Video-telephony system
US6839079B2 · kind B2 · utility
91Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2002 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Oct 31, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/142
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video-telephony system comprising a plurality of cameras, each capable of generating a video signal; a plurality of display units which are able to receive video signals from the cameras via a wireless link; a plurality of telephones which are able to communicate with each other; means for identifying a camera convenient for a user of a first one of the telephones; and means for transmitting a video signal generated by the camera to a display unit convenient for a user of a second one of the telephones engaged in a call with the first one of the telephones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.