ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,524,116, issued on Jan. 13, was assigned to FlatFrog Laboratories AB (Lund, Sweden).
"Detection line broadening" was invented by Hakan Bergstrom (Torna-Hallestad, Sweden), Thomas Craven-Bartle (Sodra Sandby, Sweden) and Tomas Svensson (Limhamn, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A touch sensing apparatus is disclosed comprising a panel that defines a touch surface, a plurality of emitters and detectors arranged along a perimeter of the light transmissive panel, and a light directing arrangement arranged adjacent the perimeter. The emitters are arranged to emit a respective beam of emitted light and the light directing arrangement is a...