ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,774, issued on April 14, was assigned to INVENSENSE INC. (San Jose, Calif.).

"Low noise readout interface for capacitive sensors with negative capacitance" was invented by Stefano Valle (Milan) and Tomasz E. Hanzlik (Szczecin, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed embodiments provide a self-contained topology that enables a significant noise reduction of capacitive sensor readout interfaces. For example, various embodiments can provide low noise capacitive sensor readout interfaces or analog front ends having a main buffer amplifier in a bootstrap configuration, wherein a bootstrap loop configuration comprises a negative c...