ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,040, issued on Nov. 18, was assigned to ROBE lighting s.r.o. (Roznov pod Radhostem, Czech Republic).
"Lens for an ingress protected stage luminaire" was invented by Jan Vilem (Valasske Mezirici, Czech Republic), Tomas David (Podoli, Czech Republic), Tomas Micunek (Roznov pod Radhostem, Czech Republic) and Josef Valchar (Prostredni Becva, Czech Republic).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens assembly and luminaire are provided. The luminaire includes a head comprising the lens assembly, where the lens assembly includes a lens holder, a Fresnel lens, and a homogenizing lens. The Fresnel lens is physically coupled to the lens holder and ...