ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,687, issued on July 28, was assigned to QUALCOMM Inc. (San Diego).

"Piezoelectric accelerometer with wake function" was invented by Robert J. Littrell (Milton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor device that senses proper acceleration. The sensor device includes a substrate, a spacer layer supported over a first surface of the substrate, at least a first cantilever beam element having a base and a tip, the base attached to the spacer layer, and which is supported over and spaced from the substrate by the spacer layer. The at least first cantilever beam element further including at least a first layer comprised of a piezoele...