Retrofit light emitting diode, LED, tube for enabling step dimming in a multilamp luminaire lighting system
US10638564B2 · kind B2 · utility
1Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2017 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Sep 18, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A retrofit Light Emitting Diode, LED, tube to be used in a multi lamp luminaire system is presented, which LED tube comprises a controllable switch circuit arranged to short circuit the LED array of the LED tube such that the LED array does not emit light and such that the current path in the multi lamp luminaire system is not interrupted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.