Voice interface board for use in an operator system
US5487102A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1992 |
| Grant date | Jan 23, 1996 |
| Priority date | — |
| Expiry date | Dec 10, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/002
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In an operator system for providing services to subscribers in a public telephone network, a circuit board for controlling audio characteristics of audio signals in the public telephone network. The circuit board comprises an interface for receiving the audio signal from the public telephone network, an audio characteristics control circuit coupled to the interface for receiving the audio signal, adjusting the audio characteristics of the audio signal and for recording and generating voice messages to be transmitted to the public telephone network via the interface and a headset interface coupled to the audio characteristics control circuit for receiving the adjusted audio signal and providing an interface to at least two headsets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.