Patent · US Expired

Flex motion wake-up circuit for a security pack

US7075426B2 · kind B2 · utility

1Cited by
20References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 2003
Grant dateJul 11, 2006
Priority date
Expiry dateJan 8, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B13/149
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A wake-up circuit and associated method for use in an alarm system hidden in a currency resembling security pack. The alarm system includes an alarm device and an electronic alarm activation circuit that actuates the alarm device upon receipt of an alarm actuation signal. The wake up circuit includes a flexure sensor used to detect flexure of the security pack and upon sensing such flexure to switch the electronic alarm activation circuit from a first, dormant state to a second, active state.

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