Patent · US Expired

Alarm investigation using RFID

US7304574B2 · kind B2 · utility

37Cited by
13References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 2005
Grant dateDec 4, 2007
Priority date
Expiry dateSep 9, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B13/2417
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A method according to one embodiment may include detecting an activated electronic article surveillance (EAS) tag in an interrogation zone, and reading at least one radio frequency identification (RFID) tag in response to the detecting of the activated EAS tag in the interrogation zone to investigate a cause of the EAS tag in said interrogation zone. A method according to another embodiment may include detecting a condition representative of an activated RFID tag in a controlled area, and taking corrective action to prevent removal of the activated RFID tag from the controlled area.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.