Multi-beam measuring device
US12339360B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2020 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Mar 9, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/931
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An absolute distance measuring method and device including a transmission unit having a laser array comprising multiple measurement laser emitters arranged along a laser array axis and a receiver unit having at least one receiver array comprising multiple measurement receivers arranged along a receiver array axis for measuring of an absolute distance based on a respective detected transmission beam and the principle of time-of-flight. The laser array comprises at least a first reference laser emitter and the receiver array comprises at least a first reference receiver. The reference laser emitter and reference receiver define an internal absolute distance reference beam path for calibration of the device with respect to said measuring of absolute distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.