Lamp changing system for an image projection lighting device
US8061858B2 · kind B2 · utility
14Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2008 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Oct 21, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/145
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image projection lighting device including a base housing, a yoke, a lamp housing, and a video projector located inside the lamp housing, is disclosed. The video projector includes a video projector housing. The video projector housing can be moved into a first position and a second position in relation to the lamp housing. The first position is a video projector operating position in which the video projector cannot be serviced. The video projector can be serviced in the second position. A projector lamp cannot be accessed in the first position but can be accessed in the second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.