Patent · US Expired

Apparatus for deactivation of electronic article surveillance tags

US5781111A · kind A · utility

11Cited by
11References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1996
Grant dateJul 14, 1998
Priority date
Expiry dateSep 26, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B13/242
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

In accordance with the present invention there is provided an apparatus for deactivating electronic article surveillance tags comprising a deactivation coil, a capacitor, charging means for charging the capacitor to a predetermined level, and an electronic switch connected to the capacitor and the deactivation coil so that when the switch is open the capacitor can be charged by the charging means and when the switch is closed the capacitor can discharge through the deactivation coil.

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