ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,395, issued on Jan. 27, was assigned to Dragerwerk AG & Co. KGaA (Lubeck, Germany).

"Illumination device and illumination process with limitation of maximum irradiance" was invented by Hanno Kretschmann (Lubeck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination device and process illuminate a surface of an object. The device includes plural illumination units and a signal processing control unit. Each illumination unit illuminates the surface with a maximum irradiance, wherein the device illuminates the surface with a maximum total irradiance that depends on the maximum irradiances of the illumination units. The device captures ...