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:
Aug. 12, 2025
Filed:
Mar. 25, 2022
Signify Holding B.v., Eindhoven, NL;
Raymond George Janik, Fayetteville, GA (US);
Melisa Altamirano-Ruelas, Denver, CO (US);
Russell Scott Trask, Sharpsburg, GA (US);
Abstract
A light fade controller includes an input power detection circuit configured to detect whether an input power is available. The light fade controller further includes a power discharge circuit configured to enable a power discharge path to discharge output power from a driver circuit through the power discharge path in response to the input power detection circuit detecting that the input power is unavailable. The power discharge circuit is also configured to adjust a rate of power discharge through the power discharge path, and the power discharge circuit either: a) includes a switch () that is controlled by a pulse width modulation (PWM) control signal to enable and disable the power discharge path and to adjust the rate of power discharge through the power discharge path, wherein a pulse width of the PWM signal is adjusted to enable and disable the power discharge path and to adjust the rate of power discharge through the power discharge path; or b) is configured to adjust the rate of power discharge based on a user input provided to the power discharge circuit.