Merchandise surveillance system antenna and method

Details Merchandise surveillance system antenna and method Merchandise surveillance system antenna and method

2006-08-22

2010-06-08

Dinh, Trinh V (Department: 2821)

Communications: radio wave antennas

Antennas

Loop type

C343S866000, C343S842000

Reexamination Certificate

active

07733290

ABSTRACT:
Embodiments of the invention provide a method, system and apparatus for detecting a merchandise marker in which a first antenna has a circuit having a first loop defining a first area and a second loop defining a second area substantially coplanar with the first area. A second antenna is substantially coplanar and orthogonally positioned with respect to the first antenna. The second antenna has a circuit having a third loop defining a third area and a fourth loop defining a fourth area substantially coplanar with the third area.

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