Patent · US Active

Contents transmission method and contents transmission system

US8281391B2 · kind B2 · utility

3Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2009
Grant dateOct 2, 2012
Priority date
Expiry dateDec 26, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/72445
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Mobile unit 16 which can activate Java-AP software receives SDF (Security Descriptive File) 204 from administering server unit 18 which a trustworthy organization (a communication provider which administers mobile packet communication network 15) administers, and obtains ADF 205 from IP server unit 13 by using URL contained in the SDF, and obtains Jar file 206 from IP server unit 13 by using ADF 205, and installs in itself Java-AP containing these files. Java-AP, which is achieved by activating the installed Java-AP software, operates within the range of authorization expressed by policy information contained in SDF 204.

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