ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,909, issued on June 16, was assigned to Apple Inc. (Cupertino, Calif.).
"Pixelated mutual capacitance sensing for water detection" was invented by William Paul (San Francisco) and Christoph H. Krah (Cupertino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pixelated mutual capacitance sensing configuration to detect the presence of floating water is disclosed. An integrated touch screen can be configured in a checkerboard arrangement of alternating drive pixels and sense pixels, where each drive or sense pixel can include a plurality of sub-pixels. The sense pixels can include sense sub-pixels surrounded by ground sub-pixels to reduce the b...