Voice telephony system
US6760415B2 · kind B2 · utility
37Cited by
3References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 2000 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | Nov 2, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/47
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A voice telephony system integrates voice telephony technology with television programming via a visual interface for a telephony device operating in a speakerphone mode. The visual interface indicates a status of the telephony device to a user, and is displayed by a video processing device connected to the television.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.