Beacons for optical location and tracking
US12081264B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2022 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Nov 22, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/60
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A free space optical (FSO) transmitter emits multiple, orthogonally encoded, beacons having a known pattern of spatial overlap. A receiver includes a sensor and a computing system. The sensor senses the overlapping optical beacons and produces an output signal indicative of an optical power of the overlapping optical beacons. The computing system separates the output signal into components from the different beacons according to the orthogonal encoding of the beacons. Based on strengths of the components and on the known pattern of spatial overlap, the computing system may determine at least one of: (1) a position of the receiver relative to the transmitter, (2) a position of the receiver in the beacon pattern, or (3) an orientation of the receiver relative to the transmitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.