Projection apparatus and method
US8172400B2 · kind B2 · utility
8Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2006 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Nov 8, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/395
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Projection apparatuses and methods are provided. A representative apparatus includes: a first projection device arranged to generate a virtual three-dimensional image; a second projection device arranged to project a background image; and a light source arranged to project light onto the virtual three-dimensional image, the frequency of the projected light corresponding to the light frequency of the background image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.