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:
Apr. 03, 2018
Filed:
Mar. 20, 2015
Applicant:
Goodrich Lighting Systems Gmbh, Lippstadt, DE;
Inventors:
Andre Hessling Von Heimendahl, Koblenz, DE;
Robert Trinschek, Hamm, DE;
Siegfried Schmees, Geseke, DE;
Assignee:
GOODRICH LIGHTING SYSTEMS GMBH, Lippstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 1/00 (2006.01); B60Q 3/02 (2006.01); G08B 29/12 (2006.01); H02J 9/00 (2006.01); B60Q 3/80 (2017.01);
U.S. Cl.
CPC ...
B60Q 3/0293 (2013.01); B60Q 3/80 (2017.02); G08B 29/12 (2013.01); H02J 9/00 (2013.01);
Abstract
A self-checking emergency light unit includes a power input terminal coupleable to an external power supply for receiving power therefrom, an illumination circuit coupled to the power input terminal, a discharge circuit coupled to the emergency power source, and an operational check module coupled to the emergency power source.