Laser diode collimator and a pattern projecting device using same
US10838217B2 · kind B2 · utility
0Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 2017 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Sep 13, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/007
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical collimating unit is provided that comprises a laser unit, and a lens having three optical surfaces, being a first refractive surface, a second reflective surface and a third refractive surface. Also provided is a light projection device comprising an optical collimating unit that comprises a laser unit, a lens and an optical component configured to shape laser beams being emitted into respective desired light patterns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.