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    • 3. 发明公开
    • Method and apparatus for deactivating an EAS device
    • Verfahren und Apparat zum Deaktivieren einer EAS-Vorrichtung
    • EP1598793A2
    • 2005-11-23
    • EP05009831.8
    • 2005-05-04
    • Yang, Xiao HuiFuss, Arthur Bradley
    • Yang, Xiao HuiFuss, Arthur Bradley
    • G08B13/24
    • G08B13/2471G08B13/2411G08B13/2474H01F13/006
    • A deactivator for deactivating label-style EAS devices is claimed. A preferred embodiment employs a microprocessor unit to control two transceiver coils, and a deactivation coil in series with a capacitor. The two transceiver coils are essentially two flat figure eights arranged concentrically but rotated through some angle with respect to each other. The transceiver coils are operated alternatively, first transmitting an interrogation signal and then listening for a response. When an EAS device is detected, the microprocessor unit drives the capacitor and deactivation coil at the system's resonant frequency to generate a high amplitude magnetic field then shifts the frequency of the driving current away from the resonant frequency to attenuate the magnetic field. A field sensor or current sensor provides feedback to the microprocessor to determine the resonant frequency of the system during a frequency sweep.
    • 要求用于停用标签式EAS设备的去激活器。 优选实施例采用微处理器单元来控制两个收发器线圈和与电容器串联的去激活线圈。 两个收发器线圈基本上是两个扁平的图形,其同心地布置,但是相对于彼此旋转一定角度。 收发器线圈交替操作,首先发送询问信号,然后收听响应。 当检测到EAS设备时,微处理器单元以系统谐振频率驱动电容器和去激活线圈,以产生高振幅磁场,然后将驱动电流的频率偏离谐振频率以衰减磁场。 现场传感器或电流传感器向微处理器提供反馈,以确定频率扫描期间系统的谐振频率。
    • 5. 发明申请
    • ELECTRONIC ARTICLE SURVEILLANCE TAG
    • 电子文章监督标签
    • WO2004102495A2
    • 2004-11-25
    • PCT/US2004/014104
    • 2004-05-06
    • FUSS, Arthur, BradleyYANG, Xiao, Hui
    • FUSS, Arthur, BradleyYANG, Xiao, Hui
    • G08B
    • E05B73/0017G08B13/2434
    • An electronic article surveillance tag features a spindle assembly which anchors and retains a set of ball bearings which are used to clutch and retain the shaft of a tack. The spindle features an operational tab which may be contacted by the appropriate probe to turn the spindle about a central axis. The spindle is seated in a retaining means with a graduated lip around the perimeter. The turning of the spindle serves to raise a portion of the spindle from the retaining means, loosening the ball bearing grip on the shaft of the tack. The electronic article surveillance tga may be used with either a smoothed or grooved tack shaft and may be operated by either mechanical probe actuation or by the use of a magnetic detachment means applied to the spindle.
    • 电子物品监视标签具有主轴组件,该主轴组件锚固并保持用于离合并保持杆的轴的一组球轴承。 主轴具有可操作的接头,该接头可由适当的探针接触,以绕主轴转动心轴。 主轴位于固定装置上,周边设有刻度唇。 主轴的转动用于将主轴的一部分从保持装置上升,松开球杆的轴上的球轴承把手。 电子物品监视tga可以与平滑的或带槽的粘性轴一起使用,并且可以通过机械探针致动或通过使用施加到主轴的磁性分离装置来操作。
    • 6. 发明申请
    • ELECTRONIC ARTICLE SURVEILLANCE TAG
    • 电子文章监督标签
    • WO2004102495A3
    • 2005-01-13
    • PCT/US2004014104
    • 2004-05-06
    • FUSS ARTHUR BRADLEYYANG XIAO HUI
    • FUSS ARTHUR BRADLEYYANG XIAO HUI
    • E05B73/00G08B13/24G08B13/14
    • E05B73/0017G08B13/2434
    • An electronic article surveillance tag features a spindle assembly which anchors and retains a set of ball bearings which are used to clutch and retain the shaft of a tack (24). The spindle (16) features an operational tab which may be contacted by the appropriate probe to turn the spindle (16) about a central axis. The spindle (16) is seated in a retaining means with a graduated lip around the perimeter. The turning of the spindle (16) serves to raise a portion of the spindle (16) from the retaining means, loosening the ball bearing grip on the shaft of the tack. The electronic article surveillance tga may be used with either a smoothed or grooved tack (24) shaft and may be operated by either mechanical probe actuation or by the use of a magnetic detachment means applied to the spindle (16).
    • 电子物品监视标签具有主轴组件,该主轴组件锚定并保持用于离合并保持钉(24)的轴的一组球轴承。 主轴(16)具有可操作的接片,该接片可由适当的探针接触,以使主轴(16)围绕中心轴线旋转。 主轴(16)位于具有围绕周边的刻度唇缘的保持装置中。 主轴(16)的转动用于将主轴(16)的一部分从保持装置上抬起,松开球杆的轴上的球轴承把手。 电子物品监视tga可以与平滑的或带槽的钉(24)轴一起使用,并且可以通过机械探针致动或通过使用施加到主轴(16)的磁性分离装置来操作。