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    • 1. 发明申请
    • GLAZING INSPECTION
    • 玻璃检查
    • WO2004088294A1
    • 2004-10-14
    • PCT/GB2004/001093
    • 2004-03-15
    • PILKINGTON PLCHILL, Barry, RaymondALDRED, Simon, Peter
    • HILL, Barry, RaymondALDRED, Simon, Peter
    • G01N21/896
    • G06T7/001G01N21/455G01N21/958G01N2021/9586
    • A method of forming a shadowgraph image is described, comprising the steps of illuminating a glazing (52), e.g., a vehicle windscreen, with light from a localised light source (50), said light being expanded and collimated by a lens optical system (54) or a mirror optical system; forming a virtual shadowgraph image of the glazing in a virtual image plane (56), which may be positioned behind or in front of the glazing; and imaging the virtual image onto a CCD camera (62). The glazing may be moving relative to the light source or may be stationary. Furthermore, a method of glazing inspection is described, comprising forming a shadowgraph image as outlined above; processing the shadowgraph image to exclude measurement points corresponding to obscure areas of the glazing as non-valid measurement points; obtaining a processed image by determining an illumination value for each valid measurement point; constructing a reference image by scanning a convolution window point by point over the processed image; and comparing the illumination value of the corresponding point of the reference image.
    • 描述了一种形成阴影图像的方法,包括以下步骤:利用来自局部光源(50)的光照亮玻璃窗(52),例如车辆挡风玻璃,所述光被透镜光学系统(..., 54)或镜面光学系统; 在虚拟像平面(56)中形成玻璃窗的虚拟阴影图像,虚拟像平面(56)可以位于玻璃窗的后面或前面; 以及将所述虚拟图像成像到CCD照相机(62)上。 玻璃窗可能相对于光源移动或者可以是静止的。 此外,描述了一种玻璃检查方法,包括如上所述形成阴影图像; 处理阴影图像以将与玻璃窗的模糊区域相对应的测量点排除为非有效测量点; 通过确定每个有效测量点的照明值来获得处理后的图像; 通过在处理的图像上逐点扫描卷积窗来构造参考图像; 以及比较参考图像的相应点的照明值。
    • 4. 发明申请
    • GLAZING INSPECTION
    • 玻璃检查
    • WO2008099219A1
    • 2008-08-21
    • PCT/GB2008/050099
    • 2008-02-15
    • PILKINGTON GROUP LIMITEDALDRED, Simon Peter
    • ALDRED, Simon Peter
    • G01N3/30G01N33/38G01N21/958
    • G01N3/307G01N21/896G01N21/958G01N33/386
    • A method of inspecting the fragmentation pattern of a single ply of toughened glass, following a fragmentation test carried out in accordance with ECE R43,is disclosed. The method comprises illuminating a first portion of the ply of glass in transmission using a strip light source located on a first side of the transparent support means. An image of the first portion of the ply of glass is captured using an image capture device located on a second side of the transparent support means, aligned with and fixed in a relative position to the strip light source. A series of images of the glass are collected and analysed to produce an image of the fragmentation pattern. Apparatus for carrying out such imaging is also disclosed.
    • 公开了根据ECE R43进行的碎裂试验之后检查单层钢化玻璃的碎裂图案的方法。 该方法包括使用位于透明支撑装置的第一侧上的条状光源照亮传输中玻璃层的第一部分。 使用位于透明支撑装置的第二侧上的图像捕获装置捕获玻璃层的第一部分的图像,该图像捕获装置与条形光源相对准并固定在相对位置。 收集并分析玻璃的一系列图像以产生碎裂图案的图像。 还公开了用于进行这种成像的装置。
    • 5. 发明申请
    • METHOD AND DEVICE FOR IMAGING A FRAGMENTATION PATTERN FORMED IN A PLY OF TOUGHENED GLASS
    • 用于成像在一堆粗糙玻璃中形成的分割图案的方法和装置
    • WO2009056882A1
    • 2009-05-07
    • PCT/GB2008/051014
    • 2008-10-29
    • PILKINGTON GROUP LIMITEDALDRED, Simon Peter
    • ALDRED, Simon Peter
    • G01N21/958G01N33/38
    • G01N21/958G01N33/386G01N2021/9586
    • A method of imaging a fragmentation pattern formed in a single ply of toughened glass having first and second opposing surfaces is disclosed. Initially, a region of the fragmentation pattern is aligned with an image capture device, where the image capture device is arranged in a spaced relationship with the first surface of the ply of glass to capture images of the region when being illuminated in transmission. The region is then illuminated from a first illumination direction and capturing a first image of the region, and subsequently illuminated from at least a second illumination direction and capturing at least a second image of the region. The images are then superimposed to produce a composite image of the region. Preferably four images are obtained. A vehicle glazing optical inspection apparatus for carrying out such a method is also disclosed.
