ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,874, issued on Aug. 25, was assigned to Dwellwell Analytics Inc. (Bethesda, Md.).
"Analog front-end circuitry for ultrasound signal processing" was invented by Cynthia E Cantrell (Hagerstown, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In example embodiments, an apparatus includes a microphone, an emitter follower stage having an input coupled to the microphone, and an amplifier stage coupled to an output of the emitter follower stage. The amplifier stage is powered by a positive voltage regulator and a negative voltage regulator. In some embodiments, the microphone and the emitter follower stage are both referenced to a ground connection and...