Time-of-light-based systems using reduced illumination duty cycles
US10712432B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2014 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Aug 5, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/894
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Time-of-flight (TOF) based systems using light pulse compression are described and, in some cases, can help increase demodulation contrast. Further, light pulse shaping techniques are described that, in some cases, can help reduce phase non-linearity and distance-calculation errors. The techniques can be used, for example, in measurement systems, as well as imaging systems in which a time-of-flight and/or distance information is obtained. The time-of-flight and/or distance information can be used to reconstruct and display a three-dimensional image of a scene. The light compression techniques also can be used to provide reference signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.