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:
Mar. 13, 2018
Filed:
Nov. 20, 2015
General Electric Company, Schenectady, NY (US);
Yehuda Daniel Levy, Lod, IL;
GENERAL ELECTRIC COMPANY, Schenectady, NY (US);
Abstract
Provided is a backup power system for providing power to a load when a primary lighting system is disabled. The backup power system includes an energy source configured to supply an amount of power to the backup power system, and a charger connectable to the energy source and a power source of the primary lighting system. The backup power system additionally includes a controller configured to measure a current value of the primary lighting system and determine a backup current value corresponding to an amount of backup current that is a fractional amount of the determined current value. The backup power system include a current source configured to provide the determined backup current.