Patent · US Active

Transformer voltage detection in dimmable lighting systems

US9220145B2 · kind B2 · utility

3Cited by
6References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 5, 2014
Grant dateDec 22, 2015
Priority date
Expiry dateNov 5, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B47/14
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An illumination system detects a peak value of a voltage of a transformer supplying an LED module by analyzing the current value of the voltage and an on-time of the voltage. Based on the detected peak value, a property of the illumination system is adjusted.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.