Image projection apparatus
US7182472B2 · kind B2 · utility
23Cited by
58References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2003 |
| Grant date | Feb 27, 2007 |
| Priority date | — |
| Expiry date | Sep 15, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/022
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image projection apparatus is provided which includes a projector, image source and reflective element. The reflective element is capable of being rotated by a mechanism housed within the reflective element. Light projected from the projector and through the image source is directed to the relective element and reflective onto a surface for viewing. The rotation of the reflective element creates reflected images which move in a desired direction across the viewing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.