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    • 8. 发明申请
    • Method and apparatus for optically picking up an image of an information code
    • 用于光学拾取信息码图像的方法和装置
    • US20050167498A1
    • 2005-08-04
    • US11029671
    • 2005-01-06
    • Kunihiko ItoTadao Nojiri
    • Kunihiko ItoTadao Nojiri
    • G06K7/015G06K7/10G06K7/14
    • G06K7/10851
    • An apparatus has a photodetector with a plurality of pixels arranged in at least one dimension. The apparatus is designed to optically pick up an image of an information code by the pixels of the photodetector. In the apparatus, an establishing unit establishes a preliminary correcting region on part of the image data. A preliminary correcting unit provides a correcting variable that estimates a shift amount of the image data; and preliminarily corrects the part of the image data within the preliminary correcting region based on a value of the correcting variable. A determining unit determines whether the preliminary correction of the preliminary correcting unit is proper based on the corrected result. When the determining unit determines that the preliminary correction of the preliminary correcting unit is proper, a correcting unit corrects the image data based on the value of the correcting variable.
    • 一种装置具有一个具有至少一个维度排列的多个像素的光电检测器。 该设备被设计成通过光电检测器的像素来光学拾取信息码的图像。 在该装置中,建立单元在图像数据的一部分上建立初步校正区域。 初步校正单元提供估计图像数据的偏移量的校正变量; 并且基于校正变量的值来初步校正预备校正区域内的图像数据的一部分。 确定单元基于校正结果确定初步校正单元的初步校正是否适当。 当确定单元确定初步校正单元的初步校正正确时,校正单元基于校正变量的值来校正图像数据。
    • 10. 发明申请
    • Apparatus for optically reading target
    • 用于光学读取目标的装置
    • US20050098746A1
    • 2005-05-12
    • US10963749
    • 2004-10-14
    • Kunihiko Ito
    • Kunihiko Ito
    • G01N21/86G01V8/00G06K7/10G06K9/18
    • G06K7/10732G06K7/10722
    • In an apparatus for optically reading a target based on a light reflected from the target, a light source has a first optical axis and operates to emit light. An imaging optical system has a second optical axis. The imaging optical system is arranged so that the reflected light enters into the imaging optical system. A photodetector has an active area so that the imaging optical system focuses the reflected light on the active area of the photodetector. A light guide member is arranged between the target and the imaging optical system on the first and second optical axes, respectively. The light guide member is configured to guide the light emitted from the light source while preventing the guided light from leaking therefrom to irradiate the guided light to the target.
    • 在用于基于从目标反射的光来光学读取目标的装置中,光源具有第一光轴并且操作以发光。 成像光学系统具有第二光轴。 成像光学系统被布置成使得反射光进入成像光学系统。 光电检测器具有有源区域,使得成像光学系统将反射光聚焦在光电检测器的有效区域上。 在第一和第二光轴上的目标和成像光学系统之间分别布置有导光构件。 导光构件被构造成引导从光源发射的光,同时防止被引导的光从其中泄漏以将导向的光照射到目标。