Reliable tag deactivation
    63.
    发明授权
    Reliable tag deactivation 有权
    可靠的标签停用

    公开(公告)号:US08138921B1

    公开(公告)日:2012-03-20

    申请号:US12189037

    申请日:2008-08-08

    CPC classification number: G08B13/2411 G08B13/242 G08B13/2425

    Abstract: A method for reliable deactivation of a security (EAS) tag, and an apparatus for accomplishing the same. The method generally includes placing a security tag a first distance from a deactivation apparatus; determining whether a deactivation confirmation signal has occurred; and when it is determined that the deactivation confirmation signal did not occur, placing the security tag closer to the deactivation apparatus. The deactivation apparatus generally includes a pad configured to transmit a deactivation pulse having a power sufficient to deactivate the security tag when it is within a deactivation field; a tag reader configured to detect a signal transmission from an active tag when it is in a read field of the deactivation apparatus; a confirmation indicator configured to indicate that the pad has sent the deactivation pulse; and logic configured to determine when an active tag is in the deactivation field or the read field, and communicate to the confirmation indicator that the pad has sent the deactivation pulse.

    Abstract translation: 用于可靠地停用安全(EAS)标签的方法,以及用于实现其的装置。 该方法通常包括将安全标签放置在去激活装置的第一距离处; 确定是否发生了去激活确认信号; 并且当确定没有发生停用确认信号时,将安全标签放置在更接近停用装置的位置。 去激活设备通常包括:配置为发送具有足够的功率的去激活脉冲的焊盘,当其处于去激活区域内时,该功能足以停用安全标签; 标签读取器,被配置为当其处于去激活装置的读取字段时,检测来自活动标签的信号传输; 确认指示器,被配置为指示所述焊盘已经发送去激活脉冲; 以及逻辑,被配置为确定活动标签何时处于去激活字段或读取字段中,并且向确认指示符通知衬垫已发送去激活脉冲。

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