US Patent:
20200408374, Dec 31, 2020
Inventors:
- Shelton CT, US
Jonathan Erik Bowers - Greenville SC, US
Steven Dominic Fernandes - Spartanburg SC, US
Robert Papstein - Greenville SC, US
International Classification:
F21S 9/02
H02J 7/00
H05B 47/20
H05B 47/29
H02J 9/02
H02J 9/06
Abstract:
An emergency lighting device includes a housing, a light emitter positioned in the housing, a control circuit positioned in the housing and operatively connected to the light emitter, an indicator light positioned in the housing, and a fault indicator circuit positioned in the housing and operatively connected to the indicator light. The fault indicator circuit is configured to monitor the light emitter, analyze activation of the light emitter, and activate the indicator light based on the analysis of the activation of the light emitter.