Projection system with safety detection
US9677945B2 · kind B2 · utility
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1References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2013 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Sep 5, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/141
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projection system is disclosed including a safety detection system for a protected space, said projection system including a projection light source, a projection imaging system, a projection lens system, a detection source comprising at least of a detection light source and a detection camera comprising at least of a detection sensor, characterized by the fact that the optical axis of the projection source is identical to the optical axis of the detection source and the detection camera at least in the protected space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.