Method and device for indicating the state of EM or AM security tags

US6685091B2 · kind B2 · utility

Assignee

• Checkpoint Systems International GmbH · DE

Inventors

• Michael Rapp · Seeheim-Jugenheim, DE
• Manfred Rührig · Weinheim, DE

Key dates

• Filing date: Jun 4, 2002
• Grant date: Feb 3, 2004
• Expiry date: Jun 4, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249995
• WIPO field: Control
• WIPO sector: Instruments

Abstract

Devices are disclosed for the display of the “activated” or “deactivated” state of electromagnetic or acousto-magnetic security tags, whereby it is possible to recognize, at a glance, whether the goods, for example on a pallet, have activated or deactivated security tags.