Patent · US Expired

Communication device, program and recording media

US7644444B2 · kind B2 · utility

5Cited by
10References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 2003
Grant dateJan 5, 2010
Priority date
Expiry dateAug 20, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/72406
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A mobile phone receives a program and identification information of a trusted application for the program, specifies data to be used in executing the program, generates a type of object by selecting either an imperfect encapsulated object or a perfect encapsulated object to be generated on the basis of the identification information of a trusted application, and uses the data by using only the generated object when the program is executed.

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