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:
Sep. 01, 2026
Filed:
May. 22, 2024
Abl Ip Holding, Llc, Atlanta, GA (US);
ABL IP Holding, LLC, Atlanta, GA (US);
Abstract
The present disclosure provides an emergency lighting system that includes battery charging circuitry to charge a rechargeable battery based on available AC power; and emergency power level control circuitry configured to detect a power outage of the AC power and determine an available output capacity (ACP) of the battery based on a normalized output capacity of the battery; the emergency power level control circuitry is further configured to determine a lighting protocol to deliver a foldback power level of the emergency power level control circuitry, the lighting protocol being based on determining if ACP is less than a selected value; wherein the foldback power having a first power level Preduced, where Preduced is less than FRP, delivered for a first time period, a second ramped down power level delivered for a ramp down time period tramp, and a third minimum power level Pmin delivered for a third time period.