ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,311, issued on Dec. 9, was assigned to QUALCOMM Inc. (San Diego).
"Actuator driver" was invented by Shivaprakash Halagur (Singapore), Joseph Dale Rutkowski (Chandler, Ariz.), Liangguo Shen (San Diego), Nathaniel Jay T. Salazar (San Diego) and Milind Sawant (Morgan Hill, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an aspect, an actuator driver includes a first digital adder configured to output an adjusted control signal based on combining an input control signal and a filtered difference signal, a digital pulse width modulation (PWM) generator configured to convert the adjusted control signal to one or more PWM signals, and an H-bridge a...