ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,449, issued on Dec. 23, was assigned to Sonion Nederland B.V. (Hoofddorp, Netherlands).

"Amplifier for a dual backplate MEMS microphone" was invented by Adrianus Maria Lafort (Hoofddorp, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "An amplifier for a dual backplate MEMS microphone comprising at least a first source follower which has a gate for connection to a first backplate of the dual backplate MEMS microphone, and a load circuit connected to a source of the first source follower which provides an output signal of the filter, which filter comprises a second source follower connected to a second backplate of the dual backplate MEMS m...