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48 条记录 (耗时 0.027 秒)

    Method and apparatus for providing patterned illumination fields for machine vision systems
    3.
    发明授权
    Method and apparatus for providing patterned illumination fields for machine vision systems 有权
    用于为机器视觉系统提供图案化照明场的方法和装置

    公开(公告)号：US08598557B2

    公开(公告)日：2013-12-03

    申请号：US10519180

    申请日：2003-06-20

    申请人： Don W. Cochran ,  Steven D. Cech ,  Thomas H. Palombo ,  Michael L. Yoder ,  Jesse C. Booher ,  Terry L. Graves

    发明人： Don W. Cochran ,  Steven D. Cech ,  Thomas H. Palombo ,  Michael L. Yoder ,  Jesse C. Booher ,  Terry L. Graves

    IPC分类号： G01N21/86 ,  G01N21/00

    CPC分类号： G01N21/8806

    摘要： This application relates to an apparatus and method for providing patterned illumination fields for use within process control and article inspection applications. More specifically, it pertains to the use of patterned illuminators to enable visual surface inspection of polished objects such as ball bearings. The use of patterned illuminators properly disposed in relation to a polished part under inspection allows small surface imperfections such as scratches and pits to become visible against the normal surface background. The use of carefully engineered illuminators facilitates advantageous defect-site scattering from generally dark field sources. The patterned nature of the illuminators defined by this invention allows the complete surface of three-dimensional parts to be effectively highlighted using dark field illumination fields.

    摘要翻译： 本申请涉及一种用于提供在过程控制和物品检查应用中使用的图案化照明场的装置和方法。 更具体地说，它涉及图案化照明器的使用以使得诸如球轴承之类的抛光物体的视觉表面检查。 相对于被检查的抛光部分适当地设置的图案照明器的使用允许诸如划痕和凹坑的小表面缺陷对于正常表面背景变得可见。 使用精心设计的照明器有助于从一般暗场光源获得有利的缺陷点散射。 由本发明限定的照明器的图案性质允许使用暗场照明场有效地突出显示三维部分的完整表面。

    Non-contact perforation/pinhole detection system for opaque vessels
    5.
    发明授权
    Non-contact perforation/pinhole detection system for opaque vessels 失效
    用于不透明容器的非接触穿孔/针孔检测系统

    公开(公告)号：US5451773A

    公开(公告)日：1995-09-19

    申请号：US299806

    申请日：1994-09-01

    申请人： James E. Triner ,  Howard Fein ,  Don W. Cochran

    发明人： James E. Triner ,  Howard Fein ,  Don W. Cochran

    IPC分类号： G01M3/38 ,  G01N21/954 ,  G01N9/04

    CPC分类号： G01N21/909 ,  G01M3/38 ,  G01N21/894 ,  G01N21/9036

    摘要： A system for detecting a side wall perforation in containers operates non-invasively and at line speeds. A stream of similar containers are communicated to an inspection area. An exterior of each container is illuminated while the container is in the inspection area. Light from an interior of the container is focused, via a lens, to a video camera. Any perforate flaw in the container walls results in a point source of light in the container interior. Since the perforations are relatively small, the point source is created due to diffractive properties of the slit perforation. These diffractive properties facilitate obtaining an image of the flaw from the camera disposed to the interior of the container when the camera is mounted orthogonally to the perforation or parallel to the wall being inspected. In an other embodiment, the relative positions of the light source and camera are interchanged. A method for container inspection is also provided in connection with the afore-noted structure.

    摘要翻译： 用于检测容器中的侧壁穿孔的系统非侵入性地以线速度运行。 类似的容器流传送到检查区域。 当容器处于检查区域时，每个容器的外部都被照亮。 来自容器内部的光通过镜头聚焦到摄像机。 容器壁中的任何穿孔缺陷导致容器内部的点光源。 由于穿孔相对较小，所以由于狭缝穿孔的衍射特性而产生点源。 当相机垂直安装在穿孔上或平行于待检测的墙壁时，这些衍射性质便于从设置于容器内部的照相机获得缺陷的图像。 在另一个实施例中，光源和照相机的相对位置被互换。 结合上述结构也提供了容器检查方法。

    Shaped target absorption and dispersion modeling
    7.
    发明授权
    Shaped target absorption and dispersion modeling 有权
    成型目标吸收和分散建模

    公开(公告)号：US09329091B2

    公开(公告)日：2016-05-03

    申请号：US12852311

    申请日：2010-08-06

    申请人： Don W. Cochran ,  Benjamin D. Johnson ,  Denwood F. Ross, III

    发明人： Don W. Cochran ,  Benjamin D. Johnson ,  Denwood F. Ross, III

    IPC分类号： A45D20/40 ,  G01K7/42

    CPC分类号： G01K7/42 ,  G01K2213/00

    摘要： A technique is provided to model a heat penetration profile for various targets which are non-planar or three-dimensionally shaped targets for use in a heating system. The relative volume of material that is irradiated at various depths may have an impact on the absorbed heat profile through the target. For example, a hollow cylindrical product has substantially more material per micro-meter near the outside diameter than it does near the inside diameter. Accordingly, the thickness of the wall or the diameter of the hollow inside the cylinder, as well as the outer diameter of the cylinder, have a substantial impact on the ultimate heat profile through the wall.

    摘要翻译： 提供了一种技术来模拟用于加热系统中的非平面或三维形状目标的各种目标的热穿透特征。 在各种深度照射的材料的相对体积可能对通过靶材的吸收热分布有影响。 例如，中空圆柱形产品在外径附近具有比在内径附近更多的每微米米的材料。 因此，壁的厚度或圆筒内的中空部的直径以及圆筒的外径对通过壁的最终热分布具有实质的影响。

    Apparatus and method for providing snapshot action thermal infrared imaging within automated process control article inspection applications
    9.
    发明授权
    Apparatus and method for providing snapshot action thermal infrared imaging within automated process control article inspection applications 有权
    在自动化过程控制物品检查应用中提供快照动作热红外成像的装置和方法

    公开(公告)号：US08097857B2

    公开(公告)日：2012-01-17

    申请号：US10526799

    申请日：2002-08-21

    申请人： Don W. Cochran ,  Steven D. Cech

    发明人： Don W. Cochran ,  Steven D. Cech

    IPC分类号： G01F23/00

    CPC分类号： G01N21/88 ,  G01J2005/0077 ,  G01N21/89 ,  G01N25/72 ,  G01N2021/845 ,  H01L27/1467 ,  H04N5/33

    摘要： This application relates to an apparatus and method for providing snapshot action thermal infrared imaging within automated process control article inspection applications. More specifically, it pertains to the use of snapshot mode lead salt area-array imaging sensors (20) as the imaging front-end in high-speed machine vision inspection systems (12). the relatively low-cost, good measurement sensitivity at temperatures consistent with thereto-electric cooling means, and the ability to be operated in snap-shot mode enables lead salt-based image acquisition sensors (20) to be used in a variety of automated process control and article inspection applications.

    摘要翻译： 本申请涉及一种用于在自动化过程控制物品检查应用中提供快照动作热红外成像的装置和方法。 更具体地说，它涉及在高速机器视觉检测系统（12）中使用快照模式铅盐区阵列成像传感器（20）作为成像前端。 在与其相一致的温度下的相对低成本，良好的测量灵敏度 - 电冷却装置，以及以快拍模式操作的能力使得基于盐的图像采集传感器（20）能够用于各种自动化过程 控制和物品检验应用。