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    • 7. 发明授权
    • Infrastructure-mounted RFID tags
    • 基础设施安装的RFID标签
    • US08672222B2
    • 2014-03-18
    • US12772252
    • 2010-05-03
    • Ian J. Forster
    • Ian J. Forster
    • G06Q30/00
    • G06Q10/087G06K7/0008G06K7/10168
    • Infrastructure-mounted RFID-readable tags or transponders are provided for various applications. Such infrastructure tags may be employed in combination with RFID-readable product tags and an RFID reader for an improved inventory-management system which requires both types of tags to be scanned to constitute a successful product count. Infrastructure tags may also be employed as “read” or “no-read” tags in an RFID read field. The infrastructure tags of the RFID read field are combined with an RFID reader which is dynamically adaptable during initial set-up and use to improve the performance of the read field. When a perturbing object is detected in the read field, one or more performance parameters of the reader are adjusted to overcome any perturbing influence caused by the object.
    • 为各种应用提供基础设施安装的RFID可读标签或应答器。 这样的基础设施标签可以与RFID可读产品标签和用于改进的库存管理系统的RFID读取器一起使用,其需要扫描两种类型的标签以构成成功的产品数量。 基础设施标签也可以用作RFID​​读取领域中的“读取”或“不读取”标签。 RFID读取领域的基础设施标签与RFID读取器组合,RFID读取器在初始设置和使用期间可动态适应以改善读取字段的性能。 当在读取区域中检测到扰动对象时,调整读取器的一个或多个性能参数以克服由对象引起的任何扰动的影响。
    • 8. 发明授权
    • Electronic article surveillance system including low-cost EAS tag
    • 电子物品监控系统包括低成本EAS标签
    • US08624739B2
    • 2014-01-07
    • US13048984
    • 2011-03-16
    • Ian J. Forster
    • Ian J. Forster
    • G08B13/14
    • G08B13/2434E05B73/0017E05B73/0047
    • A robust tag. The robust tag may include a body section, at least one movable latching member disposed within the body section, at least one attachment structure receivable within the body and selectively engageable to the at least one latching member; and at least one responsive member disposed within the body and in cooperative arrangement with the at least one latching member. Upon the application of a signal to at least one drive position on the body section, the responsive member generates a flexural wave that induces a movement of the at least one latching member, so as to disengage the at least one latching member from the at least one attachment structure.
    • 强大的标签。 坚固的标签可以包括主体部分,设置在主体部分内的至少一个可移动闩锁部件,可容纳在主体内并且可选择性地与至少一个闩锁部件接合的至少一个连接结构; 以及至少一个响应构件,其布置在所述主体内并且与所述至少一个闩锁构件协调地布置。 在将信号施加到身体部分上的至少一个驱动位置时,响应构件产生引起至少一个闩锁构件的运动的弯曲波,以便使至少一个闩锁构件从至少 一个附件结构。
    • 9. 发明授权
    • Dual use RFID/EAS device
    • 双重使用RFID / EAS设备
    • US08159351B2
    • 2012-04-17
    • US13029212
    • 2011-02-17
    • Ian J. Forster
    • Ian J. Forster
    • G08B13/14
    • G06K19/07749G06K19/0723G06K19/07767G08B13/2417G08B13/2431G08B13/2448G08B13/2477
    • A radio frequency identification (RFID) device has multiple modes of operation. One of the modes of operation is an electronic article surveillance (EAS) mode, which is used to allow use of the RFID device as an EAS device. Another mode of operation is an RFID mode, which allows normal function of the RFID device in RFID communications. The EAS mode has greater sensitivity than the RFID mode, requires less power than the RFID mode to operate the device, and requires less current and/or voltage for operation. The EAS mode may achieve these different characteristics by one or more of: switching off some digital blocks in the circuitry of the RFID device; reducing power storage required to respond to incoming signals; reducing the length of response to incoming signals; reducing modulation required for a response; changing chip input impedance; and having multiple chip ports with different impedances.
    • 射频识别(RFID)设备具有多种操作模式。 操作模式之一是电子物品监视(EAS)模式,用于允许使用RFID设备作为EAS设备。 另一种操作模式是RFID模式,其允许RFID设备在RFID通信中的正常功能。 EAS模式具有比RFID模式更高的灵敏度,需要比RFID模式更少的功率来操作设备,并且需要更少的电流和/或电压进行操作。 EAS模式可以通过以下中的一个或多个实现这些不同的特性:关闭RFID设备的电路中的一些数字块; 减少响应输入信号所需的电力存储; 减少对输入信号的响应长度; 减少响应所需的调制; 切换输入阻抗; 并具有多个具有不同阻抗的芯片端口。