Joerg W Zschirnt

US Patent:

57963398, Aug 18, 1998

Filed:

Dec 2, 1996

Appl. No.:

8/758957

Inventors:

Douglas A. Drew - Boca Raton FL
Joerg W. Zschirnt - Boca Raton FL

Assignee:

Sensormatic Electronics Corporation - Boca Raton FL

International Classification:

G08B 1314

US Classification:

340572

Abstract:

A deactivation device for use in an EAS system and comprising a detection transmit means operable to transmit a detection field into a detection/deactivation area, a detecting means operable to sense a signal from an EAS tag responsive to the detection field, and a deactivating means for transmitting a deactivating field into the detection/deactivation area operable to deactivate said active EAS tag, and wherein said detection transmit means and said deactivating means use a common coil to transmit the respective fields.

US Patent:

57059861, Jan 6, 1998

Filed:

Sep 26, 1996

Appl. No.:

8/721124

Inventors:

Joerg W. Zschirnt - Boca Raton FL

Assignee:

Sensormatic Electronic Corporation - Boca Raton FL

International Classification:

G08B 1314

US Classification:

340572

Abstract:

An apparatus for automatically deactivating an electronic article surveillance tag associated with an article comprising a member for holding a bag for packaging an article having an associated electronic article surveillance tag, deactivation means positioned in relation to the member to deactivate an electronic article surveillance tag associated with an article when such article is in a bag held by the member, and detection means for detecting when a person is in the process of removing a bag from the member to actuate the deactivation means.