Method for time of flight modulation frequency detection and illumination modulation frequency adjustment
US9823340B2 · kind B2 · utility
1Cited by
2References
3Claims
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Key dates
| Filing date | Dec 4, 2012 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Feb 17, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C15/002
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method removing adjecent frequency interference from a Time Of Flight sensor system by adaptively adjusting the transmitted infrared illumination frequency of the TOF sensor by measuring the interfering infrared illuminating frequencies and dynamicaly adjusting the transmitted illuminating infrared frequency of the TOF sensor to eliminate the interference.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.