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    • 8. 发明授权
    • Bar code decoder with changeable working ranges
    • 具有可变工作范围的条码解码器
    • US5324924A
    • 1994-06-28
    • US880874
    • 1992-05-11
    • Joseph CaiGlenn S. SpitzEdward BarkanRobert SteinRobert Sanders
    • Joseph CaiGlenn S. SpitzEdward BarkanRobert SteinRobert Sanders
    • G06K7/10
    • G06K7/10851G06K2207/1013G06K2207/1017
    • An arrangement for decoding a bar code symbol in which the data resulting from scanning a bar code symbol with a bar code scanner is evaluated to determine if the scanned bar code symbol is within the working range of the scanner. The data acquired by the bar code scanner is evaluated to determine if the detected widths of the bars and spaces of the scanned bar code symbol are too small, less than a threshold value, which indicates that the bar code symbol is too far and outside of the working range of the scanner. Moreover, the working range of the bar code scanner can be selectively changed by changing the threshold value, which can be easily implemented by having the bar code scanner scan a menu bar code which instructs the decoder to change the threshold value to a selected new value which may be pre-established for the particular operation. The arrangement preferably includes software to process the data acquired by the bar code scanner, and if the data indicates that the scanning distance to the bar code is too far, a flag is set in the software which prevents a new decode result from being recorded. However, the intermediate decode result is retained in memory to indicate that the bar code symbol is still in the scanner's field of view. A second evaluation validation to determine if the detected bar code symbol is valid may also be performed.
    • 用于对条形码符号进行解码的装置,其中对由条形码扫描器扫描条形码符号得到的数据进行评估,以确定所扫描的条形码符号是否在扫描仪的工作范围内。 评估由条形码扫描器获取的数据,以确定扫描的条形码符号的条形和空格的检测宽度是否太小,小于阈值,这表示条形码符号太远并且不在 扫描仪的工作范围。 此外,可以通过改变阈值来选择性地改变条形码扫描器的工作范围,该阈值可以通过使条形码扫描器扫描指示解码器将阈值改变为所选择的新值的菜单条形码来容易地实现 这可能是针对特定操作预先建立的。 该装置优选地包括用于处理由条形码扫描器获取的数据的软件,并且如果数据指示到条形码的扫描距离太远,则在软件中设置标志以防止新的解码结果被记录。 然而,中间解码结果被保留在存储器中以指示条形码符号仍处于扫描仪的视野中。 还可以执行用于确定检测到的条形码符号是否有效的第二评估验证。
    • 9. 发明申请
    • COUPON ORGANIZATION USING A BAR CODE READER
    • 使用条码读取器的COUPON组织
    • US20120029994A1
    • 2012-02-02
    • US12844891
    • 2010-07-28
    • Edward BarkanRobert Sanders
    • Edward BarkanRobert Sanders
    • G06Q30/00H04W88/02
    • G06Q30/0207G06Q30/0224G06Q30/0226G06Q30/0238
    • A consumer can use his or her cell phone to scan barcodes from newspaper circulars at home, on a computer screen at home and/or to scan coupon barcodes positioned on the edge of shelves in a store or displayed on a kiosk in a store. The data from all these coupons is be combined into (preferably) a single 2D barcode or in the event of a large number of coupons, into a smaller number of 2D barcodes on the cell phone's display, for scanning by an imaging barcode scanner at the point of sale. This 2D barcode can also include the user's loyalty card information, so reading a single barcode off the screen of the phone can accomplish what formerly required multiple individual scans to accomplish.
    • 消费者可以使用他或她的手机从家里的报纸通告,家中的计算机屏幕上扫描条形码和/或扫描位于商店中的货架边缘上的优惠券条形码或显示在商店的信息亭上。 来自所有这些优惠券的数据被组合成(优选地)单个2D条形码,或者在大量优惠券的情况下被组合到手机显示器上的较少数量的2D条形码中,以便通过成像条形码扫描器在 销售点。 该2D条形码还可以包括用户的会员卡信息,因此从电话屏幕读取单个条形码可以完成以前要求的多个单独扫描来完成。