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    PATTERNED ILLUMINATION METHOD AND APPARATUS FOR MACHINE VISION SYSTEMS
    2.
    发明申请
    PATTERNED ILLUMINATION METHOD AND APPARATUS FOR MACHINE VISION SYSTEMS 审中-公开
    用于机器视觉系统的图形照明方法和装置

    公开(公告)号：WO2004001285A3

    公开(公告)日：2004-04-29

    申请号：PCT/US0319580

    申请日：2003-06-20

    Applicant: PRESSCO TECH INC ,  COCHRAN DON W ,  CECH STEVEN D ,  PALOMBO THOMAS H ,  YODER MICHAEL L ,  BOOHER JESSE ,  GRAVES TERRY L

    Inventor： COCHRAN DON W ,  CECH STEVEN D ,  PALOMBO THOMAS H ,  YODER MICHAEL L ,  BOOHER JESSE ,  GRAVES TERRY L

    IPC: G01N21/84 ,  F21V20060101 ,  G01N21/00 ,  G01N21/88 ,  G01V8/00 ,  G06M7/00 ,  G08B13/18 ,  H01J40/14

    CPC classification number: G01N21/8806

    Abstract: This application relates to an apparatus (Fig. 3) 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 (90, 110) to enable visual surface inspection of polished objects (30)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 (55) of three-dimensional parts to be effectively highlighted using dark field illumination fields.

    Abstract translation: 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（图3）和方法。 更具体地，它涉及使用图案化照明器（90,110）来使得可以对诸如球轴承的抛光物体（30）进行视觉表面检查。 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（55）。

    INTEGRAL FIELD LENS ILLUMINATION FOR VIDEO INSPECTION
    10.
    发明公开
    INTEGRAL FIELD LENS ILLUMINATION FOR VIDEO INSPECTION 失效
    INTEGRALE BELEUCHTUNG MIT FELDLINSEFÜRVIDEOINSPEKTION

    公开(公告)号：EP0777850A4

    公开(公告)日：1999-02-03

    申请号：EP95921336

    申请日：1995-05-22

    Applicant: PRESSCO TECH INC

    Inventor： GRAVES TERRY L ,  FEIN HOWARD

    IPC: G01B11/30 ,  G01N21/84 ,  G01N21/88 ,  G01N21/90 ,  G01B11/00 ,  G01N21/00

    CPC classification number: G01N21/8806 ,  G01N21/90

    Abstract: A system for illumination of discrete specimens in an optical inspection system (A) include an image acquisition system (C) and corresponding illumination system (B). A beam splitter (16) intercepts light from a light source (10) and communicates a portion of it to field lens (20). A field lens (20), in turn, communicates light to a specimen (24) disposed in a viewing area (22). Light reflected from the specimen (24) is communicated back through the field lenses (20), through the beam splitter (16) and ultimately to a video camera (34) from which a digitized image is obtained. In another embodiment, light reflected from the specimen (24) and propagated through the beam splitter (16) has communicated to a second beam splitter (30). Separated light therefrom is communicated to first and second video cameras (34, 36), thus allowing for imaging of separate portions of the specimen (24).

    Abstract translation: 在光学检查系统（A）中用于照射离散样本的系统包括图像采集系统（C）和相应的照明系统（B）。 分束器（16）拦截来自光源（10）的光，并将其一部分传送到场透镜（20）。 场透镜（20）又将光传送到设置在观看区域（22）中的样本（24）。 从样本（24）反射的光通过场透镜（20）通过分束器（16）传送回并最终传送到从其获得数字化图像的摄像机（34）。 在另一个实施例中，从样本（24）反射并通过分束器（16）传播的光已经传送到第二分束器（30）。 分离的光被传送到第一和第二摄像机（34,36），从而允许对样本（24）的分开的部分进行成像。

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