Patent · US Expired

Mobile phone with expanded telephone directory

US7747282B1 · kind B1 · utility

3Cited by

4References

7Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Volker Deichmann · Hildesheim, DE
Joerg-Michael Hasemann · Thedinghausen, DE
Marc Pietriga · Waldbronn, DE
Holger Schulz · Frankfurt, DE
Georg Soffel · Auenwald, DE

Key dates

Filing date	Jun 21, 2000
Grant date	Jun 29, 2010
Priority date	—
Expiry date	Apr 15, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH04M2250/14
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A mobile phone with an expanded telephone directory, wherein any electronic telephone directory of the mobile phone is supplemented by, in each case, one data base located in the nonvolatile memory of the mobile phone, each data base being assigned to precisely one specific telephone directory. The data base assigned to a telephone directory is preferably an expansion telephone directory, and a number of the expansion telephone directories can be assigned to each telephone directory.

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