Coil array for EAS marker deactivation device

Details Coil array for EAS marker deactivation device Coil array for EAS marker deactivation device

1999-01-07

2000-07-04

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

3405727, G08B 1314

Patent

active

060845155

ABSTRACT:
A coil array for an EAS marker deactivation device is formed by stacking planar substrates, on each of which a respective array of spiral coils was formed by a deposition and etching process. The coil array may be a six-by-six square array, four layers thick, with each of the spiral coils consisting of three turns.

REFERENCES:
patent: 5006856 (1991-04-01), Benge
patent: 5493275 (1996-02-01), Easter
patent: 5705986 (1998-01-01), Zschirnt
patent: 5796339 (1998-08-01), Drew et al.
patent: 5867101 (1999-02-01), Copeland et al.
patent: 5905435 (1999-05-01), Copeland et al.
patent: 5917412 (1999-06-01), Martin

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