ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,630, issued on Nov. 4, was assigned to FlatFrog Laboratories AB (Lund, Sweden).

"Touch-sensing apparatus" was invented by David Andersson (Malmo, Sweden) and Mattias Krus (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A touch sensing apparatus is disclosed for detecting touch pressure, comprising a panel that defines a touch surface, the panel having a perimeter, a plurality of emitters arranged along the perimeter, wherein the emitters emit light across the panel, a plurality of detectors arranged along the perimeter, whereby the detectors are arranged to receive at least part of said light as detection light, wherein the touch sensing...