Patent · US Active

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 dateSep 18, 2017
Grant dateApr 28, 2020
Priority date
Expiry dateSep 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.