Retroreflectors providing information encoded in reflected non-visible laser while retaining visible light safety properties
US10145993B1 · kind B1 · utility
6Cited by
10References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2018 |
| Grant date | Dec 4, 2018 |
| Priority date | — |
| Expiry date | Jan 4, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/931
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Described are retroreflective marker devices, which encode information that can be read by optical sensors, such as LiDAR devices, and that do not detract from human safety. Also described are kits for retrofitting existing markers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.