ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,925, issued on April 1, was assigned to UnitX Inc. (Santa Clara, Calif.).
"Multi-channel LED current control circuit" was invented by Yen-Chia Chu (San Jose, Calif.) and Boyun Wang (Santa Clara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an example embodiment, the controller is designed with a single current sensing circuit that is able to measure the current on multiple LED channels, eliminating the need for each LED channel to have its own current sensing circuit. The current sensing circuit may further be utilized with a control unit, which has an LED control model selection multiplexor (MUX) that switches between real-time closed-l...