Patent · US Expired

Theft deterrent system

US7218221B2 · kind B2 · utility

1Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 2005
Grant dateMay 15, 2007
Priority date
Expiry dateNov 11, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B13/1427
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A method and system are provided for detecting theft of a computer. A portable device is provided to wirelessly communicate with a theft deterrent function of the computer at a set frequency. In response to an increased distance between the portable device and the computer, a scan rate controller can automatically increase the scan rate for the wireless communication signal.

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