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    • 5. 发明申请
    • ARRANGEMENT FOR AND METHOD OF GENERATING UNIFORM DISTRIBUTED LINE PATTERN FOR IMAGING READER
    • 用于成像读取器的均匀分布式线图的生成方法和方法
    • WO2010036517A1
    • 2010-04-01
    • PCT/US2009/056620
    • 2009-09-11
    • SYMBOL TECHNOLOGIES, INC.LIU, Rong,TSI-SHI, David,YU, Ming,
    • LIU, Rong,TSI-SHI, David,YU, Ming,
    • G06K7/10
    • G06K7/10732G06K7/10831G06K7/109G06K2207/1011
    • A module and an arrangement for, as well as a method of, generating a generally uniform distributed line pattern of light on a symbol to be read by image capture employs a light source for generating light along an optical axis in a distribution having different extents along intersecting directions generally perpendicular to the axis, a linear lens array having a plurality of compound curvature lenses spaced apart from one another along one of said directions, for receiving the light from the light source, and for optically modifying the light from the light source to generate the generally uniform distributed line pattern of light on the symbol, each lens having a concave curvature for diverging the light along said one direction, and a convex curvature for collimating the light along the other of said directions, and a solid-state imager having an array of image sensors for capturing return light from the symbol over a field of view having different extents along the intersecting directions.
    • 在通过图像捕获读取的符号上产生大致均匀的光线分布线图案的模块和方法,使用沿着沿着不同程度的分布沿光轴产生光的光源 大致垂直于轴的相交方向的线性透镜阵列具有沿着所述方向中的一个彼此间隔开的多个复合曲率透镜,用于接收来自光源的光,并且用于将来自光源的光光学地修改为 在符号上产生大致均匀的光线分布线图案,每个透镜具有用于沿着所述一个方向发散光的凹曲率和用于沿着所述方向的另一个准直光的凸曲率;以及固态成像器,其具有 一组图像传感器,用于捕获沿着相交的di具有不同程度的视野的符号的返回光 rections。
    • 8. 发明申请
    • CPC ILLUMINATION APPARATUS FOR AN IMAGING-BASED BAR CODE READER
    • 基于成像的条码读取器的CPC照明设备
    • WO2009070435A1
    • 2009-06-04
    • PCT/US2008/082970
    • 2008-11-10
    • SYMBOL TECHNOLOGIES, INC.YU, MingLIU, RongHE, Duanfeng
    • YU, MingLIU, RongHE, Duanfeng
    • G06K9/00
    • G06K7/10732G02B3/0062G02B27/0966G06K7/10742G06K2207/1011
    • An illumination apparatus for an imaging-based bar code reader having a field of view defined by an imaging system of the bar code reader directed toward a target bar code. The illumination apparatus includes: a collector cup comprising a compound parabolic concentrator and defining a longitudinal axis; an illumination source positioned to direct illumination toward a first end of the collector cup, the collector cup directing illumination from the illumination source toward a second end of the collector cup; a first lens array positioned at the second end of the collector cup orthogonal to the collector cup longitudinal axis to receive and focus illumination from the collector cup and a second lens array orthogonal to the collector cup longitudinal axis receiving focused illumination from the first lens array. The lens arrays combining to focus illumination from the collector cup into an illumination pattern.
    • 一种用于基于成像的条形码读取器的照明装置,其具有由朝向目标条形码的条形码读取器的成像系统限定的视场。 照明装置包括:收集器杯,其包括复合抛物面聚光器并限定纵向轴线; 定位成朝向收集杯的第一端引导照明的照明源,收集器杯将照明源的照明引导到收集杯的第二端; 第一透镜阵列,位于收集器杯的与收集器杯纵向轴线正交的第二端处,以接收和聚焦来自收集器杯的照明;以及第二透镜阵列,其与收集器杯纵向轴线正交,从第一透镜阵列接收聚焦照明。 组合的透镜阵列将来自收集杯的照明聚焦成照明图案。