Patent · US Expired

Method of restricting the use of a radio terminal and an associated restriction device

US7103310B2 · kind B2 · utility

15Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2003
Grant dateSep 5, 2006
Priority date
Expiry dateSep 6, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04K2203/16
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A request to access the network sent by a terminal is intercepted and a selective restriction criterion is evaluated on the basis of parameters relating to the intercepted access request. A radio signal is sent to jam an acknowledgment signal sent by the network in response to the access request if the selective restriction criterion is satisfied.

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