ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,515, issued on June 23, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).
"Protection circuit for multi-channel LED luminaire" was invented by Yuhong Fang (Naperville, Ill.) and Bernd Clauberg (Shaumberg, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protection circuit for a multi-channel LED luminaire is provided. Each LED channel is powered by a single power supply circuit via a supply signal. In one aspect, a total error circuit compares the total current flowing through each LED channel to a total current limit, and triggers the power supply circuit to adjust the supply signal based on the comparison. This adjustment results...