7.
    发明专利
    未知

    公开(公告)号:AT554457T

    公开(公告)日:2012-05-15

    申请号:AT08743756

    申请日:2008-03-10

    Abstract: Image enhancement of symbol targets and non-symbol targets is performed based on the distance to the target, and optionally on the type of target being imaged, by an imaging system to improve reader performance. An axicon and other lenses are preferred to capture light from the target.

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