ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,707,540, issued on Aug. 11, was assigned to Rohm Co. Ltd. (Kyoto, Japan).

"Light-emitting element drive device, light emission control device, and light emission device" was invented by Akira Aoki (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element drive device includes, for example, a current sense amplifier configured to generate a current detection signal corresponding to a difference between a sense voltage corresponding to an inductor current (and thus an output current) supplied to a light-emitting element and a predetermined current setting signal (e.g., an offset voltage corresponding to a set current), an error...