Patent · US Expired

Method of and apparatus wherein a telephone user on hold is not required to listen to an objectionable audio signal

US7136479B2 · kind B2 · utility

5Cited by

6References

20Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Srinivas Gutta · Buchanan, US
Miroslav Trajkovic · Ossining, US
Vasanth Philomin · Stolberg, DE

Key dates

Filing date	Jun 19, 2002
Grant date	Nov 14, 2006
Priority date	—
Expiry date	Aug 17, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH04M3/428
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A telephone user who is at a first telephone station and is placed on hold at a second station is prevented from listening to an objectionable audio signal while a call is in process between the user and the second telephone station. The objectionable audio signal is detected while the call is in process and the user is prevented from hearing the objectionable audio signal while the objectionable audio signal is being detected. In response to detection of the end of the objectionable audio signal, the user is coupled to the second telephone station.

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