ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,515, issued on Oct. 14, was assigned to LEDVANCE GmbH (Garching Bei Munchen, Germany).
"Lighting device with expandable functionality" was invented by Alexander Niggebaum (Munich) and Krister Bergenek (Regensburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A main unit of a lighting device with expandable functionality. The main unit includes at least one light source, driver electronics, and a housing with an at least partially light-permeable housing wall. The main unit further includes a coupling element for forming a wireless coupling interface to an extension unit, wherein the coupling element is located within the housing and is des...