    • 公开了一种在具有第一和第二相对表面的钢化玻璃单层中形成的碎裂图案的成像方法。 最初,碎片图案的区域与图像捕获装置对准,其中图像捕获装置与玻璃层的第一表面以间隔开的关系布置,以在透射时被照亮时捕获该区域的图像。 然后从第一照明方向照射该区域,并捕获该区域的第一图像,并且随后从至少第二照明方向照射该区域并捕获该区域的至少第二图像。 然后叠加图像以产生该区域的合成图像。 优选地获得四个图像。 还公开了一种用于执行这种方法的车辆玻璃光学检查装置。
    • 6. 发明申请
    • GLAZING INSPECTION METHOD
    • GLAZING检查方法
    • WO2007135465A2
    • 2007-11-29
    • PCT/GB2007/050282
    • 2007-05-22
    • PILKINGTON GROUP LIMITEDPILKINGTON AUTOMOTIVE DEUTSCHLAND GMBHBARTSCH, IngoALDRED, Simon Peter
    • BARTSCH, IngoALDRED, Simon Peter
    • G01N21/958G01B11/30G01M11/00
    • G01N21/958G01N2021/9586
    • Methods of determining the divergence angle between a primary image and a secondary image generated by a glazing are disclosed. In a first method, a glazing is illuminated with a light source and a primary and a secondary image of the light source, generated by the glazing, are captured using an image capture device. The distance between the primary and the secondary image is determined, and the divergence angle determined from this distance. In a second method, the primary and secondary images are viewed on a target marked with a scale indicating the divergence angle. The divergence angle is read from the scale and the positions the primary and secondary image. In this second method, the light source is located at the centre of the target. In both methods, the light source comprises at least one light emitting diode. Preferably, the method is used to examine the edge region of a glazing.
    • 公开了确定由玻璃窗产生的原始图像和次要图像之间的发散角的方法。 在第一种方法中,用光源照射玻璃,并且使用图像捕获装置捕获由玻璃产生的光源的主要和次要图像。 确定初级和次级图像之间的距离,并从该距离确定发散角。 在第二种方法中,在标记有指示发散角的刻度的目标上观看主图像和次图像。 从刻度上读取发散角,并且对主图像和次要图像进行位置读取。 在该第二方法中,光源位于目标的中心。 在这两种方法中,光源包括至少一个发光二极管。 优选地,该方法用于检查玻璃窗的边缘区域。
    • 7. 发明申请
    • GLAZING INSPECTION METHOD
    • GLAZING检查方法
    • WO2007135465A3
    • 2008-01-17
    • PCT/GB2007050282
    • 2007-05-22
    • PILKINGTON GROUP LTDPILKINGTON AUTOMOTIVE D GMBHBARTSCH INGOALDRED SIMON PETER
    • BARTSCH INGOALDRED SIMON PETER
    • G01N21/958G01B11/30G01M11/00
    • G01N21/958G01N2021/9586
    • Methods of determining the divergence angle between a primary image and a secondary image generated by a glazing are disclosed. In a first method, a glazing is illuminated with a light source and a primary and a secondary image of the light source, generated by the glazing, are captured using an image capture device. The distance between the primary and the secondary image is determined, and the divergence angle determined from this distance. In a second method, the primary and secondary images are viewed on a target marked with a scale indicating the divergence angle. The divergence angle is read from the scale and the positions the primary and secondary image. In this second method, the light source is located at the centre of the target. In both methods, the light source comprises at least one light emitting diode. Preferably, the method is used to examine the edge region of a glazing.
    • 公开了确定由玻璃窗产生的原始图像和次要图像之间的发散角的方法。 在第一种方法中,用光源照射玻璃,并且使用图像捕获装置捕获由玻璃产生的光源的主要和次要图像。 确定初级和次级图像之间的距离,并从该距离确定发散角。 在第二种方法中,在标记有指示发散角的刻度的目标上观看主图像和次图像。 从刻度上读取发散角,并且对主图像和次要图像进行位置读取。 在该第二方法中,光源位于目标的中心。 在这两种方法中,光源包括至少一个发光二极管。 优选地,该方法用于检查玻璃窗的边缘区域。