Patent · US Expired

Method for providing a program module in a communications system

US7502367B2 · kind B2 · utility

10Cited by
14References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 2001
Grant dateMar 10, 2009
Priority date
Expiry dateNov 20, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F21/12
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method provides a program module in a communications system. The program module is accommodated by a server, the program module is transmitted to a subscriber terminal, a test criterion is calculated each time inside a security device and in the subscriber terminal by using the program module and an individual key. By comparing the test criterion, it is determined whether the program module has been defectively received by the subscriber terminal.

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