ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,081, issued on Dec. 9, was assigned to QUALCOMM Inc. (San Diego).
"Acoustic sensors with refractive microlens" was invented by Jessica Liu Strohmann (Cupertino, Calif.), Yipeng Lu (Moraga, Calif.), Hung-Jen Wang (New Taipei, Taiwan) and Shaojui Li (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic sensors with one or more microlens structures, as well as methods for fabricating and operating such acoustic sensor systems are disclosed. In some embodiments, an apparatus may include: an acoustic sensing element; a display stack; a first layer of material having a first acoustic refractive index and one or more microlens structures ...