Patent · US Expired

Systems and methods for exchanging data and audio between cellular telephones and landline telephones

US7363045B2 · kind B2 · utility

16Cited by

4References

20Claims

0Family size

Assignee

VTECH TELECOMMUNICATIONS LIMITED · CN

Inventors

Gary Rogalski
Sukhdeep Singh Hundal · Surrey, CA
Holger Janssen · Hessisch Oldendorf, DE

Key dates

Filing date	Jul 17, 2003
Grant date	Apr 22, 2008
Priority date	—
Expiry date	Mar 4, 2024

Classification

Technology area (CPC H)Electricity
CPC primaryH04M2250/02
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

Systems and methods for wireless communications between a cellular telephone and a landline telephone. A system includes a cellular telephone in communication with a cordless telephone base station. The cordless telephone base station includes a BLUETOOTH radio transceiver, and the cellular telephone includes a BLUETOOTH radio transceiver, so that the cellular telephone can communicate with the base station using BLUETOOTH communications. The cordless telephone base station includes a cordless radio transceiver, and a cordless handset that includes a cordless radio transceivers. The cordless handset can communicate with the cordless telephone base station using cordless radio frequency communications. The BLUETOOTH radio transceiver and the cordless radio transceiver of the cordless telephone base station are coupled so that the cordless handsets can communicate with the cellular telephone.

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