Range sensing and safety system for a luminaire
US12328802B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2024 |
| Grant date | Jun 10, 2025 |
| Priority date | — |
| Expiry date | Aug 12, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An automated luminaire and method are provided. The automated luminaire includes a range sensing module and a control system. The range sensing module calculates a distance to a closest object in a direction that the automated luminaire is pointed. The control system reduces a beam power density of a light beam emitted from the automated luminaire when the distance is less than a threshold distance. The method includes determining whether an emitted beam power determinant of the automated luminaire has changed; if so, calculating a threshold distance from current values of one or more beam power determinants; determining whether the distance to the closest object is greater than the threshold distance; and, if not, reducing the beam power density of the light beam emitted from the automated luminaire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.