ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,313, issued on May 19, was assigned to Schneider Electric Industries SAS (Rueil-Malmaison, France).
"Light guide and associated electrical device" was invented by Thomas Bianchi (Grenoble, France), Shreenath Narayanan (Kerala, India) and Youssef Yousfi (Puymoyen, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The light guide (110) includes a body (120) having a substantially plane exit surface (112) and an entrance surface (122) configured to capture an incident light flux (F106) emitted by a light-emitting diode (106). The entrance surface (122) includes a central face (124) astride a median plane (M120) and, on each side of the median plane ...