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    • 2. 发明申请
    • Code reader
    • 代码阅读器
    • US20040007621A1
    • 2004-01-15
    • US10447994
    • 2003-05-30
    • AISIN ENGINEERING CO., LTD.
    • Tohru Okada
    • G06K007/10G06K007/14
    • G06K7/10722G06K7/10742
    • A code reader which includes a housing; a reading portion, provided on the housing, for reading a code provided on an object; an illumination device provided in the housing; an image capturing device, provided in the housing, for imaging the code, the illumination device irradiating light to a surface to be read provided with the code reflecting the irradiated light, the image capturing device configured to be entered with the reflected light via an entrance pupil provided in the housing, the image capturing device being configured to read information of the code, a diffusion member for permeating and diffusing the light from the illumination device and for irradiating the diffused light to the surface to be read, the plural illumination device positioned opposite each other relative to the entrance pupil, and the diffusion member positioned between the illumination device and the reading portion.
    • 一个包含住房的代码阅读器; 读取部,其设置在所述壳体上,用于读取设置在对象上的代码; 设置在所述壳体中的照明装置; 一种图像捕获装置,设置在外壳中,用于对代码进行成像,所述照明装置将光照射到具有反映照射的光的代码的待读取表面上,所述图像捕获装置被配置为经由入口进入反射光 瞳孔设置在壳体中,图像捕获装置被配置为读取代码信息;扩散构件,用于从照明装置渗透和漫射光,并将漫射光照射到待读取的表面,多个照明装置定位 相对于入射光瞳彼此相对,并且扩散构件位于照明装置和读取部分之间。