Patent · US Expired

Master-slave processor for dual mode mobile telephone

US7292557B2 · kind B2 · utility

2Cited by

3References

19Claims

0Family size

Assignee

Siemens Communications, Inc. · US

Inventors

Thomas Neumann · Munich, DE
Bodo Zeug · Beijing, CN

Key dates

Filing date	Mar 8, 2002
Grant date	Nov 6, 2007
Priority date	—
Expiry date	Jul 4, 2024

Classification

Technology area (CPC H)Electricity
CPC primaryH04M1/724
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A wireless telephone includes first and second baseband processors. The first baseband processor (GSM) functions as system master, and the second processor (TDMA) functions as system slave. The first baseband processor interfaces to system controls, such as power supply, man-machine interface (MMI), and the like.

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