Interface tube with stepped configuration
US7033029B2 · kind B2 · utility
0Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2004 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Jun 2, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V2200/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An interface tube is provided for an image display device. In one embodiment, an interface tube having an inside surface and a center region where the at least a portion of the inside surface includes light-disbursing elements. The light-disbursing elements may be configured to direct a substantial portion of reflected light away from the center region to prevent center region from exceeding a specified temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.