Compensation for laser light source misalignment in a multiple laser scanning TOF sensor system
US11092679B2 · kind B2 · utility
1Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2018 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Oct 15, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB81B2201/042
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Laser light pulses of at least two different wavelengths are reflected off a scanning mirror. A first time-of-flight distance measurement circuit receives reflected light pulses of a first wavelength and determines distances. A second time-of-flight distance measurement circuit receives reflected light pulses of a second wavelength and determines distances. The timing of transmission of laser light pulses of differing wavelengths are adjusted, and the data buffering of converted return pulses are adjusted, to compensate for laser light source misalignment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.