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    • 58. 发明公开
    • Lottery ticket bar code
    • Lotterielos
    • EP1308191A1
    • 2003-05-07
    • EP02024135.2
    • 2002-10-30
    • SCIENTIFIC GAMES Inc.
    • Behm, Wiliam F.Finnerty, Fred
    • A63F3/06
    • G07F17/32A63F3/0665A63F2009/242G06K7/081G06K7/085G06K7/087G06K19/067G06K19/08G07D7/0043G07D7/02G07D7/026G07F7/08G07F7/086G07F7/12G07F17/329Y10S283/903
    • Security can be provide for lottery tickets having data printed thereon in a bar code or other machine readable media by covering only a portion of the bar code with a scratch-off material. Removing the scratch-off material, or in some cases only a portion of the scratch-off material, can permit machine validation of the lottery tickets. For bar codes having a specified level of redundancy, it is desirable to cover at least enough of the bar code so as to prevent the machine reading of ticket validation data encoded in the bar code. Also, a lottery ticket can include a bar code printed on the ticket having both inventory and validation data along with a bar code printed on the front of the ticket including the validation data. All or part of the bar code printed on the front of the ticket can be covered by a scratch-off material.
    • 可以通过用刮擦材料仅覆盖条形码的一部分来提供在条形码或其他机器可读介质中印刷有数据的彩票的安全性。 除去刮掉的材料,或者在某些情况下,只有一部分刮除材料可以允许机器对彩票进行验证。 对于具有指定级别的冗余的条形码,期望覆盖至少足够的条形码,以便防止机器读取在条形码中编码的票证验证数据。 此外,彩票可以包括打印在具有库存和验证数据的票上的条形码以及打印在包括验证数据的票据的前面的条形码。 打印在车票前面的所有或部分条形码可以被刮除材料覆盖。