Patent · US Expired

Auxiliary safety light system

US7218214B2 · kind B2 · utility

14Cited by
27References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 2004
Grant dateMay 15, 2007
Priority date
Expiry dateFeb 6, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Q2900/30
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A safety lighting system comprising an H-field backscatter generator adapted to receive at least one electrical signal indicating the application of electrical power to at least one light circuit and comprising means for encoding and transmitting at least one encoded signal; a magnetic coupling receiver located separately from the H-field backscatter generator and adapted to receive the first encoded signal; and a light display electrically connected to the magnetic coupling receiver, the light display comprising at least one illuminatable lamp.

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