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. 09, 2020
Filed:
Feb. 27, 2018
Applicant:
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Inventor:
Erik John Oltheten, Fort Worth, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2020.01); B64D 45/00 (2006.01); H05B 45/00 (2020.01); H05B 45/37 (2020.01); H05B 45/395 (2020.01); B64D 47/02 (2006.01); G02B 5/02 (2006.01); G09F 13/22 (2006.01); H01G 11/00 (2013.01);
U.S. Cl.
CPC ...
B64D 45/0015 (2013.01); B64D 45/00 (2013.01); B64D 47/02 (2013.01); G02B 5/0284 (2013.01); G09F 13/22 (2013.01); H01G 11/00 (2013.01); H05B 45/00 (2020.01); H05B 45/37 (2020.01); H05B 45/395 (2020.01); B64D 2045/007 (2013.01); B64D 2203/00 (2013.01); G09F 2013/222 (2013.01); Y02B 20/343 (2013.01);
Abstract
An emergency lighting system (ELS) for an aircraft has a capacitor, at least one of an onboard power system and a ground power unit configured to charge the capacitor, and a light emitting diode (LED) selectively powered by the capacitor.