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    • 3. 发明授权
    • System for increasing imaging quality
    • 提高成像质量的系统
    • US08167210B2
    • 2012-05-01
    • US12211941
    • 2008-09-17
    • Rong LiuVladimir GurevichMing Yu
    • Rong LiuVladimir GurevichMing Yu
    • G02B5/00
    • G06K7/10831
    • A method and apparatus for improving the image quality obtained by an imaging-based scanner comprising a housing supporting one or more protective windows. The apparatus further comprises at least one scanning arrangement, the scanning arrangement comprising illumination and imaging optics. The illumination and imaging optics form a respective field of view for imaging a target object. A light baffle is attached to the scanning arrangement. The light baffle has an aperture corresponding to each of the illumination and imaging optics such that stray light reflected from the protective windows is absorbed by the light baffle, improving the image quality of the imaging-based scanner.
    • 一种用于改善由基于成像的扫描仪获得的图像质量的方法和装置,其包括支撑一个或多个保护窗的壳体。 该装置还包括至少一个扫描装置,扫描装置包括照明和成像光学元件。 照明和成像光学器件形成用于对目标物体成像的相应视场。 轻型挡板附着在扫描装置上。 光挡板具有对应于每个照明和成像光学器件的孔径,使得从保护窗口反射的杂散光被光挡板吸收,从而提高了基于成像的扫描仪的图像质量。
    • 10. 发明申请
    • IMAGING READER SYSTEM WITH SAFETY CONTROL
    • 具有安全控制的成像读取器系统
    • US20100111361A1
    • 2010-05-06
    • US12263644
    • 2008-11-03
    • Chinh TanRong LiuCarl WittenbergMing Yu
    • Chinh TanRong LiuCarl WittenbergMing Yu
    • G06K9/00
    • G06K9/209G06K7/10732G06K7/14
    • A method and apparatus comprising an imaging system (10) with safety control for imaging target objects having a scanning arrangement (14) including a sensor assembly (22) for capturing an image from a target object. The sensor assembly (22) has a field-of-view focused by an optical arrangement (24) onto a sensor array (28). The imaging system further comprises an illumination assembly (18) having a housing (30), illumination source (38), light pipe (42), and projection lens (36). The illumination assembly (18) provides light energy toward the sensor assembly field-of-view for illuminating the target object to be imaged on the sensor array (28). The light pipe (42) comprises a multi-walled tapered body (52) having an input face (40). The walls of the body (52) create mirrored images of the illumination source (38), together with the projection lens redistribute the amount of light energy directed at the eyes of a human.
    • 一种包括具有安全控制的成像系统(10)的方法和装置,所述成像系统具有用于对具有扫描装置(14)进行成像的目标物体成像系统(14),所述扫描装置 传感器组件(22)具有由光学装置(24)聚焦到传感器阵列(28)上的视场。 成像系统还包括具有壳体(30),照明源(38),光管(42)和投影透镜(36)的照明组件(18)。 照明组件(18)向传感器组件视野提供光能以照射要在传感器阵列(28)上成像的目标物体。 光管(42)包括具有输入面(40)的多壁锥体(52)。 身体的壁(52)产生照明源(38)的镜像,与投影透镜一起重新分配指向人眼睛的光能量。