Projector alignment method and user interface
US7241016B2 · kind B2 · utility
0Cited by
14References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2004 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Jul 13, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3194
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for indicating required movement of a projector relative to a display surface, wherein the projector has an auto-focusing range, the method comprising; measuring the distance between the projector and the display surface, determining, from the measured distance and the auto focusing range, a required movement of the projector relative to the display surface, and providing feedback to indicate the required movement of the projector relative to the display surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.