Projector device
US7654697B2 · kind B2 · utility
3Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2006 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Mar 30, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/006
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal projector device of the present invention includes a lamp unit and a lamp cooling fan, the lamp unit having disposed therein a columnar lamp bulb having a luminous body enclosed therein, the lamp unit having a side wall opposed to the lamp cooling fan and provided with a first and second air introduction openings at opposite sides of a plane including a central axis of the lamp bulb and perpendicular to the side wall, for introducing the air drawn from the lamp cooling fan toward the lamp bulb.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.