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    • 51. 发明授权
    • Optical scanning device having selectable identifiable scan window
    • 具有可选择的可识别扫描窗口的光学扫描装置
    • US07221487B2
    • 2007-05-22
    • US09938893
    • 2001-08-24
    • Robert SesekChristian L. StrubleJ. Michael Dunlap
    • Robert SesekChristian L. StrubleJ. Michael Dunlap
    • H04N1/04
    • H04N1/00392H01L27/146H04N1/00411H04N1/00413H04N1/00816H04N1/10
    • A scan window apparatus for defining and identifying a selected scan window within an overall scanable surface of a scanning device. The scanable surface is defined by intersecting first and second edges. The scan window apparatus includes moveable position markers which can be moved along the first and second edges of the scanable surface to thereby define the selected scan window. A scan window illumination device is used to illuminate the selected scan window. The illumination device can be a light source directed towards the scanable surface, or a directed, focused light source to trace at least a portion of a perimeter which defines the scan window. The invention also provides for an optical scanning device having a platen, a scan window identification device allowing a user to define a selected scan window on the platen, and a scan window illumination device to illuminate the selected scan window.
    • 一种扫描窗口装置,用于在扫描装置的整个可扫描表面内定义和识别选定的扫描窗口。 可扫描表面由第一和第二边缘相交定义。 扫描窗口装置包括可移动位置标记,其可以沿着可扫描表面的第一和第二边缘移动,从而限定所选择的扫描窗口。 扫描窗口照明装置用于照亮所选择的扫描窗口。 照明装置可以是指向可扫描表面的光源或者定向的聚焦光源,以跟踪限定扫描窗口的周边的至少一部分。 本发明还提供一种光学扫描装置,其具有压板,允许用户在压板上限定所选择的扫描窗口的扫描窗口识别装置,以及用于照亮所选择的扫描窗口的扫描窗口照明装置。