The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 2023
Filed:
Jun. 09, 2021
Applicant:
Whelen Engineering Company Inc., Chester, CT (US);
Inventors:
Caleb Garrett, Essex, CT (US);
Dave Sousa, Ivoryton, CT (US);
Assignee:
WHELEN ENGINEERING COMPANY, INC., Chester, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 45/40 (2020.01); B60Q 1/52 (2006.01); H05B 45/10 (2020.01); H05B 45/325 (2020.01); H05B 47/11 (2020.01);
U.S. Cl.
CPC ...
H05B 45/40 (2020.01); B60Q 1/52 (2013.01); H05B 45/10 (2020.01); H05B 45/325 (2020.01); H05B 47/11 (2020.01);
Abstract
A system, method and storage medium for providing an emergency lighting includes generating, by a controller, a driving control signal; receiving, by a light source, the driving control signal; and emitting, by the light source, light based on the driving control signal. Intensity of the light emitted from the light source repeatedly ramps up and ramps down with a first period based on the driving control signal.