System and method of videotelephony with detection of a visual token in the videotelephony image for electronic control of the field of view
US8237769B2 · kind B2 · utility
7Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2007 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Jun 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/142
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A videotelephony system has an electronically controllable camera with a field of view, a visual token disposed within the field of view, and a camera controller. The camera controller is configured to detect the visual token and reconfigure the field of view relative to a detected position of the visual token.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.