ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,109, issued on Nov. 25, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).
"MEMS sound generation for aerosol-generating devices and related user interfaces and methods" was invented by Stefan Lauenstein (Neuchatel, Switzerland) and Michel Bessant (Neuchatel, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A MEMS sound generator may be used to produce high-fidelity sound for an aerosol-generating device. The MEMS sound generator may compress air to produce sound using a plurality of drivers at a plurality of frequencies. The sound may emulate the sound of one or more conventional uses of smoking materials, emulate a mas...