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    • 60. 发明授权
    • Method of reading code symbols using a hand-supportable digital image capturing and processing device employing a micro-computing platform supporting an event-driven multi-tier modular software architecture
    • 使用支持数字图像捕捉和处理设备的代码符号读取方法,采用支持事件驱动的多层模块化软件架构的微型计算平台
    • US07490778B2
    • 2009-02-17
    • US11607112
    • 2006-11-30
    • Xiaoxun ZhuYong LiuKa Man AuRui HouHongpeng YuXi TaoLiang LiuWenhua ZhangAnatoly KotlarskySankar GhoshMichael SchneePasqual SpataforeThomas AmundsenSung ByunMark SchmidtGarrett RussellJohn BonannoC. Harry Knowles
    • Xiaoxun ZhuYong LiuKa Man AuRui HouHongpeng YuXi TaoLiang LiuWenhua ZhangAnatoly KotlarskySankar GhoshMichael SchneePasqual SpataforeThomas AmundsenSung ByunMark SchmidtGarrett RussellJohn BonannoC. Harry Knowles
    • G06K7/10
    • G06K7/10851G06K7/10732G06K7/10881
    • A portable digital image capturing and processing system comprising: an image formation and detection subsystem; a narrow-band illumination subsystem; a narrow-band transmission-type optical filter subsystem; an automatic light exposure measurement subsystem; and an automatic illumination control subsystem. The image formation and detection subsystem has an area-type image sensing array for detecting digital images of objects formed thereon by image formation optics providing a field of view (FOV) for the system. Within the FOV of the image formation and detection subsystem, the narrow-band illumination subsystem produces a field of narrow-band illumination consisting essentially of a narrow band of wavelengths of visible illumination. The narrow-band transmission-type optical filter subsystem transmits substantially only the narrow band of wavelengths of visible illumination produced from the narrow-band illumination subsystem, and rejects all other optical wavelengths outside the narrow band however generated by ambient illumination sources. The automatic light exposure measurement subsystem employs a photo-detector operated independently from the area-type image sensing array, for automatically measuring the light exposure incident upon a selected portion of the FOV, and producing an electrical signal representative of the light exposure measurement. Only when all sensor elements in the image-sensing sensing array are activated and in state of integration, then narrow-band illumination is produced for illuminating objects in FOV of the system and simultaneously detected by a photo-detector for measuring light exposure within the FOV, and also by an area-type image sensing array for detecting a digital image of said illuminated object.
    • 一种便携式数字图像捕获和处理系统,包括:图像形成和检测子系统; 窄带照明子系统; 窄带传输型光滤波器子系统; 自动曝光测量子系统; 和自动照明控制子系统。 图像形成和检测子系统具有区域型图像感测阵列,用于通过为系统提供视场(FOV)的图像形成光学器件来检测其上形成的物体的数字图像。 在图像形成和检测子系统的FOV内,窄带照明子系统产生基本上由可见光的波长窄带组成的窄带照明领域。 窄带传输型光学滤波器子系统基本上仅传输从窄带照明子系统产生的可见光的窄带波长,并且拒绝由环境照明源产生的窄带外的所有其它光波长。 自动曝光测量子系统使用独立于区域型图像感测阵列操作的光电检测器,用于自动测量入射在FOV的选定部分上的光照射,并产生代表曝光测量的电信号。 只有当图像感测感测阵列中的所有传感器元件被激活并处于集成状态时,才产生用于照射系统FOV中的物体的窄带照明,并且同时由用于测量FOV内的光照射的光检测器检测 以及用于检测所述照明物体的数字图像的区域型图像感测阵列。