Ceiling-based LED auditorium pathway lighting apparatus
US10222012B2 · kind B2 · utility
2Cited by
11References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2017 |
| Grant date | Mar 5, 2019 |
| Priority date | — |
| Expiry date | Apr 5, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Auditorium pathways, such as vertical and horizontal aisle ways, are illuminated by light fixtures located above the pathways, the light fixtures comprising a plurality of LEDs whose light is focused into a light beam of a width selected to illuminate the pathway. In one embodiment, the light beam is configured such that it may be disposed between a plurality of patrons and a stage or screen to illuminate a pathway while remaining invisible to the patrons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.