Whiteboard display
US9411433B2 · kind B2 · utility
0Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2014 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Aug 15, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/041
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method includes receiving an image of a display surface from a pointing device having a camera with a field of view wider than a tip of the pointing device, processing the received image to identify an area on the display surface within the field of view of the camera, and identifying a position of the tip of the pointing device on the display surface as a function of the identified area on the display surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.