Electronic article surveillance label with field modulated...

Details Electronic article surveillance label with field modulated... Electronic article surveillance label with field modulated...

2006-05-16

2006-05-16

Lee, Benjamin C. (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572200, C235S493000

Reexamination Certificate

active

07046150

ABSTRACT:
A method and apparatus for an electronic article surveillance (EAS) label is described. In an embodiment, the EAS label may be a microwave label including a field modulated dielectric material. In an embodiment, the field modulated dielectric material may have a reflection coefficient that may be changed with a modulation signal.

REFERENCES:
patent: 3990065 (1976-11-01), Purinton et al.
patent: 4114151 (1978-09-01), Denne et al.
patent: 4139844 (1979-02-01), Reeder
patent: 5406262 (1995-04-01), Herman et al.
patent: 6011475 (2000-01-01), Herzer
patent: 6441946 (2002-08-01), Sheridon

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