ALEXANDRIA, Va., July 30 -- United States Patent no. 12,373,059, issued on July 29, was assigned to Synaptics Inc. (San Jose, Calif.).
"Multi-frequency simultaneous absolute capacitance touch sensing" was invented by Guozhong Shen (Fremont, Calif.), Chunbo Liu (San Jose, Calif.) and Jonathan Ku (Campbell, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensing circuit configured to detect an input object proximate to a sensing region of an input device is provided. The sensing circuit includes an amplifier having an output and is configured to output a resulting signal. The sensing circuit also includes a plurality of mixers configured to receive the resulting signal from the output of the amplifier ...