Patent · US Expired

Backlighting for electrical cover plates

US7270436B2 · kind B2 · utility

53Cited by
9References
17Claims
0Family size

Inventor

Key dates

Filing dateFeb 7, 2003
Grant dateSep 18, 2007
Priority date
Expiry dateApr 7, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2219/018
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A cover plate (5) for use with an electrical supply. In one embodiment, the backlit cover plate comprises a plate (5), the plate (5) including a window (15) therein; and backlighting, the backlighting powered by the electrical supply (55), the backlighting (20) disposed to be mounted on the plate (5) so as to shine through the window (15). Optional labels (45) may be provided through which the backlighting may shine, thereby illuminating data on the labels (45) from behind. In a disclosed embodiment, the backlighting (20) comprises electroluminescent lighting.

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