ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,591, issued on Aug. 26.
"Electronic devices having moisture-insensitive optical touch sensors" was invented by Mohammad Yeke Yazdandoost (San Francisco) and Christoph H. Krah (Cupertino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may have a touch sensitive display that is insensitive to the presence of moisture. An array of pixels in the display may be used to display images. A display cover layer may overlap the array of pixels. A light source may illuminate an external object such as a finger of a user when the object contacts a surface of the display cover layer. This creates scattered light that may be detected by...