Scanning laser time of flight 3D imaging
US9684075B2 · kind B2 · utility
3Cited by
4References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 27, 2011 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Jul 29, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/89
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Laser light pulses are reflected off a scanning mirror. A time-of-flight distance measurement device receives reflected light pulses and determines distances. The light pulses have abrupt changes in amplitude. Reflected pulses are differentiated to reduce sensitivity to amplitude variations. Differentiated pulses may be compressed to keep the receiver from saturating. Distance measurements are combined with location information to produce a 3D image of a surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.