Projection unit and method of controlling a first light source and a second light source
US8740395B2 · kind B2 · utility
1Cited by
16References
37Claims
0Family size
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Key dates
| Filing date | Apr 1, 2011 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jun 1, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0425
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projection unit comprises a first light source outputting light that is used to project an image during normal projection unit use, and a second light source outputting light of a different intensity that is used to project an image outside of normal projection unit use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.