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    • 3. 发明授权
    • Absorbent pads having theft alarm activators therein
    • 其中具有防盗报警器的吸收垫
    • US06278371B1
    • 2001-08-21
    • US09582469
    • 2000-06-27
    • William G. Hopkins
    • William G. Hopkins
    • G08B2300
    • B32B29/002B32B3/10B32B2305/347B32B2307/726B32B2439/70B65D81/264B65D2211/00
    • Absorbent pads with theft alarm activator elements concealed from view within each individual pad. These pads are designed for inclusion in a tray with a meat, fish or poultry product. The alarm activator element in each pad may be a strip or wire of magnetic material of suitable magnetic retentivity. In an alternative arrangement, a resonator may be used in conjunction with a magnetic strip which controls its resonant frequency. In the case of meat or poultry product pads, the element is cored into the pad between pluralities of laminated layers of tissue, cellulose, airlaid or composite. The element may be positioned between adjacent pairs of laminated tissues in a composite pad.
    • 防盗报警启动器元件的吸收垫被隐藏在每个单独的垫内。 这些垫被设计成包含在具有肉,鱼或家禽产品的托盘中。 每个垫中的报警激活元件可以是具有合适的磁保持性的磁性材料的条或线。 在另一种布置中,谐振器可以与控制其谐振频率的磁条结合使用。 在肉类或家禽产品垫的情况下,该元件被堆叠在多个层叠的组织,纤维素,气流成网或复合材料层之间的垫中。 元件可以位于复合衬垫中相邻的层叠组织对之间。