Automatic display update of still frame images for videoconferencing
US5990931A · kind A · utility
43Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1997 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Apr 9, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/147
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus to be used for videoconferencing when the presentation is to include displays of documents or other visuals. A camera is focused on the document and detects when the document is being handled by the presenter. It automatically determines when to initially display the document, as well as when to update frames of data representing the document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.