (B), comprising at least one illumination device (4), at least one light detector (8) and a controlling computational unit (CU), wherein the at least one illumination device (4) and the at least one light detector (8) are arranged in the interior of the snow density measurement instrument (B), which is coverable with an instrument coverplate (3) facing a snow side (S), with improved resolution and easy to use by avoiding tedious preparation work before measurements. This is reached through at least one aperture (5) in the instrument coverplate (3), allowing passage of incident near-infrared radiation (6) in a wavelength range between 800nm and 1000nm through the at least one aperture (5) to the snow side (S), while from ice particles (1) reflected radiation can be measured in the at least one light detector (8) with digital images controlled and processed by the controlling computational unit (CU) in the interior of the snow density measurement instrument (B) in a non-invasively way.

    EVALUATING PERFORMANCE METHOD AND SYSTEM FOR ELASTIC MATERIAL
    7.
    发明公开
    EVALUATING PERFORMANCE METHOD AND SYSTEM FOR ELASTIC MATERIAL 审中-公开

    公开(公告)号：EP4060314A1

    公开(公告)日：2022-09-21

    申请号：EP22158561.5

    申请日：2022-02-24

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： MASHITA, Ryo

    IPC分类号： G01N3/08 ,  G01N9/24 ,  G01N23/046 ,  G01N23/083 ,  G01M17/02

    摘要： A performance evaluation method for elastic material including rubber or elastomer, the method includes a strain applying step of applying a strain to a test piece made of an elastic material, an imaging step of obtaining projected images of the test piece being strained by irradiating X-rays to the test piece, a detection step of detecting low-density regions in the test piece based on the projected images, wherein each low-density region is a region where density of a part of the elastic material becomes lower than that before receiving the strain, a relationship obtaining step of obtaining a density distribution between the densities and frequency of the low-density regions based on the detected low-density regions, and a distribution width calculation step of calculating a distribution width specified by a full width at half maximum FWHM from the density distribution approximated to a normal distribution.